git.oblomov.eu Git - wine/blob - dlls/rsaenh/rsaenh.c

   1 /*
   2  * dlls/rsaenh/rsaenh.c
   3  * RSAENH - RSA encryption for Wine
   4  *
   5  * Copyright 2002 TransGaming Technologies (David Hammerton)
   6  * Copyright 2004 Mike McCormack for CodeWeavers
   7  * Copyright 2004, 2005 Michael Jung
   8  * Copyright 2007 Vijay Kiran Kamuju
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27 #include "wine/library.h"
  28 #include "wine/debug.h"
  29
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winreg.h"
  36 #include "wincrypt.h"
  37 #include "handle.h"
  38 #include "implglue.h"
  39 #include "objbase.h"
  40 #include "rpcproxy.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
  43
  44 static HINSTANCE instance;
  45
  46 /******************************************************************************
  47  * CRYPTHASH - hash objects
  48  */
  49 #define RSAENH_MAGIC_HASH           0x85938417u
  50 #define RSAENH_MAX_HASH_SIZE        104
  51 #define RSAENH_HASHSTATE_HASHING    1
  52 #define RSAENH_HASHSTATE_FINISHED   2
  53 typedef struct _RSAENH_TLS1PRF_PARAMS
  54 {
  55     CRYPT_DATA_BLOB blobLabel;
  56     CRYPT_DATA_BLOB blobSeed;
  57 } RSAENH_TLS1PRF_PARAMS;
  58
  59 typedef struct tagCRYPTHASH
  60 {
  61     OBJECTHDR    header;
  62     ALG_ID       aiAlgid;
  63     HCRYPTKEY    hKey;
  64     HCRYPTPROV   hProv;
  65     DWORD        dwHashSize;
  66     DWORD        dwState;
  67     HASH_CONTEXT context;
  68     BYTE         abHashValue[RSAENH_MAX_HASH_SIZE];
  69     PHMAC_INFO   pHMACInfo;
  70     RSAENH_TLS1PRF_PARAMS tpPRFParams;
  71 } CRYPTHASH;
  72
  73 /******************************************************************************
  74  * CRYPTKEY - key objects
  75  */
  76 #define RSAENH_MAGIC_KEY           0x73620457u
  77 #define RSAENH_MAX_KEY_SIZE        64
  78 #define RSAENH_MAX_BLOCK_SIZE      24
  79 #define RSAENH_KEYSTATE_IDLE       0
  80 #define RSAENH_KEYSTATE_ENCRYPTING 1
  81 #define RSAENH_KEYSTATE_MASTERKEY  2
  82 typedef struct _RSAENH_SCHANNEL_INFO
  83 {
  84     SCHANNEL_ALG saEncAlg;
  85     SCHANNEL_ALG saMACAlg;
  86     CRYPT_DATA_BLOB blobClientRandom;
  87     CRYPT_DATA_BLOB blobServerRandom;
  88 } RSAENH_SCHANNEL_INFO;
  89
  90 typedef struct tagCRYPTKEY
  91 {
  92     OBJECTHDR   header;
  93     ALG_ID      aiAlgid;
  94     HCRYPTPROV  hProv;
  95     DWORD       dwMode;
  96     DWORD       dwModeBits;
  97     DWORD       dwPermissions;
  98     DWORD       dwKeyLen;
  99     DWORD       dwEffectiveKeyLen;
 100     DWORD       dwSaltLen;
 101     DWORD       dwBlockLen;
 102     DWORD       dwState;
 103     KEY_CONTEXT context;
 104     BYTE        abKeyValue[RSAENH_MAX_KEY_SIZE];
 105     BYTE        abInitVector[RSAENH_MAX_BLOCK_SIZE];
 106     BYTE        abChainVector[RSAENH_MAX_BLOCK_SIZE];
 107     RSAENH_SCHANNEL_INFO siSChannelInfo;
 108     CRYPT_DATA_BLOB blobHmacKey;
 109 } CRYPTKEY;
 110
 111 /******************************************************************************
 112  * KEYCONTAINER - key containers
 113  */
 114 #define RSAENH_PERSONALITY_BASE        0u
 115 #define RSAENH_PERSONALITY_STRONG      1u
 116 #define RSAENH_PERSONALITY_ENHANCED    2u
 117 #define RSAENH_PERSONALITY_SCHANNEL    3u
 118 #define RSAENH_PERSONALITY_AES         4u
 119
 120 #define RSAENH_MAGIC_CONTAINER         0x26384993u
 121 typedef struct tagKEYCONTAINER
 122 {
 123     OBJECTHDR    header;
 124     DWORD        dwFlags;
 125     DWORD        dwPersonality;
 126     DWORD        dwEnumAlgsCtr;
 127     DWORD        dwEnumContainersCtr;
 128     CHAR         szName[MAX_PATH];
 129     CHAR         szProvName[MAX_PATH];
 130     HCRYPTKEY    hKeyExchangeKeyPair;
 131     HCRYPTKEY    hSignatureKeyPair;
 132 } KEYCONTAINER;
 133
 134 /******************************************************************************
 135  * Some magic constants
 136  */
 137 #define RSAENH_ENCRYPT                    1
 138 #define RSAENH_DECRYPT                    0
 139 #define RSAENH_HMAC_DEF_IPAD_CHAR      0x36
 140 #define RSAENH_HMAC_DEF_OPAD_CHAR      0x5c
 141 #define RSAENH_HMAC_DEF_PAD_LEN          64
 142 #define RSAENH_HMAC_BLOCK_LEN            64
 143 #define RSAENH_DES_EFFECTIVE_KEYLEN      56
 144 #define RSAENH_DES_STORAGE_KEYLEN        64
 145 #define RSAENH_3DES112_EFFECTIVE_KEYLEN 112
 146 #define RSAENH_3DES112_STORAGE_KEYLEN   128
 147 #define RSAENH_3DES_EFFECTIVE_KEYLEN    168
 148 #define RSAENH_3DES_STORAGE_KEYLEN      192
 149 #define RSAENH_MAGIC_RSA2        0x32415352
 150 #define RSAENH_MAGIC_RSA1        0x31415352
 151 #define RSAENH_PKC_BLOCKTYPE           0x02
 152 #define RSAENH_SSL3_VERSION_MAJOR         3
 153 #define RSAENH_SSL3_VERSION_MINOR         0
 154 #define RSAENH_TLS1_VERSION_MAJOR         3
 155 #define RSAENH_TLS1_VERSION_MINOR         1
 156 #define RSAENH_REGKEY "Software\\Wine\\Crypto\\RSA\\%s"
 157
 158 #define RSAENH_MIN(a,b) ((a)<(b)?(a):(b))
 159 /******************************************************************************
 160  * aProvEnumAlgsEx - Defines the capabilities of the CSP personalities.
 161  */
 162 #define RSAENH_MAX_ENUMALGS 24
 163 #define RSAENH_PCT1_SSL2_SSL3_TLS1 (CRYPT_FLAG_PCT1|CRYPT_FLAG_SSL2|CRYPT_FLAG_SSL3|CRYPT_FLAG_TLS1)
 164 static const PROV_ENUMALGS_EX aProvEnumAlgsEx[5][RSAENH_MAX_ENUMALGS+1] =
 165 {
 166  {
 167   {CALG_RC2,       40, 40,   56,0,                    4,"RC2",     24,"RSA Data Security's RC2"},
 168   {CALG_RC4,       40, 40,   56,0,                    4,"RC4",     24,"RSA Data Security's RC4"},
 169   {CALG_DES,       56, 56,   56,0,                    4,"DES",     31,"Data Encryption Standard (DES)"},
 170   {CALG_SHA,      160,160,  160,CRYPT_FLAG_SIGNING,   6,"SHA-1",   30,"Secure Hash Algorithm (SHA-1)"},
 171   {CALG_MD2,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD2",     23,"Message Digest 2 (MD2)"},
 172   {CALG_MD4,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD4",     23,"Message Digest 4 (MD4)"},
 173   {CALG_MD5,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD5",     23,"Message Digest 5 (MD5)"},
 174   {CALG_SSL3_SHAMD5,288,288,288,0,                   12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
 175   {CALG_MAC,        0,  0,    0,0,                    4,"MAC",     28,"Message Authentication Code"},
 176   {CALG_RSA_SIGN, 512,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
 177   {CALG_RSA_KEYX, 512,384, 1024,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
 178   {CALG_HMAC,       0,  0,    0,0,                    5,"HMAC",    18,"Hugo's MAC (HMAC)"},
 179   {0,               0,  0,    0,0,                    1,"",         1,""}
 180  },
 181  {
 182   {CALG_RC2,      128, 40,  128,0,                    4,"RC2",     24,"RSA Data Security's RC2"},
 183   {CALG_RC4,      128, 40,  128,0,                    4,"RC4",     24,"RSA Data Security's RC4"},
 184   {CALG_DES,       56, 56,   56,0,                    4,"DES",     31,"Data Encryption Standard (DES)"},
 185   {CALG_3DES_112, 112,112,  112,0,                   13,"3DES TWO KEY",19,"Two Key Triple DES"},
 186   {CALG_3DES,     168,168,  168,0,                    5,"3DES",    21,"Three Key Triple DES"},
 187   {CALG_SHA,      160,160,  160,CRYPT_FLAG_SIGNING,   6,"SHA-1",   30,"Secure Hash Algorithm (SHA-1)"},
 188   {CALG_MD2,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD2",     23,"Message Digest 2 (MD2)"},
 189   {CALG_MD4,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD4",     23,"Message Digest 4 (MD4)"},
 190   {CALG_MD5,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD5",     23,"Message Digest 5 (MD5)"},
 191   {CALG_SSL3_SHAMD5,288,288,288,0,                   12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
 192   {CALG_MAC,        0,  0,    0,0,                    4,"MAC",     28,"Message Authentication Code"},
 193   {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
 194   {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
 195   {CALG_HMAC,       0,  0,    0,0,                    5,"HMAC",    18,"Hugo's MAC (HMAC)"},
 196   {0,               0,  0,    0,0,                    1,"",         1,""}
 197  },
 198  {
 199   {CALG_RC2,      128, 40,  128,0,                    4,"RC2",     24,"RSA Data Security's RC2"},
 200   {CALG_RC4,      128, 40,  128,0,                    4,"RC4",     24,"RSA Data Security's RC4"},
 201   {CALG_DES,       56, 56,   56,0,                    4,"DES",     31,"Data Encryption Standard (DES)"},
 202   {CALG_3DES_112, 112,112,  112,0,                   13,"3DES TWO KEY",19,"Two Key Triple DES"},
 203   {CALG_3DES,     168,168,  168,0,                    5,"3DES",    21,"Three Key Triple DES"},
 204   {CALG_SHA,      160,160,  160,CRYPT_FLAG_SIGNING,   6,"SHA-1",   30,"Secure Hash Algorithm (SHA-1)"},
 205   {CALG_MD2,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD2",     23,"Message Digest 2 (MD2)"},
 206   {CALG_MD4,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD4",     23,"Message Digest 4 (MD4)"},
 207   {CALG_MD5,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD5",     23,"Message Digest 5 (MD5)"},
 208   {CALG_SSL3_SHAMD5,288,288,288,0,                   12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
 209   {CALG_MAC,        0,  0,    0,0,                    4,"MAC",     28,"Message Authentication Code"},
 210   {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
 211   {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
 212   {CALG_HMAC,       0,  0,    0,0,                    5,"HMAC",    18,"Hugo's MAC (HMAC)"},
 213   {0,               0,  0,    0,0,                    1,"",         1,""}
 214  },
 215  {
 216   {CALG_RC2,      128, 40,  128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC2",        24,"RSA Data Security's RC2"},
 217   {CALG_RC4,      128, 40,  128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC4",        24,"RSA Data Security's RC4"},
 218   {CALG_DES,       56, 56,   56,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"DES",        31,"Data Encryption Standard (DES)"},
 219   {CALG_3DES_112, 112,112,  112,RSAENH_PCT1_SSL2_SSL3_TLS1,13,"3DES TWO KEY",19,"Two Key Triple DES"},
 220   {CALG_3DES,     168,168,  168,RSAENH_PCT1_SSL2_SSL3_TLS1, 5,"3DES",       21,"Three Key Triple DES"},
 221   {CALG_SHA,160,160,160,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,6,"SHA-1",30,"Secure Hash Algorithm (SHA-1)"},
 222   {CALG_MD5,128,128,128,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,4,"MD5",23,"Message Digest 5 (MD5)"},
 223   {CALG_SSL3_SHAMD5,288,288,288,0,                         12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
 224   {CALG_MAC,        0,  0,    0,0,                          4,"MAC",        28,"Message Authentication Code"},
 225   {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_SIGN",14,"RSA Signature"},
 226   {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_KEYX",17,"RSA Key Exchange"},
 227   {CALG_HMAC,       0,  0,    0,0,                          5,"HMAC",       18,"Hugo's MAC (HMAC)"},
 228   {CALG_PCT1_MASTER,128,128,128,CRYPT_FLAG_PCT1,           12,"PCT1 MASTER",12,"PCT1 Master"},
 229   {CALG_SSL2_MASTER,40,40,  192,CRYPT_FLAG_SSL2,           12,"SSL2 MASTER",12,"SSL2 Master"},
 230   {CALG_SSL3_MASTER,384,384,384,CRYPT_FLAG_SSL3,           12,"SSL3 MASTER",12,"SSL3 Master"},
 231   {CALG_TLS1_MASTER,384,384,384,CRYPT_FLAG_TLS1,           12,"TLS1 MASTER",12,"TLS1 Master"},
 232   {CALG_SCHANNEL_MASTER_HASH,0,0,-1,0,                     16,"SCH MASTER HASH",21,"SChannel Master Hash"},
 233   {CALG_SCHANNEL_MAC_KEY,0,0,-1,0,                         12,"SCH MAC KEY",17,"SChannel MAC Key"},
 234   {CALG_SCHANNEL_ENC_KEY,0,0,-1,0,                         12,"SCH ENC KEY",24,"SChannel Encryption Key"},
 235   {CALG_TLS1PRF,    0,  0,   -1,0,                          9,"TLS1 PRF",   28,"TLS1 Pseudo Random Function"},
 236   {0,               0,  0,    0,0,                          1,"",            1,""}
 237  },
 238  {
 239   {CALG_RC2,      128, 40,  128,0,                    4,"RC2",     24,"RSA Data Security's RC2"},
 240   {CALG_RC4,      128, 40,  128,0,                    4,"RC4",     24,"RSA Data Security's RC4"},
 241   {CALG_DES,       56, 56,   56,0,                    4,"DES",     31,"Data Encryption Standard (DES)"},
 242   {CALG_3DES_112, 112,112,  112,0,                   13,"3DES TWO KEY",19,"Two Key Triple DES"},
 243   {CALG_3DES,     168,168,  168,0,                    5,"3DES",    21,"Three Key Triple DES"},
 244   {CALG_AES,      128,128,  128,0,                    4,"AES",     35,"Advanced Encryption Standard (AES)"},
 245   {CALG_AES_128,  128,128,  128,0,                    8,"AES-128", 39,"Advanced Encryption Standard (AES-128)"},
 246   {CALG_AES_192,  192,192,  192,0,                    8,"AES-192", 39,"Advanced Encryption Standard (AES-192)"},
 247   {CALG_AES_256,  256,256,  256,0,                    8,"AES-256", 39,"Advanced Encryption Standard (AES-256)"},
 248   {CALG_SHA,      160,160,  160,CRYPT_FLAG_SIGNING,   6,"SHA-1",   30,"Secure Hash Algorithm (SHA-1)"},
 249   {CALG_SHA_256,  256,256,  256,CRYPT_FLAG_SIGNING,   6,"SHA-256", 30,"Secure Hash Algorithm (SHA-256)"},
 250   {CALG_SHA_384,  384,384,  384,CRYPT_FLAG_SIGNING,   6,"SHA-384", 30,"Secure Hash Algorithm (SHA-284)"},
 251   {CALG_SHA_512,  512,512,  512,CRYPT_FLAG_SIGNING,   6,"SHA-512", 30,"Secure Hash Algorithm (SHA-512)"},
 252   {CALG_MD2,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD2",     23,"Message Digest 2 (MD2)"},
 253   {CALG_MD4,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD4",     23,"Message Digest 4 (MD4)"},
 254   {CALG_MD5,      128,128,  128,CRYPT_FLAG_SIGNING,   4,"MD5",     23,"Message Digest 5 (MD5)"},
 255   {CALG_SSL3_SHAMD5,288,288,288,0,                   12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
 256   {CALG_MAC,        0,  0,    0,0,                    4,"MAC",     28,"Message Authentication Code"},
 257   {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
 258   {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
 259   {CALG_HMAC,       0,  0,    0,0,                    5,"HMAC",    18,"Hugo's MAC (HMAC)"},
 260   {0,               0,  0,    0,0,                    1,"",         1,""}
 261  }
 262 };
 263
 264 /******************************************************************************
 265  * API forward declarations
 266  */
 267 BOOL WINAPI
 268 RSAENH_CPGetKeyParam(
 269     HCRYPTPROV hProv,
 270     HCRYPTKEY hKey,
 271     DWORD dwParam,
 272     BYTE *pbData,
 273     DWORD *pdwDataLen,
 274     DWORD dwFlags
 275 );
 276
 277 BOOL WINAPI
 278 RSAENH_CPEncrypt(
 279     HCRYPTPROV hProv,
 280     HCRYPTKEY hKey,
 281     HCRYPTHASH hHash,
 282     BOOL Final,
 283     DWORD dwFlags,
 284     BYTE *pbData,
 285     DWORD *pdwDataLen,
 286     DWORD dwBufLen
 287 );
 288
 289 BOOL WINAPI
 290 RSAENH_CPCreateHash(
 291     HCRYPTPROV hProv,
 292     ALG_ID Algid,
 293     HCRYPTKEY hKey,
 294     DWORD dwFlags,
 295     HCRYPTHASH *phHash
 296 );
 297
 298 BOOL WINAPI
 299 RSAENH_CPSetHashParam(
 300     HCRYPTPROV hProv,
 301     HCRYPTHASH hHash,
 302     DWORD dwParam,
 303     BYTE *pbData, DWORD dwFlags
 304 );
 305
 306 BOOL WINAPI
 307 RSAENH_CPGetHashParam(
 308     HCRYPTPROV hProv,
 309     HCRYPTHASH hHash,
 310     DWORD dwParam,
 311     BYTE *pbData,
 312     DWORD *pdwDataLen,
 313     DWORD dwFlags
 314 );
 315
 316 BOOL WINAPI
 317 RSAENH_CPDestroyHash(
 318     HCRYPTPROV hProv,
 319     HCRYPTHASH hHash
 320 );
 321
 322 static BOOL crypt_export_key(
 323     CRYPTKEY *pCryptKey,
 324     HCRYPTKEY hPubKey,
 325     DWORD dwBlobType,
 326     DWORD dwFlags,
 327     BOOL force,
 328     BYTE *pbData,
 329     DWORD *pdwDataLen
 330 );
 331
 332 static BOOL import_key(
 333     HCRYPTPROV hProv,
 334     CONST BYTE *pbData,
 335     DWORD dwDataLen,
 336     HCRYPTKEY hPubKey,
 337     DWORD dwFlags,
 338     BOOL fStoreKey,
 339     HCRYPTKEY *phKey
 340 );
 341
 342 BOOL WINAPI
 343 RSAENH_CPHashData(
 344     HCRYPTPROV hProv,
 345     HCRYPTHASH hHash,
 346     CONST BYTE *pbData,
 347     DWORD dwDataLen,
 348     DWORD dwFlags
 349 );
 350
 351 /******************************************************************************
 352  * CSP's handle table (used by all acquired key containers)
 353  */
 354 static struct handle_table handle_table;
 355
 356 /******************************************************************************
 357  * DllMain (RSAENH.@)
 358  *
 359  * Initializes and destroys the handle table for the CSP's handles.
 360  */
 361 int WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
 362 {
 363     switch (fdwReason)
 364     {
 365         case DLL_PROCESS_ATTACH:
 366             instance = hInstance;
 367             DisableThreadLibraryCalls(hInstance);
 368             init_handle_table(&handle_table);
 369             break;
 370
 371         case DLL_PROCESS_DETACH:
 372             destroy_handle_table(&handle_table);
 373             break;
 374     }
 375     return 1;
 376 }
 377
 378 /******************************************************************************
 379  * copy_param [Internal]
 380  *
 381  * Helper function that supports the standard WINAPI protocol for querying data
 382  * of dynamic size.
 383  *
 384  * PARAMS
 385  *  pbBuffer      [O]   Buffer where the queried parameter is copied to, if it is large enough.
 386  *                      May be NUL if the required buffer size is to be queried only.
 387  *  pdwBufferSize [I/O] In: Size of the buffer at pbBuffer
 388  *                      Out: Size of parameter pbParam
 389  *  pbParam       [I]   Parameter value.
 390  *  dwParamSize   [I]   Size of pbParam
 391  *
 392  * RETURN
 393  *  Success: TRUE (pbParam was copied into pbBuffer or pbBuffer is NULL)
 394  *  Failure: FALSE (pbBuffer is not large enough to hold pbParam). Last error: ERROR_MORE_DATA
 395  */
 396 static inline BOOL copy_param(
 397     BYTE *pbBuffer, DWORD *pdwBufferSize, CONST BYTE *pbParam, DWORD dwParamSize)
 398 {
 399     if (pbBuffer)
 400     {
 401         if (dwParamSize > *pdwBufferSize)
 402         {
 403             SetLastError(ERROR_MORE_DATA);
 404             *pdwBufferSize = dwParamSize;
 405             return FALSE;
 406         }
 407         memcpy(pbBuffer, pbParam, dwParamSize);
 408     }
 409     *pdwBufferSize = dwParamSize;
 410     return TRUE;
 411 }
 412
 413 /******************************************************************************
 414  * get_algid_info [Internal]
 415  *
 416  * Query CSP capabilities for a given crypto algorithm.
 417  *
 418  * PARAMS
 419  *  hProv [I] Handle to a key container of the CSP whose capabilities are to be queried.
 420  *  algid [I] Identifier of the crypto algorithm about which information is requested.
 421  *
 422  * RETURNS
 423  *  Success: Pointer to a PROV_ENUMALGS_EX struct containing information about the crypto algorithm.
 424  *  Failure: NULL (algid not supported)
 425  */
 426 static inline const PROV_ENUMALGS_EX* get_algid_info(HCRYPTPROV hProv, ALG_ID algid) {
 427     const PROV_ENUMALGS_EX *iterator;
 428     KEYCONTAINER *pKeyContainer;
 429
 430     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
 431         SetLastError(NTE_BAD_UID);
 432         return NULL;
 433     }
 434
 435     for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
 436         if (iterator->aiAlgid == algid) return iterator;
 437     }
 438
 439     SetLastError(NTE_BAD_ALGID);
 440     return NULL;
 441 }
 442
 443 /******************************************************************************
 444  * copy_data_blob [Internal]
 445  *
 446  * deeply copies a DATA_BLOB
 447  *
 448  * PARAMS
 449  *  dst [O] That's where the blob will be copied to
 450  *  src [I] Source blob
 451  *
 452  * RETURNS
 453  *  Success: TRUE
 454  *  Failure: FALSE (GetLastError() == NTE_NO_MEMORY
 455  *
 456  * NOTES
 457  *  Use free_data_blob to release resources occupied by copy_data_blob.
 458  */
 459 static inline BOOL copy_data_blob(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src) {
 460     dst->pbData = HeapAlloc(GetProcessHeap(), 0, src->cbData);
 461     if (!dst->pbData) {
 462         SetLastError(NTE_NO_MEMORY);
 463         return FALSE;
 464     }
 465     dst->cbData = src->cbData;
 466     memcpy(dst->pbData, src->pbData, src->cbData);
 467     return TRUE;
 468 }
 469
 470 /******************************************************************************
 471  * concat_data_blobs [Internal]
 472  *
 473  * Concatenates two blobs
 474  *
 475  * PARAMS
 476  *  dst  [O] The new blob will be copied here
 477  *  src1 [I] Prefix blob
 478  *  src2 [I] Appendix blob
 479  *
 480  * RETURNS
 481  *  Success: TRUE
 482  *  Failure: FALSE (GetLastError() == NTE_NO_MEMORY)
 483  *
 484  * NOTES
 485  *  Release resources occupied by concat_data_blobs with free_data_blobs
 486  */
 487 static inline BOOL concat_data_blobs(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src1,
 488                                      CONST PCRYPT_DATA_BLOB src2)
 489 {
 490     dst->cbData = src1->cbData + src2->cbData;
 491     dst->pbData = HeapAlloc(GetProcessHeap(), 0, dst->cbData);
 492     if (!dst->pbData) {
 493         SetLastError(NTE_NO_MEMORY);
 494         return FALSE;
 495     }
 496     memcpy(dst->pbData, src1->pbData, src1->cbData);
 497     memcpy(dst->pbData + src1->cbData, src2->pbData, src2->cbData);
 498     return TRUE;
 499 }
 500
 501 /******************************************************************************
 502  * free_data_blob [Internal]
 503  *
 504  * releases resource occupied by a dynamically allocated CRYPT_DATA_BLOB
 505  *
 506  * PARAMS
 507  *  pBlob [I] Heap space occupied by pBlob->pbData is released
 508  */
 509 static inline void free_data_blob(PCRYPT_DATA_BLOB pBlob) {
 510     HeapFree(GetProcessHeap(), 0, pBlob->pbData);
 511 }
 512
 513 /******************************************************************************
 514  * init_data_blob [Internal]
 515  */
 516 static inline void init_data_blob(PCRYPT_DATA_BLOB pBlob) {
 517     pBlob->pbData = NULL;
 518     pBlob->cbData = 0;
 519 }
 520
 521 /******************************************************************************
 522  * free_hmac_info [Internal]
 523  *
 524  * Deeply free an HMAC_INFO struct.
 525  *
 526  * PARAMS
 527  *  hmac_info [I] Pointer to the HMAC_INFO struct to be freed.
 528  *
 529  * NOTES
 530  *  See Internet RFC 2104 for details on the HMAC algorithm.
 531  */
 532 static inline void free_hmac_info(PHMAC_INFO hmac_info) {
 533     if (!hmac_info) return;
 534     HeapFree(GetProcessHeap(), 0, hmac_info->pbInnerString);
 535     HeapFree(GetProcessHeap(), 0, hmac_info->pbOuterString);
 536     HeapFree(GetProcessHeap(), 0, hmac_info);
 537 }
 538
 539 /******************************************************************************
 540  * copy_hmac_info [Internal]
 541  *
 542  * Deeply copy an HMAC_INFO struct
 543  *
 544  * PARAMS
 545  *  dst [O] Pointer to a location where the pointer to the HMAC_INFO copy will be stored.
 546  *  src [I] Pointer to the HMAC_INFO struct to be copied.
 547  *
 548  * RETURNS
 549  *  Success: TRUE
 550  *  Failure: FALSE
 551  *
 552  * NOTES
 553  *  See Internet RFC 2104 for details on the HMAC algorithm.
 554  */
 555 static BOOL copy_hmac_info(PHMAC_INFO *dst, const HMAC_INFO *src) {
 556     if (!src) return FALSE;
 557     *dst = HeapAlloc(GetProcessHeap(), 0, sizeof(HMAC_INFO));
 558     if (!*dst) return FALSE;
 559     **dst = *src;
 560     (*dst)->pbInnerString = NULL;
 561     (*dst)->pbOuterString = NULL;
 562     if ((*dst)->cbInnerString == 0) (*dst)->cbInnerString = RSAENH_HMAC_DEF_PAD_LEN;
 563     (*dst)->pbInnerString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbInnerString);
 564     if (!(*dst)->pbInnerString) {
 565         free_hmac_info(*dst);
 566         return FALSE;
 567     }
 568     if (src->cbInnerString)
 569         memcpy((*dst)->pbInnerString, src->pbInnerString, src->cbInnerString);
 570     else
 571         memset((*dst)->pbInnerString, RSAENH_HMAC_DEF_IPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
 572     if ((*dst)->cbOuterString == 0) (*dst)->cbOuterString = RSAENH_HMAC_DEF_PAD_LEN;
 573     (*dst)->pbOuterString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbOuterString);
 574     if (!(*dst)->pbOuterString) {
 575         free_hmac_info(*dst);
 576         return FALSE;
 577     }
 578     if (src->cbOuterString)
 579         memcpy((*dst)->pbOuterString, src->pbOuterString, src->cbOuterString);
 580     else
 581         memset((*dst)->pbOuterString, RSAENH_HMAC_DEF_OPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
 582     return TRUE;
 583 }
 584
 585 /******************************************************************************
 586  * destroy_hash [Internal]
 587  *
 588  * Destructor for hash objects
 589  *
 590  * PARAMS
 591  *  pCryptHash [I] Pointer to the hash object to be destroyed.
 592  *                 Will be invalid after function returns!
 593  */
 594 static void destroy_hash(OBJECTHDR *pObject)
 595 {
 596     CRYPTHASH *pCryptHash = (CRYPTHASH*)pObject;
 597
 598     free_hmac_info(pCryptHash->pHMACInfo);
 599     free_data_blob(&pCryptHash->tpPRFParams.blobLabel);
 600     free_data_blob(&pCryptHash->tpPRFParams.blobSeed);
 601     HeapFree(GetProcessHeap(), 0, pCryptHash);
 602 }
 603
 604 /******************************************************************************
 605  * init_hash [Internal]
 606  *
 607  * Initialize (or reset) a hash object
 608  *
 609  * PARAMS
 610  *  pCryptHash    [I] The hash object to be initialized.
 611  */
 612 static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
 613     DWORD dwLen;
 614
 615     switch (pCryptHash->aiAlgid)
 616     {
 617         case CALG_HMAC:
 618             if (pCryptHash->pHMACInfo) {
 619                 const PROV_ENUMALGS_EX *pAlgInfo;
 620
 621                 pAlgInfo = get_algid_info(pCryptHash->hProv, pCryptHash->pHMACInfo->HashAlgid);
 622                 if (!pAlgInfo) return FALSE;
 623                 pCryptHash->dwHashSize = pAlgInfo->dwDefaultLen >> 3;
 624                 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
 625                 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 626                                  pCryptHash->pHMACInfo->pbInnerString,
 627                                  pCryptHash->pHMACInfo->cbInnerString);
 628             }
 629             return TRUE;
 630
 631         case CALG_MAC:
 632             dwLen = sizeof(DWORD);
 633             RSAENH_CPGetKeyParam(pCryptHash->hProv, pCryptHash->hKey, KP_BLOCKLEN,
 634                                  (BYTE*)&pCryptHash->dwHashSize, &dwLen, 0);
 635             pCryptHash->dwHashSize >>= 3;
 636             return TRUE;
 637
 638         default:
 639             return init_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context);
 640     }
 641 }
 642
 643 /******************************************************************************
 644  * update_hash [Internal]
 645  *
 646  * Hashes the given data and updates the hash object's state accordingly
 647  *
 648  * PARAMS
 649  *  pCryptHash [I] Hash object to be updated.
 650  *  pbData     [I] Pointer to data stream to be hashed.
 651  *  dwDataLen  [I] Length of data stream.
 652  */
 653 static inline void update_hash(CRYPTHASH *pCryptHash, CONST BYTE *pbData, DWORD dwDataLen) {
 654     BYTE *pbTemp;
 655
 656     switch (pCryptHash->aiAlgid)
 657     {
 658         case CALG_HMAC:
 659             if (pCryptHash->pHMACInfo)
 660                 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 661                                  pbData, dwDataLen);
 662             break;
 663
 664         case CALG_MAC:
 665             pbTemp = HeapAlloc(GetProcessHeap(), 0, dwDataLen);
 666             if (!pbTemp) return;
 667             memcpy(pbTemp, pbData, dwDataLen);
 668             RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, 0, FALSE, 0,
 669                              pbTemp, &dwDataLen, dwDataLen);
 670             HeapFree(GetProcessHeap(), 0, pbTemp);
 671             break;
 672
 673         default:
 674             update_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pbData, dwDataLen);
 675     }
 676 }
 677
 678 /******************************************************************************
 679  * finalize_hash [Internal]
 680  *
 681  * Finalizes the hash, after all data has been hashed with update_hash.
 682  * No additional data can be hashed afterwards until the hash gets initialized again.
 683  *
 684  * PARAMS
 685  *  pCryptHash [I] Hash object to be finalized.
 686  */
 687 static inline void finalize_hash(CRYPTHASH *pCryptHash) {
 688     DWORD dwDataLen;
 689
 690     switch (pCryptHash->aiAlgid)
 691     {
 692         case CALG_HMAC:
 693             if (pCryptHash->pHMACInfo) {
 694                 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
 695
 696                 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 697                                    pCryptHash->abHashValue);
 698                 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
 699                 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
 700                 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 701                                  pCryptHash->pHMACInfo->pbOuterString,
 702                                  pCryptHash->pHMACInfo->cbOuterString);
 703                 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 704                                  abHashValue, pCryptHash->dwHashSize);
 705                 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
 706                                    pCryptHash->abHashValue);
 707             }
 708             break;
 709
 710         case CALG_MAC:
 711             dwDataLen = 0;
 712             RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, 0, TRUE, 0,
 713                              pCryptHash->abHashValue, &dwDataLen, pCryptHash->dwHashSize);
 714             break;
 715
 716         default:
 717             finalize_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pCryptHash->abHashValue);
 718     }
 719 }
 720
 721 /******************************************************************************
 722  * destroy_key [Internal]
 723  *
 724  * Destructor for key objects
 725  *
 726  * PARAMS
 727  *  pCryptKey [I] Pointer to the key object to be destroyed.
 728  *                Will be invalid after function returns!
 729  */
 730 static void destroy_key(OBJECTHDR *pObject)
 731 {
 732     CRYPTKEY *pCryptKey = (CRYPTKEY*)pObject;
 733
 734     free_key_impl(pCryptKey->aiAlgid, &pCryptKey->context);
 735     free_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
 736     free_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
 737     free_data_blob(&pCryptKey->blobHmacKey);
 738     HeapFree(GetProcessHeap(), 0, pCryptKey);
 739 }
 740
 741 /******************************************************************************
 742  * setup_key [Internal]
 743  *
 744  * Initialize (or reset) a key object
 745  *
 746  * PARAMS
 747  *  pCryptKey    [I] The key object to be initialized.
 748  */
 749 static inline void setup_key(CRYPTKEY *pCryptKey) {
 750     pCryptKey->dwState = RSAENH_KEYSTATE_IDLE;
 751     memcpy(pCryptKey->abChainVector, pCryptKey->abInitVector, sizeof(pCryptKey->abChainVector));
 752     setup_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen,
 753                    pCryptKey->dwEffectiveKeyLen, pCryptKey->dwSaltLen,
 754                    pCryptKey->abKeyValue);
 755 }
 756
 757 /******************************************************************************
 758  * new_key [Internal]
 759  *
 760  * Creates a new key object without assigning the actual binary key value.
 761  * This is done by CPDeriveKey, CPGenKey or CPImportKey, which call this function.
 762  *
 763  * PARAMS
 764  *  hProv      [I] Handle to the provider to which the created key will belong.
 765  *  aiAlgid    [I] The new key shall use the crypto algorithm identified by aiAlgid.
 766  *  dwFlags    [I] Upper 16 bits give the key length.
 767  *                 Lower 16 bits: CRYPT_EXPORTABLE, CRYPT_CREATE_SALT,
 768  *                 CRYPT_NO_SALT
 769  *  ppCryptKey [O] Pointer to the created key
 770  *
 771  * RETURNS
 772  *  Success: Handle to the created key.
 773  *  Failure: INVALID_HANDLE_VALUE
 774  */
 775 static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey)
 776 {
 777     HCRYPTKEY hCryptKey;
 778     CRYPTKEY *pCryptKey;
 779     DWORD dwKeyLen = HIWORD(dwFlags);
 780     const PROV_ENUMALGS_EX *peaAlgidInfo;
 781
 782     *ppCryptKey = NULL;
 783
 784     /*
 785      * Retrieve the CSP's capabilities for the given ALG_ID value
 786      */
 787     peaAlgidInfo = get_algid_info(hProv, aiAlgid);
 788     if (!peaAlgidInfo) return (HCRYPTKEY)INVALID_HANDLE_VALUE;
 789
 790     TRACE("alg = %s, dwKeyLen = %d\n", debugstr_a(peaAlgidInfo->szName),
 791           dwKeyLen);
 792     /*
 793      * Assume the default key length, if none is specified explicitly
 794      */
 795     if (dwKeyLen == 0) dwKeyLen = peaAlgidInfo->dwDefaultLen;
 796
 797     /*
 798      * Check if the requested key length is supported by the current CSP.
 799      * Adjust key length's for DES algorithms.
 800      */
 801     switch (aiAlgid) {
 802         case CALG_DES:
 803             if (dwKeyLen == RSAENH_DES_EFFECTIVE_KEYLEN) {
 804                 dwKeyLen = RSAENH_DES_STORAGE_KEYLEN;
 805             }
 806             if (dwKeyLen != RSAENH_DES_STORAGE_KEYLEN) {
 807                 SetLastError(NTE_BAD_FLAGS);
 808                 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
 809             }
 810             break;
 811
 812         case CALG_3DES_112:
 813             if (dwKeyLen == RSAENH_3DES112_EFFECTIVE_KEYLEN) {
 814                 dwKeyLen = RSAENH_3DES112_STORAGE_KEYLEN;
 815             }
 816             if (dwKeyLen != RSAENH_3DES112_STORAGE_KEYLEN) {
 817                 SetLastError(NTE_BAD_FLAGS);
 818                 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
 819             }
 820             break;
 821
 822         case CALG_3DES:
 823             if (dwKeyLen == RSAENH_3DES_EFFECTIVE_KEYLEN) {
 824                 dwKeyLen = RSAENH_3DES_STORAGE_KEYLEN;
 825             }
 826             if (dwKeyLen != RSAENH_3DES_STORAGE_KEYLEN) {
 827                 SetLastError(NTE_BAD_FLAGS);
 828                 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
 829             }
 830             break;
 831
 832         case CALG_HMAC:
 833             /* Avoid the key length check for HMAC keys, which have unlimited
 834              * length.
 835              */
 836             break;
 837
 838         default:
 839             if (dwKeyLen % 8 ||
 840                 dwKeyLen > peaAlgidInfo->dwMaxLen ||
 841                 dwKeyLen < peaAlgidInfo->dwMinLen)
 842             {
 843                 TRACE("key len %d out of bounds (%d, %d)\n", dwKeyLen,
 844                       peaAlgidInfo->dwMinLen, peaAlgidInfo->dwMaxLen);
 845                 SetLastError(NTE_BAD_DATA);
 846                 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
 847             }
 848     }
 849
 850     hCryptKey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY,
 851                            destroy_key, (OBJECTHDR**)&pCryptKey);
 852     if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
 853     {
 854         pCryptKey->aiAlgid = aiAlgid;
 855         pCryptKey->hProv = hProv;
 856         pCryptKey->dwModeBits = 0;
 857         pCryptKey->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE |
 858                                    CRYPT_MAC;
 859         if (dwFlags & CRYPT_EXPORTABLE)
 860             pCryptKey->dwPermissions |= CRYPT_EXPORT;
 861         pCryptKey->dwKeyLen = dwKeyLen >> 3;
 862         pCryptKey->dwEffectiveKeyLen = 0;
 863         if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
 864             pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen;
 865         else
 866             pCryptKey->dwSaltLen = 0;
 867         memset(pCryptKey->abKeyValue, 0, sizeof(pCryptKey->abKeyValue));
 868         memset(pCryptKey->abInitVector, 0, sizeof(pCryptKey->abInitVector));
 869         memset(&pCryptKey->siSChannelInfo.saEncAlg, 0, sizeof(pCryptKey->siSChannelInfo.saEncAlg));
 870         memset(&pCryptKey->siSChannelInfo.saMACAlg, 0, sizeof(pCryptKey->siSChannelInfo.saMACAlg));
 871         init_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
 872         init_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
 873         init_data_blob(&pCryptKey->blobHmacKey);
 874
 875         switch(aiAlgid)
 876         {
 877             case CALG_PCT1_MASTER:
 878             case CALG_SSL2_MASTER:
 879             case CALG_SSL3_MASTER:
 880             case CALG_TLS1_MASTER:
 881             case CALG_RC4:
 882                 pCryptKey->dwBlockLen = 0;
 883                 pCryptKey->dwMode = 0;
 884                 break;
 885
 886             case CALG_RC2:
 887             case CALG_DES:
 888             case CALG_3DES_112:
 889             case CALG_3DES:
 890                 pCryptKey->dwBlockLen = 8;
 891                 pCryptKey->dwMode = CRYPT_MODE_CBC;
 892                 break;
 893
 894             case CALG_AES:
 895             case CALG_AES_128:
 896             case CALG_AES_192:
 897             case CALG_AES_256:
 898                 pCryptKey->dwBlockLen = 16;
 899                 pCryptKey->dwMode = CRYPT_MODE_ECB;
 900                 break;
 901
 902             case CALG_RSA_KEYX:
 903             case CALG_RSA_SIGN:
 904                 pCryptKey->dwBlockLen = dwKeyLen >> 3;
 905                 pCryptKey->dwMode = 0;
 906                 break;
 907
 908             case CALG_HMAC:
 909                 pCryptKey->dwBlockLen = 0;
 910                 pCryptKey->dwMode = 0;
 911                 break;
 912         }
 913
 914         *ppCryptKey = pCryptKey;
 915     }
 916
 917     return hCryptKey;
 918 }
 919
 920 /******************************************************************************
 921  * map_key_spec_to_key_pair_name [Internal]
 922  *
 923  * Returns the name of the registry value associated with a key spec.
 924  *
 925  * PARAMS
 926  *  dwKeySpec     [I] AT_KEYEXCHANGE or AT_SIGNATURE
 927  *
 928  * RETURNS
 929  *  Success: Name of registry value.
 930  *  Failure: NULL
 931  */
 932 static LPCSTR map_key_spec_to_key_pair_name(DWORD dwKeySpec)
 933 {
 934     LPCSTR szValueName;
 935
 936     switch (dwKeySpec)
 937     {
 938     case AT_KEYEXCHANGE:
 939         szValueName = "KeyExchangeKeyPair";
 940         break;
 941     case AT_SIGNATURE:
 942         szValueName = "SignatureKeyPair";
 943         break;
 944     default:
 945         WARN("invalid key spec %d\n", dwKeySpec);
 946         szValueName = NULL;
 947     }
 948     return szValueName;
 949 }
 950
 951 /******************************************************************************
 952  * store_key_pair [Internal]
 953  *
 954  * Stores a key pair to the registry
 955  *
 956  * PARAMS
 957  *  hCryptKey     [I] Handle to the key to be stored
 958  *  hKey          [I] Registry key where the key pair is to be stored
 959  *  dwKeySpec     [I] AT_KEYEXCHANGE or AT_SIGNATURE
 960  *  dwFlags       [I] Flags for protecting the key
 961  */
 962 static void store_key_pair(HCRYPTKEY hCryptKey, HKEY hKey, DWORD dwKeySpec, DWORD dwFlags)
 963 {
 964     LPCSTR szValueName;
 965     DATA_BLOB blobIn, blobOut;
 966     CRYPTKEY *pKey;
 967     DWORD dwLen;
 968     BYTE *pbKey;
 969
 970     if (!(szValueName = map_key_spec_to_key_pair_name(dwKeySpec)))
 971         return;
 972     if (lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
 973                       (OBJECTHDR**)&pKey))
 974     {
 975         if (crypt_export_key(pKey, 0, PRIVATEKEYBLOB, 0, TRUE, 0, &dwLen))
 976         {
 977             pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
 978             if (pbKey)
 979             {
 980                 if (crypt_export_key(pKey, 0, PRIVATEKEYBLOB, 0, TRUE, pbKey,
 981                     &dwLen))
 982                 {
 983                     blobIn.pbData = pbKey;
 984                     blobIn.cbData = dwLen;
 985
 986                     if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
 987                         dwFlags, &blobOut))
 988                     {
 989                         RegSetValueExA(hKey, szValueName, 0, REG_BINARY,
 990                                        blobOut.pbData, blobOut.cbData);
 991                         LocalFree(blobOut.pbData);
 992                     }
 993                 }
 994                 HeapFree(GetProcessHeap(), 0, pbKey);
 995             }
 996         }
 997     }
 998 }
 999
1000 /******************************************************************************
1001  * map_key_spec_to_permissions_name [Internal]
1002  *
1003  * Returns the name of the registry value associated with the permissions for
1004  * a key spec.
1005  *
1006  * PARAMS
1007  *  dwKeySpec     [I] AT_KEYEXCHANGE or AT_SIGNATURE
1008  *
1009  * RETURNS
1010  *  Success: Name of registry value.
1011  *  Failure: NULL
1012  */
1013 static LPCSTR map_key_spec_to_permissions_name(DWORD dwKeySpec)
1014 {
1015     LPCSTR szValueName;
1016
1017     switch (dwKeySpec)
1018     {
1019     case AT_KEYEXCHANGE:
1020         szValueName = "KeyExchangePermissions";
1021         break;
1022     case AT_SIGNATURE:
1023         szValueName = "SignaturePermissions";
1024         break;
1025     default:
1026         WARN("invalid key spec %d\n", dwKeySpec);
1027         szValueName = NULL;
1028     }
1029     return szValueName;
1030 }
1031
1032 /******************************************************************************
1033  * store_key_permissions [Internal]
1034  *
1035  * Stores a key's permissions to the registry
1036  *
1037  * PARAMS
1038  *  hCryptKey     [I] Handle to the key whose permissions are to be stored
1039  *  hKey          [I] Registry key where the key permissions are to be stored
1040  *  dwKeySpec     [I] AT_KEYEXCHANGE or AT_SIGNATURE
1041  */
1042 static void store_key_permissions(HCRYPTKEY hCryptKey, HKEY hKey, DWORD dwKeySpec)
1043 {
1044     LPCSTR szValueName;
1045     CRYPTKEY *pKey;
1046
1047     if (!(szValueName = map_key_spec_to_permissions_name(dwKeySpec)))
1048         return;
1049     if (lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
1050                       (OBJECTHDR**)&pKey))
1051         RegSetValueExA(hKey, szValueName, 0, REG_DWORD,
1052                        (BYTE *)&pKey->dwPermissions,
1053                        sizeof(pKey->dwPermissions));
1054 }
1055
1056 /******************************************************************************
1057  * create_container_key [Internal]
1058  *
1059  * Creates the registry key for a key container's persistent storage.
1060  *
1061  * PARAMS
1062  *  pKeyContainer [I] Pointer to the key container
1063  *  sam           [I] Desired registry access
1064  *  phKey         [O] Returned key
1065  */
1066 static BOOL create_container_key(KEYCONTAINER *pKeyContainer, REGSAM sam, HKEY *phKey)
1067 {
1068     CHAR szRSABase[MAX_PATH];
1069     HKEY hRootKey;
1070
1071     sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
1072
1073     if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET)
1074         hRootKey = HKEY_LOCAL_MACHINE;
1075     else
1076         hRootKey = HKEY_CURRENT_USER;
1077
1078     /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1079     /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1080     return RegCreateKeyExA(hRootKey, szRSABase, 0, NULL,
1081                            REG_OPTION_NON_VOLATILE, sam, NULL, phKey, NULL)
1082                            == ERROR_SUCCESS;
1083 }
1084
1085 /******************************************************************************
1086  * open_container_key [Internal]
1087  *
1088  * Opens a key container's persistent storage for reading.
1089  *
1090  * PARAMS
1091  *  pszContainerName [I] Name of the container to be opened.  May be the empty
1092  *                       string if the parent key of all containers is to be
1093  *                       opened.
1094  *  dwFlags          [I] Flags indicating which keyset to be opened.
1095  *  phKey            [O] Returned key
1096  */
1097 static BOOL open_container_key(LPCSTR pszContainerName, DWORD dwFlags, HKEY *phKey)
1098 {
1099     CHAR szRSABase[MAX_PATH];
1100     HKEY hRootKey;
1101
1102     sprintf(szRSABase, RSAENH_REGKEY, pszContainerName);
1103
1104     if (dwFlags & CRYPT_MACHINE_KEYSET)
1105         hRootKey = HKEY_LOCAL_MACHINE;
1106     else
1107         hRootKey = HKEY_CURRENT_USER;
1108
1109     /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1110     /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1111     return RegOpenKeyExA(hRootKey, szRSABase, 0, KEY_READ, phKey) ==
1112                          ERROR_SUCCESS;
1113 }
1114
1115 /******************************************************************************
1116  * delete_container_key [Internal]
1117  *
1118  * Deletes a key container's persistent storage.
1119  *
1120  * PARAMS
1121  *  pszContainerName [I] Name of the container to be opened.
1122  *  dwFlags          [I] Flags indicating which keyset to be opened.
1123  */
1124 static BOOL delete_container_key(LPCSTR pszContainerName, DWORD dwFlags)
1125 {
1126     CHAR szRegKey[MAX_PATH];
1127
1128     if (snprintf(szRegKey, MAX_PATH, RSAENH_REGKEY, pszContainerName) >= MAX_PATH) {
1129         SetLastError(NTE_BAD_KEYSET_PARAM);
1130         return FALSE;
1131     } else {
1132         HKEY hRootKey;
1133         if (dwFlags & CRYPT_MACHINE_KEYSET)
1134             hRootKey = HKEY_LOCAL_MACHINE;
1135         else
1136             hRootKey = HKEY_CURRENT_USER;
1137         if (!RegDeleteKeyA(hRootKey, szRegKey)) {
1138             SetLastError(ERROR_SUCCESS);
1139             return TRUE;
1140         } else {
1141             SetLastError(NTE_BAD_KEYSET);
1142             return FALSE;
1143         }
1144     }
1145 }
1146
1147 /******************************************************************************
1148  * store_key_container_keys [Internal]
1149  *
1150  * Stores key container's keys in a persistent location.
1151  *
1152  * PARAMS
1153  *  pKeyContainer [I] Pointer to the key container whose keys are to be saved
1154  */
1155 static void store_key_container_keys(KEYCONTAINER *pKeyContainer)
1156 {
1157     HKEY hKey;
1158     DWORD dwFlags;
1159
1160     /* On WinXP, persistent keys are stored in a file located at:
1161      * $AppData$\\Microsoft\\Crypto\\RSA\\$SID$\\some_hex_string
1162      */
1163
1164     if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET)
1165         dwFlags = CRYPTPROTECT_LOCAL_MACHINE;
1166     else
1167         dwFlags = 0;
1168
1169     if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1170     {
1171         store_key_pair(pKeyContainer->hKeyExchangeKeyPair, hKey,
1172                        AT_KEYEXCHANGE, dwFlags);
1173         store_key_pair(pKeyContainer->hSignatureKeyPair, hKey,
1174                        AT_SIGNATURE, dwFlags);
1175         RegCloseKey(hKey);
1176     }
1177 }
1178
1179 /******************************************************************************
1180  * store_key_container_permissions [Internal]
1181  *
1182  * Stores key container's key permissions in a persistent location.
1183  *
1184  * PARAMS
1185  *  pKeyContainer [I] Pointer to the key container whose key permissions are to
1186  *                    be saved
1187  */
1188 static void store_key_container_permissions(KEYCONTAINER *pKeyContainer)
1189 {
1190     HKEY hKey;
1191
1192     if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1193     {
1194         store_key_permissions(pKeyContainer->hKeyExchangeKeyPair, hKey,
1195                        AT_KEYEXCHANGE);
1196         store_key_permissions(pKeyContainer->hSignatureKeyPair, hKey,
1197                        AT_SIGNATURE);
1198         RegCloseKey(hKey);
1199     }
1200 }
1201
1202 /******************************************************************************
1203  * release_key_container_keys [Internal]
1204  *
1205  * Releases key container's keys.
1206  *
1207  * PARAMS
1208  *  pKeyContainer [I] Pointer to the key container whose keys are to be released.
1209  */
1210 static void release_key_container_keys(KEYCONTAINER *pKeyContainer)
1211 {
1212     release_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair,
1213                    RSAENH_MAGIC_KEY);
1214     release_handle(&handle_table, pKeyContainer->hSignatureKeyPair,
1215                    RSAENH_MAGIC_KEY);
1216 }
1217
1218 /******************************************************************************
1219  * destroy_key_container [Internal]
1220  *
1221  * Destructor for key containers.
1222  *
1223  * PARAMS
1224  *  pObjectHdr [I] Pointer to the key container to be destroyed.
1225  */
1226 static void destroy_key_container(OBJECTHDR *pObjectHdr)
1227 {
1228     KEYCONTAINER *pKeyContainer = (KEYCONTAINER*)pObjectHdr;
1229
1230     if (!(pKeyContainer->dwFlags & CRYPT_VERIFYCONTEXT))
1231     {
1232         store_key_container_keys(pKeyContainer);
1233         store_key_container_permissions(pKeyContainer);
1234         release_key_container_keys(pKeyContainer);
1235     }
1236     else
1237         release_key_container_keys(pKeyContainer);
1238     HeapFree( GetProcessHeap(), 0, pKeyContainer );
1239 }
1240
1241 /******************************************************************************
1242  * new_key_container [Internal]
1243  *
1244  * Create a new key container. The personality (RSA Base, Strong or Enhanced CP)
1245  * of the CSP is determined via the pVTable->pszProvName string.
1246  *
1247  * PARAMS
1248  *  pszContainerName [I] Name of the key container.
1249  *  pVTable          [I] Callback functions and context info provided by the OS
1250  *
1251  * RETURNS
1252  *  Success: Handle to the new key container.
1253  *  Failure: INVALID_HANDLE_VALUE
1254  */
1255 static HCRYPTPROV new_key_container(PCCH pszContainerName, DWORD dwFlags, const VTableProvStruc *pVTable)
1256 {
1257     KEYCONTAINER *pKeyContainer;
1258     HCRYPTPROV hKeyContainer;
1259
1260     hKeyContainer = new_object(&handle_table, sizeof(KEYCONTAINER), RSAENH_MAGIC_CONTAINER,
1261                                destroy_key_container, (OBJECTHDR**)&pKeyContainer);
1262     if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1263     {
1264         lstrcpynA(pKeyContainer->szName, pszContainerName, MAX_PATH);
1265         pKeyContainer->dwFlags = dwFlags;
1266         pKeyContainer->dwEnumAlgsCtr = 0;
1267         pKeyContainer->hKeyExchangeKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1268         pKeyContainer->hSignatureKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1269         if (pVTable && pVTable->pszProvName) {
1270             lstrcpynA(pKeyContainer->szProvName, pVTable->pszProvName, MAX_PATH);
1271             if (!strcmp(pVTable->pszProvName, MS_DEF_PROV_A)) {
1272                 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_BASE;
1273             } else if (!strcmp(pVTable->pszProvName, MS_ENHANCED_PROV_A)) {
1274                 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_ENHANCED;
1275             } else if (!strcmp(pVTable->pszProvName, MS_DEF_RSA_SCHANNEL_PROV_A)) {
1276                 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_SCHANNEL;
1277             } else if (!strcmp(pVTable->pszProvName, MS_ENH_RSA_AES_PROV_A)) {
1278                 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_AES;
1279             } else {
1280                 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_STRONG;
1281             }
1282         }
1283
1284         /* The new key container has to be inserted into the CSP immediately
1285          * after creation to be available for CPGetProvParam's PP_ENUMCONTAINERS. */
1286         if (!(dwFlags & CRYPT_VERIFYCONTEXT)) {
1287             HKEY hKey;
1288
1289             if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1290                 RegCloseKey(hKey);
1291         }
1292     }
1293
1294     return hKeyContainer;
1295 }
1296
1297 /******************************************************************************
1298  * read_key_value [Internal]
1299  *
1300  * Reads a key pair value from the registry
1301  *
1302  * PARAMS
1303  *  hKeyContainer [I] Crypt provider to use to import the key
1304  *  hKey          [I] Registry key from which to read the key pair
1305  *  dwKeySpec     [I] AT_KEYEXCHANGE or AT_SIGNATURE
1306  *  dwFlags       [I] Flags for unprotecting the key
1307  *  phCryptKey    [O] Returned key
1308  */
1309 static BOOL read_key_value(HCRYPTPROV hKeyContainer, HKEY hKey, DWORD dwKeySpec, DWORD dwFlags, HCRYPTKEY *phCryptKey)
1310 {
1311     LPCSTR szValueName;
1312     DWORD dwValueType, dwLen;
1313     BYTE *pbKey;
1314     DATA_BLOB blobIn, blobOut;
1315     BOOL ret = FALSE;
1316
1317     if (!(szValueName = map_key_spec_to_key_pair_name(dwKeySpec)))
1318         return FALSE;
1319     if (RegQueryValueExA(hKey, szValueName, 0, &dwValueType, NULL, &dwLen) ==
1320         ERROR_SUCCESS)
1321     {
1322         pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1323         if (pbKey)
1324         {
1325             if (RegQueryValueExA(hKey, szValueName, 0, &dwValueType, pbKey, &dwLen) ==
1326                 ERROR_SUCCESS)
1327             {
1328                 blobIn.pbData = pbKey;
1329                 blobIn.cbData = dwLen;
1330
1331                 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1332                     dwFlags, &blobOut))
1333                 {
1334                     ret = import_key(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1335                                      FALSE, phCryptKey);
1336                     LocalFree(blobOut.pbData);
1337                 }
1338             }
1339             HeapFree(GetProcessHeap(), 0, pbKey);
1340         }
1341     }
1342     if (ret)
1343     {
1344         CRYPTKEY *pKey;
1345
1346         if (lookup_handle(&handle_table, *phCryptKey, RSAENH_MAGIC_KEY,
1347                           (OBJECTHDR**)&pKey))
1348         {
1349             if ((szValueName = map_key_spec_to_permissions_name(dwKeySpec)))
1350             {
1351                 dwLen = sizeof(pKey->dwPermissions);
1352                 RegQueryValueExA(hKey, szValueName, 0, NULL,
1353                                  (BYTE *)&pKey->dwPermissions, &dwLen);
1354             }
1355         }
1356     }
1357     return ret;
1358 }
1359
1360 /******************************************************************************
1361  * read_key_container [Internal]
1362  *
1363  * Tries to read the persistent state of the key container (mainly the signature
1364  * and key exchange private keys) given by pszContainerName.
1365  *
1366  * PARAMS
1367  *  pszContainerName [I] Name of the key container to read from the registry
1368  *  pVTable          [I] Pointer to context data provided by the operating system
1369  *
1370  * RETURNS
1371  *  Success: Handle to the key container read from the registry
1372  *  Failure: INVALID_HANDLE_VALUE
1373  */
1374 static HCRYPTPROV read_key_container(PCHAR pszContainerName, DWORD dwFlags, const VTableProvStruc *pVTable)
1375 {
1376     HKEY hKey;
1377     KEYCONTAINER *pKeyContainer;
1378     HCRYPTPROV hKeyContainer;
1379     HCRYPTKEY hCryptKey;
1380
1381     if (!open_container_key(pszContainerName, dwFlags, &hKey))
1382     {
1383         SetLastError(NTE_BAD_KEYSET);
1384         return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1385     }
1386
1387     hKeyContainer = new_key_container(pszContainerName, dwFlags, pVTable);
1388     if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1389     {
1390         DWORD dwProtectFlags = (dwFlags & CRYPT_MACHINE_KEYSET) ?
1391             CRYPTPROTECT_LOCAL_MACHINE : 0;
1392
1393         if (!lookup_handle(&handle_table, hKeyContainer, RSAENH_MAGIC_CONTAINER,
1394                            (OBJECTHDR**)&pKeyContainer))
1395             return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1396
1397         /* read_key_value calls import_key, which calls import_private_key,
1398          * which implicitly installs the key value into the appropriate key
1399          * container key.  Thus the ref count is incremented twice, once for
1400          * the output key value, and once for the implicit install, and needs
1401          * to be decremented to balance the two.
1402          */
1403         if (read_key_value(hKeyContainer, hKey, AT_KEYEXCHANGE,
1404             dwProtectFlags, &hCryptKey))
1405             release_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY);
1406         if (read_key_value(hKeyContainer, hKey, AT_SIGNATURE,
1407             dwProtectFlags, &hCryptKey))
1408             release_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY);
1409     }
1410
1411     return hKeyContainer;
1412 }
1413
1414 /******************************************************************************
1415  * build_hash_signature [Internal]
1416  *
1417  * Builds a padded version of a hash to match the length of the RSA key modulus.
1418  *
1419  * PARAMS
1420  *  pbSignature [O] The padded hash object is stored here.
1421  *  dwLen       [I] Length of the pbSignature buffer.
1422  *  aiAlgid     [I] Algorithm identifier of the hash to be padded.
1423  *  abHashValue [I] The value of the hash object.
1424  *  dwHashLen   [I] Length of the hash value.
1425  *  dwFlags     [I] Selection of padding algorithm.
1426  *
1427  * RETURNS
1428  *  Success: TRUE
1429  *  Failure: FALSE (NTE_BAD_ALGID)
1430  */
1431 static BOOL build_hash_signature(BYTE *pbSignature, DWORD dwLen, ALG_ID aiAlgid,
1432                                  CONST BYTE *abHashValue, DWORD dwHashLen, DWORD dwFlags)
1433 {
1434     /* These prefixes are meant to be concatenated with hash values of the
1435      * respective kind to form a PKCS #7 DigestInfo. */
1436     static const struct tagOIDDescriptor {
1437         ALG_ID aiAlgid;
1438         DWORD dwLen;
1439         CONST BYTE abOID[19];
1440     } aOIDDescriptor[] = {
1441         { CALG_MD2, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1442                           0x86, 0xf7, 0x0d, 0x02, 0x02, 0x05, 0x00, 0x04, 0x10 } },
1443         { CALG_MD4, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1444                           0x86, 0xf7, 0x0d, 0x02, 0x04, 0x05, 0x00, 0x04, 0x10 } },
1445         { CALG_MD5, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1446                           0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 } },
1447         { CALG_SHA, 15, { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
1448                           0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 } },
1449         { CALG_SHA_256, 19, { 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1450                               0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1451                               0x05, 0x00, 0x04, 0x20 } },
1452         { CALG_SHA_384, 19, { 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1453                               0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1454                               0x05, 0x00, 0x04, 0x30 } },
1455         { CALG_SHA_384, 19, { 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1456                               0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1457                               0x05, 0x00, 0x04, 0x40 } },
1458         { CALG_SSL3_SHAMD5, 0, { 0 } },
1459         { 0,        0,  { 0 } }
1460     };
1461     DWORD dwIdxOID, i, j;
1462
1463     for (dwIdxOID = 0; aOIDDescriptor[dwIdxOID].aiAlgid; dwIdxOID++) {
1464         if (aOIDDescriptor[dwIdxOID].aiAlgid == aiAlgid) break;
1465     }
1466
1467     if (!aOIDDescriptor[dwIdxOID].aiAlgid) {
1468         SetLastError(NTE_BAD_ALGID);
1469         return FALSE;
1470     }
1471
1472     /* Build the padded signature */
1473     if (dwFlags & CRYPT_X931_FORMAT) {
1474         pbSignature[0] = 0x6b;
1475         for (i=1; i < dwLen - dwHashLen - 3; i++) {
1476             pbSignature[i] = 0xbb;
1477         }
1478         pbSignature[i++] = 0xba;
1479         for (j=0; j < dwHashLen; j++, i++) {
1480             pbSignature[i] = abHashValue[j];
1481         }
1482         pbSignature[i++] = 0x33;
1483         pbSignature[i++] = 0xcc;
1484     } else {
1485         pbSignature[0] = 0x00;
1486         pbSignature[1] = 0x01;
1487         if (dwFlags & CRYPT_NOHASHOID) {
1488             for (i=2; i < dwLen - 1 - dwHashLen; i++) {
1489                 pbSignature[i] = 0xff;
1490             }
1491             pbSignature[i++] = 0x00;
1492         } else {
1493             for (i=2; i < dwLen - 1 - aOIDDescriptor[dwIdxOID].dwLen - dwHashLen; i++) {
1494                 pbSignature[i] = 0xff;
1495             }
1496             pbSignature[i++] = 0x00;
1497             for (j=0; j < aOIDDescriptor[dwIdxOID].dwLen; j++) {
1498                 pbSignature[i++] = aOIDDescriptor[dwIdxOID].abOID[j];
1499             }
1500         }
1501         for (j=0; j < dwHashLen; j++) {
1502             pbSignature[i++] = abHashValue[j];
1503         }
1504     }
1505
1506     return TRUE;
1507 }
1508
1509 /******************************************************************************
1510  * tls1_p [Internal]
1511  *
1512  * This is an implementation of the 'P_hash' helper function for TLS1's PRF.
1513  * It is used exclusively by tls1_prf. For details see RFC 2246, chapter 5.
1514  * The pseudo random stream generated by this function is exclusive or'ed with
1515  * the data in pbBuffer.
1516  *
1517  * PARAMS
1518  *  hHMAC       [I]   HMAC object, which will be used in pseudo random generation
1519  *  pblobSeed   [I]   Seed value
1520  *  pbBuffer    [I/O] Pseudo random stream will be xor'ed to the provided data
1521  *  dwBufferLen [I]   Number of pseudo random bytes desired
1522  *
1523  * RETURNS
1524  *  Success: TRUE
1525  *  Failure: FALSE
1526  */
1527 static BOOL tls1_p(HCRYPTHASH hHMAC, CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1528 {
1529     CRYPTHASH *pHMAC;
1530     BYTE abAi[RSAENH_MAX_HASH_SIZE];
1531     DWORD i = 0;
1532
1533     if (!lookup_handle(&handle_table, hHMAC, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pHMAC)) {
1534         SetLastError(NTE_BAD_HASH);
1535         return FALSE;
1536     }
1537
1538     /* compute A_1 = HMAC(seed) */
1539     init_hash(pHMAC);
1540     update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1541     finalize_hash(pHMAC);
1542     memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1543
1544     do {
1545         /* compute HMAC(A_i + seed) */
1546         init_hash(pHMAC);
1547         update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1548         update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1549         finalize_hash(pHMAC);
1550
1551         /* pseudo random stream := CONCAT_{i=1..n} ( HMAC(A_i + seed) ) */
1552         do {
1553             if (i >= dwBufferLen) break;
1554             pbBuffer[i] ^= pHMAC->abHashValue[i % pHMAC->dwHashSize];
1555             i++;
1556         } while (i % pHMAC->dwHashSize);
1557
1558         /* compute A_{i+1} = HMAC(A_i) */
1559         init_hash(pHMAC);
1560         update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1561         finalize_hash(pHMAC);
1562         memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1563     } while (i < dwBufferLen);
1564
1565     return TRUE;
1566 }
1567
1568 /******************************************************************************
1569  * tls1_prf [Internal]
1570  *
1571  * TLS1 pseudo random function as specified in RFC 2246, chapter 5
1572  *
1573  * PARAMS
1574  *  hProv       [I] Key container used to compute the pseudo random stream
1575  *  hSecret     [I] Key that holds the (pre-)master secret
1576  *  pblobLabel  [I] Descriptive label
1577  *  pblobSeed   [I] Seed value
1578  *  pbBuffer    [O] Pseudo random numbers will be stored here
1579  *  dwBufferLen [I] Number of pseudo random bytes desired
1580  *
1581  * RETURNS
1582  *  Success: TRUE
1583  *  Failure: FALSE
1584  */
1585 static BOOL tls1_prf(HCRYPTPROV hProv, HCRYPTPROV hSecret, CONST PCRYPT_DATA_BLOB pblobLabel,
1586                      CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1587 {
1588     HMAC_INFO hmacInfo = { 0, NULL, 0, NULL, 0 };
1589     HCRYPTHASH hHMAC = (HCRYPTHASH)INVALID_HANDLE_VALUE;
1590     HCRYPTKEY hHalfSecret = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1591     CRYPTKEY *pHalfSecret, *pSecret;
1592     DWORD dwHalfSecretLen;
1593     BOOL result = FALSE;
1594     CRYPT_DATA_BLOB blobLabelSeed;
1595
1596     TRACE("(hProv=%08lx, hSecret=%08lx, pblobLabel=%p, pblobSeed=%p, pbBuffer=%p, dwBufferLen=%d)\n",
1597           hProv, hSecret, pblobLabel, pblobSeed, pbBuffer, dwBufferLen);
1598
1599     if (!lookup_handle(&handle_table, hSecret, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSecret)) {
1600         SetLastError(NTE_FAIL);
1601         return FALSE;
1602     }
1603
1604     dwHalfSecretLen = (pSecret->dwKeyLen+1)/2;
1605
1606     /* concatenation of the label and the seed */
1607     if (!concat_data_blobs(&blobLabelSeed, pblobLabel, pblobSeed)) goto exit;
1608
1609     /* zero out the buffer, since two random streams will be xor'ed into it. */
1610     memset(pbBuffer, 0, dwBufferLen);
1611
1612     /* build a 'fake' key, to hold the secret. CALG_SSL2_MASTER is used since it provides
1613      * the biggest range of valid key lengths. */
1614     hHalfSecret = new_key(hProv, CALG_SSL2_MASTER, MAKELONG(0,dwHalfSecretLen*8), &pHalfSecret);
1615     if (hHalfSecret == (HCRYPTKEY)INVALID_HANDLE_VALUE) goto exit;
1616
1617     /* Derive an HMAC_MD5 hash and call the helper function. */
1618     memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue, dwHalfSecretLen);
1619     if (!RSAENH_CPCreateHash(hProv, CALG_HMAC, hHalfSecret, 0, &hHMAC)) goto exit;
1620     hmacInfo.HashAlgid = CALG_MD5;
1621     if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1622     if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1623
1624     /* Reconfigure to HMAC_SHA hash and call helper function again. */
1625     memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue + (pSecret->dwKeyLen/2), dwHalfSecretLen);
1626     hmacInfo.HashAlgid = CALG_SHA;
1627     if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1628     if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1629
1630     result = TRUE;
1631 exit:
1632     release_handle(&handle_table, hHalfSecret, RSAENH_MAGIC_KEY);
1633     if (hHMAC != (HCRYPTHASH)INVALID_HANDLE_VALUE) RSAENH_CPDestroyHash(hProv, hHMAC);
1634     free_data_blob(&blobLabelSeed);
1635     return result;
1636 }
1637
1638 /******************************************************************************
1639  * pad_data [Internal]
1640  *
1641  * Helper function for data padding according to PKCS1 #2
1642  *
1643  * PARAMS
1644  *  abData      [I] The data to be padded
1645  *  dwDataLen   [I] Length of the data
1646  *  abBuffer    [O] Padded data will be stored here
1647  *  dwBufferLen [I] Length of the buffer (also length of padded data)
1648  *  dwFlags     [I] Padding format (CRYPT_SSL2_FALLBACK)
1649  *
1650  * RETURN
1651  *  Success: TRUE
1652  *  Failure: FALSE (NTE_BAD_LEN, too much data to pad)
1653  */
1654 static BOOL pad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen,
1655                      DWORD dwFlags)
1656 {
1657     DWORD i;
1658
1659     /* Ensure there is enough space for PKCS1 #2 padding */
1660     if (dwDataLen > dwBufferLen-11) {
1661         SetLastError(NTE_BAD_LEN);
1662         return FALSE;
1663     }
1664
1665     memmove(abBuffer + dwBufferLen - dwDataLen, abData, dwDataLen);
1666
1667     abBuffer[0] = 0x00;
1668     abBuffer[1] = RSAENH_PKC_BLOCKTYPE;
1669     for (i=2; i < dwBufferLen - dwDataLen - 1; i++)
1670         do gen_rand_impl(&abBuffer[i], 1); while (!abBuffer[i]);
1671     if (dwFlags & CRYPT_SSL2_FALLBACK)
1672         for (i-=8; i < dwBufferLen - dwDataLen - 1; i++)
1673             abBuffer[i] = 0x03;
1674     abBuffer[i] = 0x00;
1675
1676     return TRUE;
1677 }
1678
1679 /******************************************************************************
1680  * unpad_data [Internal]
1681  *
1682  * Remove the PKCS1 padding from RSA decrypted data
1683  *
1684  * PARAMS
1685  *  abData      [I]   The padded data
1686  *  dwDataLen   [I]   Length of the padded data
1687  *  abBuffer    [O]   Data without padding will be stored here
1688  *  dwBufferLen [I/O] I: Length of the buffer, O: Length of unpadded data
1689  *  dwFlags     [I]   Currently none defined
1690  *
1691  * RETURNS
1692  *  Success: TRUE
1693  *  Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small)
1694  */
1695 static BOOL unpad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen,
1696                        DWORD dwFlags)
1697 {
1698     DWORD i;
1699
1700     if (dwDataLen < 3)
1701     {
1702         SetLastError(NTE_BAD_DATA);
1703         return FALSE;
1704     }
1705     for (i=2; i<dwDataLen; i++)
1706         if (!abData[i])
1707             break;
1708
1709     if ((i == dwDataLen) || (*dwBufferLen < dwDataLen - i - 1) ||
1710         (abData[0] != 0x00) || (abData[1] != RSAENH_PKC_BLOCKTYPE))
1711     {
1712         SetLastError(NTE_BAD_DATA);
1713         return FALSE;
1714     }
1715
1716     *dwBufferLen = dwDataLen - i - 1;
1717     memmove(abBuffer, abData + i + 1, *dwBufferLen);
1718     return TRUE;
1719 }
1720
1721 /******************************************************************************
1722  * CPAcquireContext (RSAENH.@)
1723  *
1724  * Acquire a handle to the key container specified by pszContainer
1725  *
1726  * PARAMS
1727  *  phProv       [O] Pointer to the location the acquired handle will be written to.
1728  *  pszContainer [I] Name of the desired key container. See Notes
1729  *  dwFlags      [I] Flags. See Notes.
1730  *  pVTable      [I] Pointer to a PVTableProvStruct containing callbacks.
1731  *
1732  * RETURNS
1733  *  Success: TRUE
1734  *  Failure: FALSE
1735  *
1736  * NOTES
1737  *  If pszContainer is NULL or points to a zero length string the user's login
1738  *  name will be used as the key container name.
1739  *
1740  *  If the CRYPT_NEW_KEYSET flag is set in dwFlags a new keyset will be created.
1741  *  If a keyset with the given name already exists, the function fails and sets
1742  *  last error to NTE_EXISTS. If CRYPT_NEW_KEYSET is not set and the specified
1743  *  key container does not exist, function fails and sets last error to
1744  *  NTE_BAD_KEYSET.
1745  */
1746 BOOL WINAPI RSAENH_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
1747                    DWORD dwFlags, PVTableProvStruc pVTable)
1748 {
1749     CHAR szKeyContainerName[MAX_PATH];
1750
1751     TRACE("(phProv=%p, pszContainer=%s, dwFlags=%08x, pVTable=%p)\n", phProv,
1752           debugstr_a(pszContainer), dwFlags, pVTable);
1753
1754     if (pszContainer && *pszContainer)
1755     {
1756         lstrcpynA(szKeyContainerName, pszContainer, MAX_PATH);
1757     }
1758     else
1759     {
1760         DWORD dwLen = sizeof(szKeyContainerName);
1761         if (!GetUserNameA(szKeyContainerName, &dwLen)) return FALSE;
1762     }
1763
1764     switch (dwFlags & (CRYPT_NEWKEYSET|CRYPT_VERIFYCONTEXT|CRYPT_DELETEKEYSET))
1765     {
1766         case 0:
1767             *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1768             break;
1769
1770         case CRYPT_DELETEKEYSET:
1771             return delete_container_key(szKeyContainerName, dwFlags);
1772
1773         case CRYPT_NEWKEYSET:
1774             *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1775             if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1776             {
1777                 release_handle(&handle_table, *phProv, RSAENH_MAGIC_CONTAINER);
1778                 TRACE("Can't create new keyset, already exists\n");
1779                 SetLastError(NTE_EXISTS);
1780                 return FALSE;
1781             }
1782             *phProv = new_key_container(szKeyContainerName, dwFlags, pVTable);
1783             break;
1784
1785         case CRYPT_VERIFYCONTEXT|CRYPT_NEWKEYSET:
1786         case CRYPT_VERIFYCONTEXT:
1787             if (pszContainer && *pszContainer) {
1788                 TRACE("pszContainer should be empty\n");
1789                 SetLastError(NTE_BAD_FLAGS);
1790                 return FALSE;
1791             }
1792             *phProv = new_key_container("", dwFlags, pVTable);
1793             break;
1794
1795         default:
1796             *phProv = (HCRYPTPROV)INVALID_HANDLE_VALUE;
1797             SetLastError(NTE_BAD_FLAGS);
1798             return FALSE;
1799     }
1800
1801     if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE) {
1802         SetLastError(ERROR_SUCCESS);
1803         return TRUE;
1804     } else {
1805         return FALSE;
1806     }
1807 }
1808
1809 /******************************************************************************
1810  * CPCreateHash (RSAENH.@)
1811  *
1812  * CPCreateHash creates and initializes a new hash object.
1813  *
1814  * PARAMS
1815  *  hProv   [I] Handle to the key container to which the new hash will belong.
1816  *  Algid   [I] Identifies the hash algorithm, which will be used for the hash.
1817  *  hKey    [I] Handle to a session key applied for keyed hashes.
1818  *  dwFlags [I] Currently no flags defined. Must be zero.
1819  *  phHash  [O] Points to the location where a handle to the new hash will be stored.
1820  *
1821  * RETURNS
1822  *  Success: TRUE
1823  *  Failure: FALSE
1824  *
1825  * NOTES
1826  *  hKey is a handle to a session key applied in keyed hashes like MAC and HMAC.
1827  *  If a normal hash object is to be created (like e.g. MD2 or SHA1) hKey must be zero.
1828  */
1829 BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags,
1830                                 HCRYPTHASH *phHash)
1831 {
1832     CRYPTKEY *pCryptKey;
1833     CRYPTHASH *pCryptHash;
1834     const PROV_ENUMALGS_EX *peaAlgidInfo;
1835
1836     TRACE("(hProv=%08lx, Algid=%08x, hKey=%08lx, dwFlags=%08x, phHash=%p)\n", hProv, Algid, hKey,
1837           dwFlags, phHash);
1838
1839     peaAlgidInfo = get_algid_info(hProv, Algid);
1840     if (!peaAlgidInfo) return FALSE;
1841
1842     if (dwFlags)
1843     {
1844         SetLastError(NTE_BAD_FLAGS);
1845         return FALSE;
1846     }
1847
1848     if (Algid == CALG_MAC || Algid == CALG_HMAC || Algid == CALG_SCHANNEL_MASTER_HASH ||
1849         Algid == CALG_TLS1PRF)
1850     {
1851         if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey)) {
1852             SetLastError(NTE_BAD_KEY);
1853             return FALSE;
1854         }
1855
1856         if ((Algid == CALG_MAC) && (GET_ALG_TYPE(pCryptKey->aiAlgid) != ALG_TYPE_BLOCK)) {
1857             SetLastError(NTE_BAD_KEY);
1858             return FALSE;
1859         }
1860
1861         if ((Algid == CALG_SCHANNEL_MASTER_HASH || Algid == CALG_TLS1PRF) &&
1862             (pCryptKey->aiAlgid != CALG_TLS1_MASTER))
1863         {
1864             SetLastError(NTE_BAD_KEY);
1865             return FALSE;
1866         }
1867         if (Algid == CALG_SCHANNEL_MASTER_HASH &&
1868             ((!pCryptKey->siSChannelInfo.blobClientRandom.cbData) ||
1869              (!pCryptKey->siSChannelInfo.blobServerRandom.cbData)))
1870         {
1871             SetLastError(ERROR_INVALID_PARAMETER);
1872             return FALSE;
1873         }
1874
1875         if ((Algid == CALG_TLS1PRF) && (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY)) {
1876             SetLastError(NTE_BAD_KEY_STATE);
1877             return FALSE;
1878         }
1879     }
1880
1881     *phHash = new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1882                          destroy_hash, (OBJECTHDR**)&pCryptHash);
1883     if (!pCryptHash) return FALSE;
1884
1885     pCryptHash->aiAlgid = Algid;
1886     pCryptHash->hKey = hKey;
1887     pCryptHash->hProv = hProv;
1888     pCryptHash->dwState = RSAENH_HASHSTATE_HASHING;
1889     pCryptHash->pHMACInfo = NULL;
1890     pCryptHash->dwHashSize = peaAlgidInfo->dwDefaultLen >> 3;
1891     init_data_blob(&pCryptHash->tpPRFParams.blobLabel);
1892     init_data_blob(&pCryptHash->tpPRFParams.blobSeed);
1893
1894     if (Algid == CALG_SCHANNEL_MASTER_HASH) {
1895         static const char keyex[] = "key expansion";
1896         BYTE key_expansion[sizeof keyex];
1897         CRYPT_DATA_BLOB blobRandom, blobKeyExpansion = { 13, key_expansion };
1898
1899         memcpy( key_expansion, keyex, sizeof keyex );
1900
1901         if (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY) {
1902             static const char msec[] = "master secret";
1903             BYTE master_secret[sizeof msec];
1904             CRYPT_DATA_BLOB blobLabel = { 13, master_secret };
1905             BYTE abKeyValue[48];
1906
1907             memcpy( master_secret, msec, sizeof msec );
1908
1909             /* See RFC 2246, chapter 8.1 */
1910             if (!concat_data_blobs(&blobRandom,
1911                                    &pCryptKey->siSChannelInfo.blobClientRandom,
1912                                    &pCryptKey->siSChannelInfo.blobServerRandom))
1913             {
1914                 return FALSE;
1915             }
1916             tls1_prf(hProv, hKey, &blobLabel, &blobRandom, abKeyValue, 48);
1917             pCryptKey->dwState = RSAENH_KEYSTATE_MASTERKEY;
1918             memcpy(pCryptKey->abKeyValue, abKeyValue, 48);
1919             free_data_blob(&blobRandom);
1920         }
1921
1922         /* See RFC 2246, chapter 6.3 */
1923         if (!concat_data_blobs(&blobRandom,
1924                                   &pCryptKey->siSChannelInfo.blobServerRandom,
1925                                   &pCryptKey->siSChannelInfo.blobClientRandom))
1926         {
1927             return FALSE;
1928         }
1929         tls1_prf(hProv, hKey, &blobKeyExpansion, &blobRandom, pCryptHash->abHashValue,
1930                  RSAENH_MAX_HASH_SIZE);
1931         free_data_blob(&blobRandom);
1932     }
1933
1934     return init_hash(pCryptHash);
1935 }
1936
1937 /******************************************************************************
1938  * CPDestroyHash (RSAENH.@)
1939  *
1940  * Releases the handle to a hash object. The object is destroyed if its reference
1941  * count reaches zero.
1942  *
1943  * PARAMS
1944  *  hProv [I] Handle to the key container to which the hash object belongs.
1945  *  hHash [I] Handle to the hash object to be released.
1946  *
1947  * RETURNS
1948  *  Success: TRUE
1949  *  Failure: FALSE
1950  */
1951 BOOL WINAPI RSAENH_CPDestroyHash(HCRYPTPROV hProv, HCRYPTHASH hHash)
1952 {
1953     TRACE("(hProv=%08lx, hHash=%08lx)\n", hProv, hHash);
1954
1955     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1956     {
1957         SetLastError(NTE_BAD_UID);
1958         return FALSE;
1959     }
1960
1961     if (!release_handle(&handle_table, hHash, RSAENH_MAGIC_HASH))
1962     {
1963         SetLastError(NTE_BAD_HASH);
1964         return FALSE;
1965     }
1966
1967     return TRUE;
1968 }
1969
1970 /******************************************************************************
1971  * CPDestroyKey (RSAENH.@)
1972  *
1973  * Releases the handle to a key object. The object is destroyed if its reference
1974  * count reaches zero.
1975  *
1976  * PARAMS
1977  *  hProv [I] Handle to the key container to which the key object belongs.
1978  *  hKey  [I] Handle to the key object to be released.
1979  *
1980  * RETURNS
1981  *  Success: TRUE
1982  *  Failure: FALSE
1983  */
1984 BOOL WINAPI RSAENH_CPDestroyKey(HCRYPTPROV hProv, HCRYPTKEY hKey)
1985 {
1986     TRACE("(hProv=%08lx, hKey=%08lx)\n", hProv, hKey);
1987
1988     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1989     {
1990         SetLastError(NTE_BAD_UID);
1991         return FALSE;
1992     }
1993
1994     if (!release_handle(&handle_table, hKey, RSAENH_MAGIC_KEY))
1995     {
1996         SetLastError(NTE_BAD_KEY);
1997         return FALSE;
1998     }
1999
2000     return TRUE;
2001 }
2002
2003 /******************************************************************************
2004  * CPDuplicateHash (RSAENH.@)
2005  *
2006  * Clones a hash object including its current state.
2007  *
2008  * PARAMS
2009  *  hUID        [I] Handle to the key container the hash belongs to.
2010  *  hHash       [I] Handle to the hash object to be cloned.
2011  *  pdwReserved [I] Reserved. Must be NULL.
2012  *  dwFlags     [I] No flags are currently defined. Must be 0.
2013  *  phHash      [O] Handle to the cloned hash object.
2014  *
2015  * RETURNS
2016  *  Success: TRUE.
2017  *  Failure: FALSE.
2018  */
2019 BOOL WINAPI RSAENH_CPDuplicateHash(HCRYPTPROV hUID, HCRYPTHASH hHash, DWORD *pdwReserved,
2020                                    DWORD dwFlags, HCRYPTHASH *phHash)
2021 {
2022     CRYPTHASH *pSrcHash, *pDestHash;
2023
2024     TRACE("(hUID=%08lx, hHash=%08lx, pdwReserved=%p, dwFlags=%08x, phHash=%p)\n", hUID, hHash,
2025            pdwReserved, dwFlags, phHash);
2026
2027     if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
2028     {
2029         SetLastError(NTE_BAD_UID);
2030         return FALSE;
2031     }
2032
2033     if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pSrcHash))
2034     {
2035         SetLastError(NTE_BAD_HASH);
2036         return FALSE;
2037     }
2038
2039     if (!phHash || pdwReserved || dwFlags)
2040     {
2041         SetLastError(ERROR_INVALID_PARAMETER);
2042         return FALSE;
2043     }
2044
2045     *phHash = new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
2046                          destroy_hash, (OBJECTHDR**)&pDestHash);
2047     if (*phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE)
2048     {
2049         *pDestHash = *pSrcHash;
2050         duplicate_hash_impl(pSrcHash->aiAlgid, &pSrcHash->context, &pDestHash->context);
2051         copy_hmac_info(&pDestHash->pHMACInfo, pSrcHash->pHMACInfo);
2052         copy_data_blob(&pDestHash->tpPRFParams.blobLabel, &pSrcHash->tpPRFParams.blobLabel);
2053         copy_data_blob(&pDestHash->tpPRFParams.blobSeed, &pSrcHash->tpPRFParams.blobSeed);
2054     }
2055
2056     return *phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE;
2057 }
2058
2059 /******************************************************************************
2060  * CPDuplicateKey (RSAENH.@)
2061  *
2062  * Clones a key object including its current state.
2063  *
2064  * PARAMS
2065  *  hUID        [I] Handle to the key container the hash belongs to.
2066  *  hKey        [I] Handle to the key object to be cloned.
2067  *  pdwReserved [I] Reserved. Must be NULL.
2068  *  dwFlags     [I] No flags are currently defined. Must be 0.
2069  *  phHash      [O] Handle to the cloned key object.
2070  *
2071  * RETURNS
2072  *  Success: TRUE.
2073  *  Failure: FALSE.
2074  */
2075 BOOL WINAPI RSAENH_CPDuplicateKey(HCRYPTPROV hUID, HCRYPTKEY hKey, DWORD *pdwReserved,
2076                                   DWORD dwFlags, HCRYPTKEY *phKey)
2077 {
2078     CRYPTKEY *pSrcKey, *pDestKey;
2079
2080     TRACE("(hUID=%08lx, hKey=%08lx, pdwReserved=%p, dwFlags=%08x, phKey=%p)\n", hUID, hKey,
2081           pdwReserved, dwFlags, phKey);
2082
2083     if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
2084     {
2085         SetLastError(NTE_BAD_UID);
2086         return FALSE;
2087     }
2088
2089     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSrcKey))
2090     {
2091         SetLastError(NTE_BAD_KEY);
2092         return FALSE;
2093     }
2094
2095     if (!phKey || pdwReserved || dwFlags)
2096     {
2097         SetLastError(ERROR_INVALID_PARAMETER);
2098         return FALSE;
2099     }
2100
2101     *phKey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, destroy_key,
2102                         (OBJECTHDR**)&pDestKey);
2103     if (*phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
2104     {
2105         *pDestKey = *pSrcKey;
2106         copy_data_blob(&pDestKey->siSChannelInfo.blobServerRandom,
2107                        &pSrcKey->siSChannelInfo.blobServerRandom);
2108         copy_data_blob(&pDestKey->siSChannelInfo.blobClientRandom,
2109                        &pSrcKey->siSChannelInfo.blobClientRandom);
2110         duplicate_key_impl(pSrcKey->aiAlgid, &pSrcKey->context, &pDestKey->context);
2111         return TRUE;
2112     }
2113     else
2114     {
2115         return FALSE;
2116     }
2117 }
2118
2119 /******************************************************************************
2120  * CPEncrypt (RSAENH.@)
2121  *
2122  * Encrypt data.
2123  *
2124  * PARAMS
2125  *  hProv      [I]   The key container hKey and hHash belong to.
2126  *  hKey       [I]   The key used to encrypt the data.
2127  *  hHash      [I]   An optional hash object for parallel hashing. See notes.
2128  *  Final      [I]   Indicates if this is the last block of data to encrypt.
2129  *  dwFlags    [I]   Currently no flags defined. Must be zero.
2130  *  pbData     [I/O] Pointer to the data to encrypt. Encrypted data will also be stored there.
2131  *  pdwDataLen [I/O] I: Length of data to encrypt, O: Length of encrypted data.
2132  *  dwBufLen   [I]   Size of the buffer at pbData.
2133  *
2134  * RETURNS
2135  *  Success: TRUE.
2136  *  Failure: FALSE.
2137  *
2138  * NOTES
2139  *  If a hash object handle is provided in hHash, it will be updated with the plaintext.
2140  *  This is useful for message signatures.
2141  *
2142  *  This function uses the standard WINAPI protocol for querying data of dynamic length.
2143  */
2144 BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2145                              DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
2146 {
2147     CRYPTKEY *pCryptKey;
2148     BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2149     DWORD dwEncryptedLen, i, j, k;
2150
2151     TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2152           "pdwDataLen=%p, dwBufLen=%d)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen,
2153           dwBufLen);
2154
2155     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2156     {
2157         SetLastError(NTE_BAD_UID);
2158         return FALSE;
2159     }
2160
2161     if (dwFlags)
2162     {
2163         SetLastError(NTE_BAD_FLAGS);
2164         return FALSE;
2165     }
2166
2167     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2168     {
2169         SetLastError(NTE_BAD_KEY);
2170         return FALSE;
2171     }
2172
2173     if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2174         pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
2175
2176     if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
2177     {
2178         SetLastError(NTE_BAD_DATA);
2179         return FALSE;
2180     }
2181
2182     if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2183         if (!RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2184     }
2185
2186     if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2187         if (!Final && (*pdwDataLen % pCryptKey->dwBlockLen)) {
2188             SetLastError(NTE_BAD_DATA);
2189             return FALSE;
2190         }
2191
2192         dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen;
2193
2194         if (pbData == NULL) {
2195             *pdwDataLen = dwEncryptedLen;
2196             return TRUE;
2197         }
2198         else if (dwEncryptedLen > dwBufLen) {
2199             *pdwDataLen = dwEncryptedLen;
2200             SetLastError(ERROR_MORE_DATA);
2201             return FALSE;
2202         }
2203
2204         /* Pad final block with length bytes */
2205         for (i=*pdwDataLen; i<dwEncryptedLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen;
2206         *pdwDataLen = dwEncryptedLen;
2207
2208         for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2209             switch (pCryptKey->dwMode) {
2210                 case CRYPT_MODE_ECB:
2211                     encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2212                                        RSAENH_ENCRYPT);
2213                     break;
2214
2215                 case CRYPT_MODE_CBC:
2216                     for (j=0; j<pCryptKey->dwBlockLen; j++) in[j] ^= pCryptKey->abChainVector[j];
2217                     encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2218                                        RSAENH_ENCRYPT);
2219                     memcpy(pCryptKey->abChainVector, out, pCryptKey->dwBlockLen);
2220                     break;
2221
2222                 case CRYPT_MODE_CFB:
2223                     for (j=0; j<pCryptKey->dwBlockLen; j++) {
2224                         encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2225                                            pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2226                         out[j] = in[j] ^ o[0];
2227                         for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2228                             pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2229                         pCryptKey->abChainVector[k] = out[j];
2230                     }
2231                     break;
2232
2233                 default:
2234                     SetLastError(NTE_BAD_ALGID);
2235                     return FALSE;
2236             }
2237             memcpy(in, out, pCryptKey->dwBlockLen);
2238         }
2239     } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2240         if (pbData == NULL) {
2241             *pdwDataLen = dwBufLen;
2242             return TRUE;
2243         }
2244         encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2245     } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2246         if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2247             SetLastError(NTE_BAD_KEY);
2248             return FALSE;
2249         }
2250         if (!pbData) {
2251             *pdwDataLen = pCryptKey->dwBlockLen;
2252             return TRUE;
2253         }
2254         if (dwBufLen < pCryptKey->dwBlockLen) {
2255             SetLastError(ERROR_MORE_DATA);
2256             return FALSE;
2257         }
2258         if (!pad_data(pbData, *pdwDataLen, pbData, pCryptKey->dwBlockLen, dwFlags)) return FALSE;
2259         encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbData, pbData, RSAENH_ENCRYPT);
2260         *pdwDataLen = pCryptKey->dwBlockLen;
2261         Final = TRUE;
2262     } else {
2263         SetLastError(NTE_BAD_TYPE);
2264         return FALSE;
2265     }
2266
2267     if (Final) setup_key(pCryptKey);
2268
2269     return TRUE;
2270 }
2271
2272 /******************************************************************************
2273  * CPDecrypt (RSAENH.@)
2274  *
2275  * Decrypt data.
2276  *
2277  * PARAMS
2278  *  hProv      [I]   The key container hKey and hHash belong to.
2279  *  hKey       [I]   The key used to decrypt the data.
2280  *  hHash      [I]   An optional hash object for parallel hashing. See notes.
2281  *  Final      [I]   Indicates if this is the last block of data to decrypt.
2282  *  dwFlags    [I]   Currently no flags defined. Must be zero.
2283  *  pbData     [I/O] Pointer to the data to decrypt. Plaintext will also be stored there.
2284  *  pdwDataLen [I/O] I: Length of ciphertext, O: Length of plaintext.
2285  *
2286  * RETURNS
2287  *  Success: TRUE.
2288  *  Failure: FALSE.
2289  *
2290  * NOTES
2291  *  If a hash object handle is provided in hHash, it will be updated with the plaintext.
2292  *  This is useful for message signatures.
2293  *
2294  *  This function uses the standard WINAPI protocol for querying data of dynamic length.
2295  */
2296 BOOL WINAPI RSAENH_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2297                              DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2298 {
2299     CRYPTKEY *pCryptKey;
2300     BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2301     DWORD i, j, k;
2302     DWORD dwMax;
2303
2304     TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2305           "pdwDataLen=%p)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
2306
2307     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2308     {
2309         SetLastError(NTE_BAD_UID);
2310         return FALSE;
2311     }
2312
2313     if (dwFlags)
2314     {
2315         SetLastError(NTE_BAD_FLAGS);
2316         return FALSE;
2317     }
2318
2319     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2320     {
2321         SetLastError(NTE_BAD_KEY);
2322         return FALSE;
2323     }
2324
2325     if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2326         pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
2327
2328     if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
2329     {
2330         SetLastError(NTE_BAD_DATA);
2331         return FALSE;
2332     }
2333
2334     dwMax=*pdwDataLen;
2335
2336     if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2337         for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2338             switch (pCryptKey->dwMode) {
2339                 case CRYPT_MODE_ECB:
2340                     encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2341                                        RSAENH_DECRYPT);
2342                     break;
2343
2344                 case CRYPT_MODE_CBC:
2345                     encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2346                                        RSAENH_DECRYPT);
2347                     for (j=0; j<pCryptKey->dwBlockLen; j++) out[j] ^= pCryptKey->abChainVector[j];
2348                     memcpy(pCryptKey->abChainVector, in, pCryptKey->dwBlockLen);
2349                     break;
2350
2351                 case CRYPT_MODE_CFB:
2352                     for (j=0; j<pCryptKey->dwBlockLen; j++) {
2353                         encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2354                                            pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2355                         out[j] = in[j] ^ o[0];
2356                         for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2357                             pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2358                         pCryptKey->abChainVector[k] = in[j];
2359                     }
2360                     break;
2361
2362                 default:
2363                     SetLastError(NTE_BAD_ALGID);
2364                     return FALSE;
2365             }
2366             memcpy(in, out, pCryptKey->dwBlockLen);
2367         }
2368         if (Final) {
2369             if (pbData[*pdwDataLen-1] &&
2370              pbData[*pdwDataLen-1] <= pCryptKey->dwBlockLen &&
2371              pbData[*pdwDataLen-1] <= *pdwDataLen) {
2372                 BOOL padOkay = TRUE;
2373
2374                 /* check that every bad byte has the same value */
2375                 for (i = 1; padOkay && i < pbData[*pdwDataLen-1]; i++)
2376                     if (pbData[*pdwDataLen - i - 1] != pbData[*pdwDataLen - 1])
2377                         padOkay = FALSE;
2378                 if (padOkay)
2379                     *pdwDataLen -= pbData[*pdwDataLen-1];
2380                 else {
2381                     SetLastError(NTE_BAD_DATA);
2382                     return FALSE;
2383                 }
2384             }
2385             else {
2386                 SetLastError(NTE_BAD_DATA);
2387                 return FALSE;
2388             }
2389         }
2390
2391     } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2392         encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2393     } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2394         if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2395             SetLastError(NTE_BAD_KEY);
2396             return FALSE;
2397         }
2398         encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbData, pbData, RSAENH_DECRYPT);
2399         if (!unpad_data(pbData, pCryptKey->dwBlockLen, pbData, pdwDataLen, dwFlags)) return FALSE;
2400         Final = TRUE;
2401     } else {
2402         SetLastError(NTE_BAD_TYPE);
2403         return FALSE;
2404     }
2405
2406     if (Final) setup_key(pCryptKey);
2407
2408     if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2409         if (*pdwDataLen>dwMax ||
2410             !RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2411     }
2412
2413     return TRUE;
2414 }
2415
2416 static BOOL crypt_export_simple(CRYPTKEY *pCryptKey, CRYPTKEY *pPubKey,
2417     DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2418 {
2419     BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2420     ALG_ID *pAlgid = (ALG_ID*)(pBlobHeader+1);
2421     DWORD dwDataLen;
2422
2423     if (!(GET_ALG_CLASS(pCryptKey->aiAlgid)&(ALG_CLASS_DATA_ENCRYPT|ALG_CLASS_MSG_ENCRYPT))) {
2424         SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2425         return FALSE;
2426     }
2427
2428     dwDataLen = sizeof(BLOBHEADER) + sizeof(ALG_ID) + pPubKey->dwBlockLen;
2429     if (pbData) {
2430         if (*pdwDataLen < dwDataLen) {
2431             SetLastError(ERROR_MORE_DATA);
2432             *pdwDataLen = dwDataLen;
2433             return FALSE;
2434         }
2435
2436         pBlobHeader->bType = SIMPLEBLOB;
2437         pBlobHeader->bVersion = CUR_BLOB_VERSION;
2438         pBlobHeader->reserved = 0;
2439         pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2440
2441         *pAlgid = pPubKey->aiAlgid;
2442
2443         if (!pad_data(pCryptKey->abKeyValue, pCryptKey->dwKeyLen, (BYTE*)(pAlgid+1),
2444                       pPubKey->dwBlockLen, dwFlags))
2445         {
2446             return FALSE;
2447         }
2448
2449         encrypt_block_impl(pPubKey->aiAlgid, PK_PUBLIC, &pPubKey->context, (BYTE*)(pAlgid+1),
2450                            (BYTE*)(pAlgid+1), RSAENH_ENCRYPT);
2451     }
2452     *pdwDataLen = dwDataLen;
2453     return TRUE;
2454 }
2455
2456 static BOOL crypt_export_public_key(CRYPTKEY *pCryptKey, BYTE *pbData,
2457     DWORD *pdwDataLen)
2458 {
2459     BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2460     RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2461     DWORD dwDataLen;
2462
2463     if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2464         SetLastError(NTE_BAD_KEY);
2465         return FALSE;
2466     }
2467
2468     dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + pCryptKey->dwKeyLen;
2469     if (pbData) {
2470         if (*pdwDataLen < dwDataLen) {
2471             SetLastError(ERROR_MORE_DATA);
2472             *pdwDataLen = dwDataLen;
2473             return FALSE;
2474         }
2475
2476         pBlobHeader->bType = PUBLICKEYBLOB;
2477         pBlobHeader->bVersion = CUR_BLOB_VERSION;
2478         pBlobHeader->reserved = 0;
2479         pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2480
2481         pRSAPubKey->magic = RSAENH_MAGIC_RSA1;
2482         pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2483
2484         export_public_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2485                                pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2486     }
2487     *pdwDataLen = dwDataLen;
2488     return TRUE;
2489 }
2490
2491 static BOOL crypt_export_private_key(CRYPTKEY *pCryptKey, BOOL force,
2492     BYTE *pbData, DWORD *pdwDataLen)
2493 {
2494     BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2495     RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2496     DWORD dwDataLen;
2497
2498     if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2499         SetLastError(NTE_BAD_KEY);
2500         return FALSE;
2501     }
2502     if (!force && !(pCryptKey->dwPermissions & CRYPT_EXPORT))
2503     {
2504         SetLastError(NTE_BAD_KEY_STATE);
2505         return FALSE;
2506     }
2507
2508     dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2509                 2 * pCryptKey->dwKeyLen + 5 * ((pCryptKey->dwKeyLen + 1) >> 1);
2510     if (pbData) {
2511         if (*pdwDataLen < dwDataLen) {
2512             SetLastError(ERROR_MORE_DATA);
2513             *pdwDataLen = dwDataLen;
2514             return FALSE;
2515         }
2516
2517         pBlobHeader->bType = PRIVATEKEYBLOB;
2518         pBlobHeader->bVersion = CUR_BLOB_VERSION;
2519         pBlobHeader->reserved = 0;
2520         pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2521
2522         pRSAPubKey->magic = RSAENH_MAGIC_RSA2;
2523         pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2524
2525         export_private_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2526                                 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2527     }
2528     *pdwDataLen = dwDataLen;
2529     return TRUE;
2530 }
2531
2532 static BOOL crypt_export_plaintext_key(CRYPTKEY *pCryptKey, BYTE *pbData,
2533     DWORD *pdwDataLen)
2534 {
2535     BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2536     DWORD *pKeyLen = (DWORD*)(pBlobHeader+1);
2537     BYTE *pbKey = (BYTE*)(pKeyLen+1);
2538     DWORD dwDataLen;
2539
2540     dwDataLen = sizeof(BLOBHEADER) + sizeof(DWORD) + pCryptKey->dwKeyLen;
2541     if (pbData) {
2542         if (*pdwDataLen < dwDataLen) {
2543             SetLastError(ERROR_MORE_DATA);
2544             *pdwDataLen = dwDataLen;
2545             return FALSE;
2546         }
2547
2548         pBlobHeader->bType = PLAINTEXTKEYBLOB;
2549         pBlobHeader->bVersion = CUR_BLOB_VERSION;
2550         pBlobHeader->reserved = 0;
2551         pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2552
2553         *pKeyLen = pCryptKey->dwKeyLen;
2554         memcpy(pbKey, pCryptKey->abKeyValue, pCryptKey->dwKeyLen);
2555     }
2556     *pdwDataLen = dwDataLen;
2557     return TRUE;
2558 }
2559 /******************************************************************************
2560  * crypt_export_key [Internal]
2561  *
2562  * Export a key into a binary large object (BLOB).  Called by CPExportKey and
2563  * by store_key_pair.
2564  *
2565  * PARAMS
2566  *  pCryptKey  [I]   Key to be exported.
2567  *  hPubKey    [I]   Key used to encrypt sensitive BLOB data.
2568  *  dwBlobType [I]   SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2569  *  dwFlags    [I]   Currently none defined.
2570  *  force      [I]   If TRUE, the key is written no matter what the key's
2571  *                   permissions are.  Otherwise the key's permissions are
2572  *                   checked before exporting.
2573  *  pbData     [O]   Pointer to a buffer where the BLOB will be written to.
2574  *  pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2575  *
2576  * RETURNS
2577  *  Success: TRUE.
2578  *  Failure: FALSE.
2579  */
2580 static BOOL crypt_export_key(CRYPTKEY *pCryptKey, HCRYPTKEY hPubKey,
2581                              DWORD dwBlobType, DWORD dwFlags, BOOL force,
2582                              BYTE *pbData, DWORD *pdwDataLen)
2583 {
2584     CRYPTKEY *pPubKey;
2585
2586     if (dwFlags & CRYPT_SSL2_FALLBACK) {
2587         if (pCryptKey->aiAlgid != CALG_SSL2_MASTER) {
2588             SetLastError(NTE_BAD_KEY);
2589             return FALSE;
2590         }
2591     }
2592
2593     switch ((BYTE)dwBlobType)
2594     {
2595         case SIMPLEBLOB:
2596             if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey)){
2597                 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error_code? */
2598                 return FALSE;
2599             }
2600             return crypt_export_simple(pCryptKey, pPubKey, dwFlags, pbData,
2601                                        pdwDataLen);
2602
2603         case PUBLICKEYBLOB:
2604             if (is_valid_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY)) {
2605                 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2606                 return FALSE;
2607             }
2608
2609             return crypt_export_public_key(pCryptKey, pbData, pdwDataLen);
2610
2611         case PRIVATEKEYBLOB:
2612             return crypt_export_private_key(pCryptKey, force, pbData, pdwDataLen);
2613
2614         case PLAINTEXTKEYBLOB:
2615             return crypt_export_plaintext_key(pCryptKey, pbData, pdwDataLen);
2616
2617         default:
2618             SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2619             return FALSE;
2620     }
2621 }
2622
2623 /******************************************************************************
2624  * CPExportKey (RSAENH.@)
2625  *
2626  * Export a key into a binary large object (BLOB).
2627  *
2628  * PARAMS
2629  *  hProv      [I]   Key container from which a key is to be exported.
2630  *  hKey       [I]   Key to be exported.
2631  *  hPubKey    [I]   Key used to encrypt sensitive BLOB data.
2632  *  dwBlobType [I]   SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2633  *  dwFlags    [I]   Currently none defined.
2634  *  pbData     [O]   Pointer to a buffer where the BLOB will be written to.
2635  *  pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2636  *
2637  * RETURNS
2638  *  Success: TRUE.
2639  *  Failure: FALSE.
2640  */
2641 BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubKey,
2642                                DWORD dwBlobType, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2643 {
2644     CRYPTKEY *pCryptKey;
2645
2646     TRACE("(hProv=%08lx, hKey=%08lx, hPubKey=%08lx, dwBlobType=%08x, dwFlags=%08x, pbData=%p,"
2647           "pdwDataLen=%p)\n", hProv, hKey, hPubKey, dwBlobType, dwFlags, pbData, pdwDataLen);
2648
2649     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2650     {
2651         SetLastError(NTE_BAD_UID);
2652         return FALSE;
2653     }
2654
2655     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2656     {
2657         SetLastError(NTE_BAD_KEY);
2658         return FALSE;
2659     }
2660
2661     return crypt_export_key(pCryptKey, hPubKey, dwBlobType, dwFlags, FALSE,
2662         pbData, pdwDataLen);
2663 }
2664
2665 /******************************************************************************
2666  * release_and_install_key [Internal]
2667  *
2668  * Release an existing key, if present, and replaces it with a new one.
2669  *
2670  * PARAMS
2671  *  hProv     [I] Key container into which the key is to be imported.
2672  *  src       [I] Key which will replace *dest
2673  *  dest      [I] Points to key to be released and replaced with src
2674  *  fStoreKey [I] If TRUE, the newly installed key is stored to the registry.
2675  */
2676 static void release_and_install_key(HCRYPTPROV hProv, HCRYPTKEY src,
2677                                     HCRYPTKEY *dest, DWORD fStoreKey)
2678 {
2679     RSAENH_CPDestroyKey(hProv, *dest);
2680     copy_handle(&handle_table, src, RSAENH_MAGIC_KEY, dest);
2681     if (fStoreKey)
2682     {
2683         KEYCONTAINER *pKeyContainer;
2684
2685         if (lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2686                           (OBJECTHDR**)&pKeyContainer))
2687         {
2688             store_key_container_keys(pKeyContainer);
2689             store_key_container_permissions(pKeyContainer);
2690         }
2691     }
2692 }
2693
2694 /******************************************************************************
2695  * import_private_key [Internal]
2696  *
2697  * Import a BLOB'ed private key into a key container.
2698  *
2699  * PARAMS
2700  *  hProv     [I] Key container into which the private key is to be imported.
2701  *  pbData    [I] Pointer to a buffer which holds the private key BLOB.
2702  *  dwDataLen [I] Length of data in buffer at pbData.
2703  *  dwFlags   [I] One of:
2704  *                CRYPT_EXPORTABLE: the imported key is marked exportable
2705  *  fStoreKey [I] If TRUE, the imported key is stored to the registry.
2706  *  phKey     [O] Handle to the imported key.
2707  *
2708  *
2709  * NOTES
2710  *  Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2711  *  it's a PRIVATEKEYBLOB.
2712  *
2713  * RETURNS
2714  *  Success: TRUE.
2715  *  Failure: FALSE.
2716  */
2717 static BOOL import_private_key(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
2718                                DWORD dwFlags, BOOL fStoreKey, HCRYPTKEY *phKey)
2719 {
2720     KEYCONTAINER *pKeyContainer;
2721     CRYPTKEY *pCryptKey;
2722     CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2723     CONST RSAPUBKEY *pRSAPubKey = (CONST RSAPUBKEY*)(pBlobHeader+1);
2724     BOOL ret;
2725
2726     if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2727     {
2728         FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2729         SetLastError(NTE_BAD_FLAGS);
2730         return FALSE;
2731     }
2732     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2733                        (OBJECTHDR**)&pKeyContainer))
2734     {
2735         SetLastError(NTE_BAD_UID);
2736         return FALSE;
2737     }
2738
2739     if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)))
2740     {
2741         ERR("datalen %d not long enough for a BLOBHEADER + RSAPUBKEY\n",
2742             dwDataLen);
2743         SetLastError(NTE_BAD_DATA);
2744         return FALSE;
2745     }
2746     if (pRSAPubKey->magic != RSAENH_MAGIC_RSA2)
2747     {
2748         ERR("unexpected magic %08x\n", pRSAPubKey->magic);
2749         SetLastError(NTE_BAD_DATA);
2750         return FALSE;
2751     }
2752     if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2753             (pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4))))
2754     {
2755         DWORD expectedLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2756             (pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4));
2757
2758         ERR("blob too short for pub key: expect %d, got %d\n",
2759             expectedLen, dwDataLen);
2760         SetLastError(NTE_BAD_DATA);
2761         return FALSE;
2762     }
2763
2764     *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2765     if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2766     setup_key(pCryptKey);
2767     ret = import_private_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2768                                    pRSAPubKey->bitlen/8, dwDataLen, pRSAPubKey->pubexp);
2769     if (ret) {
2770         if (dwFlags & CRYPT_EXPORTABLE)
2771             pCryptKey->dwPermissions |= CRYPT_EXPORT;
2772         switch (pBlobHeader->aiKeyAlg)
2773         {
2774         case AT_SIGNATURE:
2775         case CALG_RSA_SIGN:
2776             TRACE("installing signing key\n");
2777             release_and_install_key(hProv, *phKey, &pKeyContainer->hSignatureKeyPair,
2778                                     fStoreKey);
2779             break;
2780         case AT_KEYEXCHANGE:
2781         case CALG_RSA_KEYX:
2782             TRACE("installing key exchange key\n");
2783             release_and_install_key(hProv, *phKey, &pKeyContainer->hKeyExchangeKeyPair,
2784                                     fStoreKey);
2785             break;
2786         }
2787     }
2788     return ret;
2789 }
2790
2791 /******************************************************************************
2792  * import_public_key [Internal]
2793  *
2794  * Import a BLOB'ed public key into a key container.
2795  *
2796  * PARAMS
2797  *  hProv     [I] Key container into which the public key is to be imported.
2798  *  pbData    [I] Pointer to a buffer which holds the public key BLOB.
2799  *  dwDataLen [I] Length of data in buffer at pbData.
2800  *  dwFlags   [I] One of:
2801  *                CRYPT_EXPORTABLE: the imported key is marked exportable
2802  *  fStoreKey [I] If TRUE, the imported key is stored to the registry.
2803  *  phKey     [O] Handle to the imported key.
2804  *
2805  *
2806  * NOTES
2807  *  Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2808  *  it's a PUBLICKEYBLOB.
2809  *
2810  * RETURNS
2811  *  Success: TRUE.
2812  *  Failure: FALSE.
2813  */
2814 static BOOL import_public_key(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
2815                               DWORD dwFlags, BOOL fStoreKey, HCRYPTKEY *phKey)
2816 {
2817     KEYCONTAINER *pKeyContainer;
2818     CRYPTKEY *pCryptKey;
2819     CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2820     CONST RSAPUBKEY *pRSAPubKey = (CONST RSAPUBKEY*)(pBlobHeader+1);
2821     ALG_ID algID;
2822     BOOL ret;
2823
2824     if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2825     {
2826         FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2827         SetLastError(NTE_BAD_FLAGS);
2828         return FALSE;
2829     }
2830     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2831                        (OBJECTHDR**)&pKeyContainer))
2832     {
2833         SetLastError(NTE_BAD_UID);
2834         return FALSE;
2835     }
2836
2837     if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2838         (pRSAPubKey->magic != RSAENH_MAGIC_RSA1) ||
2839         (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + (pRSAPubKey->bitlen >> 3)))
2840     {
2841         SetLastError(NTE_BAD_DATA);
2842         return FALSE;
2843     }
2844
2845     /* Since this is a public key blob, only the public key is
2846      * available, so only signature verification is possible.
2847      */
2848     algID = pBlobHeader->aiKeyAlg;
2849     *phKey = new_key(hProv, algID, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2850     if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2851     setup_key(pCryptKey);
2852     ret = import_public_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2853                                   pRSAPubKey->bitlen >> 3, pRSAPubKey->pubexp);
2854     if (ret) {
2855         if (dwFlags & CRYPT_EXPORTABLE)
2856             pCryptKey->dwPermissions |= CRYPT_EXPORT;
2857         switch (pBlobHeader->aiKeyAlg)
2858         {
2859         case AT_KEYEXCHANGE:
2860         case CALG_RSA_KEYX:
2861             TRACE("installing public key\n");
2862             release_and_install_key(hProv, *phKey, &pKeyContainer->hKeyExchangeKeyPair,
2863                                     fStoreKey);
2864             break;
2865         }
2866     }
2867     return ret;
2868 }
2869
2870 /******************************************************************************
2871  * import_symmetric_key [Internal]
2872  *
2873  * Import a BLOB'ed symmetric key into a key container.
2874  *
2875  * PARAMS
2876  *  hProv     [I] Key container into which the symmetric key is to be imported.
2877  *  pbData    [I] Pointer to a buffer which holds the symmetric key BLOB.
2878  *  dwDataLen [I] Length of data in buffer at pbData.
2879  *  hPubKey   [I] Key used to decrypt sensitive BLOB data.
2880  *  dwFlags   [I] One of:
2881  *                CRYPT_EXPORTABLE: the imported key is marked exportable
2882  *  phKey     [O] Handle to the imported key.
2883  *
2884  *
2885  * NOTES
2886  *  Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2887  *  it's a SIMPLEBLOB.
2888  *
2889  * RETURNS
2890  *  Success: TRUE.
2891  *  Failure: FALSE.
2892  */
2893 static BOOL import_symmetric_key(HCRYPTPROV hProv, CONST BYTE *pbData,
2894                                  DWORD dwDataLen, HCRYPTKEY hPubKey,
2895                                  DWORD dwFlags, HCRYPTKEY *phKey)
2896 {
2897     CRYPTKEY *pCryptKey, *pPubKey;
2898     CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2899     CONST ALG_ID *pAlgid = (CONST ALG_ID*)(pBlobHeader+1);
2900     CONST BYTE *pbKeyStream = (CONST BYTE*)(pAlgid + 1);
2901     BYTE *pbDecrypted;
2902     DWORD dwKeyLen;
2903
2904     if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2905     {
2906         FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2907         SetLastError(NTE_BAD_FLAGS);
2908         return FALSE;
2909     }
2910     if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey) ||
2911         pPubKey->aiAlgid != CALG_RSA_KEYX)
2912     {
2913         SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error code? */
2914         return FALSE;
2915     }
2916
2917     if (dwDataLen < sizeof(BLOBHEADER)+sizeof(ALG_ID)+pPubKey->dwBlockLen)
2918     {
2919         SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2920         return FALSE;
2921     }
2922
2923     pbDecrypted = HeapAlloc(GetProcessHeap(), 0, pPubKey->dwBlockLen);
2924     if (!pbDecrypted) return FALSE;
2925     encrypt_block_impl(pPubKey->aiAlgid, PK_PRIVATE, &pPubKey->context, pbKeyStream, pbDecrypted,
2926                        RSAENH_DECRYPT);
2927
2928     dwKeyLen = RSAENH_MAX_KEY_SIZE;
2929     if (!unpad_data(pbDecrypted, pPubKey->dwBlockLen, pbDecrypted, &dwKeyLen, dwFlags)) {
2930         HeapFree(GetProcessHeap(), 0, pbDecrypted);
2931         return FALSE;
2932     }
2933
2934     *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, dwKeyLen<<19, &pCryptKey);
2935     if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2936     {
2937         HeapFree(GetProcessHeap(), 0, pbDecrypted);
2938         return FALSE;
2939     }
2940     memcpy(pCryptKey->abKeyValue, pbDecrypted, dwKeyLen);
2941     HeapFree(GetProcessHeap(), 0, pbDecrypted);
2942     setup_key(pCryptKey);
2943     if (dwFlags & CRYPT_EXPORTABLE)
2944         pCryptKey->dwPermissions |= CRYPT_EXPORT;
2945     return TRUE;
2946 }
2947
2948 /******************************************************************************
2949  * import_plaintext_key [Internal]
2950  *
2951  * Import a plaintext key into a key container.
2952  *
2953  * PARAMS
2954  *  hProv     [I] Key container into which the symmetric key is to be imported.
2955  *  pbData    [I] Pointer to a buffer which holds the plaintext key BLOB.
2956  *  dwDataLen [I] Length of data in buffer at pbData.
2957  *  dwFlags   [I] One of:
2958  *                CRYPT_EXPORTABLE: the imported key is marked exportable
2959  *  phKey     [O] Handle to the imported key.
2960  *
2961  *
2962  * NOTES
2963  *  Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2964  *  it's a PLAINTEXTKEYBLOB.
2965  *
2966  * RETURNS
2967  *  Success: TRUE.
2968  *  Failure: FALSE.
2969  */
2970 static BOOL import_plaintext_key(HCRYPTPROV hProv, CONST BYTE *pbData,
2971                                  DWORD dwDataLen, DWORD dwFlags,
2972                                  HCRYPTKEY *phKey)
2973 {
2974     CRYPTKEY *pCryptKey;
2975     CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2976     CONST DWORD *pKeyLen = (CONST DWORD *)(pBlobHeader + 1);
2977     CONST BYTE *pbKeyStream = (CONST BYTE*)(pKeyLen + 1);
2978
2979     if (dwDataLen < sizeof(BLOBHEADER)+sizeof(DWORD)+*pKeyLen)
2980     {
2981         SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2982         return FALSE;
2983     }
2984
2985     if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2986     {
2987         *phKey = new_key(hProv, CALG_HMAC, 0, &pCryptKey);
2988         if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2989             return FALSE;
2990         if (*pKeyLen <= RSAENH_MIN(sizeof(pCryptKey->abKeyValue), RSAENH_HMAC_BLOCK_LEN))
2991         {
2992             memcpy(pCryptKey->abKeyValue, pbKeyStream, *pKeyLen);
2993             pCryptKey->dwKeyLen = *pKeyLen;
2994         }
2995         else
2996         {
2997             CRYPT_DATA_BLOB blobHmacKey = { *pKeyLen, (BYTE *)pbKeyStream };
2998
2999             /* In order to initialize an HMAC key, the key material is hashed,
3000              * and the output of the hash function is used as the key material.
3001              * Unfortunately, the way the Crypto API is designed, we don't know
3002              * the hash algorithm yet, so we have to copy the entire key
3003              * material.
3004              */
3005             if (!copy_data_blob(&pCryptKey->blobHmacKey, &blobHmacKey))
3006             {
3007                 release_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY);
3008                 *phKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
3009                 return FALSE;
3010             }
3011         }
3012         setup_key(pCryptKey);
3013         if (dwFlags & CRYPT_EXPORTABLE)
3014             pCryptKey->dwPermissions |= CRYPT_EXPORT;
3015     }
3016     else
3017     {
3018         *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, *pKeyLen<<19, &pCryptKey);
3019         if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
3020             return FALSE;
3021         memcpy(pCryptKey->abKeyValue, pbKeyStream, *pKeyLen);
3022         setup_key(pCryptKey);
3023         if (dwFlags & CRYPT_EXPORTABLE)
3024             pCryptKey->dwPermissions |= CRYPT_EXPORT;
3025     }
3026     return TRUE;
3027 }
3028
3029 /******************************************************************************
3030  * import_key [Internal]
3031  *
3032  * Import a BLOB'ed key into a key container, optionally storing the key's
3033  * value to the registry.
3034  *
3035  * PARAMS
3036  *  hProv     [I] Key container into which the key is to be imported.
3037  *  pbData    [I] Pointer to a buffer which holds the BLOB.
3038  *  dwDataLen [I] Length of data in buffer at pbData.
3039  *  hPubKey   [I] Key used to decrypt sensitive BLOB data.
3040  *  dwFlags   [I] One of:
3041  *                CRYPT_EXPORTABLE: the imported key is marked exportable
3042  *  fStoreKey [I] If TRUE, the imported key is stored to the registry.
3043  *  phKey     [O] Handle to the imported key.
3044  *
3045  * RETURNS
3046  *  Success: TRUE.
3047  *  Failure: FALSE.
3048  */
3049 static BOOL import_key(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
3050                        HCRYPTKEY hPubKey, DWORD dwFlags, BOOL fStoreKey,
3051                        HCRYPTKEY *phKey)
3052 {
3053     KEYCONTAINER *pKeyContainer;
3054     CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
3055
3056     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3057                        (OBJECTHDR**)&pKeyContainer))
3058     {
3059         SetLastError(NTE_BAD_UID);
3060         return FALSE;
3061     }
3062
3063     if (dwDataLen < sizeof(BLOBHEADER) ||
3064         pBlobHeader->bVersion != CUR_BLOB_VERSION ||
3065         pBlobHeader->reserved != 0)
3066     {
3067         TRACE("bVersion = %d, reserved = %d\n", pBlobHeader->bVersion,
3068               pBlobHeader->reserved);
3069         SetLastError(NTE_BAD_DATA);
3070         return FALSE;
3071     }
3072
3073     /* If this is a verify-only context, the key is not persisted regardless of
3074      * fStoreKey's original value.
3075      */
3076     fStoreKey = fStoreKey && !(dwFlags & CRYPT_VERIFYCONTEXT);
3077     TRACE("blob type: %x\n", pBlobHeader->bType);
3078     switch (pBlobHeader->bType)
3079     {
3080         case PRIVATEKEYBLOB:
3081             return import_private_key(hProv, pbData, dwDataLen, dwFlags,
3082                                       fStoreKey, phKey);
3083
3084         case PUBLICKEYBLOB:
3085             return import_public_key(hProv, pbData, dwDataLen, dwFlags,
3086                                      fStoreKey, phKey);
3087
3088         case SIMPLEBLOB:
3089             return import_symmetric_key(hProv, pbData, dwDataLen, hPubKey,
3090                                         dwFlags, phKey);
3091
3092         case PLAINTEXTKEYBLOB:
3093             return import_plaintext_key(hProv, pbData, dwDataLen, dwFlags,
3094                                         phKey);
3095
3096         default:
3097             SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
3098             return FALSE;
3099     }
3100 }
3101
3102 /******************************************************************************
3103  * CPImportKey (RSAENH.@)
3104  *
3105  * Import a BLOB'ed key into a key container.
3106  *
3107  * PARAMS
3108  *  hProv     [I] Key container into which the key is to be imported.
3109  *  pbData    [I] Pointer to a buffer which holds the BLOB.
3110  *  dwDataLen [I] Length of data in buffer at pbData.
3111  *  hPubKey   [I] Key used to decrypt sensitive BLOB data.
3112  *  dwFlags   [I] One of:
3113  *                CRYPT_EXPORTABLE: the imported key is marked exportable
3114  *  phKey     [O] Handle to the imported key.
3115  *
3116  * RETURNS
3117  *  Success: TRUE.
3118  *  Failure: FALSE.
3119  */
3120 BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
3121                                HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
3122 {
3123     TRACE("(hProv=%08lx, pbData=%p, dwDataLen=%d, hPubKey=%08lx, dwFlags=%08x, phKey=%p)\n",
3124         hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
3125
3126     return import_key(hProv, pbData, dwDataLen, hPubKey, dwFlags, TRUE, phKey);
3127 }
3128
3129 /******************************************************************************
3130  * CPGenKey (RSAENH.@)
3131  *
3132  * Generate a key in the key container
3133  *
3134  * PARAMS
3135  *  hProv   [I] Key container for which a key is to be generated.
3136  *  Algid   [I] Crypto algorithm identifier for the key to be generated.
3137  *  dwFlags [I] Upper 16 bits: Binary length of key. Lower 16 bits: Flags. See Notes
3138  *  phKey   [O] Handle to the generated key.
3139  *
3140  * RETURNS
3141  *  Success: TRUE.
3142  *  Failure: FALSE.
3143  *
3144  * FIXME
3145  *  Flags currently not considered.
3146  *
3147  * NOTES
3148  *  Private key-exchange- and signature-keys can be generated with Algid AT_KEYEXCHANGE
3149  *  and AT_SIGNATURE values.
3150  */
3151 BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
3152 {
3153     KEYCONTAINER *pKeyContainer;
3154     CRYPTKEY *pCryptKey;
3155
3156     TRACE("(hProv=%08lx, aiAlgid=%d, dwFlags=%08x, phKey=%p)\n", hProv, Algid, dwFlags, phKey);
3157
3158     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3159                        (OBJECTHDR**)&pKeyContainer))
3160     {
3161         /* MSDN: hProv not containing valid context handle */
3162         SetLastError(NTE_BAD_UID);
3163         return FALSE;
3164     }
3165
3166     switch (Algid)
3167     {
3168         case AT_SIGNATURE:
3169         case CALG_RSA_SIGN:
3170             *phKey = new_key(hProv, CALG_RSA_SIGN, dwFlags, &pCryptKey);
3171             if (pCryptKey) {
3172                 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
3173                 setup_key(pCryptKey);
3174                 release_and_install_key(hProv, *phKey,
3175                                         &pKeyContainer->hSignatureKeyPair,
3176                                         FALSE);
3177             }
3178             break;
3179
3180         case AT_KEYEXCHANGE:
3181         case CALG_RSA_KEYX:
3182             *phKey = new_key(hProv, CALG_RSA_KEYX, dwFlags, &pCryptKey);
3183             if (pCryptKey) {
3184                 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
3185                 setup_key(pCryptKey);
3186                 release_and_install_key(hProv, *phKey,
3187                                         &pKeyContainer->hKeyExchangeKeyPair,
3188                                         FALSE);
3189             }
3190             break;
3191
3192         case CALG_RC2:
3193         case CALG_RC4:
3194         case CALG_DES:
3195         case CALG_3DES_112:
3196         case CALG_3DES:
3197         case CALG_AES:
3198         case CALG_AES_128:
3199         case CALG_AES_192:
3200         case CALG_AES_256:
3201         case CALG_PCT1_MASTER:
3202         case CALG_SSL2_MASTER:
3203         case CALG_SSL3_MASTER:
3204         case CALG_TLS1_MASTER:
3205             *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3206             if (pCryptKey) {
3207                 gen_rand_impl(pCryptKey->abKeyValue, RSAENH_MAX_KEY_SIZE);
3208                 switch (Algid) {
3209                     case CALG_SSL3_MASTER:
3210                         pCryptKey->abKeyValue[0] = RSAENH_SSL3_VERSION_MAJOR;
3211                         pCryptKey->abKeyValue[1] = RSAENH_SSL3_VERSION_MINOR;
3212                         break;
3213
3214                     case CALG_TLS1_MASTER:
3215                         pCryptKey->abKeyValue[0] = RSAENH_TLS1_VERSION_MAJOR;
3216                         pCryptKey->abKeyValue[1] = RSAENH_TLS1_VERSION_MINOR;
3217                         break;
3218                 }
3219                 setup_key(pCryptKey);
3220             }
3221             break;
3222
3223         default:
3224             /* MSDN: Algorithm not supported specified by Algid */
3225             SetLastError(NTE_BAD_ALGID);
3226             return FALSE;
3227     }
3228
3229     return *phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE;
3230 }
3231
3232 /******************************************************************************
3233  * CPGenRandom (RSAENH.@)
3234  *
3235  * Generate a random byte stream.
3236  *
3237  * PARAMS
3238  *  hProv    [I] Key container that is used to generate random bytes.
3239  *  dwLen    [I] Specifies the number of requested random data bytes.
3240  *  pbBuffer [O] Random bytes will be stored here.
3241  *
3242  * RETURNS
3243  *  Success: TRUE
3244  *  Failure: FALSE
3245  */
3246 BOOL WINAPI RSAENH_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
3247 {
3248     TRACE("(hProv=%08lx, dwLen=%d, pbBuffer=%p)\n", hProv, dwLen, pbBuffer);
3249
3250     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3251     {
3252         /* MSDN: hProv not containing valid context handle */
3253         SetLastError(NTE_BAD_UID);
3254         return FALSE;
3255     }
3256
3257     return gen_rand_impl(pbBuffer, dwLen);
3258 }
3259
3260 /******************************************************************************
3261  * CPGetHashParam (RSAENH.@)
3262  *
3263  * Query parameters of an hash object.
3264  *
3265  * PARAMS
3266  *  hProv      [I]   The kea container, which the hash belongs to.
3267  *  hHash      [I]   The hash object that is to be queried.
3268  *  dwParam    [I]   Specifies the parameter that is to be queried.
3269  *  pbData     [I]   Pointer to the buffer where the parameter value will be stored.
3270  *  pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3271  *  dwFlags    [I]   None currently defined.
3272  *
3273  * RETURNS
3274  *  Success: TRUE
3275  *  Failure: FALSE
3276  *
3277  * NOTES
3278  *  Valid dwParams are: HP_ALGID, HP_HASHSIZE, HP_HASHVALUE. The hash will be
3279  *  finalized if HP_HASHVALUE is queried.
3280  */
3281 BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
3282                                   DWORD *pdwDataLen, DWORD dwFlags)
3283 {
3284     CRYPTHASH *pCryptHash;
3285
3286     TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
3287         hProv, hHash, dwParam, pbData, pdwDataLen, dwFlags);
3288
3289     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3290     {
3291         SetLastError(NTE_BAD_UID);
3292         return FALSE;
3293     }
3294
3295     if (dwFlags)
3296     {
3297         SetLastError(NTE_BAD_FLAGS);
3298         return FALSE;
3299     }
3300
3301     if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
3302                        (OBJECTHDR**)&pCryptHash))
3303     {
3304         SetLastError(NTE_BAD_HASH);
3305         return FALSE;
3306     }
3307
3308     if (!pdwDataLen)
3309     {
3310         SetLastError(ERROR_INVALID_PARAMETER);
3311         return FALSE;
3312     }
3313
3314     switch (dwParam)
3315     {
3316         case HP_ALGID:
3317             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->aiAlgid,
3318                               sizeof(ALG_ID));
3319
3320         case HP_HASHSIZE:
3321             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->dwHashSize,
3322                               sizeof(DWORD));
3323
3324         case HP_HASHVAL:
3325             if (pCryptHash->aiAlgid == CALG_TLS1PRF) {
3326                 return tls1_prf(hProv, pCryptHash->hKey, &pCryptHash->tpPRFParams.blobLabel,
3327                                 &pCryptHash->tpPRFParams.blobSeed, pbData, *pdwDataLen);
3328             }
3329
3330             if ( pbData == NULL ) {
3331                 *pdwDataLen = pCryptHash->dwHashSize;
3332                 return TRUE;
3333             }
3334
3335             if (pbData && (pCryptHash->dwState != RSAENH_HASHSTATE_FINISHED))
3336             {
3337                 finalize_hash(pCryptHash);
3338                 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
3339             }
3340
3341             return copy_param(pbData, pdwDataLen, pCryptHash->abHashValue,
3342                               pCryptHash->dwHashSize);
3343
3344         default:
3345             SetLastError(NTE_BAD_TYPE);
3346             return FALSE;
3347     }
3348 }
3349
3350 /******************************************************************************
3351  * CPSetKeyParam (RSAENH.@)
3352  *
3353  * Set a parameter of a key object
3354  *
3355  * PARAMS
3356  *  hProv   [I] The key container to which the key belongs.
3357  *  hKey    [I] The key for which a parameter is to be set.
3358  *  dwParam [I] Parameter type. See Notes.
3359  *  pbData  [I] Pointer to the parameter value.
3360  *  dwFlags [I] Currently none defined.
3361  *
3362  * RETURNS
3363  *  Success: TRUE.
3364  *  Failure: FALSE.
3365  *
3366  * NOTES:
3367  *  Defined dwParam types are:
3368  *   - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
3369  *   - KP_MODE_BITS: Shift width for cipher feedback mode. (Currently ignored by MS CSP's)
3370  *   - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
3371  *                     CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
3372  *   - KP_IV: Initialization vector
3373  */
3374 BOOL WINAPI RSAENH_CPSetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
3375                                  DWORD dwFlags)
3376 {
3377     CRYPTKEY *pCryptKey;
3378
3379     TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, hKey,
3380           dwParam, pbData, dwFlags);
3381
3382     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3383     {
3384         SetLastError(NTE_BAD_UID);
3385         return FALSE;
3386     }
3387
3388     if (dwFlags) {
3389         SetLastError(NTE_BAD_FLAGS);
3390         return FALSE;
3391     }
3392
3393     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
3394     {
3395         SetLastError(NTE_BAD_KEY);
3396         return FALSE;
3397     }
3398
3399     switch (dwParam) {
3400         case KP_PADDING:
3401             /* The MS providers only support PKCS5_PADDING */
3402             if (*(DWORD *)pbData != PKCS5_PADDING) {
3403                 SetLastError(NTE_BAD_DATA);
3404                 return FALSE;
3405             }
3406             return TRUE;
3407
3408         case KP_MODE:
3409             pCryptKey->dwMode = *(DWORD*)pbData;
3410             return TRUE;
3411
3412         case KP_MODE_BITS:
3413             pCryptKey->dwModeBits = *(DWORD*)pbData;
3414             return TRUE;
3415
3416         case KP_PERMISSIONS:
3417         {
3418             DWORD perms = *(DWORD *)pbData;
3419
3420             if ((perms & CRYPT_EXPORT) &&
3421                 !(pCryptKey->dwPermissions & CRYPT_EXPORT))
3422             {
3423                 SetLastError(NTE_BAD_DATA);
3424                 return FALSE;
3425             }
3426             else if (!(perms & CRYPT_EXPORT) &&
3427                 (pCryptKey->dwPermissions & CRYPT_EXPORT))
3428             {
3429                 /* Clearing the export permission appears to be ignored,
3430                  * see tests.
3431                  */
3432                 perms |= CRYPT_EXPORT;
3433             }
3434             pCryptKey->dwPermissions = perms;
3435             return TRUE;
3436         }
3437
3438         case KP_IV:
3439             memcpy(pCryptKey->abInitVector, pbData, pCryptKey->dwBlockLen);
3440             setup_key(pCryptKey);
3441             return TRUE;
3442
3443         case KP_SALT:
3444             switch (pCryptKey->aiAlgid) {
3445                 case CALG_RC2:
3446                 case CALG_RC4:
3447                     if (!pbData)
3448                     {
3449                         SetLastError(ERROR_INVALID_PARAMETER);
3450                         return FALSE;
3451                     }
3452                     /* MSDN: the base provider always sets eleven bytes of
3453                      * salt value.
3454                      */
3455                     memcpy(pCryptKey->abKeyValue + pCryptKey->dwKeyLen,
3456                            pbData, 11);
3457                     pCryptKey->dwSaltLen = 11;
3458                     setup_key(pCryptKey);
3459                     /* Strange but true: salt length reset to 0 after setting
3460                      * it via KP_SALT.
3461                      */
3462                     pCryptKey->dwSaltLen = 0;
3463                     break;
3464                 default:
3465                     SetLastError(NTE_BAD_KEY);
3466                     return FALSE;
3467             }
3468             return TRUE;
3469
3470         case KP_SALT_EX:
3471         {
3472             CRYPT_INTEGER_BLOB *blob = (CRYPT_INTEGER_BLOB *)pbData;
3473
3474             /* salt length can't be greater than 184 bits = 24 bytes */
3475             if (blob->cbData > 24)
3476             {
3477                 SetLastError(NTE_BAD_DATA);
3478                 return FALSE;
3479             }
3480             memcpy(pCryptKey->abKeyValue + pCryptKey->dwKeyLen, blob->pbData,
3481                    blob->cbData);
3482             pCryptKey->dwSaltLen = blob->cbData;
3483             setup_key(pCryptKey);
3484             return TRUE;
3485         }
3486
3487         case KP_EFFECTIVE_KEYLEN:
3488             switch (pCryptKey->aiAlgid) {
3489                 case CALG_RC2:
3490                     if (!pbData)
3491                     {
3492                         SetLastError(ERROR_INVALID_PARAMETER);
3493                         return FALSE;
3494                     }
3495                     else if (!*(DWORD *)pbData || *(DWORD *)pbData > 1024)
3496                     {
3497                         SetLastError(NTE_BAD_DATA);
3498                         return FALSE;
3499                     }
3500                     else
3501                     {
3502                         pCryptKey->dwEffectiveKeyLen = *(DWORD *)pbData;
3503                         setup_key(pCryptKey);
3504                     }
3505                     break;
3506                 default:
3507                     SetLastError(NTE_BAD_TYPE);
3508                     return FALSE;
3509             }
3510             return TRUE;
3511
3512         case KP_SCHANNEL_ALG:
3513             switch (((PSCHANNEL_ALG)pbData)->dwUse) {
3514                 case SCHANNEL_ENC_KEY:
3515                     memcpy(&pCryptKey->siSChannelInfo.saEncAlg, pbData, sizeof(SCHANNEL_ALG));
3516                     break;
3517
3518                 case SCHANNEL_MAC_KEY:
3519                     memcpy(&pCryptKey->siSChannelInfo.saMACAlg, pbData, sizeof(SCHANNEL_ALG));
3520                     break;
3521
3522                 default:
3523                     SetLastError(NTE_FAIL); /* FIXME: error code */
3524                     return FALSE;
3525             }
3526             return TRUE;
3527
3528         case KP_CLIENT_RANDOM:
3529             return copy_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom, (PCRYPT_DATA_BLOB)pbData);
3530
3531         case KP_SERVER_RANDOM:
3532             return copy_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom, (PCRYPT_DATA_BLOB)pbData);
3533
3534         default:
3535             SetLastError(NTE_BAD_TYPE);
3536             return FALSE;
3537     }
3538 }
3539
3540 /******************************************************************************
3541  * CPGetKeyParam (RSAENH.@)
3542  *
3543  * Query a key parameter.
3544  *
3545  * PARAMS
3546  *  hProv      [I]   The key container, which the key belongs to.
3547  *  hHash      [I]   The key object that is to be queried.
3548  *  dwParam    [I]   Specifies the parameter that is to be queried.
3549  *  pbData     [I]   Pointer to the buffer where the parameter value will be stored.
3550  *  pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3551  *  dwFlags    [I]   None currently defined.
3552  *
3553  * RETURNS
3554  *  Success: TRUE
3555  *  Failure: FALSE
3556  *
3557  * NOTES
3558  *  Defined dwParam types are:
3559  *   - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
3560  *   - KP_MODE_BITS: Shift width for cipher feedback mode.
3561  *                   (Currently ignored by MS CSP's - always eight)
3562  *   - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
3563  *                     CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
3564  *   - KP_IV: Initialization vector.
3565  *   - KP_KEYLEN: Bitwidth of the key.
3566  *   - KP_BLOCKLEN: Size of a block cipher block.
3567  *   - KP_SALT: Salt value.
3568  */
3569 BOOL WINAPI RSAENH_CPGetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
3570                                  DWORD *pdwDataLen, DWORD dwFlags)
3571 {
3572     CRYPTKEY *pCryptKey;
3573     DWORD dwValue;
3574
3575     TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p dwFlags=%08x)\n",
3576           hProv, hKey, dwParam, pbData, pdwDataLen, dwFlags);
3577
3578     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3579     {
3580         SetLastError(NTE_BAD_UID);
3581         return FALSE;
3582     }
3583
3584     if (dwFlags) {
3585         SetLastError(NTE_BAD_FLAGS);
3586         return FALSE;
3587     }
3588
3589     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
3590     {
3591         SetLastError(NTE_BAD_KEY);
3592         return FALSE;
3593     }
3594
3595     switch (dwParam)
3596     {
3597         case KP_IV:
3598             return copy_param(pbData, pdwDataLen, pCryptKey->abInitVector,
3599                               pCryptKey->dwBlockLen);
3600
3601         case KP_SALT:
3602             switch (pCryptKey->aiAlgid) {
3603                 case CALG_RC2:
3604                 case CALG_RC4:
3605                     return copy_param(pbData, pdwDataLen,
3606                             &pCryptKey->abKeyValue[pCryptKey->dwKeyLen],
3607                             pCryptKey->dwSaltLen);
3608                 default:
3609                     SetLastError(NTE_BAD_KEY);
3610                     return FALSE;
3611             }
3612
3613         case KP_PADDING:
3614             dwValue = PKCS5_PADDING;
3615             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwValue, sizeof(DWORD));
3616
3617         case KP_KEYLEN:
3618             dwValue = pCryptKey->dwKeyLen << 3;
3619             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwValue, sizeof(DWORD));
3620
3621         case KP_EFFECTIVE_KEYLEN:
3622             if (pCryptKey->dwEffectiveKeyLen)
3623                 dwValue = pCryptKey->dwEffectiveKeyLen;
3624             else
3625                 dwValue = pCryptKey->dwKeyLen << 3;
3626             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwValue, sizeof(DWORD));
3627
3628         case KP_BLOCKLEN:
3629             dwValue = pCryptKey->dwBlockLen << 3;
3630             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwValue, sizeof(DWORD));
3631
3632         case KP_MODE:
3633             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwMode, sizeof(DWORD));
3634
3635         case KP_MODE_BITS:
3636             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwModeBits,
3637                               sizeof(DWORD));
3638
3639         case KP_PERMISSIONS:
3640             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwPermissions,
3641                               sizeof(DWORD));
3642
3643         case KP_ALGID:
3644             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->aiAlgid, sizeof(DWORD));
3645
3646         default:
3647             SetLastError(NTE_BAD_TYPE);
3648             return FALSE;
3649     }
3650 }
3651
3652 /******************************************************************************
3653  * CPGetProvParam (RSAENH.@)
3654  *
3655  * Query a CSP parameter.
3656  *
3657  * PARAMS
3658  *  hProv      [I]   The key container that is to be queried.
3659  *  dwParam    [I]   Specifies the parameter that is to be queried.
3660  *  pbData     [I]   Pointer to the buffer where the parameter value will be stored.
3661  *  pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3662  *  dwFlags    [I]   CRYPT_FIRST: Start enumeration (for PP_ENUMALGS{_EX}).
3663  *
3664  * RETURNS
3665  *  Success: TRUE
3666  *  Failure: FALSE
3667  * NOTES:
3668  *  Defined dwParam types:
3669  *   - PP_CONTAINER: Name of the key container.
3670  *   - PP_NAME: Name of the cryptographic service provider.
3671  *   - PP_SIG_KEYSIZE_INC: RSA signature keywidth granularity in bits.
3672  *   - PP_KEYX_KEYSIZE_INC: RSA key-exchange keywidth granularity in bits.
3673  *   - PP_ENUMALGS{_EX}: Query provider capabilities.
3674  */
3675 BOOL WINAPI RSAENH_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
3676                                   DWORD *pdwDataLen, DWORD dwFlags)
3677 {
3678     KEYCONTAINER *pKeyContainer;
3679     PROV_ENUMALGS provEnumalgs;
3680     DWORD dwTemp;
3681     HKEY hKey;
3682
3683     /* This is for dwParam PP_CRYPT_COUNT_KEY_USE.
3684      * IE6 SP1 asks for it in the 'About' dialog.
3685      * Returning this BLOB seems to satisfy IE. The marked 0x00 seem
3686      * to be 'don't care's. If you know anything more specific about
3687      * this provider parameter, please report to wine-devel@winehq.org */
3688     static CONST BYTE abWTF[96] = {
3689         0xb0, 0x25,     0x63,     0x86, 0x9c, 0xab,     0xb6,     0x37,
3690         0xe8, 0x82, /**/0x00,/**/ 0x72, 0x06, 0xb2, /**/0x00,/**/ 0x3b,
3691         0x60, 0x35, /**/0x00,/**/ 0x3b, 0x88, 0xce, /**/0x00,/**/ 0x82,
3692         0xbc, 0x7a, /**/0x00,/**/ 0xb7, 0x4f, 0x7e, /**/0x00,/**/ 0xde,
3693         0x92, 0xf1, /**/0x00,/**/ 0x83, 0xea, 0x5e, /**/0x00,/**/ 0xc8,
3694         0x12, 0x1e,     0xd4,     0x06, 0xf7, 0x66, /**/0x00,/**/ 0x01,
3695         0x29, 0xa4, /**/0x00,/**/ 0xf8, 0x24, 0x0c, /**/0x00,/**/ 0x33,
3696         0x06, 0x80, /**/0x00,/**/ 0x02, 0x46, 0x0b, /**/0x00,/**/ 0x6d,
3697         0x5b, 0xca, /**/0x00,/**/ 0x9a, 0x10, 0xf0, /**/0x00,/**/ 0x05,
3698         0x19, 0xd0, /**/0x00,/**/ 0x2c, 0xf6, 0x27, /**/0x00,/**/ 0xaa,
3699         0x7c, 0x6f, /**/0x00,/**/ 0xb9, 0xd8, 0x72, /**/0x00,/**/ 0x03,
3700         0xf3, 0x81, /**/0x00,/**/ 0xfa, 0xe8, 0x26, /**/0x00,/**/ 0xca
3701     };
3702
3703     TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
3704            hProv, dwParam, pbData, pdwDataLen, dwFlags);
3705
3706     if (!pdwDataLen) {
3707         SetLastError(ERROR_INVALID_PARAMETER);
3708         return FALSE;
3709     }
3710
3711     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3712                        (OBJECTHDR**)&pKeyContainer))
3713     {
3714         /* MSDN: hProv not containing valid context handle */
3715         SetLastError(NTE_BAD_UID);
3716         return FALSE;
3717     }
3718
3719     switch (dwParam)
3720     {
3721         case PP_CONTAINER:
3722         case PP_UNIQUE_CONTAINER:/* MSDN says we can return the same value as PP_CONTAINER */
3723             return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szName,
3724                               strlen(pKeyContainer->szName)+1);
3725
3726         case PP_NAME:
3727             return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szProvName,
3728                               strlen(pKeyContainer->szProvName)+1);
3729
3730         case PP_PROVTYPE:
3731             dwTemp = PROV_RSA_FULL;
3732             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3733
3734         case PP_KEYSPEC:
3735             dwTemp = AT_SIGNATURE | AT_KEYEXCHANGE;
3736             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3737
3738         case PP_KEYSET_TYPE:
3739             dwTemp = pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET;
3740             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3741
3742         case PP_KEYSTORAGE:
3743             dwTemp = CRYPT_SEC_DESCR;
3744             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3745
3746         case PP_SIG_KEYSIZE_INC:
3747         case PP_KEYX_KEYSIZE_INC:
3748             dwTemp = 8;
3749             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3750
3751         case PP_IMPTYPE:
3752             dwTemp = CRYPT_IMPL_SOFTWARE;
3753             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3754
3755         case PP_VERSION:
3756             dwTemp = 0x00000200;
3757             return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
3758
3759         case PP_ENUMCONTAINERS:
3760             if ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) pKeyContainer->dwEnumContainersCtr = 0;
3761
3762             if (!pbData) {
3763                 *pdwDataLen = (DWORD)MAX_PATH + 1;
3764                 return TRUE;
3765             }
3766
3767             if (!open_container_key("", dwFlags, &hKey))
3768             {
3769                 SetLastError(ERROR_NO_MORE_ITEMS);
3770                 return FALSE;
3771             }
3772
3773             dwTemp = *pdwDataLen;
3774             switch (RegEnumKeyExA(hKey, pKeyContainer->dwEnumContainersCtr, (LPSTR)pbData, &dwTemp,
3775                     NULL, NULL, NULL, NULL))
3776             {
3777                 case ERROR_MORE_DATA:
3778                     *pdwDataLen = (DWORD)MAX_PATH + 1;
3779
3780                 case ERROR_SUCCESS:
3781                     pKeyContainer->dwEnumContainersCtr++;
3782                     RegCloseKey(hKey);
3783                     return TRUE;
3784
3785                 case ERROR_NO_MORE_ITEMS:
3786                 default:
3787                     SetLastError(ERROR_NO_MORE_ITEMS);
3788                     RegCloseKey(hKey);
3789                     return FALSE;
3790             }
3791
3792         case PP_ENUMALGS:
3793         case PP_ENUMALGS_EX:
3794             if (((pKeyContainer->dwEnumAlgsCtr >= RSAENH_MAX_ENUMALGS-1) ||
3795                  (!aProvEnumAlgsEx[pKeyContainer->dwPersonality]
3796                    [pKeyContainer->dwEnumAlgsCtr+1].aiAlgid)) &&
3797                 ((dwFlags & CRYPT_FIRST) != CRYPT_FIRST))
3798             {
3799                 SetLastError(ERROR_NO_MORE_ITEMS);
3800                 return FALSE;
3801             }
3802
3803             if (dwParam == PP_ENUMALGS) {
3804                 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS)))
3805                     pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3806                         0 : pKeyContainer->dwEnumAlgsCtr+1;
3807
3808                 provEnumalgs.aiAlgid = aProvEnumAlgsEx
3809                     [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].aiAlgid;
3810                 provEnumalgs.dwBitLen = aProvEnumAlgsEx
3811                     [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwDefaultLen;
3812                 provEnumalgs.dwNameLen = aProvEnumAlgsEx
3813                     [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwNameLen;
3814                 memcpy(provEnumalgs.szName, aProvEnumAlgsEx
3815                        [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].szName,
3816                        20*sizeof(CHAR));
3817
3818                 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&provEnumalgs,
3819                                   sizeof(PROV_ENUMALGS));
3820             } else {
3821                 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS_EX)))
3822                     pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3823                         0 : pKeyContainer->dwEnumAlgsCtr+1;
3824
3825                 return copy_param(pbData, pdwDataLen,
3826                                   (CONST BYTE*)&aProvEnumAlgsEx
3827                                       [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr],
3828                                   sizeof(PROV_ENUMALGS_EX));
3829             }
3830
3831         case PP_CRYPT_COUNT_KEY_USE: /* Asked for by IE About dialog */
3832             return copy_param(pbData, pdwDataLen, abWTF, sizeof(abWTF));
3833
3834         default:
3835             /* MSDN: Unknown parameter number in dwParam */
3836             SetLastError(NTE_BAD_TYPE);
3837             return FALSE;
3838     }
3839 }
3840
3841 /******************************************************************************
3842  * CPDeriveKey (RSAENH.@)
3843  *
3844  * Derives a key from a hash value.
3845  *
3846  * PARAMS
3847  *  hProv     [I] Key container for which a key is to be generated.
3848  *  Algid     [I] Crypto algorithm identifier for the key to be generated.
3849  *  hBaseData [I] Hash from whose value the key will be derived.
3850  *  dwFlags   [I] See Notes.
3851  *  phKey     [O] The generated key.
3852  *
3853  * RETURNS
3854  *  Success: TRUE
3855  *  Failure: FALSE
3856  *
3857  * NOTES
3858  *  Defined flags:
3859  *   - CRYPT_EXPORTABLE: Key can be exported.
3860  *   - CRYPT_NO_SALT: No salt is used for 40 bit keys.
3861  *   - CRYPT_CREATE_SALT: Use remaining bits as salt value.
3862  */
3863 BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
3864                                DWORD dwFlags, HCRYPTKEY *phKey)
3865 {
3866     CRYPTKEY *pCryptKey, *pMasterKey;
3867     CRYPTHASH *pCryptHash;
3868     BYTE abHashValue[RSAENH_MAX_HASH_SIZE*2];
3869     DWORD dwLen;
3870
3871     TRACE("(hProv=%08lx, Algid=%d, hBaseData=%08lx, dwFlags=%08x phKey=%p)\n", hProv, Algid,
3872            hBaseData, dwFlags, phKey);
3873
3874     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3875     {
3876         SetLastError(NTE_BAD_UID);
3877         return FALSE;
3878     }
3879
3880     if (!lookup_handle(&handle_table, hBaseData, RSAENH_MAGIC_HASH,
3881                        (OBJECTHDR**)&pCryptHash))
3882     {
3883         SetLastError(NTE_BAD_HASH);
3884         return FALSE;
3885     }
3886
3887     if (!phKey)
3888     {
3889         SetLastError(ERROR_INVALID_PARAMETER);
3890         return FALSE;
3891     }
3892
3893     switch (GET_ALG_CLASS(Algid))
3894     {
3895         case ALG_CLASS_DATA_ENCRYPT:
3896             *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3897             if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3898
3899             /*
3900              * We derive the key material from the hash.
3901              * If the hash value is not large enough for the claimed key, we have to construct
3902              * a larger binary value based on the hash. This is documented in MSDN: CryptDeriveKey.
3903              */
3904             dwLen = RSAENH_MAX_HASH_SIZE;
3905             RSAENH_CPGetHashParam(pCryptHash->hProv, hBaseData, HP_HASHVAL, abHashValue, &dwLen, 0);
3906
3907             if (dwLen < pCryptKey->dwKeyLen) {
3908                 BYTE pad1[RSAENH_HMAC_DEF_PAD_LEN], pad2[RSAENH_HMAC_DEF_PAD_LEN];
3909                 BYTE old_hashval[RSAENH_MAX_HASH_SIZE];
3910                 DWORD i;
3911
3912                 memcpy(old_hashval, pCryptHash->abHashValue, RSAENH_MAX_HASH_SIZE);
3913
3914                 for (i=0; i<RSAENH_HMAC_DEF_PAD_LEN; i++) {
3915                     pad1[i] = RSAENH_HMAC_DEF_IPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3916                     pad2[i] = RSAENH_HMAC_DEF_OPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3917                 }
3918
3919                 init_hash(pCryptHash);
3920                 update_hash(pCryptHash, pad1, RSAENH_HMAC_DEF_PAD_LEN);
3921                 finalize_hash(pCryptHash);
3922                 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
3923
3924                 init_hash(pCryptHash);
3925                 update_hash(pCryptHash, pad2, RSAENH_HMAC_DEF_PAD_LEN);
3926                 finalize_hash(pCryptHash);
3927                 memcpy(abHashValue+pCryptHash->dwHashSize, pCryptHash->abHashValue,
3928                        pCryptHash->dwHashSize);
3929
3930                 memcpy(pCryptHash->abHashValue, old_hashval, RSAENH_MAX_HASH_SIZE);
3931             }
3932
3933             memcpy(pCryptKey->abKeyValue, abHashValue,
3934                    RSAENH_MIN(pCryptKey->dwKeyLen, sizeof(pCryptKey->abKeyValue)));
3935             break;
3936
3937         case ALG_CLASS_MSG_ENCRYPT:
3938             if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3939                                (OBJECTHDR**)&pMasterKey))
3940             {
3941                 SetLastError(NTE_FAIL); /* FIXME error code */
3942                 return FALSE;
3943             }
3944
3945             switch (Algid)
3946             {
3947                 /* See RFC 2246, chapter 6.3 Key calculation */
3948                 case CALG_SCHANNEL_ENC_KEY:
3949                     if (!pMasterKey->siSChannelInfo.saEncAlg.Algid ||
3950                         !pMasterKey->siSChannelInfo.saEncAlg.cBits)
3951                     {
3952                         SetLastError(NTE_BAD_FLAGS);
3953                         return FALSE;
3954                     }
3955                     *phKey = new_key(hProv, pMasterKey->siSChannelInfo.saEncAlg.Algid,
3956                                      MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saEncAlg.cBits),
3957                                      &pCryptKey);
3958                     if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3959                     memcpy(pCryptKey->abKeyValue,
3960                            pCryptHash->abHashValue + (
3961                                2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3962                                ((dwFlags & CRYPT_SERVER) ?
3963                                    (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) : 0)),
3964                            pMasterKey->siSChannelInfo.saEncAlg.cBits / 8);
3965                     memcpy(pCryptKey->abInitVector,
3966                            pCryptHash->abHashValue + (
3967                                2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3968                                2 * (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) +
3969                                ((dwFlags & CRYPT_SERVER) ? pCryptKey->dwBlockLen : 0)),
3970                            pCryptKey->dwBlockLen);
3971                     break;
3972
3973                 case CALG_SCHANNEL_MAC_KEY:
3974                     *phKey = new_key(hProv, Algid,
3975                                      MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saMACAlg.cBits),
3976                                      &pCryptKey);
3977                     if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3978                     memcpy(pCryptKey->abKeyValue,
3979                            pCryptHash->abHashValue + ((dwFlags & CRYPT_SERVER) ?
3980                                pMasterKey->siSChannelInfo.saMACAlg.cBits / 8 : 0),
3981                            pMasterKey->siSChannelInfo.saMACAlg.cBits / 8);
3982                     break;
3983
3984                 default:
3985                     SetLastError(NTE_BAD_ALGID);
3986                     return FALSE;
3987             }
3988             break;
3989
3990         default:
3991             SetLastError(NTE_BAD_ALGID);
3992             return FALSE;
3993     }
3994
3995     setup_key(pCryptKey);
3996     return TRUE;
3997 }
3998
3999 /******************************************************************************
4000  * CPGetUserKey (RSAENH.@)
4001  *
4002  * Returns a handle to the user's private key-exchange- or signature-key.
4003  *
4004  * PARAMS
4005  *  hProv     [I] The key container from which a user key is requested.
4006  *  dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
4007  *  phUserKey [O] Handle to the requested key or INVALID_HANDLE_VALUE in case of failure.
4008  *
4009  * RETURNS
4010  *  Success: TRUE.
4011  *  Failure: FALSE.
4012  *
4013  * NOTE
4014  *  A newly created key container does not contain private user key. Create them with CPGenKey.
4015  */
4016 BOOL WINAPI RSAENH_CPGetUserKey(HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
4017 {
4018     KEYCONTAINER *pKeyContainer;
4019
4020     TRACE("(hProv=%08lx, dwKeySpec=%08x, phUserKey=%p)\n", hProv, dwKeySpec, phUserKey);
4021
4022     if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
4023                        (OBJECTHDR**)&pKeyContainer))
4024     {
4025         /* MSDN: hProv not containing valid context handle */
4026         SetLastError(NTE_BAD_UID);
4027         return FALSE;
4028     }
4029
4030     switch (dwKeySpec)
4031     {
4032         case AT_KEYEXCHANGE:
4033             copy_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
4034                         phUserKey);
4035             break;
4036
4037         case AT_SIGNATURE:
4038             copy_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
4039                         phUserKey);
4040             break;
4041
4042         default:
4043             *phUserKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
4044     }
4045
4046     if (*phUserKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
4047     {
4048         /* MSDN: dwKeySpec parameter specifies nonexistent key */
4049         SetLastError(NTE_NO_KEY);
4050         return FALSE;
4051     }
4052
4053     return TRUE;
4054 }
4055
4056 /******************************************************************************
4057  * CPHashData (RSAENH.@)
4058  *
4059  * Updates a hash object with the given data.
4060  *
4061  * PARAMS
4062  *  hProv     [I] Key container to which the hash object belongs.
4063  *  hHash     [I] Hash object which is to be updated.
4064  *  pbData    [I] Pointer to data with which the hash object is to be updated.
4065  *  dwDataLen [I] Length of the data.
4066  *  dwFlags   [I] Currently none defined.
4067  *
4068  * RETURNS
4069  *  Success: TRUE.
4070  *  Failure: FALSE.
4071  *
4072  * NOTES
4073  *  The actual hash value is queried with CPGetHashParam, which will finalize
4074  *  the hash. Updating a finalized hash will fail with a last error NTE_BAD_HASH_STATE.
4075  */
4076 BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbData,
4077                               DWORD dwDataLen, DWORD dwFlags)
4078 {
4079     CRYPTHASH *pCryptHash;
4080
4081     TRACE("(hProv=%08lx, hHash=%08lx, pbData=%p, dwDataLen=%d, dwFlags=%08x)\n",
4082           hProv, hHash, pbData, dwDataLen, dwFlags);
4083
4084     if (dwFlags)
4085     {
4086         SetLastError(NTE_BAD_FLAGS);
4087         return FALSE;
4088     }
4089
4090     if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
4091                        (OBJECTHDR**)&pCryptHash))
4092     {
4093         SetLastError(NTE_BAD_HASH);
4094         return FALSE;
4095     }
4096
4097     if (!get_algid_info(hProv, pCryptHash->aiAlgid) || pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
4098     {
4099         SetLastError(NTE_BAD_ALGID);
4100         return FALSE;
4101     }
4102
4103     if (pCryptHash->dwState != RSAENH_HASHSTATE_HASHING)
4104     {
4105         SetLastError(NTE_BAD_HASH_STATE);
4106         return FALSE;
4107     }
4108
4109     update_hash(pCryptHash, pbData, dwDataLen);
4110     return TRUE;
4111 }
4112
4113 /******************************************************************************
4114  * CPHashSessionKey (RSAENH.@)
4115  *
4116  * Updates a hash object with the binary representation of a symmetric key.
4117  *
4118  * PARAMS
4119  *  hProv     [I] Key container to which the hash object belongs.
4120  *  hHash     [I] Hash object which is to be updated.
4121  *  hKey      [I] The symmetric key, whose binary value will be added to the hash.
4122  *  dwFlags   [I] CRYPT_LITTLE_ENDIAN, if the binary key value shall be interpreted as little endian.
4123  *
4124  * RETURNS
4125  *  Success: TRUE.
4126  *  Failure: FALSE.
4127  */
4128 BOOL WINAPI RSAENH_CPHashSessionKey(HCRYPTPROV hProv, HCRYPTHASH hHash, HCRYPTKEY hKey,
4129                                     DWORD dwFlags)
4130 {
4131     BYTE abKeyValue[RSAENH_MAX_KEY_SIZE], bTemp;
4132     CRYPTKEY *pKey;
4133     DWORD i;
4134
4135     TRACE("(hProv=%08lx, hHash=%08lx, hKey=%08lx, dwFlags=%08x)\n", hProv, hHash, hKey, dwFlags);
4136
4137     if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pKey) ||
4138         (GET_ALG_CLASS(pKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT))
4139     {
4140         SetLastError(NTE_BAD_KEY);
4141         return FALSE;
4142     }
4143
4144     if (dwFlags & ~CRYPT_LITTLE_ENDIAN) {
4145         SetLastError(NTE_BAD_FLAGS);
4146         return FALSE;
4147     }
4148
4149     memcpy(abKeyValue, pKey->abKeyValue, pKey->dwKeyLen);
4150     if (!(dwFlags & CRYPT_LITTLE_ENDIAN)) {
4151         for (i=0; i<pKey->dwKeyLen/2; i++) {
4152             bTemp = abKeyValue[i];
4153             abKeyValue[i] = abKeyValue[pKey->dwKeyLen-i-1];
4154             abKeyValue[pKey->dwKeyLen-i-1] = bTemp;
4155         }
4156     }
4157
4158     return RSAENH_CPHashData(hProv, hHash, abKeyValue, pKey->dwKeyLen, 0);
4159 }
4160
4161 /******************************************************************************
4162  * CPReleaseContext (RSAENH.@)
4163  *
4164  * Release a key container.
4165  *
4166  * PARAMS
4167  *  hProv   [I] Key container to be released.
4168  *  dwFlags [I] Currently none defined.
4169  *
4170  * RETURNS
4171  *  Success: TRUE
4172  *  Failure: FALSE
4173  */
4174 BOOL WINAPI RSAENH_CPReleaseContext(HCRYPTPROV hProv, DWORD dwFlags)
4175 {
4176     TRACE("(hProv=%08lx, dwFlags=%08x)\n", hProv, dwFlags);
4177
4178     if (!release_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4179     {
4180         /* MSDN: hProv not containing valid context handle */
4181         SetLastError(NTE_BAD_UID);
4182         return FALSE;
4183     }
4184
4185     if (dwFlags) {
4186         SetLastError(NTE_BAD_FLAGS);
4187         return FALSE;
4188     }
4189
4190     return TRUE;
4191 }
4192
4193 /******************************************************************************
4194  * CPSetHashParam (RSAENH.@)
4195  *
4196  * Set a parameter of a hash object
4197  *
4198  * PARAMS
4199  *  hProv   [I] The key container to which the key belongs.
4200  *  hHash   [I] The hash object for which a parameter is to be set.
4201  *  dwParam [I] Parameter type. See Notes.
4202  *  pbData  [I] Pointer to the parameter value.
4203  *  dwFlags [I] Currently none defined.
4204  *
4205  * RETURNS
4206  *  Success: TRUE.
4207  *  Failure: FALSE.
4208  *
4209  * NOTES
4210  *  Currently only the HP_HMAC_INFO dwParam type is defined.
4211  *  The HMAC_INFO struct will be deep copied into the hash object.
4212  *  See Internet RFC 2104 for details on the HMAC algorithm.
4213  */
4214 BOOL WINAPI RSAENH_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam,
4215                                   BYTE *pbData, DWORD dwFlags)
4216 {
4217     CRYPTHASH *pCryptHash;
4218     CRYPTKEY *pCryptKey;
4219     DWORD i;
4220
4221     TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n",
4222            hProv, hHash, dwParam, pbData, dwFlags);
4223
4224     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4225     {
4226         SetLastError(NTE_BAD_UID);
4227         return FALSE;
4228     }
4229
4230     if (dwFlags) {
4231         SetLastError(NTE_BAD_FLAGS);
4232         return FALSE;
4233     }
4234
4235     if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
4236                        (OBJECTHDR**)&pCryptHash))
4237     {
4238         SetLastError(NTE_BAD_HASH);
4239         return FALSE;
4240     }
4241
4242     switch (dwParam) {
4243         case HP_HMAC_INFO:
4244             free_hmac_info(pCryptHash->pHMACInfo);
4245             if (!copy_hmac_info(&pCryptHash->pHMACInfo, (PHMAC_INFO)pbData)) return FALSE;
4246
4247             if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
4248                                (OBJECTHDR**)&pCryptKey))
4249             {
4250                 SetLastError(NTE_FAIL); /* FIXME: correct error code? */
4251                 return FALSE;
4252             }
4253
4254             if (pCryptKey->aiAlgid == CALG_HMAC && !pCryptKey->dwKeyLen) {
4255                 HCRYPTHASH hKeyHash;
4256                 DWORD keyLen;
4257
4258                 if (!RSAENH_CPCreateHash(hProv, ((PHMAC_INFO)pbData)->HashAlgid, 0, 0,
4259                     &hKeyHash))
4260                     return FALSE;
4261                 if (!RSAENH_CPHashData(hProv, hKeyHash, pCryptKey->blobHmacKey.pbData,
4262                     pCryptKey->blobHmacKey.cbData, 0))
4263                 {
4264                     RSAENH_CPDestroyHash(hProv, hKeyHash);
4265                     return FALSE;
4266                 }
4267                 keyLen = sizeof(pCryptKey->abKeyValue);
4268                 if (!RSAENH_CPGetHashParam(hProv, hKeyHash, HP_HASHVAL, pCryptKey->abKeyValue,
4269                     &keyLen, 0))
4270                 {
4271                     RSAENH_CPDestroyHash(hProv, hKeyHash);
4272                     return FALSE;
4273                 }
4274                 pCryptKey->dwKeyLen = keyLen;
4275                 RSAENH_CPDestroyHash(hProv, hKeyHash);
4276             }
4277             for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbInnerString); i++) {
4278                 pCryptHash->pHMACInfo->pbInnerString[i] ^= pCryptKey->abKeyValue[i];
4279             }
4280             for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbOuterString); i++) {
4281                 pCryptHash->pHMACInfo->pbOuterString[i] ^= pCryptKey->abKeyValue[i];
4282             }
4283
4284             init_hash(pCryptHash);
4285             return TRUE;
4286
4287         case HP_HASHVAL:
4288             memcpy(pCryptHash->abHashValue, pbData, pCryptHash->dwHashSize);
4289             pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
4290             return TRUE;
4291
4292         case HP_TLS1PRF_SEED:
4293             return copy_data_blob(&pCryptHash->tpPRFParams.blobSeed, (PCRYPT_DATA_BLOB)pbData);
4294
4295         case HP_TLS1PRF_LABEL:
4296             return copy_data_blob(&pCryptHash->tpPRFParams.blobLabel, (PCRYPT_DATA_BLOB)pbData);
4297
4298         default:
4299             SetLastError(NTE_BAD_TYPE);
4300             return FALSE;
4301     }
4302 }
4303
4304 /******************************************************************************
4305  * CPSetProvParam (RSAENH.@)
4306  */
4307 BOOL WINAPI RSAENH_CPSetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
4308 {
4309     FIXME("(stub)\n");
4310     return FALSE;
4311 }
4312
4313 /******************************************************************************
4314  * CPSignHash (RSAENH.@)
4315  *
4316  * Sign a hash object
4317  *
4318  * PARAMS
4319  *  hProv        [I]   The key container, to which the hash object belongs.
4320  *  hHash        [I]   The hash object to be signed.
4321  *  dwKeySpec    [I]   AT_SIGNATURE or AT_KEYEXCHANGE: Key used to generate the signature.
4322  *  sDescription [I]   Should be NULL for security reasons.
4323  *  dwFlags      [I]   0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
4324  *  pbSignature  [O]   Buffer, to which the signature will be stored. May be NULL to query SigLen.
4325  *  pdwSigLen    [I/O] Size of the buffer (in), Length of the signature (out)
4326  *
4327  * RETURNS
4328  *  Success: TRUE
4329  *  Failure: FALSE
4330  */
4331 BOOL WINAPI RSAENH_CPSignHash(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwKeySpec,
4332                               LPCWSTR sDescription, DWORD dwFlags, BYTE *pbSignature,
4333                               DWORD *pdwSigLen)
4334 {
4335     HCRYPTKEY hCryptKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
4336     CRYPTKEY *pCryptKey;
4337     DWORD dwHashLen;
4338     BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
4339     ALG_ID aiAlgid;
4340     BOOL ret = FALSE;
4341
4342     TRACE("(hProv=%08lx, hHash=%08lx, dwKeySpec=%08x, sDescription=%s, dwFlags=%08x, "
4343         "pbSignature=%p, pdwSigLen=%p)\n", hProv, hHash, dwKeySpec, debugstr_w(sDescription),
4344         dwFlags, pbSignature, pdwSigLen);
4345
4346     if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
4347         SetLastError(NTE_BAD_FLAGS);
4348         return FALSE;
4349     }
4350
4351     if (!RSAENH_CPGetUserKey(hProv, dwKeySpec, &hCryptKey)) return FALSE;
4352
4353     if (!lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
4354                        (OBJECTHDR**)&pCryptKey))
4355     {
4356         SetLastError(NTE_NO_KEY);
4357         goto out;
4358     }
4359
4360     if (!pbSignature) {
4361         *pdwSigLen = pCryptKey->dwKeyLen;
4362         ret = TRUE;
4363         goto out;
4364     }
4365     if (pCryptKey->dwKeyLen > *pdwSigLen)
4366     {
4367         SetLastError(ERROR_MORE_DATA);
4368         *pdwSigLen = pCryptKey->dwKeyLen;
4369         goto out;
4370     }
4371     *pdwSigLen = pCryptKey->dwKeyLen;
4372
4373     if (sDescription) {
4374         if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
4375                                 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
4376         {
4377             goto out;
4378         }
4379     }
4380
4381     dwHashLen = sizeof(DWORD);
4382     if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) goto out;
4383
4384     dwHashLen = RSAENH_MAX_HASH_SIZE;
4385     if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) goto out;
4386
4387
4388     if (!build_hash_signature(pbSignature, *pdwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
4389         goto out;
4390     }
4391
4392     ret = encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbSignature, pbSignature, RSAENH_ENCRYPT);
4393 out:
4394     RSAENH_CPDestroyKey(hProv, hCryptKey);
4395     return ret;
4396 }
4397
4398 /******************************************************************************
4399  * CPVerifySignature (RSAENH.@)
4400  *
4401  * Verify the signature of a hash object.
4402  *
4403  * PARAMS
4404  *  hProv        [I] The key container, to which the hash belongs.
4405  *  hHash        [I] The hash for which the signature is verified.
4406  *  pbSignature  [I] The binary signature.
4407  *  dwSigLen     [I] Length of the signature BLOB.
4408  *  hPubKey      [I] Public key used to verify the signature.
4409  *  sDescription [I] Should be NULL for security reasons.
4410  *  dwFlags      [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
4411  *
4412  * RETURNS
4413  *  Success: TRUE  (Signature is valid)
4414  *  Failure: FALSE (GetLastError() == NTE_BAD_SIGNATURE, if signature is invalid)
4415  */
4416 BOOL WINAPI RSAENH_CPVerifySignature(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbSignature,
4417                                      DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription,
4418                                      DWORD dwFlags)
4419 {
4420     BYTE *pbConstructed = NULL, *pbDecrypted = NULL;
4421     CRYPTKEY *pCryptKey;
4422     DWORD dwHashLen;
4423     ALG_ID aiAlgid;
4424     BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
4425     BOOL res = FALSE;
4426
4427     TRACE("(hProv=%08lx, hHash=%08lx, pbSignature=%p, dwSigLen=%d, hPubKey=%08lx, sDescription=%s, "
4428           "dwFlags=%08x)\n", hProv, hHash, pbSignature, dwSigLen, hPubKey, debugstr_w(sDescription),
4429           dwFlags);
4430
4431     if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
4432         SetLastError(NTE_BAD_FLAGS);
4433         return FALSE;
4434     }
4435
4436     if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4437     {
4438         SetLastError(NTE_BAD_UID);
4439         return FALSE;
4440     }
4441
4442     if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY,
4443                        (OBJECTHDR**)&pCryptKey))
4444     {
4445         SetLastError(NTE_BAD_KEY);
4446         return FALSE;
4447     }
4448
4449     /* in Microsoft implementation, the signature length is checked before
4450      * the signature pointer.
4451      */
4452     if (dwSigLen != pCryptKey->dwKeyLen)
4453     {
4454         SetLastError(NTE_BAD_SIGNATURE);
4455         return FALSE;
4456     }
4457
4458     if (!hHash || !pbSignature)
4459     {
4460         SetLastError(ERROR_INVALID_PARAMETER);
4461         return FALSE;
4462     }
4463
4464     if (sDescription) {
4465         if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
4466                                 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
4467         {
4468             return FALSE;
4469         }
4470     }
4471
4472     dwHashLen = sizeof(DWORD);
4473     if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
4474
4475     dwHashLen = RSAENH_MAX_HASH_SIZE;
4476     if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
4477
4478     pbConstructed = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
4479     if (!pbConstructed) {
4480         SetLastError(NTE_NO_MEMORY);
4481         goto cleanup;
4482     }
4483
4484     pbDecrypted = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
4485     if (!pbDecrypted) {
4486         SetLastError(NTE_NO_MEMORY);
4487         goto cleanup;
4488     }
4489
4490     if (!encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbSignature, pbDecrypted,
4491                             RSAENH_DECRYPT))
4492     {
4493         goto cleanup;
4494     }
4495
4496     if (build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags) &&
4497         !memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
4498         res = TRUE;
4499         goto cleanup;
4500     }
4501
4502     if (!(dwFlags & CRYPT_NOHASHOID) &&
4503         build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags|CRYPT_NOHASHOID) &&
4504         !memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
4505         res = TRUE;
4506         goto cleanup;
4507     }
4508
4509     SetLastError(NTE_BAD_SIGNATURE);
4510
4511 cleanup:
4512     HeapFree(GetProcessHeap(), 0, pbConstructed);
4513     HeapFree(GetProcessHeap(), 0, pbDecrypted);
4514     return res;
4515 }
4516
4517 /******************************************************************************
4518  * DllRegisterServer (RSAENH.@)
4519  */
4520 HRESULT WINAPI DllRegisterServer(void)
4521 {
4522     return __wine_register_resources( instance );
4523 }
4524
4525 /******************************************************************************
4526  * DllUnregisterServer (RSAENH.@)
4527  */
4528 HRESULT WINAPI DllUnregisterServer(void)
4529 {
4530     return __wine_unregister_resources( instance );
4531 }