2 * Copyright 1999 Ian Schmidt
3 * Copyright 2001 Travis Michielsen
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 /***********************************************************************
23 * - Reference counting
28 #include "wine/port.h"
33 #include <sys/types.h>
34 #ifdef HAVE_SYS_STAT_H
35 # include <sys/stat.h>
43 #define WIN32_NO_STATUS
48 #include "wine/debug.h"
49 #include "wine/unicode.h"
52 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
54 static HWND crypt_hWindow;
56 #define CRYPT_Alloc(size) (LocalAlloc(LMEM_ZEROINIT, size))
57 #define CRYPT_Free(buffer) (LocalFree(buffer))
59 static inline PWSTR CRYPT_GetProvKeyName(PCWSTR pProvName)
61 static const WCHAR KEYSTR[] = {
62 'S','o','f','t','w','a','r','e','\\',
63 'M','i','c','r','o','s','o','f','t','\\',
64 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
65 'D','e','f','a','u','l','t','s','\\',
66 'P','r','o','v','i','d','e','r','\\',0
70 keyname = CRYPT_Alloc((strlenW(KEYSTR) + strlenW(pProvName) +1)*sizeof(WCHAR));
73 strcpyW(keyname, KEYSTR);
74 strcpyW(keyname + strlenW(KEYSTR), pProvName);
76 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
80 static inline PWSTR CRYPT_GetTypeKeyName(DWORD dwType, BOOL user)
82 static const WCHAR MACHINESTR[] = {
83 'S','o','f','t','w','a','r','e','\\',
84 'M','i','c','r','o','s','o','f','t','\\',
85 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
86 'D','e','f','a','u','l','t','s','\\',
87 'P','r','o','v','i','d','e','r',' ','T','y','p','e','s','\\',
88 'T','y','p','e',' ','X','X','X',0
90 static const WCHAR USERSTR[] = {
91 'S','o','f','t','w','a','r','e','\\',
92 'M','i','c','r','o','s','o','f','t','\\',
93 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
94 'P','r','o','v','i','d','e','r',' ','T','y','p','e',' ','X','X','X',0
99 keyname = CRYPT_Alloc( ((user ? strlenW(USERSTR) : strlenW(MACHINESTR)) +1)*sizeof(WCHAR));
102 user ? strcpyW(keyname, USERSTR) : strcpyW(keyname, MACHINESTR);
103 ptr = keyname + strlenW(keyname);
104 *(--ptr) = (dwType % 10) + '0';
105 *(--ptr) = ((dwType / 10) % 10) + '0';
106 *(--ptr) = (dwType / 100) + '0';
108 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
112 /* CRYPT_UnicodeTOANSI
113 * wstr - unicode string
114 * str - pointer to ANSI string
115 * strsize - size of buffer pointed to by str or -1 if we have to do the allocation
117 * returns TRUE if unsuccessful, FALSE otherwise.
118 * if wstr is NULL, returns TRUE and sets str to NULL! Value of str should be checked after call
120 static inline BOOL CRYPT_UnicodeToANSI(LPCWSTR wstr, LPSTR* str, int strsize)
129 count = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
131 *str = CRYPT_Alloc(count * sizeof(CHAR));
133 count = min( count, strsize );
136 WideCharToMultiByte(CP_ACP, 0, wstr, -1, *str, count, NULL, NULL);
139 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
143 /* CRYPT_ANSITOUnicode
145 * wstr - pointer to unicode string
146 * wstrsize - size of buffer pointed to by wstr or -1 if we have to do the allocation
148 static inline BOOL CRYPT_ANSIToUnicode(LPCSTR str, LPWSTR* wstr, int wstrsize)
157 wcount = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
159 *wstr = CRYPT_Alloc(wcount * sizeof(WCHAR));
161 wcount = min( wcount, wstrsize/sizeof(WCHAR) );
164 MultiByteToWideChar(CP_ACP, 0, str, -1, *wstr, wcount);
167 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
171 /* These next 2 functions are used by the VTableProvStruc structure */
172 static BOOL CALLBACK CRYPT_VerifyImage(LPCSTR lpszImage, BYTE* pData)
174 if (!lpszImage || !pData)
176 SetLastError(ERROR_INVALID_PARAMETER);
180 FIXME("(%s, %p): not verifying image\n", lpszImage, pData);
185 static void CALLBACK CRYPT_ReturnhWnd(HWND *phWnd)
187 if (phWnd) *phWnd = crypt_hWindow;
190 #define CRYPT_GetProvFunc(name) \
191 if ( !(provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)) ) goto error
192 #define CRYPT_GetProvFuncOpt(name) \
193 provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)
194 static PCRYPTPROV CRYPT_LoadProvider(PCWSTR pImage)
197 DWORD errorcode = ERROR_NOT_ENOUGH_MEMORY;
199 if ( !(provider = CRYPT_Alloc(sizeof(CRYPTPROV))) ) goto error;
200 if ( !(provider->pFuncs = CRYPT_Alloc(sizeof(PROVFUNCS))) ) goto error;
201 if ( !(provider->pVTable = CRYPT_Alloc(sizeof(VTableProvStruc))) ) goto error;
202 if ( !(provider->hModule = LoadLibraryW(pImage)) )
204 errorcode = (GetLastError() == ERROR_FILE_NOT_FOUND) ? NTE_PROV_DLL_NOT_FOUND : NTE_PROVIDER_DLL_FAIL;
205 FIXME("Failed to load dll %s\n", debugstr_w(pImage));
208 provider->dwMagic = MAGIC_CRYPTPROV;
209 provider->refcount = 1;
211 errorcode = NTE_PROVIDER_DLL_FAIL;
212 CRYPT_GetProvFunc(CPAcquireContext);
213 CRYPT_GetProvFunc(CPCreateHash);
214 CRYPT_GetProvFunc(CPDecrypt);
215 CRYPT_GetProvFunc(CPDeriveKey);
216 CRYPT_GetProvFunc(CPDestroyHash);
217 CRYPT_GetProvFunc(CPDestroyKey);
218 CRYPT_GetProvFuncOpt(CPDuplicateHash);
219 CRYPT_GetProvFuncOpt(CPDuplicateKey);
220 CRYPT_GetProvFunc(CPEncrypt);
221 CRYPT_GetProvFunc(CPExportKey);
222 CRYPT_GetProvFunc(CPGenKey);
223 CRYPT_GetProvFunc(CPGenRandom);
224 CRYPT_GetProvFunc(CPGetHashParam);
225 CRYPT_GetProvFunc(CPGetKeyParam);
226 CRYPT_GetProvFunc(CPGetProvParam);
227 CRYPT_GetProvFunc(CPGetUserKey);
228 CRYPT_GetProvFunc(CPHashData);
229 CRYPT_GetProvFunc(CPHashSessionKey);
230 CRYPT_GetProvFunc(CPImportKey);
231 CRYPT_GetProvFunc(CPReleaseContext);
232 CRYPT_GetProvFunc(CPSetHashParam);
233 CRYPT_GetProvFunc(CPSetKeyParam);
234 CRYPT_GetProvFunc(CPSetProvParam);
235 CRYPT_GetProvFunc(CPSignHash);
236 CRYPT_GetProvFunc(CPVerifySignature);
238 /* FIXME: Not sure what the pbContextInfo field is for.
239 * Does it need memory allocation?
241 provider->pVTable->Version = 3;
242 provider->pVTable->FuncVerifyImage = CRYPT_VerifyImage;
243 provider->pVTable->FuncReturnhWnd = CRYPT_ReturnhWnd;
244 provider->pVTable->dwProvType = 0;
245 provider->pVTable->pbContextInfo = NULL;
246 provider->pVTable->cbContextInfo = 0;
247 provider->pVTable->pszProvName = NULL;
251 SetLastError(errorcode);
254 provider->dwMagic = 0;
255 if (provider->hModule)
256 FreeLibrary(provider->hModule);
257 CRYPT_Free(provider->pVTable);
258 CRYPT_Free(provider->pFuncs);
259 CRYPT_Free(provider);
263 #undef CRYPT_GetProvFunc
264 #undef CRYPT_GetProvFuncOpt
267 static void CRYPT_CreateMachineGuid(void)
269 static const WCHAR cryptographyW[] = {
270 'S','o','f','t','w','a','r','e','\\',
271 'M','i','c','r','o','s','o','f','t','\\',
272 'C','r','y','p','t','o','g','r','a','p','h','y',0 };
273 static const WCHAR machineGuidW[] = {
274 'M','a','c','h','i','n','e','G','u','i','d',0 };
278 r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, cryptographyW, 0, KEY_ALL_ACCESS,
284 r = RegQueryValueExW(key, machineGuidW, NULL, NULL, NULL, &size);
285 if (r == ERROR_FILE_NOT_FOUND)
287 static const WCHAR rpcrt4[] = {
288 'r','p','c','r','t','4',0 };
289 HMODULE lib = LoadLibraryW(rpcrt4);
293 RPC_STATUS (RPC_ENTRY *pUuidCreate)(UUID *);
297 static const WCHAR uuidFmt[] = {
298 '%','0','8','x','-','%','0','4','x','-',
299 '%','0','4','x','-','%','0','2','x',
300 '%','0','2','x','-','%','0','2','x',
301 '%','0','2','x','%','0','2','x',
302 '%','0','2','x','%','0','2','x',
305 pUuidCreate = (void *)GetProcAddress(lib, "UuidCreate");
306 rs = pUuidCreate(&uuid);
309 sprintfW(buf, uuidFmt,
310 uuid.Data1, uuid.Data2, uuid.Data3,
311 uuid.Data4[0], uuid.Data4[1],
312 uuid.Data4[2], uuid.Data4[3],
313 uuid.Data4[4], uuid.Data4[5],
314 uuid.Data4[6], uuid.Data4[7] );
315 RegSetValueExW(key, machineGuidW, 0, REG_SZ,
317 (lstrlenW(buf)+1)*sizeof(WCHAR));
326 /******************************************************************************
327 * CryptAcquireContextW (ADVAPI32.@)
329 * Acquire a crypto provider context handle.
332 * phProv [O] Pointer to HCRYPTPROV for the output.
333 * pszContainer [I] Key Container Name
334 * pszProvider [I] Cryptographic Service Provider Name
335 * dwProvType [I] Crypto provider type to get a handle.
336 * dwFlags [I] flags for the operation
339 * TRUE on success, FALSE on failure.
341 BOOL WINAPI CryptAcquireContextW (HCRYPTPROV *phProv, LPCWSTR pszContainer,
342 LPCWSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
344 PCRYPTPROV pProv = NULL;
346 PWSTR imagepath = NULL, keyname = NULL, provname = NULL, temp = NULL;
347 PSTR provnameA = NULL, pszContainerA = NULL;
348 DWORD keytype, type, len;
350 static const WCHAR nameW[] = {'N','a','m','e',0};
351 static const WCHAR typeW[] = {'T','y','p','e',0};
352 static const WCHAR imagepathW[] = {'I','m','a','g','e',' ','P','a','t','h',0};
354 TRACE("(%p, %s, %s, %d, %08x)\n", phProv, debugstr_w(pszContainer),
355 debugstr_w(pszProvider), dwProvType, dwFlags);
357 if (dwProvType < 1 || dwProvType > MAXPROVTYPES)
359 SetLastError(NTE_BAD_PROV_TYPE);
365 SetLastError(ERROR_INVALID_PARAMETER);
369 /* Make sure the MachineGuid value exists */
370 CRYPT_CreateMachineGuid();
372 if (!pszProvider || !*pszProvider)
374 /* No CSP name specified so try the user default CSP first
375 * then try the machine default CSP
377 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, TRUE)) ) {
378 TRACE("No provider registered for crypto provider type %d.\n", dwProvType);
379 SetLastError(NTE_PROV_TYPE_NOT_DEF);
382 if (RegOpenKeyW(HKEY_CURRENT_USER, keyname, &key))
385 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, FALSE)) ) {
386 TRACE("No type registered for crypto provider type %d.\n", dwProvType);
388 SetLastError(NTE_PROV_TYPE_NOT_DEF);
391 if (RegOpenKeyW(HKEY_LOCAL_MACHINE, keyname, &key)) {
392 TRACE("Did not find registry entry of crypto provider for %s.\n", debugstr_w(keyname));
395 SetLastError(NTE_PROV_TYPE_NOT_DEF);
400 r = RegQueryValueExW(key, nameW, NULL, &keytype, NULL, &len);
401 if( r != ERROR_SUCCESS || !len || keytype != REG_SZ)
403 TRACE("error %d reading size of 'Name' from registry\n", r );
405 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
408 if(!(provname = CRYPT_Alloc(len)))
411 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
414 r = RegQueryValueExW(key, nameW, NULL, NULL, (LPBYTE)provname, &len);
415 if( r != ERROR_SUCCESS )
417 TRACE("error %d reading 'Name' from registry\n", r );
419 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
424 if ( !(provname = CRYPT_Alloc((strlenW(pszProvider) +1)*sizeof(WCHAR))) )
426 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
429 strcpyW(provname, pszProvider);
432 keyname = CRYPT_GetProvKeyName(provname);
433 r = RegOpenKeyW(HKEY_LOCAL_MACHINE, keyname, &key);
435 if (r != ERROR_SUCCESS)
437 SetLastError(NTE_KEYSET_NOT_DEF);
441 r = RegQueryValueExW(key, typeW, NULL, NULL, (BYTE*)&type, &len);
442 if (r != ERROR_SUCCESS)
444 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
447 if (type != dwProvType)
449 TRACE("Crypto provider has wrong type (%d vs expected %d).\n", type, dwProvType);
450 SetLastError(NTE_PROV_TYPE_NO_MATCH);
454 r = RegQueryValueExW(key, imagepathW, NULL, &keytype, NULL, &len);
455 if ( r != ERROR_SUCCESS || keytype != REG_SZ)
457 TRACE("error %d reading size of 'Image Path' from registry\n", r );
459 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
462 if (!(temp = CRYPT_Alloc(len)))
465 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
468 r = RegQueryValueExW(key, imagepathW, NULL, NULL, (LPBYTE)temp, &len);
469 if( r != ERROR_SUCCESS )
471 TRACE("error %d reading 'Image Path' from registry\n", r );
473 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
477 len = ExpandEnvironmentStringsW(temp, NULL, 0);
478 if ( !(imagepath = CRYPT_Alloc(len*sizeof(WCHAR))) )
480 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
483 if (!ExpandEnvironmentStringsW(temp, imagepath, len))
485 /* ExpandEnvironmentStrings will call SetLastError */
488 pProv = CRYPT_LoadProvider(imagepath);
490 /* CRYPT_LoadProvider calls SetLastError */
493 pProv->pVTable->dwProvType = dwProvType;
494 if(!CRYPT_UnicodeToANSI(provname, &provnameA, -1))
496 /* CRYPT_UnicodeToANSI calls SetLastError */
499 pProv->pVTable->pszProvName = provnameA;
500 if(!CRYPT_UnicodeToANSI(pszContainer, &pszContainerA, -1))
502 /* CRYPT_UnicodeToANSI calls SetLastError */
505 if (pProv->pFuncs->pCPAcquireContext(&pProv->hPrivate, pszContainerA, dwFlags, pProv->pVTable))
507 /* MSDN: When this flag is set, the value returned in phProv is undefined,
508 * and thus, the CryptReleaseContext function need not be called afterwards.
509 * Therefore, we must clean up everything now.
511 if (dwFlags & CRYPT_DELETEKEYSET)
514 FreeLibrary(pProv->hModule);
515 CRYPT_Free(provnameA);
516 CRYPT_Free(pProv->pVTable);
517 CRYPT_Free(pProv->pFuncs);
520 *phProv = (HCRYPTPROV)pProv;
522 CRYPT_Free(pszContainerA);
523 CRYPT_Free(provname);
525 CRYPT_Free(imagepath);
528 /* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
534 FreeLibrary(pProv->hModule);
535 CRYPT_Free(pProv->pVTable);
536 CRYPT_Free(pProv->pFuncs);
539 CRYPT_Free(pszContainerA);
540 CRYPT_Free(provnameA);
541 CRYPT_Free(provname);
543 CRYPT_Free(imagepath);
547 /******************************************************************************
548 * CryptAcquireContextA (ADVAPI32.@)
550 * See CryptAcquireContextW.
552 BOOL WINAPI CryptAcquireContextA (HCRYPTPROV *phProv, LPCSTR pszContainer,
553 LPCSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
555 PWSTR pProvider = NULL, pContainer = NULL;
558 TRACE("(%p, %s, %s, %d, %08x)\n", phProv, pszContainer,
559 pszProvider, dwProvType, dwFlags);
561 if ( !CRYPT_ANSIToUnicode(pszContainer, &pContainer, -1) )
563 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
566 if ( !CRYPT_ANSIToUnicode(pszProvider, &pProvider, -1) )
568 CRYPT_Free(pContainer);
569 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
573 ret = CryptAcquireContextW(phProv, pContainer, pProvider, dwProvType, dwFlags);
575 CRYPT_Free(pContainer);
576 CRYPT_Free(pProvider);
581 /******************************************************************************
582 * CryptContextAddRef (ADVAPI32.@)
584 * Increases reference count of a cryptographic service provider handle
588 * hProv [I] Handle to the CSP whose reference is being incremented.
589 * pdwReserved [IN] Reserved for future use and must be NULL.
590 * dwFlags [I] Reserved for future use and must be NULL.
596 BOOL WINAPI CryptContextAddRef (HCRYPTPROV hProv, DWORD *pdwReserved, DWORD dwFlags)
598 PCRYPTPROV pProv = (PCRYPTPROV)hProv;
600 TRACE("(0x%lx, %p, %08x)\n", hProv, pdwReserved, dwFlags);
604 SetLastError(NTE_BAD_UID);
608 if (pProv->dwMagic != MAGIC_CRYPTPROV)
610 SetLastError(ERROR_INVALID_PARAMETER);
618 /******************************************************************************
619 * CryptReleaseContext (ADVAPI32.@)
621 * Releases the handle of a CSP. Reference count is decreased.
624 * hProv [I] Handle of a CSP.
625 * dwFlags [I] Reserved for future use and must be NULL.
631 BOOL WINAPI CryptReleaseContext (HCRYPTPROV hProv, ULONG_PTR dwFlags)
633 PCRYPTPROV pProv = (PCRYPTPROV)hProv;
636 TRACE("(0x%lx, %08lx)\n", hProv, dwFlags);
640 SetLastError(NTE_BAD_UID);
644 if (pProv->dwMagic != MAGIC_CRYPTPROV)
646 SetLastError(ERROR_INVALID_PARAMETER);
651 if (pProv->refcount <= 0)
653 ret = pProv->pFuncs->pCPReleaseContext(pProv->hPrivate, dwFlags);
655 FreeLibrary(pProv->hModule);
657 CRYPT_Free(pProv->pVTable->pContextInfo);
659 CRYPT_Free(pProv->pVTable->pszProvName);
660 CRYPT_Free(pProv->pVTable);
661 CRYPT_Free(pProv->pFuncs);
667 /******************************************************************************
668 * CryptGenRandom (ADVAPI32.@)
670 * Fills a buffer with cryptographically random bytes.
673 * hProv [I] Handle of a CSP.
674 * dwLen [I] Number of bytes to generate.
675 * pbBuffer [I/O] Buffer to contain random bytes.
682 * pdBuffer must be at least dwLen bytes long.
684 BOOL WINAPI CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
686 PCRYPTPROV prov = (PCRYPTPROV)hProv;
688 TRACE("(0x%lx, %d, %p)\n", hProv, dwLen, pbBuffer);
692 SetLastError(ERROR_INVALID_HANDLE);
696 if (prov->dwMagic != MAGIC_CRYPTPROV)
698 SetLastError(ERROR_INVALID_PARAMETER);
702 return prov->pFuncs->pCPGenRandom(prov->hPrivate, dwLen, pbBuffer);
705 /******************************************************************************
706 * CryptCreateHash (ADVAPI32.@)
708 * Initiates the hashing of a stream of data.
711 * hProv [I] Handle of a CSP.
712 * Algid [I] Identifies the hash algorithm to use.
713 * hKey [I] Key for the hash (if required).
714 * dwFlags [I] Reserved for future use and must be NULL.
715 * phHash [O] Address of the future handle to the new hash object.
722 * If the algorithm is a keyed hash, hKey is the key.
724 BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
725 DWORD dwFlags, HCRYPTHASH *phHash)
727 PCRYPTPROV prov = (PCRYPTPROV)hProv;
728 PCRYPTKEY key = (PCRYPTKEY)hKey;
731 TRACE("(0x%lx, 0x%x, 0x%lx, %08x, %p)\n", hProv, Algid, hKey, dwFlags, phHash);
735 SetLastError(ERROR_INVALID_HANDLE);
738 if (!phHash || prov->dwMagic != MAGIC_CRYPTPROV)
740 SetLastError(ERROR_INVALID_PARAMETER);
745 SetLastError(NTE_BAD_FLAGS);
748 if ( !(hash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
750 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
754 hash->pProvider = prov;
756 if (prov->pFuncs->pCPCreateHash(prov->hPrivate, Algid,
757 key ? key->hPrivate : 0, 0, &hash->hPrivate))
759 *phHash = (HCRYPTHASH)hash;
769 /******************************************************************************
770 * CryptDecrypt (ADVAPI32.@)
772 * Decrypts data encrypted by CryptEncrypt.
775 * hKey [I] Handle to the decryption key.
776 * hHash [I] Handle to a hash object.
777 * Final [I] TRUE if this is the last section to be decrypted.
778 * dwFlags [I] Reserved for future use. Can be CRYPT_OAEP.
779 * pbData [I/O] Buffer that holds the encrypted data. Holds decrypted
781 * pdwDataLen [I/O] Length of pbData before and after the call.
787 BOOL WINAPI CryptDecrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
788 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
791 PCRYPTKEY key = (PCRYPTKEY)hKey;
792 PCRYPTHASH hash = (PCRYPTHASH)hHash;
794 TRACE("(0x%lx, 0x%lx, %d, %08x, %p, %p)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
796 if (!key || !pbData || !pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
798 SetLastError(ERROR_INVALID_PARAMETER);
802 prov = key->pProvider;
803 return prov->pFuncs->pCPDecrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
804 Final, dwFlags, pbData, pdwDataLen);
807 /******************************************************************************
808 * CryptDeriveKey (ADVAPI32.@)
810 * Generates session keys derived from a base data value.
813 * hProv [I] Handle to a CSP.
814 * Algid [I] Identifies the symmetric encryption algorithm to use.
815 * hBaseData [I] Handle to a hash object.
816 * dwFlags [I] Type of key to generate.
817 * phKey [I/O] Address of the newly generated key.
823 BOOL WINAPI CryptDeriveKey (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
824 DWORD dwFlags, HCRYPTKEY *phKey)
826 PCRYPTPROV prov = (PCRYPTPROV)hProv;
827 PCRYPTHASH hash = (PCRYPTHASH)hBaseData;
830 TRACE("(0x%lx, 0x%08x, 0x%lx, 0x%08x, %p)\n", hProv, Algid, hBaseData, dwFlags, phKey);
834 SetLastError(ERROR_INVALID_HANDLE);
837 if (!phKey || prov->dwMagic != MAGIC_CRYPTPROV)
839 SetLastError(ERROR_INVALID_PARAMETER);
842 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
844 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
848 key->pProvider = prov;
849 if (prov->pFuncs->pCPDeriveKey(prov->hPrivate, Algid, hash->hPrivate, dwFlags, &key->hPrivate))
851 *phKey = (HCRYPTKEY)key;
861 /******************************************************************************
862 * CryptDestroyHash (ADVAPI32.@)
864 * Destroys the hash object referenced by hHash.
867 * hHash [I] Handle of the hash object to be destroyed.
873 BOOL WINAPI CryptDestroyHash (HCRYPTHASH hHash)
875 PCRYPTHASH hash = (PCRYPTHASH)hHash;
879 TRACE("(0x%lx)\n", hHash);
883 SetLastError(ERROR_INVALID_HANDLE);
887 if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
889 SetLastError(ERROR_INVALID_PARAMETER);
893 prov = hash->pProvider;
894 ret = prov->pFuncs->pCPDestroyHash(prov->hPrivate, hash->hPrivate);
899 /******************************************************************************
900 * CryptDestroyKey (ADVAPI32.@)
902 * Releases the handle referenced by hKey.
905 * hKey [I] Handle of the key to be destroyed.
911 BOOL WINAPI CryptDestroyKey (HCRYPTKEY hKey)
913 PCRYPTKEY key = (PCRYPTKEY)hKey;
917 TRACE("(0x%lx)\n", hKey);
921 SetLastError(ERROR_INVALID_HANDLE);
925 if (!key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
927 SetLastError(ERROR_INVALID_PARAMETER);
931 prov = key->pProvider;
932 ret = prov->pFuncs->pCPDestroyKey(prov->hPrivate, key->hPrivate);
937 /******************************************************************************
938 * CryptDuplicateHash (ADVAPI32.@)
943 * hHash [I] Handle to the hash to be copied.
944 * pdwReserved [I] Reserved for future use and must be zero.
945 * dwFlags [I] Reserved for future use and must be zero.
946 * phHash [O] Address of the handle to receive the copy.
952 BOOL WINAPI CryptDuplicateHash (HCRYPTHASH hHash, DWORD *pdwReserved,
953 DWORD dwFlags, HCRYPTHASH *phHash)
956 PCRYPTHASH orghash, newhash;
958 TRACE("(0x%lx, %p, %08x, %p)\n", hHash, pdwReserved, dwFlags, phHash);
960 orghash = (PCRYPTHASH)hHash;
961 if (!orghash || pdwReserved || !phHash || !orghash->pProvider ||
962 orghash->pProvider->dwMagic != MAGIC_CRYPTPROV)
964 SetLastError(ERROR_INVALID_PARAMETER);
968 prov = orghash->pProvider;
969 if (!prov->pFuncs->pCPDuplicateHash)
971 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
975 if ( !(newhash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
977 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
981 newhash->pProvider = prov;
982 if (prov->pFuncs->pCPDuplicateHash(prov->hPrivate, orghash->hPrivate, pdwReserved, dwFlags, &newhash->hPrivate))
984 *phHash = (HCRYPTHASH)newhash;
991 /******************************************************************************
992 * CryptDuplicateKey (ADVAPI32.@)
994 * Duplicate a key and the key's state.
997 * hKey [I] Handle of the key to copy.
998 * pdwReserved [I] Reserved for future use and must be NULL.
999 * dwFlags [I] Reserved for future use and must be zero.
1000 * phKey [I] Address of the handle to the duplicated key.
1006 BOOL WINAPI CryptDuplicateKey (HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
1009 PCRYPTKEY orgkey, newkey;
1011 TRACE("(0x%lx, %p, %08x, %p)\n", hKey, pdwReserved, dwFlags, phKey);
1013 orgkey = (PCRYPTKEY)hKey;
1014 if (!orgkey || pdwReserved || !phKey || !orgkey->pProvider ||
1015 orgkey->pProvider->dwMagic != MAGIC_CRYPTPROV)
1017 SetLastError(ERROR_INVALID_PARAMETER);
1021 prov = orgkey->pProvider;
1022 if (!prov->pFuncs->pCPDuplicateKey)
1024 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1028 if ( !(newkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1030 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1034 newkey->pProvider = prov;
1035 if (prov->pFuncs->pCPDuplicateKey(prov->hPrivate, orgkey->hPrivate, pdwReserved, dwFlags, &newkey->hPrivate))
1037 *phKey = (HCRYPTKEY)newkey;
1044 /******************************************************************************
1045 * CryptEncrypt (ADVAPI32.@)
1050 * hKey [I] Handle to the encryption key.
1051 * hHash [I] Handle to a hash object.
1052 * Final [I] TRUE if this is the last section to encrypt.
1053 * dwFlags [I] Can be CRYPT_OAEP.
1054 * pbData [I/O] Data to be encrypted. Contains encrypted data after call.
1055 * pdwDataLen [I/O] Length of the data to encrypt. Contains the length of the
1056 * encrypted data after call.
1057 * dwBufLen [I] Length of the input pbData buffer.
1064 * If pbData is NULL, CryptEncrypt determines stores the number of bytes
1065 * required for the returned data in pdwDataLen.
1067 BOOL WINAPI CryptEncrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
1068 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
1071 PCRYPTKEY key = (PCRYPTKEY)hKey;
1072 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1074 TRACE("(0x%lx, 0x%lx, %d, %08x, %p, %p, %d)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen, dwBufLen);
1076 if (!key || !pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
1078 SetLastError(ERROR_INVALID_PARAMETER);
1082 prov = key->pProvider;
1083 return prov->pFuncs->pCPEncrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
1084 Final, dwFlags, pbData, pdwDataLen, dwBufLen);
1087 /******************************************************************************
1088 * CryptEnumProvidersW (ADVAPI32.@)
1090 * Returns the next available CSP.
1093 * dwIndex [I] Index of the next provider to be enumerated.
1094 * pdwReserved [I] Reserved for future use and must be NULL.
1095 * dwFlags [I] Reserved for future use and must be zero.
1096 * pdwProvType [O] DWORD designating the type of the provider.
1097 * pszProvName [O] Buffer that receives data from the provider.
1098 * pcbProvName [I/O] Specifies the size of pszProvName. Contains the number
1099 * of bytes stored in the buffer on return.
1106 * If pszProvName is NULL, CryptEnumProvidersW sets the size of the name
1107 * for memory allocation purposes.
1109 BOOL WINAPI CryptEnumProvidersW (DWORD dwIndex, DWORD *pdwReserved,
1110 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszProvName, DWORD *pcbProvName)
1113 static const WCHAR providerW[] = {
1114 'S','o','f','t','w','a','r','e','\\',
1115 'M','i','c','r','o','s','o','f','t','\\',
1116 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
1117 'D','e','f','a','u','l','t','s','\\',
1118 'P','r','o','v','i','d','e','r',0
1120 static const WCHAR typeW[] = {'T','y','p','e',0};
1122 TRACE("(%d, %p, %d, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
1123 pdwProvType, pszProvName, pcbProvName);
1125 if (pdwReserved || !pcbProvName)
1127 SetLastError(ERROR_INVALID_PARAMETER);
1132 SetLastError(NTE_BAD_FLAGS);
1136 if (RegOpenKeyW(HKEY_LOCAL_MACHINE, providerW, &hKey))
1138 SetLastError(NTE_FAIL);
1147 RegQueryInfoKeyW(hKey, NULL, NULL, NULL, &numkeys, pcbProvName,
1148 NULL, NULL, NULL, NULL, NULL, NULL);
1150 if (!(provNameW = CRYPT_Alloc(*pcbProvName * sizeof(WCHAR))))
1152 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1156 RegEnumKeyExW(hKey, dwIndex, provNameW, pcbProvName, NULL, NULL, NULL, NULL);
1157 CRYPT_Free(provNameW);
1159 *pcbProvName *= sizeof(WCHAR);
1161 if (dwIndex >= numkeys)
1163 SetLastError(ERROR_NO_MORE_ITEMS);
1167 DWORD size = sizeof(DWORD);
1171 result = RegEnumKeyW(hKey, dwIndex, pszProvName, *pcbProvName / sizeof(WCHAR));
1174 SetLastError(result);
1177 if (RegOpenKeyW(hKey, pszProvName, &subkey))
1179 if (RegQueryValueExW(subkey, typeW, NULL, NULL, (BYTE*)pdwProvType, &size))
1181 RegCloseKey(subkey);
1187 /******************************************************************************
1188 * CryptEnumProvidersA (ADVAPI32.@)
1190 * See CryptEnumProvidersW.
1192 BOOL WINAPI CryptEnumProvidersA (DWORD dwIndex, DWORD *pdwReserved,
1193 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszProvName, DWORD *pcbProvName)
1197 BOOL ret; /* = FALSE; */
1199 TRACE("(%d, %p, %08x, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
1200 pdwProvType, pszProvName, pcbProvName);
1202 if(!CryptEnumProvidersW(dwIndex, pdwReserved, dwFlags, pdwProvType, NULL, &bufsize))
1204 if ( pszProvName && !(str = CRYPT_Alloc(bufsize)) )
1206 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1209 ret = CryptEnumProvidersW(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &bufsize);
1211 CRYPT_UnicodeToANSI(str, &pszProvName, *pcbProvName);
1212 *pcbProvName = bufsize / sizeof(WCHAR); /* FIXME: not correct */
1216 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1218 SetLastError(ERROR_MORE_DATA);
1225 /******************************************************************************
1226 * CryptEnumProviderTypesW (ADVAPI32.@)
1228 * Retrieves the next type of CSP supported.
1231 * dwIndex [I] Index of the next provider to be enumerated.
1232 * pdwReserved [I] Reserved for future use and must be NULL.
1233 * dwFlags [I] Reserved for future use and must be zero.
1234 * pdwProvType [O] DWORD designating the type of the provider.
1235 * pszTypeName [O] Buffer that receives data from the provider type.
1236 * pcbTypeName [I/O] Specifies the size of pszTypeName. Contains the number
1237 * of bytes stored in the buffer on return.
1244 * If pszTypeName is NULL, CryptEnumProviderTypesW sets the size of the name
1245 * for memory allocation purposes.
1247 BOOL WINAPI CryptEnumProviderTypesW (DWORD dwIndex, DWORD *pdwReserved,
1248 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszTypeName, DWORD *pcbTypeName)
1251 DWORD keylen, numkeys, dwType;
1254 static const WCHAR KEYSTR[] = {
1255 'S','o','f','t','w','a','r','e','\\',
1256 'M','i','c','r','o','s','o','f','t','\\',
1257 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
1258 'D','e','f','a','u','l','t','s','\\',
1259 'P','r','o','v','i','d','e','r',' ','T','y','p','e','s',0
1261 static const WCHAR typenameW[] = {'T','y','p','e','N','a','m','e',0};
1263 TRACE("(%d, %p, %08x, %p, %p, %p)\n", dwIndex, pdwReserved,
1264 dwFlags, pdwProvType, pszTypeName, pcbTypeName);
1266 if (pdwReserved || !pdwProvType || !pcbTypeName)
1268 SetLastError(ERROR_INVALID_PARAMETER);
1273 SetLastError(NTE_BAD_FLAGS);
1277 if (RegOpenKeyW(HKEY_LOCAL_MACHINE, KEYSTR, &hKey))
1280 RegQueryInfoKeyW(hKey, NULL, NULL, NULL, &numkeys, &keylen, NULL, NULL, NULL, NULL, NULL, NULL);
1281 if (dwIndex >= numkeys)
1283 SetLastError(ERROR_NO_MORE_ITEMS);
1287 if ( !(keyname = CRYPT_Alloc(keylen*sizeof(WCHAR))) )
1289 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1292 if ( RegEnumKeyW(hKey, dwIndex, keyname, keylen) ) {
1293 CRYPT_Free(keyname);
1296 RegOpenKeyW(hKey, keyname, &hSubkey);
1297 ch = keyname + strlenW(keyname);
1298 /* Convert "Type 000" to 0, etc/ */
1299 *pdwProvType = *(--ch) - '0';
1300 *pdwProvType += (*(--ch) - '0') * 10;
1301 *pdwProvType += (*(--ch) - '0') * 100;
1302 CRYPT_Free(keyname);
1304 result = RegQueryValueExW(hSubkey, typenameW, NULL, &dwType, (LPBYTE)pszTypeName, pcbTypeName);
1307 SetLastError(result);
1311 RegCloseKey(hSubkey);
1316 /******************************************************************************
1317 * CryptEnumProviderTypesA (ADVAPI32.@)
1319 * See CryptEnumProviderTypesW.
1321 BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
1322 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszTypeName, DWORD *pcbTypeName)
1328 TRACE("(%d, %p, %08x, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
1329 pdwProvType, pszTypeName, pcbTypeName);
1331 if(!CryptEnumProviderTypesW(dwIndex, pdwReserved, dwFlags, pdwProvType, NULL, &bufsize))
1333 if ( pszTypeName && !(str = CRYPT_Alloc(bufsize)) )
1335 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1338 ret = CryptEnumProviderTypesW(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &bufsize);
1340 CRYPT_UnicodeToANSI(str, &pszTypeName, *pcbTypeName);
1341 *pcbTypeName = bufsize / sizeof(WCHAR);
1345 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1347 SetLastError(ERROR_MORE_DATA);
1354 /******************************************************************************
1355 * CryptExportKey (ADVAPI32.@)
1357 * Exports a cryptographic key from a CSP.
1360 * hKey [I] Handle to the key to export.
1361 * hExpKey [I] Handle to a cryptographic key of the end user.
1362 * dwBlobType [I] Type of BLOB to be exported.
1363 * dwFlags [I] CRYPT_DESTROYKEY/SSL2_FALLBACK/OAEP.
1364 * pbData [O] Buffer to receive BLOB data.
1365 * pdwDataLen [I/O] Specifies the size of pbData.
1372 * if pbData is NULL, CryptExportKey sets pdwDataLen as the size of the
1373 * buffer needed to hold the BLOB.
1375 BOOL WINAPI CryptExportKey (HCRYPTKEY hKey, HCRYPTKEY hExpKey, DWORD dwBlobType,
1376 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
1379 PCRYPTKEY key = (PCRYPTKEY)hKey, expkey = (PCRYPTKEY)hExpKey;
1381 TRACE("(0x%lx, 0x%lx, %d, %08x, %p, %p)\n", hKey, hExpKey, dwBlobType, dwFlags, pbData, pdwDataLen);
1383 if (!key || !pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
1385 SetLastError(ERROR_INVALID_PARAMETER);
1389 prov = key->pProvider;
1390 return prov->pFuncs->pCPExportKey(prov->hPrivate, key->hPrivate, expkey ? expkey->hPrivate : 0,
1391 dwBlobType, dwFlags, pbData, pdwDataLen);
1394 /******************************************************************************
1395 * CryptGenKey (ADVAPI32.@)
1397 * Generates a random cryptographic session key or a pub/priv key pair.
1400 * hProv [I] Handle to a CSP.
1401 * Algid [I] Algorithm to use to make key.
1402 * dwFlags [I] Specifies type of key to make.
1403 * phKey [I] Address of the handle to which the new key is copied.
1409 BOOL WINAPI CryptGenKey (HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
1411 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1414 TRACE("(0x%lx, %d, %08x, %p)\n", hProv, Algid, dwFlags, phKey);
1418 SetLastError(ERROR_INVALID_HANDLE);
1421 if (!phKey || !prov || prov->dwMagic != MAGIC_CRYPTPROV)
1423 SetLastError(ERROR_INVALID_PARAMETER);
1426 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1428 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1432 key->pProvider = prov;
1434 if (prov->pFuncs->pCPGenKey(prov->hPrivate, Algid, dwFlags, &key->hPrivate))
1436 *phKey = (HCRYPTKEY)key;
1445 /******************************************************************************
1446 * CryptGetDefaultProviderW (ADVAPI32.@)
1448 * Finds the default CSP of a certain provider type.
1451 * dwProvType [I] Provider type to look for.
1452 * pdwReserved [I] Reserved for future use and must be NULL.
1453 * dwFlags [I] CRYPT_MACHINE_DEFAULT/USER_DEFAULT
1454 * pszProvName [O] Name of the default CSP.
1455 * pcbProvName [I/O] Size of pszProvName
1462 * If pszProvName is NULL, pcbProvName will hold the size of the buffer for
1463 * memory allocation purposes on return.
1465 BOOL WINAPI CryptGetDefaultProviderW (DWORD dwProvType, DWORD *pdwReserved,
1466 DWORD dwFlags, LPWSTR pszProvName, DWORD *pcbProvName)
1471 static const WCHAR nameW[] = {'N','a','m','e',0};
1473 if (pdwReserved || !pcbProvName)
1475 SetLastError(ERROR_INVALID_PARAMETER);
1478 if (dwFlags & ~(CRYPT_USER_DEFAULT | CRYPT_MACHINE_DEFAULT))
1480 SetLastError(NTE_BAD_FLAGS);
1483 if (dwProvType > 999)
1485 SetLastError(NTE_BAD_PROV_TYPE);
1488 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1490 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1493 if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE ,keyname, &hKey))
1495 CRYPT_Free(keyname);
1496 SetLastError(NTE_PROV_TYPE_NOT_DEF);
1499 CRYPT_Free(keyname);
1501 result = RegQueryValueExW(hKey, nameW, NULL, NULL, (LPBYTE)pszProvName, pcbProvName);
1504 if (result != ERROR_MORE_DATA)
1505 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
1507 SetLastError(result);
1516 /******************************************************************************
1517 * CryptGetDefaultProviderA (ADVAPI32.@)
1519 * See CryptGetDefaultProviderW.
1521 BOOL WINAPI CryptGetDefaultProviderA (DWORD dwProvType, DWORD *pdwReserved,
1522 DWORD dwFlags, LPSTR pszProvName, DWORD *pcbProvName)
1528 TRACE("(%d, %p, %08x, %p, %p)\n", dwProvType, pdwReserved, dwFlags, pszProvName, pcbProvName);
1530 CryptGetDefaultProviderW(dwProvType, pdwReserved, dwFlags, NULL, &bufsize);
1531 if ( pszProvName && !(str = CRYPT_Alloc(bufsize)) )
1533 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1536 ret = CryptGetDefaultProviderW(dwProvType, pdwReserved, dwFlags, str, &bufsize);
1538 CRYPT_UnicodeToANSI(str, &pszProvName, *pcbProvName);
1539 *pcbProvName = bufsize / sizeof(WCHAR);
1543 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1545 SetLastError(ERROR_MORE_DATA);
1552 /******************************************************************************
1553 * CryptGetHashParam (ADVAPI32.@)
1555 * Retrieves data that controls the operations of a hash object.
1558 * hHash [I] Handle of the hash object to question.
1559 * dwParam [I] Query type.
1560 * pbData [O] Buffer that receives the value data.
1561 * pdwDataLen [I/O] Size of the pbData buffer.
1562 * dwFlags [I] Reserved for future use and must be zero.
1569 * If pbData is NULL, pdwDataLen will contain the length required.
1571 BOOL WINAPI CryptGetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
1572 DWORD *pdwDataLen, DWORD dwFlags)
1575 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1577 TRACE("(0x%lx, %d, %p, %p, %08x)\n", hHash, dwParam, pbData, pdwDataLen, dwFlags);
1579 if (!hash || !pdwDataLen || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
1581 SetLastError(ERROR_INVALID_PARAMETER);
1585 prov = hash->pProvider;
1586 return prov->pFuncs->pCPGetHashParam(prov->hPrivate, hash->hPrivate, dwParam,
1587 pbData, pdwDataLen, dwFlags);
1590 /******************************************************************************
1591 * CryptGetKeyParam (ADVAPI32.@)
1593 * Retrieves data that controls the operations of a key.
1596 * hKey [I] Handle to they key in question.
1597 * dwParam [I] Specifies query type.
1598 * pbData [O] Sequence of bytes to receive data.
1599 * pdwDataLen [I/O] Size of pbData.
1600 * dwFlags [I] Reserved for future use and must be zero.
1607 * If pbData is NULL, pdwDataLen is set to the needed length of the buffer.
1609 BOOL WINAPI CryptGetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
1610 DWORD *pdwDataLen, DWORD dwFlags)
1613 PCRYPTKEY key = (PCRYPTKEY)hKey;
1615 TRACE("(0x%lx, %d, %p, %p, %08x)\n", hKey, dwParam, pbData, pdwDataLen, dwFlags);
1617 if (!key || !pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
1619 SetLastError(ERROR_INVALID_PARAMETER);
1623 prov = key->pProvider;
1624 return prov->pFuncs->pCPGetKeyParam(prov->hPrivate, key->hPrivate, dwParam,
1625 pbData, pdwDataLen, dwFlags);
1628 /******************************************************************************
1629 * CryptGetProvParam (ADVAPI32.@)
1631 * Retrieves parameters that control the operations of a CSP.
1634 * hProv [I] Handle of the CSP in question.
1635 * dwParam [I] Specifies query type.
1636 * pbData [O] Buffer to receive the data.
1637 * pdwDataLen [I/O] Size of pbData.
1638 * dwFlags [I] see MSDN Docs.
1645 * If pbData is NULL, pdwDataLen is set to the needed buffer length.
1647 BOOL WINAPI CryptGetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
1648 DWORD *pdwDataLen, DWORD dwFlags)
1650 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1652 TRACE("(0x%lx, %d, %p, %p, %08x)\n", hProv, dwParam, pbData, pdwDataLen, dwFlags);
1654 if (!prov || prov->dwMagic != MAGIC_CRYPTPROV)
1656 SetLastError(ERROR_INVALID_PARAMETER);
1660 return prov->pFuncs->pCPGetProvParam(prov->hPrivate, dwParam, pbData, pdwDataLen, dwFlags);
1663 /******************************************************************************
1664 * CryptGetUserKey (ADVAPI32.@)
1666 * Gets a handle of one of a user's two public/private key pairs.
1669 * hProv [I] Handle of a CSP.
1670 * dwKeySpec [I] Private key to use.
1671 * phUserKey [O] Pointer to the handle of the retrieved keys.
1677 BOOL WINAPI CryptGetUserKey (HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
1679 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1682 TRACE("(0x%lx, %d, %p)\n", hProv, dwKeySpec, phUserKey);
1686 SetLastError(ERROR_INVALID_HANDLE);
1689 if (!phUserKey || prov->dwMagic != MAGIC_CRYPTPROV)
1691 SetLastError(ERROR_INVALID_PARAMETER);
1694 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1696 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1700 key->pProvider = prov;
1702 if (prov->pFuncs->pCPGetUserKey(prov->hPrivate, dwKeySpec, &key->hPrivate))
1704 *phUserKey = (HCRYPTKEY)key;
1714 /******************************************************************************
1715 * CryptHashData (ADVAPI32.@)
1717 * Adds data to a hash object.
1720 * hHash [I] Handle of the hash object.
1721 * pbData [I] Buffer of data to be hashed.
1722 * dwDataLen [I] Number of bytes to add.
1723 * dwFlags [I] Can be CRYPT_USERDATA
1729 BOOL WINAPI CryptHashData (HCRYPTHASH hHash, const BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
1731 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1734 TRACE("(0x%lx, %p, %d, %08x)\n", hHash, pbData, dwDataLen, dwFlags);
1738 SetLastError(ERROR_INVALID_HANDLE);
1741 if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
1743 SetLastError(ERROR_INVALID_PARAMETER);
1747 prov = hash->pProvider;
1748 return prov->pFuncs->pCPHashData(prov->hPrivate, hash->hPrivate, pbData, dwDataLen, dwFlags);
1751 /******************************************************************************
1752 * CryptHashSessionKey (ADVAPI32.@)
1754 * Compute the cryptographic hash of a session key object.
1757 * hHash [I] Handle to the hash object.
1758 * hKey [I] Handle to the key to be hashed.
1759 * dwFlags [I] Can be CRYPT_LITTLE_ENDIAN.
1765 BOOL WINAPI CryptHashSessionKey (HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
1767 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1768 PCRYPTKEY key = (PCRYPTKEY)hKey;
1771 TRACE("(0x%lx, 0x%lx, %08x)\n", hHash, hKey, dwFlags);
1775 SetLastError(ERROR_INVALID_HANDLE);
1779 if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
1781 SetLastError(ERROR_INVALID_PARAMETER);
1785 prov = hash->pProvider;
1786 return prov->pFuncs->pCPHashSessionKey(prov->hPrivate, hash->hPrivate, key->hPrivate, dwFlags);
1789 /******************************************************************************
1790 * CryptImportKey (ADVAPI32.@)
1792 * Transfer a cryptographic key from a key BLOB into a cryptographic service provider (CSP).
1795 * hProv [I] Handle of a CSP.
1796 * pbData [I] Contains the key to be imported.
1797 * dwDataLen [I] Length of the key.
1798 * hPubKey [I] Cryptographic key that decrypts pdData
1799 * dwFlags [I] Used only with a public/private key pair.
1800 * phKey [O] Imported key.
1806 BOOL WINAPI CryptImportKey (HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
1807 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
1809 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1810 PCRYPTKEY pubkey = (PCRYPTKEY)hPubKey, importkey;
1812 TRACE("(0x%lx, %p, %d, 0x%lx, %08x, %p)\n", hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
1814 if (!prov || !pbData || !dwDataLen || !phKey || prov->dwMagic != MAGIC_CRYPTPROV)
1816 SetLastError(ERROR_INVALID_PARAMETER);
1820 if ( !(importkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1822 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1826 importkey->pProvider = prov;
1827 if (prov->pFuncs->pCPImportKey(prov->hPrivate, pbData, dwDataLen,
1828 pubkey ? pubkey->hPrivate : 0, dwFlags, &importkey->hPrivate))
1830 *phKey = (HCRYPTKEY)importkey;
1834 CRYPT_Free(importkey);
1838 /******************************************************************************
1839 * CryptSignHashW (ADVAPI32.@)
1844 * hHash [I] Handle of the hash object to be signed.
1845 * dwKeySpec [I] Private key to use.
1846 * sDescription [I] Should be NULL.
1847 * dwFlags [I] CRYPT_NOHASHOID/X931_FORMAT.
1848 * pbSignature [O] Buffer of the signature data.
1849 * pdwSigLen [I/O] Size of the pbSignature buffer.
1856 * Because of security flaws sDescription should not be used and should thus be
1857 * NULL. It is supported only for compatibility with Microsoft's Cryptographic
1860 BOOL WINAPI CryptSignHashW (HCRYPTHASH hHash, DWORD dwKeySpec, LPCWSTR sDescription,
1861 DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
1863 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1866 TRACE("(0x%lx, %d, %s, %08x, %p, %p)\n",
1867 hHash, dwKeySpec, debugstr_w(sDescription), dwFlags, pbSignature, pdwSigLen);
1871 SetLastError(ERROR_INVALID_HANDLE);
1874 if (!pdwSigLen || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
1876 SetLastError(ERROR_INVALID_PARAMETER);
1880 prov = hash->pProvider;
1881 return prov->pFuncs->pCPSignHash(prov->hPrivate, hash->hPrivate, dwKeySpec, sDescription,
1882 dwFlags, pbSignature, pdwSigLen);
1885 /******************************************************************************
1886 * CryptSignHashA (ADVAPI32.@)
1888 * See CryptSignHashW.
1890 BOOL WINAPI CryptSignHashA (HCRYPTHASH hHash, DWORD dwKeySpec, LPCSTR sDescription,
1891 DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
1893 LPWSTR wsDescription;
1896 TRACE("(0x%lx, %d, %s, %08x, %p, %p)\n",
1897 hHash, dwKeySpec, debugstr_a(sDescription), dwFlags, pbSignature, pdwSigLen);
1899 CRYPT_ANSIToUnicode(sDescription, &wsDescription, -1);
1900 result = CryptSignHashW(hHash, dwKeySpec, wsDescription, dwFlags, pbSignature, pdwSigLen);
1901 CRYPT_Free(wsDescription);
1906 /******************************************************************************
1907 * CryptSetHashParam (ADVAPI32.@)
1909 * Customizes the operations of a hash object.
1912 * hHash [I] Handle of the hash object to set parameters.
1913 * dwParam [I] HP_HMAC_INFO/HASHVAL.
1914 * pbData [I] Value data buffer.
1915 * dwFlags [I] Reserved for future use and must be zero.
1921 BOOL WINAPI CryptSetHashParam (HCRYPTHASH hHash, DWORD dwParam, CONST BYTE *pbData, DWORD dwFlags)
1924 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1926 TRACE("(0x%lx, %d, %p, %08x)\n", hHash, dwParam, pbData, dwFlags);
1928 if (!hash || !pbData || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
1930 SetLastError(ERROR_INVALID_PARAMETER);
1934 prov = hash->pProvider;
1935 return prov->pFuncs->pCPSetHashParam(prov->hPrivate, hash->hPrivate,
1936 dwParam, pbData, dwFlags);
1939 /******************************************************************************
1940 * CryptSetKeyParam (ADVAPI32.@)
1942 * Customizes a session key's operations.
1945 * hKey [I] Handle to the key to set values.
1946 * dwParam [I] See MSDN Doc.
1947 * pbData [I] Buffer of values to set.
1948 * dwFlags [I] Only used when dwParam == KP_ALGID.
1954 BOOL WINAPI CryptSetKeyParam (HCRYPTKEY hKey, DWORD dwParam, CONST BYTE *pbData, DWORD dwFlags)
1957 PCRYPTKEY key = (PCRYPTKEY)hKey;
1959 TRACE("(0x%lx, %d, %p, %08x)\n", hKey, dwParam, pbData, dwFlags);
1961 if (!key || !pbData || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
1963 SetLastError(ERROR_INVALID_PARAMETER);
1967 prov = key->pProvider;
1968 return prov->pFuncs->pCPSetKeyParam(prov->hPrivate, key->hPrivate,
1969 dwParam, pbData, dwFlags);
1972 /******************************************************************************
1973 * CryptSetProviderA (ADVAPI32.@)
1975 * Specifies the current user's default CSP.
1978 * pszProvName [I] Name of the new default CSP.
1979 * dwProvType [I] Provider type of the CSP.
1985 BOOL WINAPI CryptSetProviderA (LPCSTR pszProvName, DWORD dwProvType)
1987 TRACE("(%s, %d)\n", pszProvName, dwProvType);
1988 return CryptSetProviderExA(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
1991 /******************************************************************************
1992 * CryptSetProviderW (ADVAPI32.@)
1994 * See CryptSetProviderA.
1996 BOOL WINAPI CryptSetProviderW (LPCWSTR pszProvName, DWORD dwProvType)
1998 TRACE("(%s, %d)\n", debugstr_w(pszProvName), dwProvType);
1999 return CryptSetProviderExW(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
2002 /******************************************************************************
2003 * CryptSetProviderExW (ADVAPI32.@)
2005 * Specifies the default CSP.
2008 * pszProvName [I] Name of the new default CSP.
2009 * dwProvType [I] Provider type of the CSP.
2010 * pdwReserved [I] Reserved for future use and must be NULL.
2011 * dwFlags [I] See MSDN Doc.
2017 BOOL WINAPI CryptSetProviderExW (LPCWSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
2019 HKEY hProvKey, hTypeKey;
2021 static const WCHAR nameW[] = {'N','a','m','e',0};
2023 TRACE("(%s, %d, %p, %08x)\n", debugstr_w(pszProvName), dwProvType, pdwReserved, dwFlags);
2025 if (!pszProvName || pdwReserved)
2027 SetLastError(ERROR_INVALID_PARAMETER);
2030 if (dwProvType > MAXPROVTYPES)
2032 SetLastError(NTE_BAD_PROV_TYPE);
2035 if (dwFlags & ~(CRYPT_MACHINE_DEFAULT | CRYPT_USER_DEFAULT | CRYPT_DELETE_DEFAULT)
2036 || dwFlags == CRYPT_DELETE_DEFAULT)
2038 SetLastError(NTE_BAD_FLAGS);
2042 if (!(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)))
2044 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
2047 if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE,
2048 keyname, &hTypeKey))
2050 CRYPT_Free(keyname);
2051 SetLastError(NTE_BAD_PROVIDER);
2054 CRYPT_Free(keyname);
2056 if (dwFlags & CRYPT_DELETE_DEFAULT)
2058 RegDeleteValueW(hTypeKey, nameW);
2062 if (!(keyname = CRYPT_GetProvKeyName(pszProvName)))
2064 RegCloseKey(hTypeKey);
2065 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
2068 if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE,
2069 keyname, &hProvKey))
2071 CRYPT_Free(keyname);
2072 RegCloseKey(hTypeKey);
2073 SetLastError(NTE_BAD_PROVIDER);
2076 CRYPT_Free(keyname);
2078 if (RegSetValueExW(hTypeKey, nameW, 0, REG_SZ, (const BYTE *)pszProvName,
2079 (strlenW(pszProvName) + 1)*sizeof(WCHAR)))
2081 RegCloseKey(hTypeKey);
2082 RegCloseKey(hProvKey);
2086 RegCloseKey(hProvKey);
2088 RegCloseKey(hTypeKey);
2093 /******************************************************************************
2094 * CryptSetProviderExA (ADVAPI32.@)
2096 * See CryptSetProviderExW.
2098 BOOL WINAPI CryptSetProviderExA (LPCSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
2103 TRACE("(%s, %d, %p, %08x)\n", pszProvName, dwProvType, pdwReserved, dwFlags);
2105 if (CRYPT_ANSIToUnicode(pszProvName, &str, -1))
2107 ret = CryptSetProviderExW(str, dwProvType, pdwReserved, dwFlags);
2113 /******************************************************************************
2114 * CryptSetProvParam (ADVAPI32.@)
2116 * Customizes the operations of a CSP.
2119 * hProv [I] Handle of a CSP.
2120 * dwParam [I] See MSDN Doc.
2121 * pbData [I] Buffer that contains a value to set as a parameter.
2122 * dwFlags [I] if dwParam is PP_USE_HARDWARE_RNG, dwFlags must be zero.
2128 BOOL WINAPI CryptSetProvParam (HCRYPTPROV hProv, DWORD dwParam, CONST BYTE *pbData, DWORD dwFlags)
2130 PCRYPTPROV prov = (PCRYPTPROV)hProv;
2132 TRACE("(0x%lx, %d, %p, %08x)\n", hProv, dwParam, pbData, dwFlags);
2136 SetLastError(ERROR_INVALID_HANDLE);
2139 if (prov->dwMagic != MAGIC_CRYPTPROV)
2141 SetLastError(ERROR_INVALID_PARAMETER);
2144 if (dwFlags & PP_USE_HARDWARE_RNG)
2146 FIXME("PP_USE_HARDWARE_RNG: What do I do with this?\n");
2147 FIXME("\tLetting the CSP decide.\n");
2149 if (dwFlags & PP_CLIENT_HWND)
2151 /* FIXME: Should verify the parameter */
2152 if (pbData /* && IsWindow((HWND)pbData) */)
2154 crypt_hWindow = (HWND)(pbData);
2157 SetLastError(ERROR_INVALID_PARAMETER);
2161 /* All other flags go to the CSP */
2162 return prov->pFuncs->pCPSetProvParam(prov->hPrivate, dwParam, pbData, dwFlags);
2165 /******************************************************************************
2166 * CryptVerifySignatureW (ADVAPI32.@)
2168 * Verifies the signature of a hash object.
2171 * hHash [I] Handle of the hash object to verify.
2172 * pbSignature [I] Signature data to verify.
2173 * dwSigLen [I] Size of pbSignature.
2174 * hPubKey [I] Handle to the public key to authenticate signature.
2175 * sDescription [I] Should be NULL.
2176 * dwFlags [I] See MSDN doc.
2183 * Because of security flaws sDescription should not be used and should thus be
2184 * NULL. It is supported only for compatibility with Microsoft's Cryptographic
2187 BOOL WINAPI CryptVerifySignatureW (HCRYPTHASH hHash, CONST BYTE *pbSignature, DWORD dwSigLen,
2188 HCRYPTKEY hPubKey, LPCWSTR sDescription, DWORD dwFlags)
2190 PCRYPTHASH hash = (PCRYPTHASH)hHash;
2191 PCRYPTKEY key = (PCRYPTKEY)hPubKey;
2194 TRACE("(0x%lx, %p, %d, 0x%lx, %s, %08x)\n", hHash, pbSignature,
2195 dwSigLen, hPubKey, debugstr_w(sDescription), dwFlags);
2197 if (!hash || !key ||
2198 !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV ||
2199 !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
2201 SetLastError(ERROR_INVALID_PARAMETER);
2205 prov = hash->pProvider;
2206 return prov->pFuncs->pCPVerifySignature(prov->hPrivate, hash->hPrivate, pbSignature, dwSigLen,
2207 key->hPrivate, sDescription, dwFlags);
2210 /******************************************************************************
2211 * CryptVerifySignatureA (ADVAPI32.@)
2213 * See CryptVerifySignatureW.
2215 BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, CONST BYTE *pbSignature, DWORD dwSigLen,
2216 HCRYPTKEY hPubKey, LPCSTR sDescription, DWORD dwFlags)
2218 LPWSTR wsDescription;
2221 TRACE("(0x%lx, %p, %d, 0x%lx, %s, %08x)\n", hHash, pbSignature,
2222 dwSigLen, hPubKey, debugstr_a(sDescription), dwFlags);
2224 CRYPT_ANSIToUnicode(sDescription, &wsDescription, -1);
2225 result = CryptVerifySignatureW(hHash, pbSignature, dwSigLen, hPubKey, wsDescription, dwFlags);
2226 CRYPT_Free(wsDescription);
2231 /******************************************************************************
2232 * SystemFunction030 (ADVAPI32.@)
2234 * Tests if two blocks of 16 bytes are equal
2237 * b1,b2 [I] block of 16 bytes
2240 * TRUE if blocks are the same
2241 * FALSE if blocks are different
2243 BOOL WINAPI SystemFunction030(LPCVOID b1, LPCVOID b2)
2245 return !memcmp(b1, b2, 0x10);
2248 /******************************************************************************
2249 * SystemFunction035 (ADVAPI32.@)
2252 http://disc.server.com/discussion.cgi?disc=148775;article=942;title=Coding%2FASM%2FSystem
2255 * Stub, always return TRUE.
2257 BOOL WINAPI SystemFunction035(LPCSTR lpszDllFilePath)
2259 FIXME("%s: stub\n", debugstr_a(lpszDllFilePath));
2263 /******************************************************************************
2264 * SystemFunction036 (ADVAPI32.@)
2266 * MSDN documents this function as RtlGenRandom and declares it in ntsecapi.h
2269 * pbBufer [O] Pointer to memory to receive random bytes.
2270 * dwLen [I] Number of random bytes to fetch.
2277 BOOLEAN WINAPI SystemFunction036(PVOID pbBuffer, ULONG dwLen)
2281 dev_random = open("/dev/urandom", O_RDONLY);
2282 if (dev_random != -1)
2284 if (read(dev_random, pbBuffer, dwLen) == (ssize_t)dwLen)
2292 FIXME("couldn't open /dev/urandom\n");
2293 SetLastError(NTE_FAIL);
2298 These functions have nearly identical prototypes to CryptProtectMemory and CryptUnprotectMemory,
2302 /******************************************************************************
2303 * SystemFunction040 (ADVAPI32.@)
2305 * MSDN documents this function as RtlEncryptMemory and declares it in ntsecapi.h.
2308 * memory [I/O] Pointer to memory to encrypt.
2309 * length [I] Length of region to encrypt in bytes.
2310 * flags [I] Control whether other processes are able to decrypt the memory.
2311 * RTL_ENCRYPT_OPTION_SAME_PROCESS
2312 * RTL_ENCRYPT_OPTION_CROSS_PROCESS
2313 * RTL_ENCRYPT_OPTION_SAME_LOGON
2316 * Success: STATUS_SUCCESS
2317 * Failure: NTSTATUS error code
2320 * length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
2321 * If flags are specified when encrypting, the same flag value must be given
2322 * when decrypting the memory.
2324 NTSTATUS WINAPI SystemFunction040(PVOID memory, ULONG length, ULONG flags)
2326 FIXME("(%p, %x, %x): stub [RtlEncryptMemory]\n", memory, length, flags);
2327 return STATUS_SUCCESS;
2330 /******************************************************************************
2331 * SystemFunction041 (ADVAPI32.@)
2333 * MSDN documents this function as RtlDecryptMemory and declares it in ntsecapi.h.
2336 * memory [I/O] Pointer to memory to decrypt.
2337 * length [I] Length of region to decrypt in bytes.
2338 * flags [I] Control whether other processes are able to decrypt the memory.
2339 * RTL_ENCRYPT_OPTION_SAME_PROCESS
2340 * RTL_ENCRYPT_OPTION_CROSS_PROCESS
2341 * RTL_ENCRYPT_OPTION_SAME_LOGON
2344 * Success: STATUS_SUCCESS
2345 * Failure: NTSTATUS error code
2348 * length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
2349 * If flags are specified when encrypting, the same flag value must be given
2350 * when decrypting the memory.
2352 NTSTATUS WINAPI SystemFunction041(PVOID memory, ULONG length, ULONG flags)
2354 FIXME("(%p, %x, %x): stub [RtlDecryptMemory]\n", memory, length, flags);
2355 return STATUS_SUCCESS;