2 * Copyright 2005 Juan Lang
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef __CRYPT32_PRIVATE_H__
20 #define __CRYPT32_PRIVATE_H__
22 /* a few asn.1 tags we need */
23 #define ASN_BOOL (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x01)
24 #define ASN_BITSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x03)
25 #define ASN_ENUMERATED (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x0a)
26 #define ASN_UTF8STRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x0c)
27 #define ASN_SETOF (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x11)
28 #define ASN_NUMERICSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x12)
29 #define ASN_PRINTABLESTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x13)
30 #define ASN_T61STRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x14)
31 #define ASN_VIDEOTEXSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x15)
32 #define ASN_IA5STRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x16)
33 #define ASN_UTCTIME (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x17)
34 #define ASN_GENERALTIME (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x18)
35 #define ASN_GRAPHICSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x19)
36 #define ASN_VISIBLESTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1a)
37 #define ASN_GENERALSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1b)
38 #define ASN_UNIVERSALSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1c)
39 #define ASN_BMPSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1e)
41 BOOL CRYPT_EncodeLen(DWORD len, BYTE *pbEncoded, DWORD *pcbEncoded);
43 typedef BOOL (WINAPI *CryptEncodeObjectExFunc)(DWORD, LPCSTR, const void *,
44 DWORD, PCRYPT_ENCODE_PARA, BYTE *, DWORD *);
46 struct AsnEncodeSequenceItem
48 const void *pvStructInfo;
49 CryptEncodeObjectExFunc encodeFunc;
50 DWORD size; /* used during encoding, not for your use */
53 BOOL WINAPI CRYPT_AsnEncodeSequence(DWORD dwCertEncodingType,
54 struct AsnEncodeSequenceItem items[], DWORD cItem, DWORD dwFlags,
55 PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
57 struct AsnConstructedItem
60 const void *pvStructInfo;
61 CryptEncodeObjectExFunc encodeFunc;
64 BOOL WINAPI CRYPT_AsnEncodeConstructed(DWORD dwCertEncodingType,
65 LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
66 PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
67 BOOL WINAPI CRYPT_AsnEncodeOid(DWORD dwCertEncodingType,
68 LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
69 PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
70 BOOL WINAPI CRYPT_AsnEncodeOctets(DWORD dwCertEncodingType,
71 LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
72 PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
74 typedef struct _CRYPT_DIGESTED_DATA
77 CRYPT_ALGORITHM_IDENTIFIER DigestAlgorithm;
78 CRYPT_CONTENT_INFO ContentInfo;
80 } CRYPT_DIGESTED_DATA;
82 BOOL CRYPT_AsnEncodePKCSDigestedData(const CRYPT_DIGESTED_DATA *digestedData,
83 void *pvData, DWORD *pcbData);
85 typedef struct _CRYPT_ENCRYPTED_CONTENT_INFO
88 CRYPT_ALGORITHM_IDENTIFIER contentEncryptionAlgorithm;
89 CRYPT_DATA_BLOB encryptedContent;
90 } CRYPT_ENCRYPTED_CONTENT_INFO;
92 typedef struct _CRYPT_ENVELOPED_DATA
96 PCMSG_KEY_TRANS_RECIPIENT_INFO rgRecipientInfo;
97 CRYPT_ENCRYPTED_CONTENT_INFO encryptedContentInfo;
98 } CRYPT_ENVELOPED_DATA;
100 BOOL CRYPT_AsnEncodePKCSEnvelopedData(const CRYPT_ENVELOPED_DATA *envelopedData,
101 void *pvData, DWORD *pcbData);
103 typedef struct _CRYPT_SIGNED_INFO
107 PCERT_BLOB rgCertEncoded;
109 PCRL_BLOB rgCrlEncoded;
110 CRYPT_CONTENT_INFO content;
112 PCMSG_CMS_SIGNER_INFO rgSignerInfo;
115 BOOL CRYPT_AsnEncodeCMSSignedInfo(CRYPT_SIGNED_INFO *, void *pvData,
118 BOOL CRYPT_AsnDecodeCMSSignedInfo(const BYTE *pbEncoded, DWORD cbEncoded,
119 DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
120 CRYPT_SIGNED_INFO *signedInfo, DWORD *pcbSignedInfo);
122 /* Helper function to check *pcbEncoded, set it to the required size, and
123 * optionally to allocate memory. Assumes pbEncoded is not NULL.
124 * If CRYPT_ENCODE_ALLOC_FLAG is set in dwFlags, *pbEncoded will be set to a
125 * pointer to the newly allocated memory.
127 BOOL CRYPT_EncodeEnsureSpace(DWORD dwFlags, const CRYPT_ENCODE_PARA *pEncodePara,
128 BYTE *pbEncoded, DWORD *pcbEncoded, DWORD bytesNeeded);
130 BOOL CRYPT_AsnDecodePKCSDigestedData(const BYTE *pbEncoded, DWORD cbEncoded,
131 DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
132 CRYPT_DIGESTED_DATA *digestedData, DWORD *pcbDigestedData);
134 BOOL WINAPI CRYPT_AsnEncodePubKeyInfoNoNull(DWORD dwCertEncodingType,
135 LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
136 PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
138 /* The following aren't defined in wincrypt.h, as they're "reserved" */
139 #define CERT_CERT_PROP_ID 32
140 #define CERT_CRL_PROP_ID 33
141 #define CERT_CTL_PROP_ID 34
143 /* Returns a handle to the default crypto provider; loads it if necessary.
144 * Returns NULL on failure.
146 HCRYPTPROV CRYPT_GetDefaultProvider(void);
150 void crypt_oid_init(void);
151 void crypt_oid_free(void);
152 void crypt_sip_free(void);
153 void root_store_free(void);
154 void default_chain_engine_free(void);
156 /* Some typedefs that make it easier to abstract which type of context we're
159 typedef const void *(WINAPI *CreateContextFunc)(DWORD dwCertEncodingType,
160 const BYTE *pbCertEncoded, DWORD cbCertEncoded);
161 typedef BOOL (WINAPI *AddContextToStoreFunc)(HCERTSTORE hCertStore,
162 const void *context, DWORD dwAddDisposition, const void **ppStoreContext);
163 typedef BOOL (WINAPI *AddEncodedContextToStoreFunc)(HCERTSTORE hCertStore,
164 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
165 DWORD dwAddDisposition, const void **ppContext);
166 typedef const void *(WINAPI *DuplicateContextFunc)(const void *context);
167 typedef const void *(WINAPI *EnumContextsInStoreFunc)(HCERTSTORE hCertStore,
168 const void *pPrevContext);
169 typedef DWORD (WINAPI *EnumPropertiesFunc)(const void *context, DWORD dwPropId);
170 typedef BOOL (WINAPI *GetContextPropertyFunc)(const void *context,
171 DWORD dwPropID, void *pvData, DWORD *pcbData);
172 typedef BOOL (WINAPI *SetContextPropertyFunc)(const void *context,
173 DWORD dwPropID, DWORD dwFlags, const void *pvData);
174 typedef BOOL (WINAPI *SerializeElementFunc)(const void *context, DWORD dwFlags,
175 BYTE *pbElement, DWORD *pcbElement);
176 typedef BOOL (WINAPI *FreeContextFunc)(const void *context);
177 typedef BOOL (WINAPI *DeleteContextFunc)(const void *context);
179 /* An abstract context (certificate, CRL, or CTL) interface */
180 typedef struct _WINE_CONTEXT_INTERFACE
182 CreateContextFunc create;
183 AddContextToStoreFunc addContextToStore;
184 AddEncodedContextToStoreFunc addEncodedToStore;
185 DuplicateContextFunc duplicate;
186 EnumContextsInStoreFunc enumContextsInStore;
187 EnumPropertiesFunc enumProps;
188 GetContextPropertyFunc getProp;
189 SetContextPropertyFunc setProp;
190 SerializeElementFunc serialize;
191 FreeContextFunc free;
192 DeleteContextFunc deleteFromStore;
193 } WINE_CONTEXT_INTERFACE, *PWINE_CONTEXT_INTERFACE;
194 typedef const WINE_CONTEXT_INTERFACE *PCWINE_CONTEXT_INTERFACE;
196 extern PCWINE_CONTEXT_INTERFACE pCertInterface;
197 extern PCWINE_CONTEXT_INTERFACE pCRLInterface;
198 extern PCWINE_CONTEXT_INTERFACE pCTLInterface;
200 /* (Internal) certificate store types and functions */
201 struct WINE_CRYPTCERTSTORE;
203 typedef struct WINE_CRYPTCERTSTORE * (*StoreOpenFunc)(HCRYPTPROV hCryptProv,
204 DWORD dwFlags, const void *pvPara);
206 /* Called to enumerate the next context in a store. */
207 typedef void * (*EnumFunc)(struct WINE_CRYPTCERTSTORE *store, void *pPrev);
209 /* Called to add a context to a store. If toReplace is not NULL,
210 * context replaces toReplace in the store, and access checks should not be
211 * performed. Otherwise context is a new context, and it should only be
212 * added if the store allows it. If ppStoreContext is not NULL, the added
213 * context should be returned in *ppStoreContext.
215 typedef BOOL (*AddFunc)(struct WINE_CRYPTCERTSTORE *store, void *context,
216 void *toReplace, const void **ppStoreContext);
218 typedef BOOL (*DeleteFunc)(struct WINE_CRYPTCERTSTORE *store, void *context);
220 typedef struct _CONTEXT_FUNCS
223 EnumFunc enumContext;
224 DeleteFunc deleteContext;
225 } CONTEXT_FUNCS, *PCONTEXT_FUNCS;
227 typedef enum _CertStoreType {
233 struct _CONTEXT_PROPERTY_LIST;
234 typedef struct _CONTEXT_PROPERTY_LIST *PCONTEXT_PROPERTY_LIST;
236 #define WINE_CRYPTCERTSTORE_MAGIC 0x74726563
238 /* A cert store is polymorphic through the use of function pointers. A type
239 * is still needed to distinguish collection stores from other types.
240 * On the function pointers:
241 * - closeStore is called when the store's ref count becomes 0
242 * - control is optional, but should be implemented by any store that supports
245 typedef struct WINE_CRYPTCERTSTORE
251 PFN_CERT_STORE_PROV_CLOSE closeStore;
255 PFN_CERT_STORE_PROV_CONTROL control; /* optional */
256 PCONTEXT_PROPERTY_LIST properties;
257 } WINECRYPT_CERTSTORE, *PWINECRYPT_CERTSTORE;
259 void CRYPT_InitStore(WINECRYPT_CERTSTORE *store, DWORD dwFlags,
261 void CRYPT_FreeStore(PWINECRYPT_CERTSTORE store);
262 BOOL WINAPI I_CertUpdateStore(HCERTSTORE store1, HCERTSTORE store2, DWORD unk0,
265 PWINECRYPT_CERTSTORE CRYPT_CollectionOpenStore(HCRYPTPROV hCryptProv,
266 DWORD dwFlags, const void *pvPara);
267 PWINECRYPT_CERTSTORE CRYPT_ProvCreateStore(DWORD dwFlags,
268 PWINECRYPT_CERTSTORE memStore, const CERT_STORE_PROV_INFO *pProvInfo);
269 PWINECRYPT_CERTSTORE CRYPT_ProvOpenStore(LPCSTR lpszStoreProvider,
270 DWORD dwEncodingType, HCRYPTPROV hCryptProv, DWORD dwFlags,
272 PWINECRYPT_CERTSTORE CRYPT_RegOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
274 PWINECRYPT_CERTSTORE CRYPT_FileOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
276 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreA(HCRYPTPROV hCryptProv,
277 DWORD dwFlags, const void *pvPara);
278 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreW(HCRYPTPROV hCryptProv,
279 DWORD dwFlags, const void *pvPara);
280 PWINECRYPT_CERTSTORE CRYPT_RootOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags);
282 /* Allocates and initializes a certificate chain engine, but without creating
283 * the root store. Instead, it uses root, and assumes the caller has done any
284 * checking necessary.
286 HCERTCHAINENGINE CRYPT_CreateChainEngine(HCERTSTORE root,
287 PCERT_CHAIN_ENGINE_CONFIG pConfig);
289 /* Helper function for store reading functions and
290 * CertAddSerializedElementToStore. Returns a context of the appropriate type
291 * if it can, or NULL otherwise. Doesn't validate any of the properties in
292 * the serialized context (for example, bad hashes are retained.)
293 * *pdwContentType is set to the type of the returned context.
295 const void *CRYPT_ReadSerializedElement(const BYTE *pbElement,
296 DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType);
298 /* Reads contexts serialized in the file into the memory store. Returns FALSE
299 * if the file is not of the expected format.
301 BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store);
303 /* Reads contexts serialized in the blob into the memory store. Returns FALSE
304 * if the file is not of the expected format.
306 BOOL CRYPT_ReadSerializedStoreFromBlob(const CRYPT_DATA_BLOB *blob,
309 /* Fixes up the pointers in info, where info is assumed to be a
310 * CRYPT_KEY_PROV_INFO, followed by its container name, provider name, and any
311 * provider parameters, in a contiguous buffer, but where info's pointers are
312 * assumed to be invalid. Upon return, info's pointers point to the
313 * appropriate memory locations.
315 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info);
321 DWORD cert_name_to_str_with_indent(DWORD dwCertEncodingType, DWORD indent,
322 const CERT_NAME_BLOB *pName, DWORD dwStrType, LPWSTR psz, DWORD csz);
328 /* Allocates a new data context, a context which owns properties directly.
329 * contextSize is the size of the public data type associated with context,
330 * which should be one of CERT_CONTEXT, CRL_CONTEXT, or CTL_CONTEXT.
331 * Free with Context_Release.
333 void *Context_CreateDataContext(size_t contextSize);
335 /* Creates a new link context with extra bytes. The context refers to linked
336 * rather than owning its own properties. If addRef is TRUE (which ordinarily
337 * it should be) linked is addref'd.
338 * Free with Context_Release.
340 void *Context_CreateLinkContext(unsigned int contextSize, void *linked, unsigned int extra,
343 /* Returns a pointer to the extra bytes allocated with context, which must be
346 void *Context_GetExtra(const void *context, size_t contextSize);
348 /* Gets the context linked to by context, which must be a link context. */
349 void *Context_GetLinkedContext(void *context, size_t contextSize);
351 /* Copies properties from fromContext to toContext. */
352 void Context_CopyProperties(const void *to, const void *from,
355 /* Returns context's properties, or the linked context's properties if context
358 PCONTEXT_PROPERTY_LIST Context_GetProperties(const void *context, size_t contextSize);
360 void Context_AddRef(void *context, size_t contextSize);
362 typedef void (*ContextFreeFunc)(void *context);
364 /* Decrements context's ref count. If context is a link context, releases its
365 * linked context as well.
366 * If a data context has its ref count reach 0, calls dataContextFree on it.
367 * Returns FALSE if the reference count is <= 0 when called.
369 BOOL Context_Release(void *context, size_t contextSize,
370 ContextFreeFunc dataContextFree);
373 * Context property list functions
376 PCONTEXT_PROPERTY_LIST ContextPropertyList_Create(void);
378 /* Searches for the property with ID id in the context. Returns TRUE if found,
379 * and copies the property's length and a pointer to its data to blob.
380 * Otherwise returns FALSE.
382 BOOL ContextPropertyList_FindProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
383 PCRYPT_DATA_BLOB blob);
385 BOOL ContextPropertyList_SetProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
386 const BYTE *pbData, size_t cbData);
388 void ContextPropertyList_RemoveProperty(PCONTEXT_PROPERTY_LIST list, DWORD id);
390 DWORD ContextPropertyList_EnumPropIDs(PCONTEXT_PROPERTY_LIST list, DWORD id);
392 void ContextPropertyList_Copy(PCONTEXT_PROPERTY_LIST to,
393 PCONTEXT_PROPERTY_LIST from);
395 void ContextPropertyList_Free(PCONTEXT_PROPERTY_LIST list);
398 * Context list functions. A context list is a simple list of link contexts.
402 struct ContextList *ContextList_Create(
403 PCWINE_CONTEXT_INTERFACE contextInterface, size_t contextSize);
405 void *ContextList_Add(struct ContextList *list, void *toLink, void *toReplace);
407 void *ContextList_Enum(struct ContextList *list, void *pPrev);
409 /* Removes a context from the list. Returns TRUE if the context was removed,
410 * or FALSE if not. (The context may have been duplicated, so subsequent
411 * removes have no effect.)
413 BOOL ContextList_Remove(struct ContextList *list, void *context);
415 void ContextList_Free(struct ContextList *list);
421 /* Align up to a DWORD_PTR boundary
423 #define ALIGN_DWORD_PTR(x) (((x) + sizeof(DWORD_PTR) - 1) & ~(sizeof(DWORD_PTR) - 1))
424 #define POINTER_ALIGN_DWORD_PTR(p) ((LPVOID)ALIGN_DWORD_PTR((DWORD_PTR)(p)))
426 /* Check if the OID is a small int
428 #define IS_INTOID(x) (((ULONG_PTR)(x) >> 16) == 0)