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(CRYPT_DIGESTED_DATA *digestedData,
83 void *pvData, DWORD *pcbData);
85 /* Helper function to check *pcbEncoded, set it to the required size, and
86 * optionally to allocate memory. Assumes pbEncoded is not NULL.
87 * If CRYPT_ENCODE_ALLOC_FLAG is set in dwFlags, *pbEncoded will be set to a
88 * pointer to the newly allocated memory.
90 BOOL CRYPT_EncodeEnsureSpace(DWORD dwFlags, PCRYPT_ENCODE_PARA pEncodePara,
91 BYTE *pbEncoded, DWORD *pcbEncoded, DWORD bytesNeeded);
93 BOOL CRYPT_AsnDecodePKCSDigestedData(const BYTE *pbEncoded, DWORD cbEncoded,
94 DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
95 CRYPT_DIGESTED_DATA *digestedData, DWORD *pcbDigestedData);
97 /* The following aren't defined in wincrypt.h, as they're "reserved" */
98 #define CERT_CERT_PROP_ID 32
99 #define CERT_CRL_PROP_ID 33
100 #define CERT_CTL_PROP_ID 34
102 /* Returns a handle to the default crypto provider; loads it if necessary.
103 * Returns NULL on failure.
105 HCRYPTPROV CRYPT_GetDefaultProvider(void);
107 void crypt_oid_init(HINSTANCE hinst);
108 void crypt_oid_free(void);
109 void crypt_sip_free(void);
111 /* Some typedefs that make it easier to abstract which type of context we're
114 typedef const void *(WINAPI *CreateContextFunc)(DWORD dwCertEncodingType,
115 const BYTE *pbCertEncoded, DWORD cbCertEncoded);
116 typedef BOOL (WINAPI *AddContextToStoreFunc)(HCERTSTORE hCertStore,
117 const void *context, DWORD dwAddDisposition, const void **ppStoreContext);
118 typedef BOOL (WINAPI *AddEncodedContextToStoreFunc)(HCERTSTORE hCertStore,
119 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
120 DWORD dwAddDisposition, const void **ppContext);
121 typedef const void *(WINAPI *DuplicateContextFunc)(const void *context);
122 typedef const void *(WINAPI *EnumContextsInStoreFunc)(HCERTSTORE hCertStore,
123 const void *pPrevContext);
124 typedef DWORD (WINAPI *EnumPropertiesFunc)(const void *context, DWORD dwPropId);
125 typedef BOOL (WINAPI *GetContextPropertyFunc)(const void *context,
126 DWORD dwPropID, void *pvData, DWORD *pcbData);
127 typedef BOOL (WINAPI *SetContextPropertyFunc)(const void *context,
128 DWORD dwPropID, DWORD dwFlags, const void *pvData);
129 typedef BOOL (WINAPI *SerializeElementFunc)(const void *context, DWORD dwFlags,
130 BYTE *pbElement, DWORD *pcbElement);
131 typedef BOOL (WINAPI *FreeContextFunc)(const void *context);
132 typedef BOOL (WINAPI *DeleteContextFunc)(const void *context);
134 /* An abstract context (certificate, CRL, or CTL) interface */
135 typedef struct _WINE_CONTEXT_INTERFACE
137 CreateContextFunc create;
138 AddContextToStoreFunc addContextToStore;
139 AddEncodedContextToStoreFunc addEncodedToStore;
140 DuplicateContextFunc duplicate;
141 EnumContextsInStoreFunc enumContextsInStore;
142 EnumPropertiesFunc enumProps;
143 GetContextPropertyFunc getProp;
144 SetContextPropertyFunc setProp;
145 SerializeElementFunc serialize;
146 FreeContextFunc free;
147 DeleteContextFunc deleteFromStore;
148 } WINE_CONTEXT_INTERFACE, *PWINE_CONTEXT_INTERFACE;
149 typedef const WINE_CONTEXT_INTERFACE *PCWINE_CONTEXT_INTERFACE;
151 extern PCWINE_CONTEXT_INTERFACE pCertInterface;
152 extern PCWINE_CONTEXT_INTERFACE pCRLInterface;
153 extern PCWINE_CONTEXT_INTERFACE pCTLInterface;
155 /* Helper function for store reading functions and
156 * CertAddSerializedElementToStore. Returns a context of the appropriate type
157 * if it can, or NULL otherwise. Doesn't validate any of the properties in
158 * the serialized context (for example, bad hashes are retained.)
159 * *pdwContentType is set to the type of the returned context.
161 const void *CRYPT_ReadSerializedElement(const BYTE *pbElement,
162 DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType);
164 /* Writes contexts from the memory store to the file. */
165 BOOL CRYPT_WriteSerializedFile(HANDLE file, HCERTSTORE store);
167 /* Reads contexts serialized in the file into the memory store. Returns FALSE
168 * if the file is not of the expected format.
170 BOOL CRYPT_ReadSerializedFile(HANDLE file, HCERTSTORE store);
172 /* Fixes up the the pointers in info, where info is assumed to be a
173 * CRYPT_KEY_PROV_INFO, followed by its container name, provider name, and any
174 * provider parameters, in a contiguous buffer, but where info's pointers are
175 * assumed to be invalid. Upon return, info's pointers point to the
176 * appropriate memory locations.
178 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info);
184 /* Allocates a new data context, a context which owns properties directly.
185 * contextSize is the size of the public data type associated with context,
186 * which should be one of CERT_CONTEXT, CRL_CONTEXT, or CTL_CONTEXT.
187 * Free with Context_Release.
189 void *Context_CreateDataContext(size_t contextSize);
191 /* Creates a new link context with extra bytes. The context refers to linked
192 * rather than owning its own properties. If addRef is TRUE (which ordinarily
193 * it should be) linked is addref'd.
194 * Free with Context_Release.
196 void *Context_CreateLinkContext(unsigned int contextSize, void *linked, unsigned int extra,
199 /* Returns a pointer to the extra bytes allocated with context, which must be
202 void *Context_GetExtra(const void *context, size_t contextSize);
204 /* Gets the context linked to by context, which must be a link context. */
205 void *Context_GetLinkedContext(void *context, size_t contextSize);
207 /* Copies properties from fromContext to toContext. */
208 void Context_CopyProperties(const void *to, const void *from,
211 struct _CONTEXT_PROPERTY_LIST;
212 typedef struct _CONTEXT_PROPERTY_LIST *PCONTEXT_PROPERTY_LIST;
214 /* Returns context's properties, or the linked context's properties if context
217 PCONTEXT_PROPERTY_LIST Context_GetProperties(void *context, size_t contextSize);
219 void Context_AddRef(void *context, size_t contextSize);
221 typedef void (*ContextFreeFunc)(void *context);
223 /* Decrements context's ref count. If context is a link context, releases its
224 * linked context as well.
225 * If a data context has its ref count reach 0, calls dataContextFree on it.
227 void Context_Release(void *context, size_t contextSize,
228 ContextFreeFunc dataContextFree);
231 * Context property list functions
234 PCONTEXT_PROPERTY_LIST ContextPropertyList_Create(void);
236 /* Searches for the property with ID id in the context. Returns TRUE if found,
237 * and copies the property's length and a pointer to its data to blob.
238 * Otherwise returns FALSE.
240 BOOL ContextPropertyList_FindProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
241 PCRYPT_DATA_BLOB blob);
243 BOOL ContextPropertyList_SetProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
244 const BYTE *pbData, size_t cbData);
246 void ContextPropertyList_RemoveProperty(PCONTEXT_PROPERTY_LIST list, DWORD id);
248 DWORD ContextPropertyList_EnumPropIDs(PCONTEXT_PROPERTY_LIST list, DWORD id);
250 void ContextPropertyList_Copy(PCONTEXT_PROPERTY_LIST to,
251 PCONTEXT_PROPERTY_LIST from);
253 void ContextPropertyList_Free(PCONTEXT_PROPERTY_LIST list);
256 * Context list functions. A context list is a simple list of link contexts.
260 struct ContextList *ContextList_Create(
261 PCWINE_CONTEXT_INTERFACE contextInterface, size_t contextSize);
263 void *ContextList_Add(struct ContextList *list, void *toLink, void *toReplace);
265 void *ContextList_Enum(struct ContextList *list, void *pPrev);
267 void ContextList_Delete(struct ContextList *list, void *context);
269 void ContextList_Empty(struct ContextList *list);
271 void ContextList_Free(struct ContextList *list);