dll/win32/crypt32/crypt32_private.h

   1 /*
   2  * Copyright 2005 Juan Lang
   3  *
   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.
   8  *
   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.
  13  *
  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
  17  */
  18
  19 #ifndef __CRYPT32_PRIVATE_H__
  20 #define __CRYPT32_PRIVATE_H__
  21
  22 #include <wine/config.h>
  23 #include <wine/port.h>
  24
  25 #include <assert.h>
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28
  29 #define _INC_WINDOWS
  30 #define COM_NO_WINDOWS_H
  31
  32 #define NONAMELESSUNION
  33
  34 #include <windef.h>
  35 #include <winbase.h>
  36 #include <winuser.h>
  37 #include <winreg.h>
  38 #include <snmp.h>
  39
  40 #define CERT_CHAIN_PARA_HAS_EXTRA_FIELDS
  41 #define CERT_REVOCATION_PARA_HAS_EXTRA_FIELDS
  42 #include <wincrypt.h>
  43
  44 #include <mssip.h>
  45
  46 #include <wine/unicode.h>
  47 #include <wine/list.h>
  48 #include <wine/exception.h>
  49 #include <wine/debug.h>
  50
  51 #include "cryptres.h"
  52
  53 /* a few asn.1 tags we need */
  54 #define ASN_BOOL            (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x01)
  55 #define ASN_BITSTRING       (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x03)
  56 #define ASN_ENUMERATED      (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x0a)
  57 #define ASN_UTF8STRING      (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x0c)
  58 #define ASN_SETOF           (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x11)
  59 #define ASN_NUMERICSTRING   (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x12)
  60 #define ASN_PRINTABLESTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x13)
  61 #define ASN_T61STRING       (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x14)
  62 #define ASN_VIDEOTEXSTRING  (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x15)
  63 #define ASN_IA5STRING       (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x16)
  64 #define ASN_UTCTIME         (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x17)
  65 #define ASN_GENERALTIME     (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x18)
  66 #define ASN_GRAPHICSTRING   (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x19)
  67 #define ASN_VISIBLESTRING   (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1a)
  68 #define ASN_GENERALSTRING   (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1b)
  69 #define ASN_UNIVERSALSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1c)
  70 #define ASN_BMPSTRING       (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x1e)
  71
  72 BOOL CRYPT_EncodeLen(DWORD len, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
  73
  74 typedef BOOL (WINAPI *CryptEncodeObjectExFunc)(DWORD, LPCSTR, const void *,
  75  DWORD, PCRYPT_ENCODE_PARA, BYTE *, DWORD *);
  76
  77 struct AsnEncodeSequenceItem
  78 {
  79     const void             *pvStructInfo;
  80     CryptEncodeObjectExFunc encodeFunc;
  81     DWORD                   size; /* used during encoding, not for your use */
  82 };
  83
  84 BOOL WINAPI CRYPT_AsnEncodeSequence(DWORD dwCertEncodingType,
  85  struct AsnEncodeSequenceItem items[], DWORD cItem, DWORD dwFlags,
  86  PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
  87
  88 struct AsnConstructedItem
  89 {
  90     BYTE                    tag;
  91     const void             *pvStructInfo;
  92     CryptEncodeObjectExFunc encodeFunc;
  93 };
  94
  95 BOOL WINAPI CRYPT_AsnEncodeConstructed(DWORD dwCertEncodingType,
  96  LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
  97  PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
  98 BOOL WINAPI CRYPT_AsnEncodeOid(DWORD dwCertEncodingType,
  99  LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
 100  PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
 101 BOOL WINAPI CRYPT_AsnEncodeOctets(DWORD dwCertEncodingType,
 102  LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
 103  PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
 104
 105 typedef struct _CRYPT_DIGESTED_DATA
 106 {
 107     DWORD                      version;
 108     CRYPT_ALGORITHM_IDENTIFIER DigestAlgorithm;
 109     CRYPT_CONTENT_INFO         ContentInfo;
 110     CRYPT_HASH_BLOB            hash;
 111 } CRYPT_DIGESTED_DATA;
 112
 113 BOOL CRYPT_AsnEncodePKCSDigestedData(const CRYPT_DIGESTED_DATA *digestedData,
 114  void *pvData, DWORD *pcbData) DECLSPEC_HIDDEN;
 115
 116 typedef struct _CRYPT_ENCRYPTED_CONTENT_INFO
 117 {
 118     LPSTR                      contentType;
 119     CRYPT_ALGORITHM_IDENTIFIER contentEncryptionAlgorithm;
 120     CRYPT_DATA_BLOB            encryptedContent;
 121 } CRYPT_ENCRYPTED_CONTENT_INFO;
 122
 123 typedef struct _CRYPT_ENVELOPED_DATA
 124 {
 125     DWORD                          version;
 126     DWORD                          cRecipientInfo;
 127     PCMSG_KEY_TRANS_RECIPIENT_INFO rgRecipientInfo;
 128     CRYPT_ENCRYPTED_CONTENT_INFO   encryptedContentInfo;
 129 } CRYPT_ENVELOPED_DATA;
 130
 131 BOOL CRYPT_AsnEncodePKCSEnvelopedData(const CRYPT_ENVELOPED_DATA *envelopedData,
 132  void *pvData, DWORD *pcbData) DECLSPEC_HIDDEN;
 133
 134 BOOL CRYPT_AsnDecodePKCSEnvelopedData(const BYTE *pbEncoded, DWORD cbEncoded,
 135  DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
 136  CRYPT_ENVELOPED_DATA *envelopedData, DWORD *pcbEnvelopedData) DECLSPEC_HIDDEN;
 137
 138 typedef struct _CRYPT_SIGNED_INFO
 139 {
 140     DWORD                 version;
 141     DWORD                 cCertEncoded;
 142     PCERT_BLOB            rgCertEncoded;
 143     DWORD                 cCrlEncoded;
 144     PCRL_BLOB             rgCrlEncoded;
 145     CRYPT_CONTENT_INFO    content;
 146     DWORD                 cSignerInfo;
 147     PCMSG_CMS_SIGNER_INFO rgSignerInfo;
 148 } CRYPT_SIGNED_INFO;
 149
 150 BOOL CRYPT_AsnEncodeCMSSignedInfo(CRYPT_SIGNED_INFO *, void *pvData,
 151  DWORD *pcbData) DECLSPEC_HIDDEN;
 152
 153 BOOL CRYPT_AsnDecodeCMSSignedInfo(const BYTE *pbEncoded, DWORD cbEncoded,
 154  DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
 155  CRYPT_SIGNED_INFO *signedInfo, DWORD *pcbSignedInfo) DECLSPEC_HIDDEN;
 156
 157 /* Helper function to check *pcbEncoded, set it to the required size, and
 158  * optionally to allocate memory.  Assumes pbEncoded is not NULL.
 159  * If CRYPT_ENCODE_ALLOC_FLAG is set in dwFlags, *pbEncoded will be set to a
 160  * pointer to the newly allocated memory.
 161  */
 162 BOOL CRYPT_EncodeEnsureSpace(DWORD dwFlags, const CRYPT_ENCODE_PARA *pEncodePara,
 163  BYTE *pbEncoded, DWORD *pcbEncoded, DWORD bytesNeeded) DECLSPEC_HIDDEN;
 164
 165 BOOL CRYPT_AsnDecodePKCSDigestedData(const BYTE *pbEncoded, DWORD cbEncoded,
 166  DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
 167  CRYPT_DIGESTED_DATA *digestedData, DWORD *pcbDigestedData) DECLSPEC_HIDDEN;
 168
 169 BOOL WINAPI CRYPT_AsnEncodePubKeyInfoNoNull(DWORD dwCertEncodingType,
 170  LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
 171  PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded) DECLSPEC_HIDDEN;
 172
 173 /* The following aren't defined in wincrypt.h, as they're "reserved" */
 174 #define CERT_CERT_PROP_ID 32
 175 #define CERT_CRL_PROP_ID  33
 176 #define CERT_CTL_PROP_ID  34
 177
 178 /* Returns a handle to the default crypto provider; loads it if necessary.
 179  * Returns NULL on failure.
 180  */
 181 HCRYPTPROV CRYPT_GetDefaultProvider(void) DECLSPEC_HIDDEN;
 182
 183 HINSTANCE hInstance DECLSPEC_HIDDEN;
 184
 185 void crypt_oid_init(void) DECLSPEC_HIDDEN;
 186 void crypt_oid_free(void) DECLSPEC_HIDDEN;
 187 void crypt_sip_free(void) DECLSPEC_HIDDEN;
 188 void root_store_free(void) DECLSPEC_HIDDEN;
 189 void default_chain_engine_free(void) DECLSPEC_HIDDEN;
 190
 191 /* Some typedefs that make it easier to abstract which type of context we're
 192  * working with.
 193  */
 194 typedef const void *(WINAPI *CreateContextFunc)(DWORD dwCertEncodingType,
 195  const BYTE *pbCertEncoded, DWORD cbCertEncoded);
 196 typedef BOOL (WINAPI *AddContextToStoreFunc)(HCERTSTORE hCertStore,
 197  const void *context, DWORD dwAddDisposition, const void **ppStoreContext);
 198 typedef BOOL (WINAPI *AddEncodedContextToStoreFunc)(HCERTSTORE hCertStore,
 199  DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
 200  DWORD dwAddDisposition, const void **ppContext);
 201 typedef const void *(WINAPI *DuplicateContextFunc)(const void *context);
 202 typedef const void *(WINAPI *EnumContextsInStoreFunc)(HCERTSTORE hCertStore,
 203  const void *pPrevContext);
 204 typedef DWORD (WINAPI *EnumPropertiesFunc)(const void *context, DWORD dwPropId);
 205 typedef BOOL (WINAPI *GetContextPropertyFunc)(const void *context,
 206  DWORD dwPropID, void *pvData, DWORD *pcbData);
 207 typedef BOOL (WINAPI *SetContextPropertyFunc)(const void *context,
 208  DWORD dwPropID, DWORD dwFlags, const void *pvData);
 209 typedef BOOL (WINAPI *SerializeElementFunc)(const void *context, DWORD dwFlags,
 210  BYTE *pbElement, DWORD *pcbElement);
 211 typedef BOOL (WINAPI *FreeContextFunc)(const void *context);
 212 typedef BOOL (WINAPI *DeleteContextFunc)(const void *contex);
 213
 214 /* An abstract context (certificate, CRL, or CTL) interface */
 215 typedef struct _WINE_CONTEXT_INTERFACE
 216 {
 217     CreateContextFunc            create;
 218     AddContextToStoreFunc        addContextToStore;
 219     AddEncodedContextToStoreFunc addEncodedToStore;
 220     DuplicateContextFunc         duplicate;
 221     EnumContextsInStoreFunc      enumContextsInStore;
 222     EnumPropertiesFunc           enumProps;
 223     GetContextPropertyFunc       getProp;
 224     SetContextPropertyFunc       setProp;
 225     SerializeElementFunc         serialize;
 226     FreeContextFunc              free;
 227     DeleteContextFunc            deleteFromStore;
 228 } WINE_CONTEXT_INTERFACE, *PWINE_CONTEXT_INTERFACE;
 229 typedef const WINE_CONTEXT_INTERFACE *PCWINE_CONTEXT_INTERFACE;
 230
 231 extern PCWINE_CONTEXT_INTERFACE pCertInterface DECLSPEC_HIDDEN;
 232 extern PCWINE_CONTEXT_INTERFACE pCRLInterface DECLSPEC_HIDDEN;
 233 extern PCWINE_CONTEXT_INTERFACE pCTLInterface DECLSPEC_HIDDEN;
 234
 235 /* (Internal) certificate store types and functions */
 236 struct WINE_CRYPTCERTSTORE;
 237
 238 typedef struct WINE_CRYPTCERTSTORE * (*StoreOpenFunc)(HCRYPTPROV hCryptProv,
 239  DWORD dwFlags, const void *pvPara);
 240
 241 /* Called to enumerate the next context in a store. */
 242 typedef void * (*EnumFunc)(struct WINE_CRYPTCERTSTORE *store, void *pPrev);
 243
 244 /* Called to add a context to a store.  If toReplace is not NULL,
 245  * context replaces toReplace in the store, and access checks should not be
 246  * performed.  Otherwise context is a new context, and it should only be
 247  * added if the store allows it.  If ppStoreContext is not NULL, the added
 248  * context should be returned in *ppStoreContext.
 249  */
 250 typedef BOOL (*AddFunc)(struct WINE_CRYPTCERTSTORE *store, void *context,
 251  void *toReplace, const void **ppStoreContext);
 252
 253 typedef BOOL (*DeleteFunc)(struct WINE_CRYPTCERTSTORE *store, void *context);
 254
 255 typedef struct _CONTEXT_FUNCS
 256 {
 257     AddFunc    addContext;
 258     EnumFunc   enumContext;
 259     DeleteFunc deleteContext;
 260 } CONTEXT_FUNCS, *PCONTEXT_FUNCS;
 261
 262 typedef enum _CertStoreType {
 263     StoreTypeMem,
 264     StoreTypeCollection,
 265     StoreTypeProvider,
 266 } CertStoreType;
 267
 268 struct _CONTEXT_PROPERTY_LIST;
 269 typedef struct _CONTEXT_PROPERTY_LIST *PCONTEXT_PROPERTY_LIST;
 270
 271 #define WINE_CRYPTCERTSTORE_MAGIC 0x74726563
 272
 273 /* A cert store is polymorphic through the use of function pointers.  A type
 274  * is still needed to distinguish collection stores from other types.
 275  * On the function pointers:
 276  * - closeStore is called when the store's ref count becomes 0
 277  * - control is optional, but should be implemented by any store that supports
 278  *   persistence
 279  */
 280 typedef struct WINE_CRYPTCERTSTORE
 281 {
 282     DWORD                       dwMagic;
 283     LONG                        ref;
 284     DWORD                       dwOpenFlags;
 285     CertStoreType               type;
 286     PFN_CERT_STORE_PROV_CLOSE   closeStore;
 287     CONTEXT_FUNCS               certs;
 288     CONTEXT_FUNCS               crls;
 289     CONTEXT_FUNCS               ctls;
 290     PFN_CERT_STORE_PROV_CONTROL control; /* optional */
 291     PCONTEXT_PROPERTY_LIST      properties;
 292 } WINECRYPT_CERTSTORE, *PWINECRYPT_CERTSTORE;
 293
 294 void CRYPT_InitStore(WINECRYPT_CERTSTORE *store, DWORD dwFlags,
 295  CertStoreType type) DECLSPEC_HIDDEN;
 296 void CRYPT_FreeStore(PWINECRYPT_CERTSTORE store) DECLSPEC_HIDDEN;
 297 BOOL WINAPI I_CertUpdateStore(HCERTSTORE store1, HCERTSTORE store2, DWORD unk0,
 298  DWORD unk1) DECLSPEC_HIDDEN;
 299
 300 PWINECRYPT_CERTSTORE CRYPT_CollectionOpenStore(HCRYPTPROV hCryptProv,
 301  DWORD dwFlags, const void *pvPara) DECLSPEC_HIDDEN;
 302 PWINECRYPT_CERTSTORE CRYPT_ProvCreateStore(DWORD dwFlags,
 303  PWINECRYPT_CERTSTORE memStore, const CERT_STORE_PROV_INFO *pProvInfo) DECLSPEC_HIDDEN;
 304 PWINECRYPT_CERTSTORE CRYPT_ProvOpenStore(LPCSTR lpszStoreProvider,
 305  DWORD dwEncodingType, HCRYPTPROV hCryptProv, DWORD dwFlags,
 306  const void *pvPara) DECLSPEC_HIDDEN;
 307 PWINECRYPT_CERTSTORE CRYPT_RegOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
 308  const void *pvPara) DECLSPEC_HIDDEN;
 309 PWINECRYPT_CERTSTORE CRYPT_FileOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
 310  const void *pvPara) DECLSPEC_HIDDEN;
 311 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreA(HCRYPTPROV hCryptProv,
 312  DWORD dwFlags, const void *pvPara) DECLSPEC_HIDDEN;
 313 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreW(HCRYPTPROV hCryptProv,
 314  DWORD dwFlags, const void *pvPara) DECLSPEC_HIDDEN;
 315 PWINECRYPT_CERTSTORE CRYPT_RootOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags) DECLSPEC_HIDDEN;
 316
 317 /* Allocates and initializes a certificate chain engine, but without creating
 318  * the root store.  Instead, it uses root, and assumes the caller has done any
 319  * checking necessary.
 320  */
 321 HCERTCHAINENGINE CRYPT_CreateChainEngine(HCERTSTORE root,
 322  PCERT_CHAIN_ENGINE_CONFIG pConfig) DECLSPEC_HIDDEN;
 323
 324 /* Helper function for store reading functions and
 325  * CertAddSerializedElementToStore.  Returns a context of the appropriate type
 326  * if it can, or NULL otherwise.  Doesn't validate any of the properties in
 327  * the serialized context (for example, bad hashes are retained.)
 328  * *pdwContentType is set to the type of the returned context.
 329  */
 330 const void *CRYPT_ReadSerializedElement(const BYTE *pbElement,
 331  DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType) DECLSPEC_HIDDEN;
 332
 333 /* Reads contexts serialized in the file into the memory store.  Returns FALSE
 334  * if the file is not of the expected format.
 335  */
 336 BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store) DECLSPEC_HIDDEN;
 337
 338 /* Reads contexts serialized in the blob into the memory store.  Returns FALSE
 339  * if the file is not of the expected format.
 340  */
 341 BOOL CRYPT_ReadSerializedStoreFromBlob(const CRYPT_DATA_BLOB *blob,
 342  HCERTSTORE store) DECLSPEC_HIDDEN;
 343
 344 /* Fixes up the pointers in info, where info is assumed to be a
 345  * CRYPT_KEY_PROV_INFO, followed by its container name, provider name, and any
 346  * provider parameters, in a contiguous buffer, but where info's pointers are
 347  * assumed to be invalid.  Upon return, info's pointers point to the
 348  * appropriate memory locations.
 349  */
 350 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info) DECLSPEC_HIDDEN;
 351
 352 /**
 353  *  String functions
 354  */
 355
 356 DWORD cert_name_to_str_with_indent(DWORD dwCertEncodingType, DWORD indent,
 357  const CERT_NAME_BLOB *pName, DWORD dwStrType, LPWSTR psz, DWORD csz) DECLSPEC_HIDDEN;
 358
 359 /**
 360  *  Context functions
 361  */
 362
 363 /* Allocates a new data context, a context which owns properties directly.
 364  * contextSize is the size of the public data type associated with context,
 365  * which should be one of CERT_CONTEXT, CRL_CONTEXT, or CTL_CONTEXT.
 366  * Free with Context_Release.
 367  */
 368 void *Context_CreateDataContext(size_t contextSize) DECLSPEC_HIDDEN;
 369
 370 /* Creates a new link context with extra bytes.  The context refers to linked
 371  * rather than owning its own properties.  If addRef is TRUE (which ordinarily
 372  * it should be) linked is addref'd.
 373  * Free with Context_Release.
 374  */
 375 void *Context_CreateLinkContext(unsigned int contextSize, void *linked, unsigned int extra,
 376  BOOL addRef) DECLSPEC_HIDDEN;
 377
 378 /* Returns a pointer to the extra bytes allocated with context, which must be
 379  * a link context.
 380  */
 381 void *Context_GetExtra(const void *context, size_t contextSize) DECLSPEC_HIDDEN;
 382
 383 /* Gets the context linked to by context, which must be a link context. */
 384 void *Context_GetLinkedContext(void *context, size_t contextSize) DECLSPEC_HIDDEN;
 385
 386 /* Copies properties from fromContext to toContext. */
 387 void Context_CopyProperties(const void *to, const void *from,
 388  size_t contextSize) DECLSPEC_HIDDEN;
 389
 390 /* Returns context's properties, or the linked context's properties if context
 391  * is a link context.
 392  */
 393 PCONTEXT_PROPERTY_LIST Context_GetProperties(const void *context, size_t contextSize) DECLSPEC_HIDDEN;
 394
 395 void Context_AddRef(void *context, size_t contextSize) DECLSPEC_HIDDEN;
 396
 397 typedef void (*ContextFreeFunc)(void *context);
 398
 399 /* Decrements context's ref count.  If context is a link context, releases its
 400  * linked context as well.
 401  * If a data context has its ref count reach 0, calls dataContextFree on it.
 402  * Returns FALSE if the reference count is <= 0 when called.
 403  */
 404 BOOL Context_Release(void *context, size_t contextSize,
 405  ContextFreeFunc dataContextFree) DECLSPEC_HIDDEN;
 406
 407 /**
 408  *  Context property list functions
 409  */
 410
 411 PCONTEXT_PROPERTY_LIST ContextPropertyList_Create(void) DECLSPEC_HIDDEN;
 412
 413 /* Searches for the property with ID id in the context.  Returns TRUE if found,
 414  * and copies the property's length and a pointer to its data to blob.
 415  * Otherwise returns FALSE.
 416  */
 417 BOOL ContextPropertyList_FindProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
 418  PCRYPT_DATA_BLOB blob) DECLSPEC_HIDDEN;
 419
 420 BOOL ContextPropertyList_SetProperty(PCONTEXT_PROPERTY_LIST list, DWORD id,
 421  const BYTE *pbData, size_t cbData) DECLSPEC_HIDDEN;
 422
 423 void ContextPropertyList_RemoveProperty(PCONTEXT_PROPERTY_LIST list, DWORD id) DECLSPEC_HIDDEN;
 424
 425 DWORD ContextPropertyList_EnumPropIDs(PCONTEXT_PROPERTY_LIST list, DWORD id) DECLSPEC_HIDDEN;
 426
 427 void ContextPropertyList_Copy(PCONTEXT_PROPERTY_LIST to,
 428  PCONTEXT_PROPERTY_LIST from) DECLSPEC_HIDDEN;
 429
 430 void ContextPropertyList_Free(PCONTEXT_PROPERTY_LIST list) DECLSPEC_HIDDEN;
 431
 432 /**
 433  *  Context list functions.  A context list is a simple list of link contexts.
 434  */
 435 struct ContextList;
 436
 437 struct ContextList *ContextList_Create(
 438  PCWINE_CONTEXT_INTERFACE contextInterface, size_t contextSize) DECLSPEC_HIDDEN;
 439
 440 void *ContextList_Add(struct ContextList *list, void *toLink, void *toReplace) DECLSPEC_HIDDEN;
 441
 442 void *ContextList_Enum(struct ContextList *list, void *pPrev) DECLSPEC_HIDDEN;
 443
 444 /* Removes a context from the list.  Returns TRUE if the context was removed,
 445  * or FALSE if not.  (The context may have been duplicated, so subsequent
 446  * removes have no effect.)
 447  */
 448 BOOL ContextList_Remove(struct ContextList *list, void *context) DECLSPEC_HIDDEN;
 449
 450 void ContextList_Free(struct ContextList *list) DECLSPEC_HIDDEN;
 451
 452 /**
 453  *  Utilities.
 454  */
 455
 456 /* Align up to a DWORD_PTR boundary
 457  */
 458 #define ALIGN_DWORD_PTR(x) (((x) + sizeof(DWORD_PTR) - 1) & ~(sizeof(DWORD_PTR) - 1))
 459 #define POINTER_ALIGN_DWORD_PTR(p) ((LPVOID)ALIGN_DWORD_PTR((DWORD_PTR)(p)))
 460
 461 /* Check if the OID is a small int
 462  */
 463 #define IS_INTOID(x)    (((ULONG_PTR)(x) >> 16) == 0)
 464
 465 #endif /* __CRYPT32_PRIVATE_H__ */