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