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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 /***********************************************************************
23 * - Reference counting
25 * - Signature checking
32 #include "wine/unicode.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
45 HWND crypt_hWindow = 0;
47 #define CRYPT_ReturnLastError(err) {SetLastError(err); return FALSE;}
49 #define CRYPT_Alloc(size) ((LPVOID)LocalAlloc(LMEM_ZEROINIT, size))
50 #define CRYPT_Free(buffer) (LocalFree((HLOCAL)buffer))
52 static inline PSTR CRYPT_GetProvKeyName(PCSTR pProvName)
54 PCSTR KEYSTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider\\";
57 keyname = CRYPT_Alloc(strlen(KEYSTR) + strlen(pProvName) +1);
60 strcpy(keyname, KEYSTR);
61 strcpy(keyname + strlen(KEYSTR), pProvName);
63 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
67 static inline PSTR CRYPT_GetTypeKeyName(DWORD dwType, BOOL user)
69 PCSTR MACHINESTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type XXX";
70 PCSTR USERSTR = "Software\\Microsoft\\Cryptography\\Provider Type XXX";
74 keyname = CRYPT_Alloc( (user ? strlen(USERSTR) : strlen(MACHINESTR)) +1);
77 user ? strcpy(keyname, USERSTR) : strcpy(keyname, MACHINESTR);
78 ptr = keyname + strlen(keyname);
79 *(--ptr) = (dwType % 10) + '0';
80 *(--ptr) = (dwType / 10) + '0';
81 *(--ptr) = (dwType / 100) + '0';
83 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
87 /* CRYPT_UnicodeTOANSI
88 * wstr - unicode string
89 * str - pointer to ANSI string
90 * strsize - size of buffer pointed to by str or -1 if we have to do the allocation
92 * returns TRUE if unsuccessfull, FALSE otherwise.
93 * if wstr is NULL, returns TRUE and sets str to NULL! Value of str should be checked after call
95 static inline BOOL CRYPT_UnicodeToANSI(LPCWSTR wstr, LPSTR* str, int strsize)
104 count = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
105 count = count < strsize ? count : strsize;
107 *str = CRYPT_Alloc(count * sizeof(CHAR));
110 WideCharToMultiByte(CP_ACP, 0, wstr, -1, *str, count, NULL, NULL);
113 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
117 /* CRYPT_ANSITOUnicode
119 * wstr - pointer to unicode string
120 * wstrsize - size of buffer pointed to by wstr or -1 if we have to do the allocation
122 static inline BOOL CRYPT_ANSIToUnicode(LPCSTR str, LPWSTR* wstr, int wstrsize)
131 wcount = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
132 wcount = wcount < wstrsize/sizeof(WCHAR) ? wcount : wstrsize/sizeof(WCHAR);
134 *wstr = CRYPT_Alloc(wcount * sizeof(WCHAR));
137 MultiByteToWideChar(CP_ACP, 0, str, -1, *wstr, wcount);
140 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
144 /* These next 2 functions are used by the VTableProvStruc structure */
145 static BOOL CALLBACK CRYPT_VerifyImage(LPCSTR lpszImage, BYTE* pData)
147 if (!lpszImage || !pData)
149 SetLastError(ERROR_INVALID_PARAMETER);
152 /* FIXME: Actually verify the image! */
156 static BOOL CALLBACK CRYPT_ReturnhWnd(HWND *phWnd)
160 *phWnd = crypt_hWindow;
164 #define CRYPT_GetProvFunc(name) \
165 if ( !(provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)) ) goto error
166 #define CRYPT_GetProvFuncOpt(name) \
167 provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)
168 PCRYPTPROV CRYPT_LoadProvider(PSTR pImage)
171 DWORD errorcode = ERROR_NOT_ENOUGH_MEMORY;
173 if ( !(provider = CRYPT_Alloc(sizeof(CRYPTPROV))) ) goto error;
174 if ( !(provider->pFuncs = CRYPT_Alloc(sizeof(PROVFUNCS))) ) goto error;
175 if ( !(provider->pVTable = CRYPT_Alloc(sizeof(VTableProvStruc))) ) goto error;
176 if ( !(provider->hModule = LoadLibraryA(pImage)) )
178 errorcode = (GetLastError() == ERROR_FILE_NOT_FOUND) ? NTE_PROV_DLL_NOT_FOUND : NTE_PROVIDER_DLL_FAIL;
179 FIXME("Failed to load dll %s\n", debugstr_a(pImage));
183 errorcode = NTE_PROVIDER_DLL_FAIL;
184 CRYPT_GetProvFunc(CPAcquireContext);
185 CRYPT_GetProvFunc(CPCreateHash);
186 CRYPT_GetProvFunc(CPDecrypt);
187 CRYPT_GetProvFunc(CPDeriveKey);
188 CRYPT_GetProvFunc(CPDestroyHash);
189 CRYPT_GetProvFunc(CPDestroyKey);
190 CRYPT_GetProvFuncOpt(CPDuplicateHash);
191 CRYPT_GetProvFuncOpt(CPDuplicateKey);
192 CRYPT_GetProvFunc(CPEncrypt);
193 CRYPT_GetProvFunc(CPExportKey);
194 CRYPT_GetProvFunc(CPGenKey);
195 CRYPT_GetProvFunc(CPGenRandom);
196 CRYPT_GetProvFunc(CPGetHashParam);
197 CRYPT_GetProvFunc(CPGetKeyParam);
198 CRYPT_GetProvFunc(CPGetProvParam);
199 CRYPT_GetProvFunc(CPGetUserKey);
200 CRYPT_GetProvFunc(CPHashData);
201 CRYPT_GetProvFunc(CPHashSessionKey);
202 CRYPT_GetProvFunc(CPImportKey);
203 CRYPT_GetProvFunc(CPReleaseContext);
204 CRYPT_GetProvFunc(CPSetHashParam);
205 CRYPT_GetProvFunc(CPSetKeyParam);
206 CRYPT_GetProvFunc(CPSetProvParam);
207 CRYPT_GetProvFunc(CPSignHash);
208 CRYPT_GetProvFunc(CPVerifySignature);
210 /* FIXME: Not sure what the pbContextInfo field is for.
211 * Does it need memory allocation?
213 provider->pVTable->Version = 3;
214 provider->pVTable->pFuncVerifyImage = (FARPROC)CRYPT_VerifyImage;
215 provider->pVTable->pFuncReturnhWnd = (FARPROC)CRYPT_ReturnhWnd;
216 provider->pVTable->dwProvType = 0;
217 provider->pVTable->pbContextInfo = NULL;
218 provider->pVTable->cbContextInfo = 0;
219 provider->pVTable->pszProvName = NULL;
223 SetLastError(errorcode);
226 if (provider->hModule)
227 FreeLibrary(provider->hModule);
228 CRYPT_Free(provider->pVTable);
229 CRYPT_Free(provider->pFuncs);
230 CRYPT_Free(provider);
234 #undef CRYPT_GetProvFunc
235 #undef CRYPT_GetProvFuncOpt
238 /******************************************************************************
239 * CryptAcquireContextA (ADVAPI32.@)
240 * Acquire a crypto provider context handle.
243 * phProv: Pointer to HCRYPTPROV for the output.
244 * pszContainer: Key Container Name
245 * pszProvider: Cryptographic Service Provider Name
246 * dwProvType: Crypto provider type to get a handle.
247 * dwFlags: flags for the operation
249 * RETURNS TRUE on success, FALSE on failure.
251 BOOL WINAPI CryptAcquireContextA (HCRYPTPROV *phProv, LPCSTR pszContainer,
252 LPCSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
254 PCRYPTPROV pProv = NULL;
256 PSTR imagepath = NULL, keyname = NULL, provname = NULL, temp = NULL;
260 DWORD keytype, type, len;
262 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, pszContainer,
263 pszProvider, dwProvType, dwFlags);
265 if (!phProv || !dwProvType)
267 SetLastError(ERROR_INVALID_PARAMETER);
270 if (dwProvType > MAXPROVTYPES)
272 SetLastError(NTE_BAD_PROV_TYPE);
278 /* No CSP name specified so try the user default CSP first
279 * then try the machine default CSP
281 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, TRUE)) ) {
282 FIXME("No provider registered for crypto provider type %ld.\n", dwProvType);
283 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
285 if (RegOpenKeyA(HKEY_CURRENT_USER, keyname, &key))
288 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, FALSE)) ) {
289 FIXME("No type registered for crypto provider type %ld.\n", dwProvType);
290 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
292 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key)) {
293 FIXME("Did not find registry entry of crypto provider for %s.\n", debugstr_a(keyname));
298 RegQueryValueExA(key, "Name", NULL, &keytype, NULL, &len);
299 if (!len || keytype != REG_SZ || !(provname = CRYPT_Alloc(len))) goto error;
300 RegQueryValueExA(key, "Name", NULL, NULL, provname, &len);
303 if ( !(provname = CRYPT_Alloc(strlen(pszProvider) +1)) )
304 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
305 strcpy(provname, pszProvider);
308 keyname = CRYPT_GetProvKeyName(provname);
309 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key)) goto error;
312 RegQueryValueExA(key, "Type", NULL, NULL, (BYTE*)&type, &len);
313 if (type != dwProvType)
315 FIXME("Crypto provider has wrong type (%ld vs expected %ld).\n", type, dwProvType);
316 SetLastError(NTE_BAD_PROV_TYPE);
320 RegQueryValueExA(key, "Image Path", NULL, &keytype, NULL, &len);
321 if (keytype != REG_SZ || !(temp = CRYPT_Alloc(len))) goto error;
322 RegQueryValueExA(key, "Image Path", NULL, NULL, temp, &len);
325 len = ExpandEnvironmentStringsA(temp, NULL, 0);
326 if ( !(imagepath = CRYPT_Alloc(len)) )
328 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
331 if (!ExpandEnvironmentStringsA(temp, imagepath, len)) goto error;
334 if (!CRYPT_VerifyImage(imagepath, signature)) goto error;
336 pProv = CRYPT_LoadProvider(imagepath);
338 CRYPT_Free(imagepath);
340 FIXME("Could not load crypto provider from DLL %s\n", debugstr_a(imagepath));
343 if (pProv->pFuncs->pCPAcquireContext(&pProv->hPrivate, (CHAR*)pszContainer, dwFlags, pProv->pVTable))
345 /* MSDN: When this flag is set, the value returned in phProv is undefined,
346 * and thus, the CryptReleaseContext function need not be called afterwards.
347 * Therefore, we must clean up everything now.
349 if (dwFlags & CRYPT_DELETEKEYSET)
351 FreeLibrary(pProv->hModule);
352 CRYPT_Free(provname);
353 CRYPT_Free(pProv->pFuncs);
356 pProv->pVTable->pszProvName = provname;
357 pProv->pVTable->dwProvType = dwProvType;
358 *phProv = (HCRYPTPROV)pProv;
362 /* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
366 FreeLibrary(pProv->hModule);
367 CRYPT_Free(pProv->pVTable);
368 CRYPT_Free(pProv->pFuncs);
371 CRYPT_Free(provname);
373 CRYPT_Free(imagepath);
378 /******************************************************************************
379 * CryptAcquireContextW (ADVAPI32.@)
381 BOOL WINAPI CryptAcquireContextW (HCRYPTPROV *phProv, LPCWSTR pszContainer,
382 LPCWSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
384 PSTR pProvider = NULL, pContainer = NULL;
387 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, debugstr_w(pszContainer),
388 debugstr_w(pszProvider), dwProvType, dwFlags);
390 if ( !CRYPT_UnicodeToANSI(pszContainer, &pContainer, -1) )
391 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
392 if ( !CRYPT_UnicodeToANSI(pszProvider, &pProvider, -1) )
394 CRYPT_Free(pContainer);
395 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
398 ret = CryptAcquireContextA(phProv, pContainer, pProvider, dwProvType, dwFlags);
401 CRYPT_Free(pContainer);
403 CRYPT_Free(pProvider);
408 /******************************************************************************
409 * CryptContextAddRef (ADVAPI32.@)
411 BOOL WINAPI CryptContextAddRef (HCRYPTPROV hProv, DWORD *pdwReserved, DWORD dwFlags)
413 FIXME("(0x%lx, %p, %08lx): stub!\n", hProv, pdwReserved, dwFlags);
415 /* InterlockIncrement?? */
418 /******************************************************************************
419 * CryptReleaseContext (ADVAPI32.@)
421 BOOL WINAPI CryptReleaseContext (HCRYPTPROV hProv, DWORD dwFlags)
423 PCRYPTPROV pProv = (PCRYPTPROV)hProv;
426 TRACE("(0x%lx, %08ld)\n", hProv, dwFlags);
430 SetLastError(NTE_BAD_UID);
433 /* FIXME: Decrement the counter here first if possible */
434 ret = pProv->pFuncs->pCPReleaseContext(pProv->hPrivate, dwFlags);
435 FreeLibrary(pProv->hModule);
437 CRYPT_Free(pProv->pVTable->pContextInfo);
439 CRYPT_Free(pProv->pVTable->pszProvName);
440 CRYPT_Free(pProv->pVTable);
441 CRYPT_Free(pProv->pFuncs);
446 /******************************************************************************
447 * CryptGenRandom (ADVAPI32.@)
449 BOOL WINAPI CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
451 PCRYPTPROV prov = (PCRYPTPROV)hProv;
453 TRACE("(0x%lx, %ld, %p)\n", hProv, dwLen, pbBuffer);
456 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
458 return prov->pFuncs->pCPGenRandom(prov->hPrivate, dwLen, pbBuffer);
461 /******************************************************************************
462 * CryptCreateHash (ADVAPI32.@)
464 BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
465 DWORD dwFlags, HCRYPTHASH *phHash)
467 PCRYPTPROV prov = (PCRYPTPROV)hProv;
468 PCRYPTKEY key = (PCRYPTKEY)hKey;
471 TRACE("(0x%lx, 0x%x, 0x%lx, %08lx, %p)\n", hProv, Algid, hKey, dwFlags, phHash);
474 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
476 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
478 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
479 if ( !(hash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
480 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
482 hash->pProvider = prov;
484 if (prov->pFuncs->pCPCreateHash(prov->hPrivate, Algid,
485 key ? key->hPrivate : 0, 0, &hash->hPrivate))
487 *phHash = (HCRYPTHASH)hash;
496 /******************************************************************************
497 * CryptDecrypt (ADVAPI32.@)
499 BOOL WINAPI CryptDecrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
500 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
503 PCRYPTKEY key = (PCRYPTKEY)hKey;
504 PCRYPTHASH hash = (PCRYPTHASH)hHash;
506 TRACE("(0x%lx, 0x%lx, %d, %08lx, %p, %p)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
508 if (!key || !pbData || !pdwDataLen)
509 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
511 prov = key->pProvider;
512 return prov->pFuncs->pCPDecrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
513 Final, dwFlags, pbData, pdwDataLen);
516 /******************************************************************************
517 * CryptDeriveKey (ADVAPI32.@)
519 BOOL WINAPI CryptDeriveKey (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
520 DWORD dwFlags, HCRYPTKEY *phKey)
522 PCRYPTPROV prov = (PCRYPTPROV)hProv;
523 PCRYPTHASH hash = (PCRYPTHASH)hBaseData;
526 TRACE("(0x%lx, 0x%08x, 0x%lx, 0x%08lx, %p)\n", hProv, Algid, hBaseData, dwFlags, phKey);
529 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
531 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
532 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
533 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
535 key->pProvider = prov;
536 if (prov->pFuncs->pCPDeriveKey(prov->hPrivate, Algid, hash->hPrivate, dwFlags, &key->hPrivate))
538 *phKey = (HCRYPTKEY)key;
547 /******************************************************************************
548 * CryptDestroyHash (ADVAPI32.@)
550 BOOL WINAPI CryptDestroyHash (HCRYPTHASH hHash)
552 PCRYPTHASH hash = (PCRYPTHASH)hHash;
556 TRACE("(0x%lx)\n", hHash);
559 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
561 prov = hash->pProvider;
562 ret = prov->pFuncs->pCPDestroyHash(prov->hPrivate, hash->hPrivate);
567 /******************************************************************************
568 * CryptDestroyKey (ADVAPI32.@)
570 BOOL WINAPI CryptDestroyKey (HCRYPTKEY hKey)
572 PCRYPTKEY key = (PCRYPTKEY)hKey;
576 TRACE("(0x%lx)\n", hKey);
579 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
581 prov = key->pProvider;
582 ret = prov->pFuncs->pCPDestroyKey(prov->hPrivate, key->hPrivate);
587 /******************************************************************************
588 * CryptDuplicateHash (ADVAPI32.@)
590 BOOL WINAPI CryptDuplicateHash (HCRYPTHASH hHash, DWORD *pdwReserved,
591 DWORD dwFlags, HCRYPTHASH *phHash)
594 PCRYPTHASH orghash, newhash;
596 TRACE("(0x%lx, %p, %08ld, %p)\n", hHash, pdwReserved, dwFlags, phHash);
598 orghash = (PCRYPTHASH)hHash;
599 if (!orghash || pdwReserved || !phHash)
600 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
602 prov = orghash->pProvider;
603 if (!prov->pFuncs->pCPDuplicateHash)
604 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
606 if ( !(newhash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
607 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
609 newhash->pProvider = prov;
610 if (prov->pFuncs->pCPDuplicateHash(prov->hPrivate, orghash->hPrivate, pdwReserved, dwFlags, &newhash->hPrivate))
612 *phHash = (HCRYPTHASH)newhash;
619 /******************************************************************************
620 * CryptDuplicateKey (ADVAPI32.@)
622 BOOL WINAPI CryptDuplicateKey (HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
625 PCRYPTKEY orgkey, newkey;
627 TRACE("(0x%lx, %p, %08ld, %p)\n", hKey, pdwReserved, dwFlags, phKey);
629 orgkey = (PCRYPTKEY)hKey;
630 if (!orgkey || pdwReserved || !phKey)
631 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
633 prov = orgkey->pProvider;
634 if (!prov->pFuncs->pCPDuplicateKey)
635 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
637 if ( !(newkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
638 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
640 newkey->pProvider = prov;
641 if (prov->pFuncs->pCPDuplicateKey(prov->hPrivate, orgkey->hPrivate, pdwReserved, dwFlags, &newkey->hPrivate))
643 *phKey = (HCRYPTKEY)newkey;
650 /******************************************************************************
651 * CryptEncrypt (ADVAPI32.@)
653 BOOL WINAPI CryptEncrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
654 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
657 PCRYPTKEY key = (PCRYPTKEY)hKey;
658 PCRYPTHASH hash = (PCRYPTHASH)hHash;
660 TRACE("(0x%lx, 0x%lx, %d, %08ld, %p, %p, %ld)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen, dwBufLen);
662 if (!key || !pdwDataLen)
663 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
665 prov = key->pProvider;
666 return prov->pFuncs->pCPEncrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
667 Final, dwFlags, pbData, pdwDataLen, dwBufLen);
670 /******************************************************************************
671 * CryptEnumProvidersA (ADVAPI32.@)
673 BOOL WINAPI CryptEnumProvidersA (DWORD dwIndex, DWORD *pdwReserved,
674 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszProvName, DWORD *pcbProvName)
678 TRACE("(%ld, %p, %ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
679 pdwProvType, pszProvName, pcbProvName);
681 if (pdwReserved || !pcbProvName) CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
682 if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
684 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider", &hKey))
685 CRYPT_ReturnLastError(NTE_FAIL);
690 RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, pcbProvName, NULL, NULL, NULL, NULL, NULL, NULL);
692 if (dwIndex >= numkeys)
693 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
695 DWORD size = sizeof(DWORD);
697 if (RegEnumKeyA(hKey, dwIndex, pszProvName, *pcbProvName))
699 if (RegOpenKeyA(hKey, pszProvName, &subkey))
701 if (RegQueryValueExA(subkey, "Type", NULL, NULL, (BYTE*)pdwProvType, &size))
709 /******************************************************************************
710 * CryptEnumProvidersW (ADVAPI32.@)
712 BOOL WINAPI CryptEnumProvidersW (DWORD dwIndex, DWORD *pdwReserved,
713 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszProvName, DWORD *pcbProvName)
717 BOOL ret; /* = FALSE; */
719 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
720 pdwProvType, pszProvName, pcbProvName);
722 strlen = *pcbProvName / sizeof(WCHAR);
723 if ( pszProvName && (str = CRYPT_Alloc(strlen)) )
724 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
725 ret = CryptEnumProvidersA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
728 CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
731 *pcbProvName = strlen * sizeof(WCHAR);
735 /******************************************************************************
736 * CryptEnumProviderTypesA (ADVAPI32.@)
738 BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
739 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszTypeName, DWORD *pcbTypeName)
742 DWORD keylen, numkeys;
745 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved,
746 dwFlags, pdwProvType, pszTypeName, pcbTypeName);
748 if (pdwReserved || !pdwProvType || !pcbTypeName)
749 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
750 if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
752 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types", &hKey))
755 RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, &keylen, NULL, NULL, NULL, NULL, NULL, NULL);
756 if (dwIndex >= numkeys)
757 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
759 if ( !(keyname = CRYPT_Alloc(keylen)) )
760 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
761 if ( RegEnumKeyA(hKey, dwIndex, keyname, keylen) ) {
765 RegOpenKeyA(hKey, keyname, &hSubkey);
766 ch = keyname + strlen(keyname);
767 /* Convert "Type 000" to 0, etc/ */
768 *pdwProvType = *(--ch) - '0';
769 *pdwProvType += (*(--ch) - '0') * 10;
770 *pdwProvType += (*(--ch) - '0') * 100;
772 RegQueryValueA(hSubkey, "TypeName", pszTypeName, pcbTypeName);
773 RegCloseKey(hSubkey);
778 /******************************************************************************
779 * CryptEnumProviderTypesW (ADVAPI32.@)
781 BOOL WINAPI CryptEnumProviderTypesW (DWORD dwIndex, DWORD *pdwReserved,
782 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszTypeName, DWORD *pcbTypeName)
788 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
789 pdwProvType, pszTypeName, pcbTypeName);
790 strlen = *pcbTypeName / sizeof(WCHAR);
791 if ( pszTypeName && (str = CRYPT_Alloc(strlen)) )
792 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
793 ret = CryptEnumProviderTypesA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
796 CRYPT_ANSIToUnicode(str, &pszTypeName, *pcbTypeName);
799 *pcbTypeName = strlen * sizeof(WCHAR);
803 /******************************************************************************
804 * CryptExportKey (ADVAPI32.@)
806 BOOL WINAPI CryptExportKey (HCRYPTKEY hKey, HCRYPTKEY hExpKey, DWORD dwBlobType,
807 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
810 PCRYPTKEY key = (PCRYPTKEY)hKey, expkey = (PCRYPTKEY)hExpKey;
812 TRACE("(0x%lx, 0x%lx, %ld, %08ld, %p, %p)\n", hKey, hExpKey, dwBlobType, dwFlags, pbData, pdwDataLen);
814 if (!key || pdwDataLen)
815 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
817 prov = key->pProvider;
818 return prov->pFuncs->pCPExportKey(prov->hPrivate, key->hPrivate, expkey ? expkey->hPrivate : 0,
819 dwBlobType, dwFlags, pbData, pdwDataLen);
822 /******************************************************************************
823 * CryptGenKey (ADVAPI32.@)
825 BOOL WINAPI CryptGenKey (HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
827 PCRYPTPROV prov = (PCRYPTPROV)hProv;
830 TRACE("(0x%lx, %d, %08ld, %p)\n", hProv, Algid, dwFlags, phKey);
833 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
835 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
836 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
837 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
839 key->pProvider = prov;
841 if (prov->pFuncs->pCPGenKey(prov->hPrivate, Algid, dwFlags, &key->hPrivate))
843 *phKey = (HCRYPTKEY)key;
852 /******************************************************************************
853 * CryptGetDefaultProviderA (ADVAPI32.@)
855 BOOL WINAPI CryptGetDefaultProviderA (DWORD dwProvType, DWORD *pdwReserved,
856 DWORD dwFlags, LPSTR pszProvName, DWORD *pcbProvName)
861 if (pdwReserved || !pcbProvName)
862 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
863 if (dwFlags & ~(CRYPT_USER_DEFAULT | CRYPT_MACHINE_DEFAULT))
864 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
865 if (dwProvType > 999)
866 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
867 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
868 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
869 if (RegOpenKeyA((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE ,keyname, &hKey))
872 CRYPT_ReturnLastError(NTE_PROV_TYPE_NOT_DEF);
875 if (RegQueryValueExA(hKey, "Name", NULL, NULL, pszProvName, pcbProvName))
877 if (GetLastError() != ERROR_MORE_DATA)
878 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
885 /******************************************************************************
886 * CryptGetDefaultProviderW (ADVAPI32.@)
888 BOOL WINAPI CryptGetDefaultProviderW (DWORD dwProvType, DWORD *pdwReserved,
889 DWORD dwFlags, LPWSTR pszProvName, DWORD *pcbProvName)
895 TRACE("(%ld, %p, %08ld, %p, %p)\n", dwProvType, pdwReserved, dwFlags, pszProvName, pcbProvName);
897 strlen = *pcbProvName / sizeof(WCHAR);
898 if ( pszProvName && !(str = CRYPT_Alloc(strlen)) )
899 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
900 ret = CryptGetDefaultProviderA(dwProvType, pdwReserved, dwFlags, str, &strlen);
903 CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
906 *pcbProvName = strlen * sizeof(WCHAR);
910 /******************************************************************************
911 * CryptGetHashParam (ADVAPI32.@)
913 BOOL WINAPI CryptGetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
914 DWORD *pdwDataLen, DWORD dwFlags)
917 PCRYPTHASH hash = (PCRYPTHASH)hHash;
919 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hHash, dwParam, pbData, pdwDataLen, dwFlags);
921 if (!hash || !pdwDataLen)
922 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
924 prov = hash->pProvider;
925 return prov->pFuncs->pCPGetHashParam(prov->hPrivate, hash->hPrivate, dwParam,
926 pbData, pdwDataLen, dwFlags);
929 /******************************************************************************
930 * CryptGetKeyParam (ADVAPI32.@)
932 BOOL WINAPI CryptGetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
933 DWORD *pdwDataLen, DWORD dwFlags)
936 PCRYPTKEY key = (PCRYPTKEY)hKey;
938 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hKey, dwParam, pbData, pdwDataLen, dwFlags);
940 if (!key || !pdwDataLen)
941 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
943 prov = key->pProvider;
944 return prov->pFuncs->pCPGetKeyParam(prov->hPrivate, key->hPrivate, dwParam,
945 pbData, pdwDataLen, dwFlags);
948 /******************************************************************************
949 * CryptGetProvParam (ADVAPI32.@)
951 BOOL WINAPI CryptGetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
952 DWORD *pdwDataLen, DWORD dwFlags)
954 PCRYPTPROV prov = (PCRYPTPROV)hProv;
956 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hProv, dwParam, pbData, pdwDataLen, dwFlags);
958 return prov->pFuncs->pCPGetProvParam(prov->hPrivate, dwParam, pbData, pdwDataLen, dwFlags);
961 /******************************************************************************
962 * CryptGetUserKey (ADVAPI32.@)
964 BOOL WINAPI CryptGetUserKey (HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
966 PCRYPTPROV prov = (PCRYPTPROV)hProv;
969 TRACE("(0x%lx, %ld, %p)\n", hProv, dwKeySpec, phUserKey);
972 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
974 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
975 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
976 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
978 key->pProvider = prov;
980 if (prov->pFuncs->pCPGetUserKey(prov->hPrivate, dwKeySpec, &key->hPrivate))
982 *phUserKey = (HCRYPTKEY)key;
991 /******************************************************************************
992 * CryptHashData (ADVAPI32.@)
994 BOOL WINAPI CryptHashData (HCRYPTHASH hHash, BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
996 PCRYPTHASH hash = (PCRYPTHASH)hHash;
999 TRACE("(0x%lx, %p, %ld, %08ld)\n", hHash, pbData, dwDataLen, dwFlags);
1002 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1003 if (!pbData || !dwDataLen)
1004 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1006 prov = hash->pProvider;
1007 return prov->pFuncs->pCPHashData(prov->hPrivate, hash->hPrivate, pbData, dwDataLen, dwFlags);
1010 /******************************************************************************
1011 * CryptHashSessionKey (ADVAPI32.@)
1013 BOOL WINAPI CryptHashSessionKey (HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
1015 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1016 PCRYPTKEY key = (PCRYPTKEY)hKey;
1019 TRACE("(0x%lx, 0x%lx, %08ld)\n", hHash, hKey, dwFlags);
1022 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1024 prov = hash->pProvider;
1025 return prov->pFuncs->pCPHashSessionKey(prov->hPrivate, hash->hPrivate, key->hPrivate, dwFlags);
1028 /******************************************************************************
1029 * CryptImportKey (ADVAPI32.@)
1031 BOOL WINAPI CryptImportKey (HCRYPTPROV hProv, BYTE *pbData, DWORD dwDataLen,
1032 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
1034 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1035 PCRYPTKEY pubkey = (PCRYPTKEY)hPubKey, importkey;
1037 TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld, %p)\n", hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
1039 if (!prov || !pbData || !dwDataLen || !phKey)
1040 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1042 if ( !(importkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1043 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1045 importkey->pProvider = prov;
1046 if (prov->pFuncs->pCPImportKey(prov->hPrivate, pbData, dwDataLen,
1047 pubkey ? pubkey->hPrivate : 0, dwFlags, &importkey->hPrivate))
1049 *phKey = (HCRYPTKEY)importkey;
1053 CRYPT_Free(importkey);
1057 /******************************************************************************
1060 * Note: Since the sDesciption (string) is supposed to be NULL and
1061 * is only retained for compatibility no string conversions are required
1062 * and only one implementation is required for both ANSI and Unicode.
1063 * We still need to export both:
1065 * CryptSignHashA (ADVAPI32.@)
1066 * CryptSignHashW (ADVAPI32.@)
1068 BOOL WINAPI CryptSignHashA (HCRYPTHASH hHash, DWORD dwKeySpec, LPCSTR sDescription,
1069 DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
1071 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1074 TRACE("(0x%lx, %ld, %08ld, %p, %p)\n", hHash, dwKeySpec, dwFlags, pbSignature, pdwSigLen);
1076 WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
1079 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1081 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1083 prov = hash->pProvider;
1084 return prov->pFuncs->pCPSignHash(prov->hPrivate, hash->hPrivate, dwKeySpec, NULL,
1085 dwFlags, pbSignature, pdwSigLen);
1088 /******************************************************************************
1089 * CryptSetHashParam (ADVAPI32.@)
1091 BOOL WINAPI CryptSetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1094 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1096 TRACE("(0x%lx, %ld, %p, %08ld)\n", hHash, dwParam, pbData, dwFlags);
1098 if (!hash || !pbData)
1099 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1101 prov = hash->pProvider;
1102 return prov->pFuncs->pCPSetHashParam(prov->hPrivate, hash->hPrivate,
1103 dwParam, pbData, dwFlags);
1106 /******************************************************************************
1107 * CryptSetKeyParam (ADVAPI32.@)
1109 BOOL WINAPI CryptSetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1112 PCRYPTKEY key = (PCRYPTKEY)hKey;
1114 TRACE("(0x%lx, %ld, %p, %08ld)\n", hKey, dwParam, pbData, dwFlags);
1116 if (!key || !pbData)
1117 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1119 prov = key->pProvider;
1120 return prov->pFuncs->pCPSetKeyParam(prov->hPrivate, key->hPrivate,
1121 dwParam, pbData, dwFlags);
1124 /******************************************************************************
1125 * CryptSetProviderA (ADVAPI32.@)
1127 BOOL WINAPI CryptSetProviderA (LPCSTR pszProvName, DWORD dwProvType)
1129 TRACE("(%s, %ld)\n", pszProvName, dwProvType);
1130 return CryptSetProviderExA(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
1133 /******************************************************************************
1134 * CryptSetProviderW (ADVAPI32.@)
1136 BOOL WINAPI CryptSetProviderW (LPCWSTR pszProvName, DWORD dwProvType)
1138 TRACE("(%s, %ld)\n", debugstr_w(pszProvName), dwProvType);
1139 return CryptSetProviderExW(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
1142 /******************************************************************************
1143 * CryptSetProviderExA (ADVAPI32.@)
1145 BOOL WINAPI CryptSetProviderExA (LPCSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
1150 TRACE("(%s, %ld, %p, %08ld)\n", pszProvName, dwProvType, pdwReserved, dwFlags);
1152 if (!pszProvName || pdwReserved)
1153 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1154 if (dwProvType > MAXPROVTYPES)
1155 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
1156 if (dwFlags & ~(CRYPT_MACHINE_DEFAULT | CRYPT_USER_DEFAULT | CRYPT_DELETE_DEFAULT)
1157 || dwFlags == CRYPT_DELETE_DEFAULT)
1158 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
1160 if (dwFlags & CRYPT_DELETE_DEFAULT)
1162 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1163 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1164 RegDeleteKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname);
1165 CRYPT_Free(keyname);
1169 if ( !(keyname = CRYPT_GetProvKeyName(pszProvName)) )
1170 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1171 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &hKey))
1173 CRYPT_Free(keyname);
1174 CRYPT_ReturnLastError(NTE_BAD_PROVIDER);
1176 CRYPT_Free(keyname);
1178 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1179 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1180 RegCreateKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname, &hKey);
1181 CRYPT_Free(keyname);
1182 if (RegSetValueExA(hKey, "Name", 0, REG_SZ, pszProvName, strlen(pszProvName) +1))
1187 /******************************************************************************
1188 * CryptSetProviderExW (ADVAPI32.@)
1190 BOOL WINAPI CryptSetProviderExW (LPCWSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
1195 TRACE("(%s, %ld, %p, %08ld)\n", debugstr_w(pszProvName), dwProvType, pdwReserved, dwFlags);
1197 if (CRYPT_UnicodeToANSI(pszProvName, &str, -1))
1199 ret = CryptSetProviderExA(str, dwProvType, pdwReserved, dwFlags);
1205 /******************************************************************************
1206 * CryptSetProvParam (ADVAPI32.@)
1208 BOOL WINAPI CryptSetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1210 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1212 TRACE("(0x%lx, %ld, %p, %08ld)\n", hProv, dwParam, pbData, dwFlags);
1215 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1216 if (dwFlags & PP_USE_HARDWARE_RNG)
1218 FIXME("PP_USE_HARDWARE_RNG: What do I do with this?\n");
1219 FIXME("\tLetting the CSP decide.\n");
1221 if (dwFlags & PP_CLIENT_HWND)
1223 /* FIXME: Should verify the parameter */
1224 if (pbData /* && IsWindow((HWND)pbData) */)
1226 crypt_hWindow = (HWND)(pbData);
1229 SetLastError(ERROR_INVALID_PARAMETER);
1233 /* All other flags go to the CSP */
1234 return prov->pFuncs->pCPSetProvParam(prov->hPrivate, dwParam, pbData, dwFlags);
1237 /******************************************************************************
1238 * CryptVerifySignatureA
1240 * Note: Since the sDesciption (string) is supposed to be NULL and
1241 * is only retained for compatibility no string conversions are required
1242 * and only one implementation is required for both ANSI and Unicode.
1243 * We still need to export both:
1245 * CryptVerifySignatureA (ADVAPI32.@)
1246 * CryptVerifySignatureW (ADVAPI32.@)
1248 BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, BYTE *pbSignature, DWORD dwSigLen,
1249 HCRYPTKEY hPubKey, LPCSTR sDescription, DWORD dwFlags)
1251 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1252 PCRYPTKEY key = (PCRYPTKEY)hPubKey;
1255 TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld)\n", hHash, pbSignature,
1256 dwSigLen, hPubKey, dwFlags);
1258 WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
1261 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1262 if (!pbSignature || !dwSigLen)
1263 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1265 prov = hash->pProvider;
1266 return prov->pFuncs->pCPVerifySignature(prov->hPrivate, hash->hPrivate, pbSignature, dwSigLen,
1267 key->hPrivate, NULL, dwFlags);