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
32 #include <sys/types.h>
33 #ifdef HAVE_SYS_STAT_H
34 # include <sys/stat.h>
44 #include "wine/debug.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(crypt
);
50 HWND crypt_hWindow
= 0;
52 #define CRYPT_ReturnLastError(err) {SetLastError(err); return FALSE;}
54 #define CRYPT_Alloc(size) ((LPVOID)LocalAlloc(LMEM_ZEROINIT, size))
55 #define CRYPT_Free(buffer) (LocalFree((HLOCAL)buffer))
57 static inline PSTR
CRYPT_GetProvKeyName(PCSTR pProvName
)
59 PCSTR KEYSTR
= "Software\\Microsoft\\Cryptography\\Defaults\\Provider\\";
62 keyname
= CRYPT_Alloc(strlen(KEYSTR
) + strlen(pProvName
) +1);
65 strcpy(keyname
, KEYSTR
);
66 strcpy(keyname
+ strlen(KEYSTR
), pProvName
);
68 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
72 static inline PSTR
CRYPT_GetTypeKeyName(DWORD dwType
, BOOL user
)
74 PCSTR MACHINESTR
= "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type XXX";
75 PCSTR USERSTR
= "Software\\Microsoft\\Cryptography\\Provider Type XXX";
79 keyname
= CRYPT_Alloc( (user
? strlen(USERSTR
) : strlen(MACHINESTR
)) +1);
82 user
? strcpy(keyname
, USERSTR
) : strcpy(keyname
, MACHINESTR
);
83 ptr
= keyname
+ strlen(keyname
);
84 *(--ptr
) = (dwType
% 10) + '0';
85 *(--ptr
) = ((dwType
/ 10) % 10) + '0';
86 *(--ptr
) = (dwType
/ 100) + '0';
88 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
92 /* CRYPT_UnicodeTOANSI
93 * wstr - unicode string
94 * str - pointer to ANSI string
95 * strsize - size of buffer pointed to by str or -1 if we have to do the allocation
97 * returns TRUE if unsuccessfull, FALSE otherwise.
98 * if wstr is NULL, returns TRUE and sets str to NULL! Value of str should be checked after call
100 static inline BOOL
CRYPT_UnicodeToANSI(LPCWSTR wstr
, LPSTR
* str
, int strsize
)
109 count
= WideCharToMultiByte(CP_ACP
, 0, wstr
, -1, NULL
, 0, NULL
, NULL
);
111 *str
= CRYPT_Alloc(count
* sizeof(CHAR
));
113 count
= min( count
, strsize
);
116 WideCharToMultiByte(CP_ACP
, 0, wstr
, -1, *str
, count
, NULL
, NULL
);
119 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
123 /* CRYPT_ANSITOUnicode
125 * wstr - pointer to unicode string
126 * wstrsize - size of buffer pointed to by wstr or -1 if we have to do the allocation
128 static inline BOOL
CRYPT_ANSIToUnicode(LPCSTR str
, LPWSTR
* wstr
, int wstrsize
)
137 wcount
= MultiByteToWideChar(CP_ACP
, 0, str
, -1, NULL
, 0);
139 *wstr
= CRYPT_Alloc(wcount
* sizeof(WCHAR
));
141 wcount
= min( wcount
, wstrsize
/sizeof(WCHAR
) );
144 MultiByteToWideChar(CP_ACP
, 0, str
, -1, *wstr
, wcount
);
147 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
151 /* These next 2 functions are used by the VTableProvStruc structure */
152 static BOOL CALLBACK
CRYPT_VerifyImage(LPCSTR lpszImage
, BYTE
* pData
)
154 if (!lpszImage
|| !pData
)
156 SetLastError(ERROR_INVALID_PARAMETER
);
160 FIXME("(%s, %p): not verifying image\n", lpszImage
, pData
);
165 static BOOL CALLBACK
CRYPT_ReturnhWnd(HWND
*phWnd
)
169 *phWnd
= crypt_hWindow
;
173 #define CRYPT_GetProvFunc(name) \
174 if ( !(provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)) ) goto error
175 #define CRYPT_GetProvFuncOpt(name) \
176 provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)
177 static PCRYPTPROV
CRYPT_LoadProvider(PSTR pImage
)
180 DWORD errorcode
= ERROR_NOT_ENOUGH_MEMORY
;
182 if ( !(provider
= CRYPT_Alloc(sizeof(CRYPTPROV
))) ) goto error
;
183 if ( !(provider
->pFuncs
= CRYPT_Alloc(sizeof(PROVFUNCS
))) ) goto error
;
184 if ( !(provider
->pVTable
= CRYPT_Alloc(sizeof(VTableProvStruc
))) ) goto error
;
185 if ( !(provider
->hModule
= LoadLibraryA(pImage
)) )
187 errorcode
= (GetLastError() == ERROR_FILE_NOT_FOUND
) ? NTE_PROV_DLL_NOT_FOUND
: NTE_PROVIDER_DLL_FAIL
;
188 FIXME("Failed to load dll %s\n", debugstr_a(pImage
));
191 provider
->dwMagic
= MAGIC_CRYPTPROV
;
192 provider
->refcount
= 1;
194 errorcode
= NTE_PROVIDER_DLL_FAIL
;
195 CRYPT_GetProvFunc(CPAcquireContext
);
196 CRYPT_GetProvFunc(CPCreateHash
);
197 CRYPT_GetProvFunc(CPDecrypt
);
198 CRYPT_GetProvFunc(CPDeriveKey
);
199 CRYPT_GetProvFunc(CPDestroyHash
);
200 CRYPT_GetProvFunc(CPDestroyKey
);
201 CRYPT_GetProvFuncOpt(CPDuplicateHash
);
202 CRYPT_GetProvFuncOpt(CPDuplicateKey
);
203 CRYPT_GetProvFunc(CPEncrypt
);
204 CRYPT_GetProvFunc(CPExportKey
);
205 CRYPT_GetProvFunc(CPGenKey
);
206 CRYPT_GetProvFunc(CPGenRandom
);
207 CRYPT_GetProvFunc(CPGetHashParam
);
208 CRYPT_GetProvFunc(CPGetKeyParam
);
209 CRYPT_GetProvFunc(CPGetProvParam
);
210 CRYPT_GetProvFunc(CPGetUserKey
);
211 CRYPT_GetProvFunc(CPHashData
);
212 CRYPT_GetProvFunc(CPHashSessionKey
);
213 CRYPT_GetProvFunc(CPImportKey
);
214 CRYPT_GetProvFunc(CPReleaseContext
);
215 CRYPT_GetProvFunc(CPSetHashParam
);
216 CRYPT_GetProvFunc(CPSetKeyParam
);
217 CRYPT_GetProvFunc(CPSetProvParam
);
218 CRYPT_GetProvFunc(CPSignHash
);
219 CRYPT_GetProvFunc(CPVerifySignature
);
221 /* FIXME: Not sure what the pbContextInfo field is for.
222 * Does it need memory allocation?
224 provider
->pVTable
->Version
= 3;
225 provider
->pVTable
->pFuncVerifyImage
= (FARPROC
)CRYPT_VerifyImage
;
226 provider
->pVTable
->pFuncReturnhWnd
= (FARPROC
)CRYPT_ReturnhWnd
;
227 provider
->pVTable
->dwProvType
= 0;
228 provider
->pVTable
->pbContextInfo
= NULL
;
229 provider
->pVTable
->cbContextInfo
= 0;
230 provider
->pVTable
->pszProvName
= NULL
;
234 SetLastError(errorcode
);
237 provider
->dwMagic
= 0;
238 if (provider
->hModule
)
239 FreeLibrary(provider
->hModule
);
240 CRYPT_Free(provider
->pVTable
);
241 CRYPT_Free(provider
->pFuncs
);
242 CRYPT_Free(provider
);
246 #undef CRYPT_GetProvFunc
247 #undef CRYPT_GetProvFuncOpt
250 /******************************************************************************
251 * CryptAcquireContextA (ADVAPI32.@)
252 * Acquire a crypto provider context handle.
255 * phProv: Pointer to HCRYPTPROV for the output.
256 * pszContainer: Key Container Name
257 * pszProvider: Cryptographic Service Provider Name
258 * dwProvType: Crypto provider type to get a handle.
259 * dwFlags: flags for the operation
261 * RETURNS TRUE on success, FALSE on failure.
263 BOOL WINAPI
CryptAcquireContextA (HCRYPTPROV
*phProv
, LPCSTR pszContainer
,
264 LPCSTR pszProvider
, DWORD dwProvType
, DWORD dwFlags
)
266 PCRYPTPROV pProv
= NULL
;
268 PSTR imagepath
= NULL
, keyname
= NULL
, provname
= NULL
, temp
= NULL
;
269 DWORD keytype
, type
, len
;
272 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv
, pszContainer
,
273 pszProvider
, dwProvType
, dwFlags
);
275 if (dwProvType
< 1 || dwProvType
> MAXPROVTYPES
)
277 SetLastError(NTE_BAD_PROV_TYPE
);
283 SetLastError(ERROR_INVALID_PARAMETER
);
287 if (!pszProvider
|| !*pszProvider
)
289 /* No CSP name specified so try the user default CSP first
290 * then try the machine default CSP
292 if ( !(keyname
= CRYPT_GetTypeKeyName(dwProvType
, TRUE
)) ) {
293 TRACE("No provider registered for crypto provider type %ld.\n", dwProvType
);
294 SetLastError(NTE_PROV_TYPE_NOT_DEF
);
297 if (RegOpenKeyA(HKEY_CURRENT_USER
, keyname
, &key
))
300 if ( !(keyname
= CRYPT_GetTypeKeyName(dwProvType
, FALSE
)) ) {
301 TRACE("No type registered for crypto provider type %ld.\n", dwProvType
);
303 SetLastError(NTE_PROV_TYPE_NOT_DEF
);
306 if (RegOpenKeyA(HKEY_LOCAL_MACHINE
, keyname
, &key
)) {
307 TRACE("Did not find registry entry of crypto provider for %s.\n", debugstr_a(keyname
));
310 SetLastError(NTE_PROV_TYPE_NOT_DEF
);
315 r
= RegQueryValueExA(key
, "Name", NULL
, &keytype
, NULL
, &len
);
316 if( r
!= ERROR_SUCCESS
|| !len
|| keytype
!= REG_SZ
)
318 TRACE("error %ld reading size of 'Name' from registry\n", r
);
320 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
323 if(!(provname
= CRYPT_Alloc(len
)))
326 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
329 r
= RegQueryValueExA(key
, "Name", NULL
, NULL
, provname
, &len
);
330 if( r
!= ERROR_SUCCESS
)
332 TRACE("error %ld reading 'Name' from registry\n", r
);
334 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
339 if ( !(provname
= CRYPT_Alloc(strlen(pszProvider
) +1)) )
341 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
344 strcpy(provname
, pszProvider
);
347 keyname
= CRYPT_GetProvKeyName(provname
);
348 r
= RegOpenKeyA(HKEY_LOCAL_MACHINE
, keyname
, &key
);
350 if (r
!= ERROR_SUCCESS
)
352 SetLastError(NTE_KEYSET_NOT_DEF
);
356 r
= RegQueryValueExA(key
, "Type", NULL
, NULL
, (BYTE
*)&type
, &len
);
357 if (r
!= ERROR_SUCCESS
)
359 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
362 if (type
!= dwProvType
)
364 TRACE("Crypto provider has wrong type (%ld vs expected %ld).\n", type
, dwProvType
);
365 SetLastError(NTE_PROV_TYPE_NO_MATCH
);
369 r
= RegQueryValueExA(key
, "Image Path", NULL
, &keytype
, NULL
, &len
);
370 if ( r
!= ERROR_SUCCESS
|| keytype
!= REG_SZ
)
372 TRACE("error %ld reading size of 'Image Path' from registry\n", r
);
374 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
377 if (!(temp
= CRYPT_Alloc(len
)))
380 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
383 r
= RegQueryValueExA(key
, "Image Path", NULL
, NULL
, temp
, &len
);
384 if( r
!= ERROR_SUCCESS
)
386 TRACE("error %ld reading 'Image Path' from registry\n", r
);
388 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
392 len
= ExpandEnvironmentStringsA(temp
, NULL
, 0);
393 if ( !(imagepath
= CRYPT_Alloc(len
)) )
395 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
398 if (!ExpandEnvironmentStringsA(temp
, imagepath
, len
))
400 /* ExpandEnvironmentStrings will call SetLastError */
403 pProv
= CRYPT_LoadProvider(imagepath
);
405 /* CRYPT_LoadProvider calls SetLastError */
408 pProv
->pVTable
->dwProvType
= dwProvType
;
409 pProv
->pVTable
->pszProvName
= provname
;
410 if (pProv
->pFuncs
->pCPAcquireContext(&pProv
->hPrivate
, (CHAR
*)pszContainer
, dwFlags
, pProv
->pVTable
))
412 /* MSDN: When this flag is set, the value returned in phProv is undefined,
413 * and thus, the CryptReleaseContext function need not be called afterwards.
414 * Therefore, we must clean up everything now.
416 if (dwFlags
& CRYPT_DELETEKEYSET
)
419 FreeLibrary(pProv
->hModule
);
420 CRYPT_Free(provname
);
421 CRYPT_Free(pProv
->pFuncs
);
424 *phProv
= (HCRYPTPROV
)pProv
;
427 CRYPT_Free(imagepath
);
430 /* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
436 FreeLibrary(pProv
->hModule
);
438 CRYPT_Free(pProv
->pVTable
);
440 CRYPT_Free(pProv
->pFuncs
);
444 CRYPT_Free(provname
);
448 CRYPT_Free(imagepath
);
452 /******************************************************************************
453 * CryptAcquireContextW (ADVAPI32.@)
455 * see CryptAcquireContextA
457 BOOL WINAPI
CryptAcquireContextW (HCRYPTPROV
*phProv
, LPCWSTR pszContainer
,
458 LPCWSTR pszProvider
, DWORD dwProvType
, DWORD dwFlags
)
460 PSTR pProvider
= NULL
, pContainer
= NULL
;
463 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv
, debugstr_w(pszContainer
),
464 debugstr_w(pszProvider
), dwProvType
, dwFlags
);
466 if ( !CRYPT_UnicodeToANSI(pszContainer
, &pContainer
, -1) )
467 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
468 if ( !CRYPT_UnicodeToANSI(pszProvider
, &pProvider
, -1) )
470 CRYPT_Free(pContainer
);
471 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
474 ret
= CryptAcquireContextA(phProv
, pContainer
, pProvider
, dwProvType
, dwFlags
);
477 CRYPT_Free(pContainer
);
479 CRYPT_Free(pProvider
);
484 /******************************************************************************
485 * CryptContextAddRef (ADVAPI32.@)
487 * Increases reference count of a cryptographic service provider handle
491 * hProv [I] Handle to the CSP whose reference is being incremented.
492 * pdwReserved [IN] Reserved for future use and must be NULL.
493 * dwFlags [I] Reserved for future use and must be NULL.
499 BOOL WINAPI
CryptContextAddRef (HCRYPTPROV hProv
, DWORD
*pdwReserved
, DWORD dwFlags
)
501 PCRYPTPROV pProv
= (PCRYPTPROV
)hProv
;
503 TRACE("(0x%lx, %p, %08lx)\n", hProv
, pdwReserved
, dwFlags
);
507 SetLastError(NTE_BAD_UID
);
511 if (pProv
->dwMagic
!= MAGIC_CRYPTPROV
)
513 SetLastError(ERROR_INVALID_PARAMETER
);
521 /******************************************************************************
522 * CryptReleaseContext (ADVAPI32.@)
524 * Releases the handle of a CSP. Reference count is decreased.
527 * hProv [I] Handle of a CSP.
528 * dwFlags [I] Reserved for future use and must be NULL.
534 BOOL WINAPI
CryptReleaseContext (HCRYPTPROV hProv
, DWORD dwFlags
)
536 PCRYPTPROV pProv
= (PCRYPTPROV
)hProv
;
539 TRACE("(0x%lx, %08ld)\n", hProv
, dwFlags
);
543 SetLastError(NTE_BAD_UID
);
547 if (pProv
->dwMagic
!= MAGIC_CRYPTPROV
)
549 SetLastError(ERROR_INVALID_PARAMETER
);
554 if (pProv
->refcount
<= 0)
556 ret
= pProv
->pFuncs
->pCPReleaseContext(pProv
->hPrivate
, dwFlags
);
558 FreeLibrary(pProv
->hModule
);
560 CRYPT_Free(pProv
->pVTable
->pContextInfo
);
562 CRYPT_Free(pProv
->pVTable
->pszProvName
);
563 CRYPT_Free(pProv
->pVTable
);
564 CRYPT_Free(pProv
->pFuncs
);
570 /******************************************************************************
571 * CryptGenRandom (ADVAPI32.@)
573 * Fills a buffer with cryptographically random bytes.
576 * hProv [I] Handle of a CSP.
577 * dwLen [I] Number of bytes to generate.
578 * pbBuffer [I/O] Buffer to contain random bytes.
585 * pdBuffer must be at least dwLen bytes long.
587 BOOL WINAPI
CryptGenRandom (HCRYPTPROV hProv
, DWORD dwLen
, BYTE
*pbBuffer
)
589 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
591 TRACE("(0x%lx, %ld, %p)\n", hProv
, dwLen
, pbBuffer
);
594 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
596 if (prov
->dwMagic
!= MAGIC_CRYPTPROV
)
597 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
599 return prov
->pFuncs
->pCPGenRandom(prov
->hPrivate
, dwLen
, pbBuffer
);
602 /******************************************************************************
603 * CryptCreateHash (ADVAPI32.@)
605 * Initiates the hashing of a stream of data.
608 * hProv [I] Handle of a CSP.
609 * Algid [I] Identifies the hash algorithm to use.
610 * hKey [I] Key for the hash (if required).
611 * dwFlags [I] Reserved for future use and must be NULL.
612 * phHash [O] Address of the future handle to the new hash object.
619 * If the algorithm is a keyed hash, hKey is the key.
621 BOOL WINAPI
CryptCreateHash (HCRYPTPROV hProv
, ALG_ID Algid
, HCRYPTKEY hKey
,
622 DWORD dwFlags
, HCRYPTHASH
*phHash
)
624 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
625 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
628 TRACE("(0x%lx, 0x%x, 0x%lx, %08lx, %p)\n", hProv
, Algid
, hKey
, dwFlags
, phHash
);
631 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
632 if (!phHash
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
633 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
635 CRYPT_ReturnLastError(NTE_BAD_FLAGS
);
636 if ( !(hash
= CRYPT_Alloc(sizeof(CRYPTHASH
))) )
637 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
639 hash
->pProvider
= prov
;
641 if (prov
->pFuncs
->pCPCreateHash(prov
->hPrivate
, Algid
,
642 key
? key
->hPrivate
: 0, 0, &hash
->hPrivate
))
644 *phHash
= (HCRYPTHASH
)hash
;
654 /******************************************************************************
655 * CryptDecrypt (ADVAPI32.@)
657 * Decrypts data encrypted by CryptEncrypt.
660 * hKey [I] Handle to the decryption key.
661 * hHash [I] Handle to a hash object.
662 * Final [I] TRUE if this is the last section to be decrypted.
663 * dwFlags [I] Reserved for future use. Can be CRYPT_OAEP.
664 * pbData [I/O] Buffer that holds the encrypted data. Holds decrypted
666 * pdwDataLen [I/O] Length of pbData before and after the call.
672 BOOL WINAPI
CryptDecrypt (HCRYPTKEY hKey
, HCRYPTHASH hHash
, BOOL Final
,
673 DWORD dwFlags
, BYTE
*pbData
, DWORD
*pdwDataLen
)
676 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
677 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
679 TRACE("(0x%lx, 0x%lx, %d, %08lx, %p, %p)\n", hKey
, hHash
, Final
, dwFlags
, pbData
, pdwDataLen
);
681 if (!key
|| !pbData
|| !pdwDataLen
|| !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
682 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
684 prov
= key
->pProvider
;
685 return prov
->pFuncs
->pCPDecrypt(prov
->hPrivate
, key
->hPrivate
, hash
? hash
->hPrivate
: 0,
686 Final
, dwFlags
, pbData
, pdwDataLen
);
689 /******************************************************************************
690 * CryptDeriveKey (ADVAPI32.@)
692 * Generates session keys derived from a base data value.
695 * hProv [I] Handle to a CSP.
696 * Algid [I] Identifies the symmetric encryption algorithm to use.
697 * hBaseData [I] Handle to a hash object.
698 * dwFlags [I] Type of key to generate.
699 * phKey [I/O] Address of the newly generated key.
705 BOOL WINAPI
CryptDeriveKey (HCRYPTPROV hProv
, ALG_ID Algid
, HCRYPTHASH hBaseData
,
706 DWORD dwFlags
, HCRYPTKEY
*phKey
)
708 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
709 PCRYPTHASH hash
= (PCRYPTHASH
)hBaseData
;
712 TRACE("(0x%lx, 0x%08x, 0x%lx, 0x%08lx, %p)\n", hProv
, Algid
, hBaseData
, dwFlags
, phKey
);
715 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
716 if (!phKey
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
717 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
718 if ( !(key
= CRYPT_Alloc(sizeof(CRYPTKEY
))) )
719 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
721 key
->pProvider
= prov
;
722 if (prov
->pFuncs
->pCPDeriveKey(prov
->hPrivate
, Algid
, hash
->hPrivate
, dwFlags
, &key
->hPrivate
))
724 *phKey
= (HCRYPTKEY
)key
;
734 /******************************************************************************
735 * CryptDestroyHash (ADVAPI32.@)
737 * Destroys the hash object referenced by hHash.
740 * hHash [I] Handle of the hash object to be destroyed.
746 BOOL WINAPI
CryptDestroyHash (HCRYPTHASH hHash
)
748 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
752 TRACE("(0x%lx)\n", hHash
);
755 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
757 if (!hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
758 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
760 prov
= hash
->pProvider
;
761 ret
= prov
->pFuncs
->pCPDestroyHash(prov
->hPrivate
, hash
->hPrivate
);
766 /******************************************************************************
767 * CryptDestroyKey (ADVAPI32.@)
769 * Releases the handle referenced by hKey.
772 * hKey [I] Handle of the key to be destroyed.
778 BOOL WINAPI
CryptDestroyKey (HCRYPTKEY hKey
)
780 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
784 TRACE("(0x%lx)\n", hKey
);
787 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
789 if (!key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
790 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
792 prov
= key
->pProvider
;
793 ret
= prov
->pFuncs
->pCPDestroyKey(prov
->hPrivate
, key
->hPrivate
);
798 /******************************************************************************
799 * CryptDuplicateHash (ADVAPI32.@)
804 * hHash [I] Handle to the hash to be copied.
805 * pdwReserved [I] Reserved for future use and must be zero.
806 * dwFlags [I] Reserved for future use and must be zero.
807 * phHash [O] Address of the handle to receive the copy.
813 BOOL WINAPI
CryptDuplicateHash (HCRYPTHASH hHash
, DWORD
*pdwReserved
,
814 DWORD dwFlags
, HCRYPTHASH
*phHash
)
817 PCRYPTHASH orghash
, newhash
;
819 TRACE("(0x%lx, %p, %08ld, %p)\n", hHash
, pdwReserved
, dwFlags
, phHash
);
821 orghash
= (PCRYPTHASH
)hHash
;
822 if (!orghash
|| pdwReserved
|| !phHash
|| !orghash
->pProvider
||
823 orghash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
825 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
828 prov
= orghash
->pProvider
;
829 if (!prov
->pFuncs
->pCPDuplicateHash
)
830 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED
);
832 if ( !(newhash
= CRYPT_Alloc(sizeof(CRYPTHASH
))) )
833 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
835 newhash
->pProvider
= prov
;
836 if (prov
->pFuncs
->pCPDuplicateHash(prov
->hPrivate
, orghash
->hPrivate
, pdwReserved
, dwFlags
, &newhash
->hPrivate
))
838 *phHash
= (HCRYPTHASH
)newhash
;
845 /******************************************************************************
846 * CryptDuplicateKey (ADVAPI32.@)
848 * Duplicate a key and the key's state.
851 * hKey [I] Handle of the key to copy.
852 * pdwReserved [I] Reserved for future use and must be NULL.
853 * dwFlags [I] Reserved for future use and must be zero.
854 * phKey [I] Address of the handle to the duplicated key.
860 BOOL WINAPI
CryptDuplicateKey (HCRYPTKEY hKey
, DWORD
*pdwReserved
, DWORD dwFlags
, HCRYPTKEY
*phKey
)
863 PCRYPTKEY orgkey
, newkey
;
865 TRACE("(0x%lx, %p, %08ld, %p)\n", hKey
, pdwReserved
, dwFlags
, phKey
);
867 orgkey
= (PCRYPTKEY
)hKey
;
868 if (!orgkey
|| pdwReserved
|| !phKey
|| !orgkey
->pProvider
||
869 orgkey
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
871 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
874 prov
= orgkey
->pProvider
;
875 if (!prov
->pFuncs
->pCPDuplicateKey
)
876 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED
);
878 if ( !(newkey
= CRYPT_Alloc(sizeof(CRYPTKEY
))) )
879 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
881 newkey
->pProvider
= prov
;
882 if (prov
->pFuncs
->pCPDuplicateKey(prov
->hPrivate
, orgkey
->hPrivate
, pdwReserved
, dwFlags
, &newkey
->hPrivate
))
884 *phKey
= (HCRYPTKEY
)newkey
;
891 /******************************************************************************
892 * CryptEncrypt (ADVAPI32.@)
897 * hKey [I] Handle to the enryption key.
898 * hHash [I] Handle to a hash object.
899 * Final [I] TRUE if this is the last section to encrypt.
900 * dwFlags [I] Can be CRYPT_OAEP.
901 * pbData [I/O] Data to be encrypted. Contains encrypted data after call.
902 * pdwDataLen [I/O] Length of the data to encrypt. Contains the length of the
903 * encrypted data after call.
904 * dwBufLen [I] Length of the input pbData buffer.
911 * If pbData is NULL, CryptEncrypt determines stores the number of bytes
912 * required for the returned data in pdwDataLen.
914 BOOL WINAPI
CryptEncrypt (HCRYPTKEY hKey
, HCRYPTHASH hHash
, BOOL Final
,
915 DWORD dwFlags
, BYTE
*pbData
, DWORD
*pdwDataLen
, DWORD dwBufLen
)
918 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
919 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
921 TRACE("(0x%lx, 0x%lx, %d, %08ld, %p, %p, %ld)\n", hKey
, hHash
, Final
, dwFlags
, pbData
, pdwDataLen
, dwBufLen
);
923 if (!key
|| !pdwDataLen
|| !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
924 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
926 prov
= key
->pProvider
;
927 return prov
->pFuncs
->pCPEncrypt(prov
->hPrivate
, key
->hPrivate
, hash
? hash
->hPrivate
: 0,
928 Final
, dwFlags
, pbData
, pdwDataLen
, dwBufLen
);
931 /******************************************************************************
932 * CryptEnumProvidersW (ADVAPI32.@)
934 * Returns the next availabe CSP.
937 * dwIndex [I] Index of the next provider to be enumerated.
938 * pdwReserved [I] Reserved for future use and must be NULL.
939 * dwFlags [I] Reserved for future use and must be zero.
940 * pdwProvType [O] DWORD designating the type of the provider.
941 * pszProvName [O] Buffer that receives data from the provider.
942 * pcbProvName [I/O] Specifies the size of pszProvName. Contains the number
943 * of bytes stored in the buffer on return.
950 * If pszProvName is NULL, CryptEnumProvidersW sets the size of the name
951 * for memory allocation purposes.
953 BOOL WINAPI
CryptEnumProvidersW (DWORD dwIndex
, DWORD
*pdwReserved
,
954 DWORD dwFlags
, DWORD
*pdwProvType
, LPWSTR pszProvName
, DWORD
*pcbProvName
)
958 static const WCHAR providerW
[] = {
959 'S','o','f','t','w','a','r','e','\\',
960 'M','i','c','r','o','s','o','f','t','\\',
961 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
962 'D','e','f','a','u','l','t','s','\\',
963 'P','r','o','v','i','d','e','r',0
966 static const WCHAR typeW
[] = {'T','y','p','e',0};
968 TRACE("(%ld, %p, %ld, %p, %p, %p)\n", dwIndex
, pdwReserved
, dwFlags
,
969 pdwProvType
, pszProvName
, pcbProvName
);
971 if (pdwReserved
|| !pcbProvName
) CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
972 if (dwFlags
) CRYPT_ReturnLastError(NTE_BAD_FLAGS
);
974 if (RegOpenKeyW(HKEY_LOCAL_MACHINE
, providerW
, &hKey
))
975 CRYPT_ReturnLastError(NTE_FAIL
);
982 RegQueryInfoKeyW(hKey
, NULL
, NULL
, NULL
, &numkeys
, pcbProvName
,
983 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
);
985 if (!(provNameW
= CRYPT_Alloc(*pcbProvName
* sizeof(WCHAR
))))
986 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
988 RegEnumKeyExW(hKey
, dwIndex
, provNameW
, pcbProvName
, NULL
, NULL
, NULL
, NULL
);
990 *pcbProvName
*= sizeof(WCHAR
);
992 CRYPT_Free(provNameW
);
994 if (dwIndex
>= numkeys
)
995 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS
);
997 DWORD size
= sizeof(DWORD
);
1001 result
= RegEnumKeyW(hKey
, dwIndex
, pszProvName
, *pcbProvName
/ sizeof(WCHAR
));
1003 CRYPT_ReturnLastError(result
);
1004 if (RegOpenKeyW(hKey
, pszProvName
, &subkey
))
1006 if (RegQueryValueExW(subkey
, typeW
, NULL
, NULL
, (BYTE
*)pdwProvType
, &size
))
1008 RegCloseKey(subkey
);
1014 /******************************************************************************
1015 * CryptEnumProvidersA (ADVAPI32.@)
1017 * see CryptEnumProvidersW
1019 BOOL WINAPI
CryptEnumProvidersA (DWORD dwIndex
, DWORD
*pdwReserved
,
1020 DWORD dwFlags
, DWORD
*pdwProvType
, LPSTR pszProvName
, DWORD
*pcbProvName
)
1024 BOOL ret
; /* = FALSE; */
1026 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex
, pdwReserved
, dwFlags
,
1027 pdwProvType
, pszProvName
, pcbProvName
);
1029 strlen
= *pcbProvName
* sizeof(WCHAR
);
1030 if ( pszProvName
&& !(str
= CRYPT_Alloc(strlen
)) )
1031 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1032 ret
= CryptEnumProvidersW(dwIndex
, pdwReserved
, dwFlags
, pdwProvType
, str
, &strlen
);
1035 CRYPT_UnicodeToANSI(str
, &pszProvName
, *pcbProvName
);
1038 *pcbProvName
= strlen
/ sizeof(WCHAR
); /* FIXME: not correct */
1042 /******************************************************************************
1043 * CryptEnumProviderTypesA (ADVAPI32i.@)
1045 * Retrieves the next type of CSP supported.
1048 * dwIndex [I] Index of the next provider to be enumerated.
1049 * pdwReserved [I] Reserved for future use and must be NULL.
1050 * dwFlags [I] Reserved for future use and must be zero.
1051 * pdwProvType [O] DWORD designating the type of the provider.
1052 * pszTypeName [O] Buffer that receives data from the provider type.
1053 * pcbTypeName [I/O] Specifies the size of pszTypeName. Contains the number
1054 * of bytes stored in the buffer on return.
1061 * If pszTypeName is NULL, CryptEnumProviderTypesA sets the size of the name
1062 * for memory allocation purposes.
1064 BOOL WINAPI
CryptEnumProviderTypesA (DWORD dwIndex
, DWORD
*pdwReserved
,
1065 DWORD dwFlags
, DWORD
*pdwProvType
, LPSTR pszTypeName
, DWORD
*pcbTypeName
)
1068 DWORD keylen
, numkeys
, dwType
;
1072 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex
, pdwReserved
,
1073 dwFlags
, pdwProvType
, pszTypeName
, pcbTypeName
);
1075 if (pdwReserved
|| !pdwProvType
|| !pcbTypeName
)
1076 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1077 if (dwFlags
) CRYPT_ReturnLastError(NTE_BAD_FLAGS
);
1079 if (RegOpenKeyA(HKEY_LOCAL_MACHINE
, "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types", &hKey
))
1082 RegQueryInfoKeyA(hKey
, NULL
, NULL
, NULL
, &numkeys
, &keylen
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
);
1083 if (dwIndex
>= numkeys
)
1084 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS
);
1086 if ( !(keyname
= CRYPT_Alloc(keylen
)) )
1087 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1088 if ( RegEnumKeyA(hKey
, dwIndex
, keyname
, keylen
) ) {
1089 CRYPT_Free(keyname
);
1092 RegOpenKeyA(hKey
, keyname
, &hSubkey
);
1093 ch
= keyname
+ strlen(keyname
);
1094 /* Convert "Type 000" to 0, etc/ */
1095 *pdwProvType
= *(--ch
) - '0';
1096 *pdwProvType
+= (*(--ch
) - '0') * 10;
1097 *pdwProvType
+= (*(--ch
) - '0') * 100;
1098 CRYPT_Free(keyname
);
1100 result
= RegQueryValueExA(hSubkey
, "TypeName", NULL
, &dwType
, pszTypeName
, pcbTypeName
);
1102 CRYPT_ReturnLastError(result
);
1104 RegCloseKey(hSubkey
);
1109 /******************************************************************************
1110 * CryptEnumProviderTypesW (ADVAPI32.@)
1112 * see CryptEnumProviderTypesA
1114 BOOL WINAPI
CryptEnumProviderTypesW (DWORD dwIndex
, DWORD
*pdwReserved
,
1115 DWORD dwFlags
, DWORD
*pdwProvType
, LPWSTR pszTypeName
, DWORD
*pcbTypeName
)
1121 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex
, pdwReserved
, dwFlags
,
1122 pdwProvType
, pszTypeName
, pcbTypeName
);
1123 strlen
= *pcbTypeName
/ sizeof(WCHAR
);
1124 if ( pszTypeName
&& !(str
= CRYPT_Alloc(strlen
)) )
1125 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1126 ret
= CryptEnumProviderTypesA(dwIndex
, pdwReserved
, dwFlags
, pdwProvType
, str
, &strlen
);
1129 CRYPT_ANSIToUnicode(str
, &pszTypeName
, *pcbTypeName
);
1132 *pcbTypeName
= strlen
* sizeof(WCHAR
);
1136 /******************************************************************************
1137 * CryptExportKey (ADVAPI32.@)
1139 * Exports a cryptographic key from a CSP.
1142 * hKey [I] Handle to the key to export.
1143 * hExpKey [I] Handle to a cryptographic key of the end user.
1144 * dwBlobType [I] Type of BLOB to be exported.
1145 * dwFlags [I] CRYPT_DESTROYKEY/SSL2_FALLBACK/OAEP.
1146 * pbData [O] Buffer to receive BLOB data.
1147 * pdwDataLen [I/O] Specifies the size of pbData.
1154 * if pbData is NULL, CryptExportKey sets pdwDataLen as the size of the
1155 * buffer needed to hold the BLOB.
1157 BOOL WINAPI
CryptExportKey (HCRYPTKEY hKey
, HCRYPTKEY hExpKey
, DWORD dwBlobType
,
1158 DWORD dwFlags
, BYTE
*pbData
, DWORD
*pdwDataLen
)
1161 PCRYPTKEY key
= (PCRYPTKEY
)hKey
, expkey
= (PCRYPTKEY
)hExpKey
;
1163 TRACE("(0x%lx, 0x%lx, %ld, %08ld, %p, %p)\n", hKey
, hExpKey
, dwBlobType
, dwFlags
, pbData
, pdwDataLen
);
1165 if (!key
|| !pdwDataLen
|| !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1166 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1168 prov
= key
->pProvider
;
1169 return prov
->pFuncs
->pCPExportKey(prov
->hPrivate
, key
->hPrivate
, expkey
? expkey
->hPrivate
: 0,
1170 dwBlobType
, dwFlags
, pbData
, pdwDataLen
);
1173 /******************************************************************************
1174 * CryptGenKey (ADVAPI32.@)
1176 * Generates a random cryptographic session key or a pub/priv key pair.
1179 * hProv [I] Handle to a CSP.
1180 * Algid [I] Algorithm to use to make key.
1181 * dwFlags [I] Specifies type of key to make.
1182 * phKey [I] Address of the handle to which the new key is copied.
1188 BOOL WINAPI
CryptGenKey (HCRYPTPROV hProv
, ALG_ID Algid
, DWORD dwFlags
, HCRYPTKEY
*phKey
)
1190 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
1193 TRACE("(0x%lx, %d, %08ld, %p)\n", hProv
, Algid
, dwFlags
, phKey
);
1196 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1197 if (!phKey
|| !prov
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
1198 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1199 if ( !(key
= CRYPT_Alloc(sizeof(CRYPTKEY
))) )
1200 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1202 key
->pProvider
= prov
;
1204 if (prov
->pFuncs
->pCPGenKey(prov
->hPrivate
, Algid
, dwFlags
, &key
->hPrivate
))
1206 *phKey
= (HCRYPTKEY
)key
;
1215 /******************************************************************************
1216 * CryptGetDefaultProviderA (ADVAPI32.@)
1218 * Finds the default CSP of a certain provider type.
1221 * dwProvType [I] Provider type to look for.
1222 * pdwReserved [I] Reserved for future use and must be NULL.
1223 * dwFlags [I] CRYPT_MACHINE_DEFAULT/USER_DEFAULT
1224 * pszProvName [O] Name of the default CSP.
1225 * pcbProvName [I/O] Size of pszProvName
1232 * If pszProvName is NULL, pcbProvName will hold the size of the buffer for
1233 * memory allocation purposes on return.
1235 BOOL WINAPI
CryptGetDefaultProviderA (DWORD dwProvType
, DWORD
*pdwReserved
,
1236 DWORD dwFlags
, LPSTR pszProvName
, DWORD
*pcbProvName
)
1242 if (pdwReserved
|| !pcbProvName
)
1243 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1244 if (dwFlags
& ~(CRYPT_USER_DEFAULT
| CRYPT_MACHINE_DEFAULT
))
1245 CRYPT_ReturnLastError(NTE_BAD_FLAGS
);
1246 if (dwProvType
> 999)
1247 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE
);
1248 if ( !(keyname
= CRYPT_GetTypeKeyName(dwProvType
, dwFlags
& CRYPT_USER_DEFAULT
)) )
1249 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1250 if (RegOpenKeyA((dwFlags
& CRYPT_USER_DEFAULT
) ? HKEY_CURRENT_USER
: HKEY_LOCAL_MACHINE
,keyname
, &hKey
))
1252 CRYPT_Free(keyname
);
1253 CRYPT_ReturnLastError(NTE_PROV_TYPE_NOT_DEF
);
1255 CRYPT_Free(keyname
);
1257 result
= RegQueryValueExA(hKey
, "Name", NULL
, NULL
, pszProvName
, pcbProvName
);
1260 if (result
!= ERROR_MORE_DATA
)
1261 SetLastError(NTE_PROV_TYPE_ENTRY_BAD
);
1263 SetLastError(result
);
1272 /******************************************************************************
1273 * CryptGetDefaultProviderW (ADVAPI32.@)
1275 * see CryptGetDefaultProviderA
1277 BOOL WINAPI
CryptGetDefaultProviderW (DWORD dwProvType
, DWORD
*pdwReserved
,
1278 DWORD dwFlags
, LPWSTR pszProvName
, DWORD
*pcbProvName
)
1284 TRACE("(%ld, %p, %08ld, %p, %p)\n", dwProvType
, pdwReserved
, dwFlags
, pszProvName
, pcbProvName
);
1286 strlen
= *pcbProvName
/ sizeof(WCHAR
);
1287 if ( pszProvName
&& !(str
= CRYPT_Alloc(strlen
)) )
1288 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1289 ret
= CryptGetDefaultProviderA(dwProvType
, pdwReserved
, dwFlags
, str
, &strlen
);
1292 CRYPT_ANSIToUnicode(str
, &pszProvName
, *pcbProvName
);
1295 *pcbProvName
= strlen
* sizeof(WCHAR
);
1299 /******************************************************************************
1300 * CryptGetHashParam (ADVAPI32.@)
1302 * Retrieves data that controls the operations of a hash object.
1305 * hHash [I] Handle of the hash object to question.
1306 * dwParam [I] Query type.
1307 * pbData [O] Buffer that receives the value data.
1308 * pdwDataLen [I/O] Size of the pbData buffer.
1309 * dwFlags [I] Reserved for future use and must be zero.
1316 * If pbData is NULL, pdwDataLen will contain the length required.
1318 BOOL WINAPI
CryptGetHashParam (HCRYPTHASH hHash
, DWORD dwParam
, BYTE
*pbData
,
1319 DWORD
*pdwDataLen
, DWORD dwFlags
)
1322 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1324 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hHash
, dwParam
, pbData
, pdwDataLen
, dwFlags
);
1326 if (!hash
|| !pdwDataLen
|| !hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1327 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1329 prov
= hash
->pProvider
;
1330 return prov
->pFuncs
->pCPGetHashParam(prov
->hPrivate
, hash
->hPrivate
, dwParam
,
1331 pbData
, pdwDataLen
, dwFlags
);
1334 /******************************************************************************
1335 * CryptGetKeyParam (ADVAPI32.@)
1337 * Retrieves data that controls the operations of a key.
1340 * hKey [I] Handle to they key in question.
1341 * dwParam [I] Specifies query type.
1342 * pbData [O] Sequence of bytes to receive data.
1343 * pdwDataLen [I/O] Size of pbData.
1344 * dwFlags [I] Reserved for future use and must be zero.
1351 * If pbData is NULL, pdwDataLen is set to the needed length of the buffer.
1353 BOOL WINAPI
CryptGetKeyParam (HCRYPTKEY hKey
, DWORD dwParam
, BYTE
*pbData
,
1354 DWORD
*pdwDataLen
, DWORD dwFlags
)
1357 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
1359 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hKey
, dwParam
, pbData
, pdwDataLen
, dwFlags
);
1361 if (!key
|| !pdwDataLen
|| !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1362 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1364 prov
= key
->pProvider
;
1365 return prov
->pFuncs
->pCPGetKeyParam(prov
->hPrivate
, key
->hPrivate
, dwParam
,
1366 pbData
, pdwDataLen
, dwFlags
);
1369 /******************************************************************************
1370 * CryptGetProvParam (ADVAPI32.@)
1372 * Retrieves parameters that control the operations of a CSP.
1375 * hProv [I] Handle of the CSP in question.
1376 * dwParam [I] Specifies query type.
1377 * pbData [O] Buffer to receive the data.
1378 * pdwDataLen [I/O] Size of pbData.
1379 * dwFlags [I] see MSDN Docs.
1386 * If pbData is NULL, pdwDataLen is set to the needed buffer length.
1388 BOOL WINAPI
CryptGetProvParam (HCRYPTPROV hProv
, DWORD dwParam
, BYTE
*pbData
,
1389 DWORD
*pdwDataLen
, DWORD dwFlags
)
1391 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
1393 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hProv
, dwParam
, pbData
, pdwDataLen
, dwFlags
);
1395 if (!prov
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
1396 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1398 return prov
->pFuncs
->pCPGetProvParam(prov
->hPrivate
, dwParam
, pbData
, pdwDataLen
, dwFlags
);
1401 /******************************************************************************
1402 * CryptGetUserKey (ADVAPI32.@)
1404 * Gets a handle of one of a user's two public/private key pairs.
1407 * hProv [I] Handle of a CSP.
1408 * dwKeySpec [I] Private key to use.
1409 * phUserKey [O] Pointer to the handle of the retrieved keys.
1415 BOOL WINAPI
CryptGetUserKey (HCRYPTPROV hProv
, DWORD dwKeySpec
, HCRYPTKEY
*phUserKey
)
1417 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
1420 TRACE("(0x%lx, %ld, %p)\n", hProv
, dwKeySpec
, phUserKey
);
1423 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1424 if (!phUserKey
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
1425 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1426 if ( !(key
= CRYPT_Alloc(sizeof(CRYPTKEY
))) )
1427 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1429 key
->pProvider
= prov
;
1431 if (prov
->pFuncs
->pCPGetUserKey(prov
->hPrivate
, dwKeySpec
, &key
->hPrivate
))
1433 *phUserKey
= (HCRYPTKEY
)key
;
1443 /******************************************************************************
1444 * CryptHashData (ADVAPI32.@)
1446 * Adds data to a hash object.
1449 * hHash [I] Handle of the hash object.
1450 * pbData [I] Buffer of data to be hashed.
1451 * dwDataLen [I] Number of bytes to add.
1452 * dwFlags [I] Can be CRYPT_USERDATA
1458 BOOL WINAPI
CryptHashData (HCRYPTHASH hHash
, BYTE
*pbData
, DWORD dwDataLen
, DWORD dwFlags
)
1460 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1463 TRACE("(0x%lx, %p, %ld, %08ld)\n", hHash
, pbData
, dwDataLen
, dwFlags
);
1466 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1467 if (!pbData
|| !dwDataLen
|| !hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1468 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1470 prov
= hash
->pProvider
;
1471 return prov
->pFuncs
->pCPHashData(prov
->hPrivate
, hash
->hPrivate
, pbData
, dwDataLen
, dwFlags
);
1474 /******************************************************************************
1475 * CryptHashSessionKey (ADVAPI32.@)
1478 * hHash [I] Handle to the hash object.
1479 * hKey [I] Handle to the key to be hashed.
1480 * dwFlags [I] Can be CRYPT_LITTLE_ENDIAN.
1486 BOOL WINAPI
CryptHashSessionKey (HCRYPTHASH hHash
, HCRYPTKEY hKey
, DWORD dwFlags
)
1488 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1489 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
1492 TRACE("(0x%lx, 0x%lx, %08ld)\n", hHash
, hKey
, dwFlags
);
1495 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1497 if (!hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1498 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1500 prov
= hash
->pProvider
;
1501 return prov
->pFuncs
->pCPHashSessionKey(prov
->hPrivate
, hash
->hPrivate
, key
->hPrivate
, dwFlags
);
1504 /******************************************************************************
1505 * CryptImportKey (ADVAPI32.@)
1508 * hProv [I] Handle of a CSP.
1509 * pbData [I] Contains the key to be imported.
1510 * dwDataLen [I] Length of the key.
1511 * hPubKey [I] Cryptographic key that decrypts pdData
1512 * dwFlags [I] Used only with a public/private key pair.
1513 * phKey [O] Imported key.
1519 BOOL WINAPI
CryptImportKey (HCRYPTPROV hProv
, BYTE
*pbData
, DWORD dwDataLen
,
1520 HCRYPTKEY hPubKey
, DWORD dwFlags
, HCRYPTKEY
*phKey
)
1522 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
1523 PCRYPTKEY pubkey
= (PCRYPTKEY
)hPubKey
, importkey
;
1525 TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld, %p)\n", hProv
, pbData
, dwDataLen
, hPubKey
, dwFlags
, phKey
);
1527 if (!prov
|| !pbData
|| !dwDataLen
|| !phKey
|| prov
->dwMagic
!= MAGIC_CRYPTPROV
)
1528 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1530 if ( !(importkey
= CRYPT_Alloc(sizeof(CRYPTKEY
))) )
1531 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1533 importkey
->pProvider
= prov
;
1534 if (prov
->pFuncs
->pCPImportKey(prov
->hPrivate
, pbData
, dwDataLen
,
1535 pubkey
? pubkey
->hPrivate
: 0, dwFlags
, &importkey
->hPrivate
))
1537 *phKey
= (HCRYPTKEY
)importkey
;
1541 CRYPT_Free(importkey
);
1545 /******************************************************************************
1546 * CryptSignHashW (ADVAPI32.@)
1551 * hHash [I] Handle of the hash object to be signed.
1552 * dwKeySpec [I] Private key to use.
1553 * sDescription [I] Should be NULL.
1554 * dwFlags [I] CRYPT_NOHASHOID/X931_FORMAT.
1555 * pbSignature [O] Buffer of the signature data.
1556 * pdwSigLen [I/O] Size of the pbSignature buffer.
1563 * Because of security flaws sDescription should not be used and should thus be
1564 * NULL. It is supported only for compatibility with Microsoft's Cryptographic
1567 BOOL WINAPI
CryptSignHashW (HCRYPTHASH hHash
, DWORD dwKeySpec
, LPCWSTR sDescription
,
1568 DWORD dwFlags
, BYTE
*pbSignature
, DWORD
*pdwSigLen
)
1570 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1573 TRACE("(0x%lx, %ld, %s, %08ld, %p, %p)\n",
1574 hHash
, dwKeySpec
, debugstr_w(sDescription
), dwFlags
, pbSignature
, pdwSigLen
);
1577 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1578 if (!pdwSigLen
|| !hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1579 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1581 prov
= hash
->pProvider
;
1582 return prov
->pFuncs
->pCPSignHash(prov
->hPrivate
, hash
->hPrivate
, dwKeySpec
, sDescription
,
1583 dwFlags
, pbSignature
, pdwSigLen
);
1586 /******************************************************************************
1587 * CryptSignHashA (ADVAPI32.@)
1589 * ASCII version of CryptSignHashW
1591 BOOL WINAPI
CryptSignHashA (HCRYPTHASH hHash
, DWORD dwKeySpec
, LPCSTR sDescription
,
1592 DWORD dwFlags
, BYTE
*pbSignature
, DWORD
*pdwSigLen
)
1594 LPWSTR wsDescription
;
1597 TRACE("(0x%lx, %ld, %s, %08ld, %p, %p)\n",
1598 hHash
, dwKeySpec
, debugstr_a(sDescription
), dwFlags
, pbSignature
, pdwSigLen
);
1600 CRYPT_ANSIToUnicode(sDescription
, &wsDescription
, -1);
1601 result
= CryptSignHashW(hHash
, dwKeySpec
, wsDescription
, dwFlags
, pbSignature
, pdwSigLen
);
1602 if (wsDescription
) CRYPT_Free(wsDescription
);
1607 /******************************************************************************
1608 * CryptSetHashParam (ADVAPI32.@)
1610 * Customizes the operations of a hash object.
1613 * hHash [I] Handle of the hash object to set parameters.
1614 * dwParam [I] HP_HMAC_INFO/HASHVAL.
1615 * pbData [I] Value data buffer.
1616 * dwFlags [I] Reserved for future use and must be zero.
1622 BOOL WINAPI
CryptSetHashParam (HCRYPTHASH hHash
, DWORD dwParam
, BYTE
*pbData
, DWORD dwFlags
)
1625 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1627 TRACE("(0x%lx, %ld, %p, %08ld)\n", hHash
, dwParam
, pbData
, dwFlags
);
1629 if (!hash
|| !pbData
|| !hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1630 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1632 prov
= hash
->pProvider
;
1633 return prov
->pFuncs
->pCPSetHashParam(prov
->hPrivate
, hash
->hPrivate
,
1634 dwParam
, pbData
, dwFlags
);
1637 /******************************************************************************
1638 * CryptSetKeyParam (ADVAPI32.@)
1640 * Customizes a session key's operations.
1643 * hKey [I] Handle to the key to set values.
1644 * dwParam [I] See MSDN Doc.
1645 * pbData [I] Buffer of values to set.
1646 * dwFlags [I] Only used when dwParam == KP_ALGID.
1652 BOOL WINAPI
CryptSetKeyParam (HCRYPTKEY hKey
, DWORD dwParam
, BYTE
*pbData
, DWORD dwFlags
)
1655 PCRYPTKEY key
= (PCRYPTKEY
)hKey
;
1657 TRACE("(0x%lx, %ld, %p, %08ld)\n", hKey
, dwParam
, pbData
, dwFlags
);
1659 if (!key
|| !pbData
|| !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1660 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1662 prov
= key
->pProvider
;
1663 return prov
->pFuncs
->pCPSetKeyParam(prov
->hPrivate
, key
->hPrivate
,
1664 dwParam
, pbData
, dwFlags
);
1667 /******************************************************************************
1668 * CryptSetProviderA (ADVAPI32.@)
1670 * Specifies the current user's default CSP.
1673 * pszProvName [I] Name of the new default CSP.
1674 * dwProvType [I] Provider type of the CSP.
1680 BOOL WINAPI
CryptSetProviderA (LPCSTR pszProvName
, DWORD dwProvType
)
1682 TRACE("(%s, %ld)\n", pszProvName
, dwProvType
);
1683 return CryptSetProviderExA(pszProvName
, dwProvType
, NULL
, CRYPT_USER_DEFAULT
);
1686 /******************************************************************************
1687 * CryptSetProviderW (ADVAPI32.@)
1689 * See CryptSetProviderA
1691 BOOL WINAPI
CryptSetProviderW (LPCWSTR pszProvName
, DWORD dwProvType
)
1693 TRACE("(%s, %ld)\n", debugstr_w(pszProvName
), dwProvType
);
1694 return CryptSetProviderExW(pszProvName
, dwProvType
, NULL
, CRYPT_USER_DEFAULT
);
1697 /******************************************************************************
1698 * CryptSetProviderExA (ADVAPI32.@)
1700 * Specifies the default CSP.
1703 * pszProvName [I] Name of the new default CSP.
1704 * dwProvType [I] Provider type of the CSP.
1705 * pdwReserved [I] Reserved for future use and must be NULL.
1706 * dwFlags [I] See MSDN Doc.
1712 BOOL WINAPI
CryptSetProviderExA (LPCSTR pszProvName
, DWORD dwProvType
, DWORD
*pdwReserved
, DWORD dwFlags
)
1714 HKEY hProvKey
, hTypeKey
;
1717 TRACE("(%s, %ld, %p, %08ld)\n", pszProvName
, dwProvType
, pdwReserved
, dwFlags
);
1719 if (!pszProvName
|| pdwReserved
)
1720 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1721 if (dwProvType
> MAXPROVTYPES
)
1722 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE
);
1723 if (dwFlags
& ~(CRYPT_MACHINE_DEFAULT
| CRYPT_USER_DEFAULT
| CRYPT_DELETE_DEFAULT
)
1724 || dwFlags
== CRYPT_DELETE_DEFAULT
)
1725 CRYPT_ReturnLastError(NTE_BAD_FLAGS
);
1727 if (!(keyname
= CRYPT_GetTypeKeyName(dwProvType
, dwFlags
& CRYPT_USER_DEFAULT
)))
1728 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1729 if (RegOpenKeyA((dwFlags
& CRYPT_USER_DEFAULT
) ? HKEY_CURRENT_USER
: HKEY_LOCAL_MACHINE
,
1730 keyname
, &hTypeKey
))
1732 CRYPT_Free(keyname
);
1733 CRYPT_ReturnLastError(NTE_BAD_PROVIDER
);
1735 CRYPT_Free(keyname
);
1737 if (dwFlags
& CRYPT_DELETE_DEFAULT
)
1739 RegDeleteValueA(hTypeKey
, "Name");
1743 if (!(keyname
= CRYPT_GetProvKeyName(pszProvName
)))
1745 RegCloseKey(hTypeKey
);
1746 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY
);
1748 if (RegOpenKeyA((dwFlags
& CRYPT_USER_DEFAULT
) ? HKEY_CURRENT_USER
: HKEY_LOCAL_MACHINE
,
1749 keyname
, &hProvKey
))
1751 CRYPT_Free(keyname
);
1752 RegCloseKey(hTypeKey
);
1753 CRYPT_ReturnLastError(NTE_BAD_PROVIDER
);
1755 CRYPT_Free(keyname
);
1757 if (RegSetValueExA(hTypeKey
, "Name", 0, REG_SZ
, pszProvName
, strlen(pszProvName
) + 1))
1759 RegCloseKey(hTypeKey
);
1760 RegCloseKey(hProvKey
);
1764 RegCloseKey(hProvKey
);
1766 RegCloseKey(hTypeKey
);
1771 /******************************************************************************
1772 * CryptSetProviderExW (ADVAPI32.@)
1774 * See CryptSetProviderExA
1776 BOOL WINAPI
CryptSetProviderExW (LPCWSTR pszProvName
, DWORD dwProvType
, DWORD
*pdwReserved
, DWORD dwFlags
)
1781 TRACE("(%s, %ld, %p, %08ld)\n", debugstr_w(pszProvName
), dwProvType
, pdwReserved
, dwFlags
);
1783 if (CRYPT_UnicodeToANSI(pszProvName
, &str
, -1))
1785 ret
= CryptSetProviderExA(str
, dwProvType
, pdwReserved
, dwFlags
);
1791 /******************************************************************************
1792 * CryptSetProvParam (ADVAPI32.@)
1794 * Customizes the operations of a CSP.
1797 * hProv [I] Handle of a CSP.
1798 * dwParam [I] See MSDN Doc.
1799 * pbData [I] Buffer that contains a value to set as a parameter.
1800 * dwFlags [I] if dwParam is PP_USE_HARDWARE_RNG, dwFlags must be zero.
1806 BOOL WINAPI
CryptSetProvParam (HCRYPTPROV hProv
, DWORD dwParam
, BYTE
*pbData
, DWORD dwFlags
)
1808 PCRYPTPROV prov
= (PCRYPTPROV
)hProv
;
1810 TRACE("(0x%lx, %ld, %p, %08ld)\n", hProv
, dwParam
, pbData
, dwFlags
);
1813 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1814 if (prov
->dwMagic
!= MAGIC_CRYPTPROV
)
1815 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1816 if (dwFlags
& PP_USE_HARDWARE_RNG
)
1818 FIXME("PP_USE_HARDWARE_RNG: What do I do with this?\n");
1819 FIXME("\tLetting the CSP decide.\n");
1821 if (dwFlags
& PP_CLIENT_HWND
)
1823 /* FIXME: Should verify the parameter */
1824 if (pbData
/* && IsWindow((HWND)pbData) */)
1826 crypt_hWindow
= (HWND
)(pbData
);
1829 SetLastError(ERROR_INVALID_PARAMETER
);
1833 /* All other flags go to the CSP */
1834 return prov
->pFuncs
->pCPSetProvParam(prov
->hPrivate
, dwParam
, pbData
, dwFlags
);
1837 /******************************************************************************
1838 * CryptVerifySignatureW (ADVAPI32.@)
1840 * Verifies the signature of a hash object.
1843 * hHash [I] Handle of the hash object to verify.
1844 * pbSignature [I] Signature data to verify.
1845 * dwSigLen [I] Size of pbSignature.
1846 * hPubKey [I] Handle to the public key to authenticate signature.
1847 * sDescription [I] Should be NULL.
1848 * dwFlags [I] See MSDN doc.
1855 * Because of security flaws sDescription should not be used and should thus be
1856 * NULL. It is supported only for compatibility with Microsoft's Cryptographic
1859 BOOL WINAPI
CryptVerifySignatureW (HCRYPTHASH hHash
, BYTE
*pbSignature
, DWORD dwSigLen
,
1860 HCRYPTKEY hPubKey
, LPCWSTR sDescription
, DWORD dwFlags
)
1862 PCRYPTHASH hash
= (PCRYPTHASH
)hHash
;
1863 PCRYPTKEY key
= (PCRYPTKEY
)hPubKey
;
1866 TRACE("(0x%lx, %p, %ld, 0x%lx, %s, %08ld)\n", hHash
, pbSignature
,
1867 dwSigLen
, hPubKey
, debugstr_w(sDescription
), dwFlags
);
1870 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE
);
1871 if (!pbSignature
|| !dwSigLen
||
1872 !hash
->pProvider
|| hash
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
||
1873 !key
->pProvider
|| key
->pProvider
->dwMagic
!= MAGIC_CRYPTPROV
)
1875 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER
);
1878 prov
= hash
->pProvider
;
1879 return prov
->pFuncs
->pCPVerifySignature(prov
->hPrivate
, hash
->hPrivate
, pbSignature
, dwSigLen
,
1880 key
->hPrivate
, sDescription
, dwFlags
);
1883 /******************************************************************************
1884 * CryptVerifySignatureA (ADVAPI32.@)
1886 * ASCII version of CryptVerifySignatureW
1888 BOOL WINAPI
CryptVerifySignatureA (HCRYPTHASH hHash
, BYTE
*pbSignature
, DWORD dwSigLen
,
1889 HCRYPTKEY hPubKey
, LPCSTR sDescription
, DWORD dwFlags
)
1891 LPWSTR wsDescription
;
1894 TRACE("(0x%lx, %p, %ld, 0x%lx, %s, %08ld)\n", hHash
, pbSignature
,
1895 dwSigLen
, hPubKey
, debugstr_a(sDescription
), dwFlags
);
1897 CRYPT_ANSIToUnicode(sDescription
, &wsDescription
, -1);
1898 result
= CryptVerifySignatureW(hHash
, pbSignature
, dwSigLen
, hPubKey
, wsDescription
, dwFlags
);
1899 if (wsDescription
) CRYPT_Free(wsDescription
);
1904 /******************************************************************************
1905 * SystemFunction036 (ADVAPI32.@)
1907 * MSDN documents this function as RtlGenRandom and declares it in ntsecapi.h
1910 * pbBufer [O] Pointer to memory to receive random bytes.
1911 * dwLen [I] Number of random bytes to fetch.
1914 BOOL WINAPI
SystemFunction036(PVOID pbBuffer
, ULONG dwLen
)
1918 /* FIXME: /dev/urandom does not provide random numbers of a sufficient
1919 * quality for cryptographic applications. /dev/random is much better,
1920 * but it blocks if the kernel has not yet collected enough entropy for
1921 * the request, which will suspend the calling thread for an indefinite
1922 * amount of time. */
1923 dev_random
= open("/dev/urandom", O_RDONLY
);
1924 if (dev_random
!= -1)
1926 if (read(dev_random
, pbBuffer
, dwLen
) == (ssize_t
)dwLen
)
1933 SetLastError(NTE_FAIL
);
1938 These functions have nearly identical prototypes to CryptProtectMemory and CryptUnprotectMemory,
1942 /******************************************************************************
1943 * SystemFunction040 (ADVAPI32.@)
1945 * MSDN documents this function as RtlEncryptMemory.
1948 * memory [I/O] Pointer to memory to encrypt.
1949 * length [I] Length of region to encrypt in bytes.
1950 * flags [I] Control whether other processes are able to decrypt the memory.
1951 * RTL_ENCRYPT_OPTION_SAME_PROCESS
1952 * RTL_ENCRYPT_OPTION_CROSS_PROCESS
1953 * RTL_ENCRYPT_OPTION_SAME_LOGON
1956 * length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
1957 * If flags are specified when encrypting, the same flag value must be given
1958 * when decrypting the memory.
1960 NTSTATUS WINAPI
SystemFunction040(PVOID memory
, ULONG length
, ULONG flags
)
1962 FIXME("(%p, %lx, %lx): stub [RtlEncryptMemory]\n", memory
, length
, flags
);
1963 return STATUS_SUCCESS
;
1966 /******************************************************************************
1967 * SystemFunction041 (ADVAPI32.@)
1969 * MSDN documents this function as RtlDecryptMemory.
1972 * memory [I/O] Pointer to memory to decrypt.
1973 * length [I] Length of region to decrypt in bytes.
1974 * flags [I] Control whether other processes are able to decrypt the memory.
1975 * RTL_ENCRYPT_OPTION_SAME_PROCESS
1976 * RTL_ENCRYPT_OPTION_CROSS_PROCESS
1977 * RTL_ENCRYPT_OPTION_SAME_LOGON
1980 * length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
1981 * If flags are specified when encrypting, the same flag value must be given
1982 * when decrypting the memory.
1984 NTSTATUS WINAPI
SystemFunction041(PVOID memory
, ULONG length
, ULONG flags
)
1986 FIXME("(%p, %lx, %lx): stub [RtlDecryptMemory]\n", memory
, length
, flags
);
1987 return STATUS_SUCCESS
;