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Fix alloc failure check in CryptEnumProvidersW.
[wine.git] / dlls / advapi32 / crypt.c
blob65bc16bf3c1fb16b2392856f7a54723b84c4ede6
1 /*
2 * Copyright 1999 Ian Schmidt
3 * Copyright 2001 Travis Michielsen
4 *
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.
9 *
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.
14 *
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
18 */
19
20 /***********************************************************************
21 *
22 * TODO:
23 * - Reference counting
24 * - Thread-safing
25 * - Signature checking
26 */
27
28 #include <time.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31
32 #include "wine/unicode.h"
33 #include "crypt.h"
34 #include "winnls.h"
35 #include "wincrypt.h"
36 #include "windef.h"
37 #include "winerror.h"
38 #include "winreg.h"
39 #include "winbase.h"
40 #include "winuser.h"
41 #include "wine/debug.h"
42 #include "winternl.h"
43 #include "ntstatus.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
46
47 HWND crypt_hWindow = 0;
48
49 #define CRYPT_ReturnLastError(err) {SetLastError(err); return FALSE;}
50
51 #define CRYPT_Alloc(size) ((LPVOID)LocalAlloc(LMEM_ZEROINIT, size))
52 #define CRYPT_Free(buffer) (LocalFree((HLOCAL)buffer))
53
54 static inline PSTR CRYPT_GetProvKeyName(PCSTR pProvName)
55 {
56 PCSTR KEYSTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider\\";
57 PSTR keyname;
58
59 keyname = CRYPT_Alloc(strlen(KEYSTR) + strlen(pProvName) +1);
60 if (keyname)
61 {
62 strcpy(keyname, KEYSTR);
63 strcpy(keyname + strlen(KEYSTR), pProvName);
64 } else
65 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
66 return keyname;
67 }
68
69 static inline PSTR CRYPT_GetTypeKeyName(DWORD dwType, BOOL user)
70 {
71 PCSTR MACHINESTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type XXX";
72 PCSTR USERSTR = "Software\\Microsoft\\Cryptography\\Provider Type XXX";
73 PSTR keyname;
74 PSTR ptr;
75
76 keyname = CRYPT_Alloc( (user ? strlen(USERSTR) : strlen(MACHINESTR)) +1);
77 if (keyname)
78 {
79 user ? strcpy(keyname, USERSTR) : strcpy(keyname, MACHINESTR);
80 ptr = keyname + strlen(keyname);
81 *(--ptr) = (dwType % 10) + '0';
82 *(--ptr) = ((dwType / 10) % 10) + '0';
83 *(--ptr) = (dwType / 100) + '0';
84 } else
85 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
86 return keyname;
87 }
88
89 /* CRYPT_UnicodeTOANSI
90 * wstr - unicode string
91 * str - pointer to ANSI string
92 * strsize - size of buffer pointed to by str or -1 if we have to do the allocation
93 *
94 * returns TRUE if unsuccessfull, FALSE otherwise.
95 * if wstr is NULL, returns TRUE and sets str to NULL! Value of str should be checked after call
96 */
97 static inline BOOL CRYPT_UnicodeToANSI(LPCWSTR wstr, LPSTR* str, int strsize)
98 {
99 int count;
100
101 if (!wstr)
102 {
103 *str = NULL;
104 return TRUE;
105 }
106 count = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
107 count = count < strsize ? count : strsize;
108 if (strsize == -1)
109 *str = CRYPT_Alloc(count * sizeof(CHAR));
110 if (*str)
111 {
112 WideCharToMultiByte(CP_ACP, 0, wstr, -1, *str, count, NULL, NULL);
113 return TRUE;
114 }
115 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
116 return FALSE;
117 }
118
119 /* CRYPT_ANSITOUnicode
120 * str - ANSI string
121 * wstr - pointer to unicode string
122 * wstrsize - size of buffer pointed to by wstr or -1 if we have to do the allocation
123 */
124 static inline BOOL CRYPT_ANSIToUnicode(LPCSTR str, LPWSTR* wstr, int wstrsize)
125 {
126 int wcount;
127
128 if (!str)
129 {
130 *wstr = NULL;
131 return TRUE;
132 }
133 wcount = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
134 wcount = wcount < wstrsize/sizeof(WCHAR) ? wcount : wstrsize/sizeof(WCHAR);
135 if (wstrsize == -1)
136 *wstr = CRYPT_Alloc(wcount * sizeof(WCHAR));
137 if (*wstr)
138 {
139 MultiByteToWideChar(CP_ACP, 0, str, -1, *wstr, wcount);
140 return TRUE;
141 }
142 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
143 return FALSE;
144 }
145
146 /* These next 2 functions are used by the VTableProvStruc structure */
147 static BOOL CALLBACK CRYPT_VerifyImage(LPCSTR lpszImage, BYTE* pData)
148 {
149 if (!lpszImage || !pData)
150 {
151 SetLastError(ERROR_INVALID_PARAMETER);
152 return FALSE;
153 }
154
155 FIXME("(%s, %p): not verifying image\n", lpszImage, pData);
156
157 return TRUE;
158 }
159
160 static BOOL CALLBACK CRYPT_ReturnhWnd(HWND *phWnd)
161 {
162 if (!phWnd)
163 return FALSE;
164 *phWnd = crypt_hWindow;
165 return TRUE;
166 }
167
168 #define CRYPT_GetProvFunc(name) \
169 if ( !(provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)) ) goto error
170 #define CRYPT_GetProvFuncOpt(name) \
171 provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)
172 PCRYPTPROV CRYPT_LoadProvider(PSTR pImage)
173 {
174 PCRYPTPROV provider;
175 DWORD errorcode = ERROR_NOT_ENOUGH_MEMORY;
176
177 if ( !(provider = CRYPT_Alloc(sizeof(CRYPTPROV))) ) goto error;
178 if ( !(provider->pFuncs = CRYPT_Alloc(sizeof(PROVFUNCS))) ) goto error;
179 if ( !(provider->pVTable = CRYPT_Alloc(sizeof(VTableProvStruc))) ) goto error;
180 if ( !(provider->hModule = LoadLibraryA(pImage)) )
181 {
182 errorcode = (GetLastError() == ERROR_FILE_NOT_FOUND) ? NTE_PROV_DLL_NOT_FOUND : NTE_PROVIDER_DLL_FAIL;
183 FIXME("Failed to load dll %s\n", debugstr_a(pImage));
184 goto error;
185 }
186 provider->refcount = 1;
187
188 errorcode = NTE_PROVIDER_DLL_FAIL;
189 CRYPT_GetProvFunc(CPAcquireContext);
190 CRYPT_GetProvFunc(CPCreateHash);
191 CRYPT_GetProvFunc(CPDecrypt);
192 CRYPT_GetProvFunc(CPDeriveKey);
193 CRYPT_GetProvFunc(CPDestroyHash);
194 CRYPT_GetProvFunc(CPDestroyKey);
195 CRYPT_GetProvFuncOpt(CPDuplicateHash);
196 CRYPT_GetProvFuncOpt(CPDuplicateKey);
197 CRYPT_GetProvFunc(CPEncrypt);
198 CRYPT_GetProvFunc(CPExportKey);
199 CRYPT_GetProvFunc(CPGenKey);
200 CRYPT_GetProvFunc(CPGenRandom);
201 CRYPT_GetProvFunc(CPGetHashParam);
202 CRYPT_GetProvFunc(CPGetKeyParam);
203 CRYPT_GetProvFunc(CPGetProvParam);
204 CRYPT_GetProvFunc(CPGetUserKey);
205 CRYPT_GetProvFunc(CPHashData);
206 CRYPT_GetProvFunc(CPHashSessionKey);
207 CRYPT_GetProvFunc(CPImportKey);
208 CRYPT_GetProvFunc(CPReleaseContext);
209 CRYPT_GetProvFunc(CPSetHashParam);
210 CRYPT_GetProvFunc(CPSetKeyParam);
211 CRYPT_GetProvFunc(CPSetProvParam);
212 CRYPT_GetProvFunc(CPSignHash);
213 CRYPT_GetProvFunc(CPVerifySignature);
214
215 /* FIXME: Not sure what the pbContextInfo field is for.
216 * Does it need memory allocation?
217 */
218 provider->pVTable->Version = 3;
219 provider->pVTable->pFuncVerifyImage = (FARPROC)CRYPT_VerifyImage;
220 provider->pVTable->pFuncReturnhWnd = (FARPROC)CRYPT_ReturnhWnd;
221 provider->pVTable->dwProvType = 0;
222 provider->pVTable->pbContextInfo = NULL;
223 provider->pVTable->cbContextInfo = 0;
224 provider->pVTable->pszProvName = NULL;
225 return provider;
226
227 error:
228 SetLastError(errorcode);
229 if (provider)
230 {
231 if (provider->hModule)
232 FreeLibrary(provider->hModule);
233 CRYPT_Free(provider->pVTable);
234 CRYPT_Free(provider->pFuncs);
235 CRYPT_Free(provider);
236 }
237 return NULL;
238 }
239 #undef CRYPT_GetProvFunc
240 #undef CRYPT_GetProvFuncOpt
241
242
243 /******************************************************************************
244 * CryptAcquireContextA (ADVAPI32.@)
245 * Acquire a crypto provider context handle.
246 *
247 * PARAMS
248 * phProv: Pointer to HCRYPTPROV for the output.
249 * pszContainer: Key Container Name
250 * pszProvider: Cryptographic Service Provider Name
251 * dwProvType: Crypto provider type to get a handle.
252 * dwFlags: flags for the operation
253 *
254 * RETURNS TRUE on success, FALSE on failure.
255 */
256 BOOL WINAPI CryptAcquireContextA (HCRYPTPROV *phProv, LPCSTR pszContainer,
257 LPCSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
258 {
259 PCRYPTPROV pProv = NULL;
260 HKEY key;
261 PSTR imagepath = NULL, keyname = NULL, provname = NULL, temp = NULL;
262 BYTE* signature;
263 DWORD keytype, type, len;
264 ULONG r;
265
266 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, pszContainer,
267 pszProvider, dwProvType, dwFlags);
268
269 if (dwProvType < 1 || dwProvType > MAXPROVTYPES)
270 {
271 SetLastError(NTE_BAD_PROV_TYPE);
272 return FALSE;
273 }
274
275 if (!phProv)
276 {
277 SetLastError(ERROR_INVALID_PARAMETER);
278 return FALSE;
279 }
280
281 if (!pszProvider || !*pszProvider)
282 {
283 /* No CSP name specified so try the user default CSP first
284 * then try the machine default CSP
285 */
286 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, TRUE)) ) {
287 TRACE("No provider registered for crypto provider type %ld.\n", dwProvType);
288 SetLastError(NTE_PROV_TYPE_NOT_DEF);
289 return FALSE;
290 }
291 if (RegOpenKeyA(HKEY_CURRENT_USER, keyname, &key))
292 {
293 CRYPT_Free(keyname);
294 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, FALSE)) ) {
295 TRACE("No type registered for crypto provider type %ld.\n", dwProvType);
296 RegCloseKey(key);
297 SetLastError(NTE_PROV_TYPE_NOT_DEF);
298 goto error;
299 }
300 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key)) {
301 TRACE("Did not find registry entry of crypto provider for %s.\n", debugstr_a(keyname));
302 CRYPT_Free(keyname);
303 RegCloseKey(key);
304 SetLastError(NTE_PROV_TYPE_NOT_DEF);
305 goto error;
306 }
307 }
308 CRYPT_Free(keyname);
309 r = RegQueryValueExA(key, "Name", NULL, &keytype, NULL, &len);
310 if( r != ERROR_SUCCESS || !len || keytype != REG_SZ)
311 {
312 TRACE("error %ld reading size of 'Name' from registry\n", r );
313 RegCloseKey(key);
314 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
315 goto error;
316 }
317 if(!(provname = CRYPT_Alloc(len)))
318 {
319 RegCloseKey(key);
320 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
321 goto error;
322 }
323 r = RegQueryValueExA(key, "Name", NULL, NULL, provname, &len);
324 if( r != ERROR_SUCCESS )
325 {
326 TRACE("error %ld reading 'Name' from registry\n", r );
327 RegCloseKey(key);
328 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
329 goto error;
330 }
331 RegCloseKey(key);
332 } else {
333 if ( !(provname = CRYPT_Alloc(strlen(pszProvider) +1)) )
334 {
335 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
336 goto error;
337 }
338 strcpy(provname, pszProvider);
339 }
340
341 keyname = CRYPT_GetProvKeyName(provname);
342 r = RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key);
343 CRYPT_Free(keyname);
344 if (r != ERROR_SUCCESS)
345 {
346 SetLastError(NTE_KEYSET_NOT_DEF);
347 goto error;
348 }
349 len = sizeof(DWORD);
350 r = RegQueryValueExA(key, "Type", NULL, NULL, (BYTE*)&type, &len);
351 if (r != ERROR_SUCCESS)
352 {
353 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
354 goto error;
355 }
356 if (type != dwProvType)
357 {
358 TRACE("Crypto provider has wrong type (%ld vs expected %ld).\n", type, dwProvType);
359 SetLastError(NTE_PROV_TYPE_NO_MATCH);
360 goto error;
361 }
362
363 r = RegQueryValueExA(key, "Image Path", NULL, &keytype, NULL, &len);
364 if ( r != ERROR_SUCCESS || keytype != REG_SZ)
365 {
366 TRACE("error %ld reading size of 'Image Path' from registry\n", r );
367 RegCloseKey(key);
368 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
369 goto error;
370 }
371 if (!(temp = CRYPT_Alloc(len)))
372 {
373 RegCloseKey(key);
374 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
375 goto error;
376 }
377 r = RegQueryValueExA(key, "Image Path", NULL, NULL, temp, &len);
378 if( r != ERROR_SUCCESS )
379 {
380 TRACE("error %ld reading 'Image Path' from registry\n", r );
381 RegCloseKey(key);
382 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
383 goto error;
384 }
385
386 r = RegQueryValueExA(key, "Signature", NULL, &keytype, NULL, &len);
387 if ( r == ERROR_SUCCESS && keytype == REG_BINARY )
388 {
389 if (!(signature = CRYPT_Alloc(len)))
390 {
391 RegCloseKey(key);
392 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
393 goto error;
394 }
395 r = RegQueryValueExA(key, "Signature", NULL, NULL, signature, &len);
396 if ( r != ERROR_SUCCESS )
397 {
398 TRACE("error %ld reading 'Signature'\n", r );
399 RegCloseKey(key);
400 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
401 goto error;
402 }
403 }
404 else
405 {
406 r = RegQueryValueExA(key, "SigInFile", NULL, &keytype, NULL, &len);
407 if (r != ERROR_SUCCESS)
408 {
409 TRACE("error %ld reading size of 'SigInFile'\n", r );
410 RegCloseKey(key);
411 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
412 goto error;
413 }
414 else
415 {
416 /* FIXME: The presence of the SigInFile value indicates the
417 * provider's signature is in its resources, so need to read it.
418 * But since CRYPT_VerifyImage is stubbed, provide any old thing
419 * for now.
420 */
421 if (!(signature = CRYPT_Alloc(1)))
422 {
423 RegCloseKey(key);
424 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
425 goto error;
426 }
427 }
428 }
429 RegCloseKey(key);
430 len = ExpandEnvironmentStringsA(temp, NULL, 0);
431 if ( !(imagepath = CRYPT_Alloc(len)) )
432 {
433 CRYPT_Free(signature);
434 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
435 goto error;
436 }
437 if (!ExpandEnvironmentStringsA(temp, imagepath, len))
438 {
439 CRYPT_Free(signature);
440 /* ExpandEnvironmentStrings will call SetLastError */
441 goto error;
442 }
443
444 if (!CRYPT_VerifyImage(imagepath, signature))
445 {
446 CRYPT_Free(signature);
447 SetLastError(NTE_SIGNATURE_FILE_BAD);
448 goto error;
449 }
450 pProv = CRYPT_LoadProvider(imagepath);
451 CRYPT_Free(signature);
452 if (!pProv) {
453 /* CRYPT_LoadProvider calls SetLastError */
454 goto error;
455 }
456 pProv->pVTable->dwProvType = dwProvType;
457 pProv->pVTable->pszProvName = provname;
458 if (pProv->pFuncs->pCPAcquireContext(&pProv->hPrivate, (CHAR*)pszContainer, dwFlags, pProv->pVTable))
459 {
460 /* MSDN: When this flag is set, the value returned in phProv is undefined,
461 * and thus, the CryptReleaseContext function need not be called afterwards.
462 * Therefore, we must clean up everything now.
463 */
464 if (dwFlags & CRYPT_DELETEKEYSET)
465 {
466 FreeLibrary(pProv->hModule);
467 CRYPT_Free(provname);
468 CRYPT_Free(pProv->pFuncs);
469 CRYPT_Free(pProv);
470 } else {
471 *phProv = (HCRYPTPROV)pProv;
472 }
473 CRYPT_Free(temp);
474 CRYPT_Free(imagepath);
475 return TRUE;
476 }
477 /* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
478 error:
479 if (pProv)
480 {
481 FreeLibrary(pProv->hModule);
482 CRYPT_Free(pProv->pVTable);
483 CRYPT_Free(pProv->pFuncs);
484 CRYPT_Free(pProv);
485 }
486 CRYPT_Free(provname);
487 CRYPT_Free(temp);
488 CRYPT_Free(imagepath);
489 return FALSE;
490 }
491
492 /******************************************************************************
493 * CryptAcquireContextW (ADVAPI32.@)
494 *
495 * see CryptAcquireContextA
496 */
497 BOOL WINAPI CryptAcquireContextW (HCRYPTPROV *phProv, LPCWSTR pszContainer,
498 LPCWSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
499 {
500 PSTR pProvider = NULL, pContainer = NULL;
501 BOOL ret = FALSE;
502
503 TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, debugstr_w(pszContainer),
504 debugstr_w(pszProvider), dwProvType, dwFlags);
505
506 if ( !CRYPT_UnicodeToANSI(pszContainer, &pContainer, -1) )
507 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
508 if ( !CRYPT_UnicodeToANSI(pszProvider, &pProvider, -1) )
509 {
510 CRYPT_Free(pContainer);
511 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
512 }
513
514 ret = CryptAcquireContextA(phProv, pContainer, pProvider, dwProvType, dwFlags);
515
516 if (pContainer)
517 CRYPT_Free(pContainer);
518 if (pProvider)
519 CRYPT_Free(pProvider);
520
521 return ret;
522 }
523
524 /******************************************************************************
525 * CryptContextAddRef (ADVAPI32.@)
526 *
527 * Increases reference count of a cryptographic service provider handle
528 * by one.
529 *
530 * PARAMS
531 * hProv [I] Handle to the CSP whose reference is being incremented.
532 * pdwReserved [IN] Reserved for future use and must be NULL.
533 * dwFlags [I] Reserved for future use and must be NULL.
534 *
535 * RETURNS
536 * Success: TRUE
537 * Failure: FALSE
538 */
539 BOOL WINAPI CryptContextAddRef (HCRYPTPROV hProv, DWORD *pdwReserved, DWORD dwFlags)
540 {
541 PCRYPTPROV pProv = (PCRYPTPROV)hProv;
542
543 TRACE("(0x%lx, %p, %08lx)\n", hProv, pdwReserved, dwFlags);
544
545 if (!pProv)
546 {
547 SetLastError(NTE_BAD_UID);
548 return FALSE;
549 }
550
551 pProv->refcount++;
552 return TRUE;
553 }
554
555 /******************************************************************************
556 * CryptReleaseContext (ADVAPI32.@)
557 *
558 * Releases the handle of a CSP. Reference count is decreased.
559 *
560 * PARAMS
561 * hProv [I] Handle of a CSP.
562 * dwFlags [I] Reserved for future use and must be NULL.
563 *
564 * RETURNS
565 * Success: TRUE
566 * Failure: FALSE
567 */
568 BOOL WINAPI CryptReleaseContext (HCRYPTPROV hProv, DWORD dwFlags)
569 {
570 PCRYPTPROV pProv = (PCRYPTPROV)hProv;
571 BOOL ret = TRUE;
572
573 TRACE("(0x%lx, %08ld)\n", hProv, dwFlags);
574
575 if (!pProv)
576 {
577 SetLastError(NTE_BAD_UID);
578 return FALSE;
579 }
580
581 pProv->refcount--;
582 if (pProv->refcount <= 0)
583 {
584 ret = pProv->pFuncs->pCPReleaseContext(pProv->hPrivate, dwFlags);
585 FreeLibrary(pProv->hModule);
586 #if 0
587 CRYPT_Free(pProv->pVTable->pContextInfo);
588 #endif
589 CRYPT_Free(pProv->pVTable->pszProvName);
590 CRYPT_Free(pProv->pVTable);
591 CRYPT_Free(pProv->pFuncs);
592 CRYPT_Free(pProv);
593 }
594 return ret;
595 }
596
597 /******************************************************************************
598 * CryptGenRandom (ADVAPI32.@)
599 *
600 * Fills a buffer with cryptographically random bytes.
601 *
602 * PARAMS
603 * hProv [I] Handle of a CSP.
604 * dwLen [I] Number of bytes to generate.
605 * pbBuffer [I/O] Buffer to contain random bytes.
606 *
607 * RETURNS
608 * Success: TRUE
609 * Failure: FALSE
610 *
611 * NOTES
612 * pdBuffer must be at least dwLen bytes long.
613 */
614 BOOL WINAPI CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
615 {
616 PCRYPTPROV prov = (PCRYPTPROV)hProv;
617
618 TRACE("(0x%lx, %ld, %p)\n", hProv, dwLen, pbBuffer);
619
620 if (!hProv)
621 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
622
623 return prov->pFuncs->pCPGenRandom(prov->hPrivate, dwLen, pbBuffer);
624 }
625
626 /******************************************************************************
627 * CryptCreateHash (ADVAPI32.@)
628 *
629 * Initiates the hashing of a stream of data.
630 *
631 * PARAMS
632 * hProv [I] Handle of a CSP.
633 * Algid [I] Identifies the hash algorithm to use.
634 * hKey [I] Key for the hash (if required).
635 * dwFlags [I] Reserved for future use and must be NULL.
636 * phHash [O] Address of the future handle to the new hash object.
637 *
638 * RETURNS
639 * Success: TRUE
640 * Failure: FALSE
641 *
642 * NOTES
643 * If the algorithm is a keyed hash, hKey is the key.
644 */
645 BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
646 DWORD dwFlags, HCRYPTHASH *phHash)
647 {
648 PCRYPTPROV prov = (PCRYPTPROV)hProv;
649 PCRYPTKEY key = (PCRYPTKEY)hKey;
650 PCRYPTHASH hash;
651
652 TRACE("(0x%lx, 0x%x, 0x%lx, %08lx, %p)\n", hProv, Algid, hKey, dwFlags, phHash);
653
654 if (!prov)
655 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
656 if (!phHash)
657 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
658 if (dwFlags)
659 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
660 if ( !(hash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
661 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
662
663 hash->pProvider = prov;
664
665 if (prov->pFuncs->pCPCreateHash(prov->hPrivate, Algid,
666 key ? key->hPrivate : 0, 0, &hash->hPrivate))
667 {
668 *phHash = (HCRYPTHASH)hash;
669 return TRUE;
670 }
671
672 /* CSP error! */
673 CRYPT_Free(hash);
674 return FALSE;
675 }
676
677 /******************************************************************************
678 * CryptDecrypt (ADVAPI32.@)
679 *
680 * Decrypts data encrypted by CryptEncrypt.
681 *
682 * PARAMS
683 * hKey [I] Handle to the decryption key.
684 * hHash [I] Handle to a hash object.
685 * Final [I] TRUE if this is the last section to be decrypted.
686 * dwFlags [I] Reserved for future use. Can be CRYPT_OAEP.
687 * pbData [I/O] Buffer that holds the encrypted data. Holds decrypted
688 * data on return
689 * pdwDataLen [I/O] Length of pbData before and after the call.
690 *
691 * RETURNS
692 * Success: TRUE
693 * Failure: FALSE
694 */
695 BOOL WINAPI CryptDecrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
696 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
697 {
698 PCRYPTPROV prov;
699 PCRYPTKEY key = (PCRYPTKEY)hKey;
700 PCRYPTHASH hash = (PCRYPTHASH)hHash;
701
702 TRACE("(0x%lx, 0x%lx, %d, %08lx, %p, %p)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
703
704 if (!key || !pbData || !pdwDataLen)
705 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
706
707 prov = key->pProvider;
708 return prov->pFuncs->pCPDecrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
709 Final, dwFlags, pbData, pdwDataLen);
710 }
711
712 /******************************************************************************
713 * CryptDeriveKey (ADVAPI32.@)
714 *
715 * Generates session keys derived from a base data value.
716 *
717 * PARAMS
718 * hProv [I] Handle to a CSP.
719 * Algid [I] Identifies the symmetric encryption algorithm to use.
720 * hBaseData [I] Handle to a hash object.
721 * dwFlags [I] Type of key to generate.
722 * phKey [I/O] Address of the newly generated key.
723 *
724 * RETURNS
725 * Success: TRUE
726 * Failure: FALSE
727 */
728 BOOL WINAPI CryptDeriveKey (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
729 DWORD dwFlags, HCRYPTKEY *phKey)
730 {
731 PCRYPTPROV prov = (PCRYPTPROV)hProv;
732 PCRYPTHASH hash = (PCRYPTHASH)hBaseData;
733 PCRYPTKEY key;
734
735 TRACE("(0x%lx, 0x%08x, 0x%lx, 0x%08lx, %p)\n", hProv, Algid, hBaseData, dwFlags, phKey);
736
737 if (!prov || !hash)
738 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
739 if (!phKey)
740 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
741 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
742 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
743
744 key->pProvider = prov;
745 if (prov->pFuncs->pCPDeriveKey(prov->hPrivate, Algid, hash->hPrivate, dwFlags, &key->hPrivate))
746 {
747 *phKey = (HCRYPTKEY)key;
748 return TRUE;
749 }
750
751 /* CSP error! */
752 CRYPT_Free(key);
753 return FALSE;
754 }
755
756 /******************************************************************************
757 * CryptDestroyHash (ADVAPI32.@)
758 *
759 * Destroys the hash object referenced by hHash.
760 *
761 * PARAMS
762 * hHash [I] Handle of the hash object to be destroyed.
763 *
764 * RETURNS
765 * Success: TRUE
766 * Failure: FALSE
767 */
768 BOOL WINAPI CryptDestroyHash (HCRYPTHASH hHash)
769 {
770 PCRYPTHASH hash = (PCRYPTHASH)hHash;
771 PCRYPTPROV prov;
772 BOOL ret;
773
774 TRACE("(0x%lx)\n", hHash);
775
776 if (!hash)
777 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
778
779 prov = hash->pProvider;
780 ret = prov->pFuncs->pCPDestroyHash(prov->hPrivate, hash->hPrivate);
781 CRYPT_Free(hash);
782 return ret;
783 }
784
785 /******************************************************************************
786 * CryptDestroyKey (ADVAPI32.@)
787 *
788 * Releases the handle referenced by hKey.
789 *
790 * PARAMS
791 * hKey [I] Handle of the key to be destroyed.
792 *
793 * RETURNS
794 * Success: TRUE
795 * Failure: FALSE
796 */
797 BOOL WINAPI CryptDestroyKey (HCRYPTKEY hKey)
798 {
799 PCRYPTKEY key = (PCRYPTKEY)hKey;
800 PCRYPTPROV prov;
801 BOOL ret;
802
803 TRACE("(0x%lx)\n", hKey);
804
805 if (!key)
806 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
807
808 prov = key->pProvider;
809 ret = prov->pFuncs->pCPDestroyKey(prov->hPrivate, key->hPrivate);
810 CRYPT_Free(key);
811 return ret;
812 }
813
814 /******************************************************************************
815 * CryptDuplicateHash (ADVAPI32.@)
816 *
817 * Duplicates a hash.
818 *
819 * PARAMS
820 * hHash [I] Handle to the hash to be copied.
821 * pdwReserved [I] Reserved for future use and must be zero.
822 * dwFlags [I] Reserved for future use and must be zero.
823 * phHash [O] Address of the handle to receive the copy.
824 *
825 * RETURNS
826 * Success: TRUE
827 * Failure: FALSE
828 */
829 BOOL WINAPI CryptDuplicateHash (HCRYPTHASH hHash, DWORD *pdwReserved,
830 DWORD dwFlags, HCRYPTHASH *phHash)
831 {
832 PCRYPTPROV prov;
833 PCRYPTHASH orghash, newhash;
834
835 TRACE("(0x%lx, %p, %08ld, %p)\n", hHash, pdwReserved, dwFlags, phHash);
836
837 orghash = (PCRYPTHASH)hHash;
838 if (!orghash || pdwReserved || !phHash)
839 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
840
841 prov = orghash->pProvider;
842 if (!prov->pFuncs->pCPDuplicateHash)
843 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
844
845 if ( !(newhash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
846 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
847
848 newhash->pProvider = prov;
849 if (prov->pFuncs->pCPDuplicateHash(prov->hPrivate, orghash->hPrivate, pdwReserved, dwFlags, &newhash->hPrivate))
850 {
851 *phHash = (HCRYPTHASH)newhash;
852 return TRUE;
853 }
854 CRYPT_Free(newhash);
855 return FALSE;
856 }
857
858 /******************************************************************************
859 * CryptDuplicateKey (ADVAPI32.@)
860 *
861 * Duplicate a key and the key's state.
862 *
863 * PARAMS
864 * hKey [I] Handle of the key to copy.
865 * pdwReserved [I] Reserved for future use and must be NULL.
866 * dwFlags [I] Reserved for future use and must be zero.
867 * phKey [I] Address of the handle to the duplicated key.
868 *
869 * RETURNS
870 * Success: TRUE
871 * Failure: FALSE
872 */
873 BOOL WINAPI CryptDuplicateKey (HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
874 {
875 PCRYPTPROV prov;
876 PCRYPTKEY orgkey, newkey;
877
878 TRACE("(0x%lx, %p, %08ld, %p)\n", hKey, pdwReserved, dwFlags, phKey);
879
880 orgkey = (PCRYPTKEY)hKey;
881 if (!orgkey || pdwReserved || !phKey)
882 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
883
884 prov = orgkey->pProvider;
885 if (!prov->pFuncs->pCPDuplicateKey)
886 CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
887
888 if ( !(newkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
889 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
890
891 newkey->pProvider = prov;
892 if (prov->pFuncs->pCPDuplicateKey(prov->hPrivate, orgkey->hPrivate, pdwReserved, dwFlags, &newkey->hPrivate))
893 {
894 *phKey = (HCRYPTKEY)newkey;
895 return TRUE;
896 }
897 CRYPT_Free(newkey);
898 return FALSE;
899 }
900
901 /******************************************************************************
902 * CryptEncrypt (ADVAPI32.@)
903 *
904 * Encrypts data.
905 *
906 * PARAMS
907 * hKey [I] Handle to the enryption key.
908 * hHash [I] Handle to a hash object.
909 * Final [I] TRUE if this is the last section to encrypt.
910 * dwFlags [I] Can be CRYPT_OAEP.
911 * pbData [I/O] Data to be encrypted. Contains encrypted data after call.
912 * pdwDataLen [I/O] Length of the data to encrypt. Contains the length of the
913 * encrypted data after call.
914 * dwBufLen [I] Length of the input pbData buffer.
915 *
916 * RETURNS
917 * Success: TRUE
918 * Failure: FALSE
919 *
920 * NOTES
921 * If pbData is NULL, CryptEncrypt determines stores the number of bytes
922 * required for the returned data in pdwDataLen.
923 */
924 BOOL WINAPI CryptEncrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
925 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
926 {
927 PCRYPTPROV prov;
928 PCRYPTKEY key = (PCRYPTKEY)hKey;
929 PCRYPTHASH hash = (PCRYPTHASH)hHash;
930
931 TRACE("(0x%lx, 0x%lx, %d, %08ld, %p, %p, %ld)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen, dwBufLen);
932
933 if (!key || !pdwDataLen)
934 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
935
936 prov = key->pProvider;
937 return prov->pFuncs->pCPEncrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
938 Final, dwFlags, pbData, pdwDataLen, dwBufLen);
939 }
940
941 /******************************************************************************
942 * CryptEnumProvidersA (ADVAPI32.@)
943 *
944 * Returns the next availabe CPS.
945 *
946 * PARAMS
947 * dwIndex [I] Index of the next provider to be enumerated.
948 * pdwReserved [I] Reserved for future use and must be NULL.
949 * dwFlags [I] Reserved for future use and must be zero.
950 * pdwProvType [O] DWORD designating the type of the provider.
951 * pszProvName [O] Buffer that receives data from the provider.
952 * pcbProvName [I/O] Specifies the size of pszProvName. Contains the number
953 * of bytes stored in the buffer no return.
954 *
955 * RETURNS
956 * Success: TRUE
957 * Failure: FALSE
958 *
959 * NOTES
960 * If pszProvName is NULL, CryptEnumProvidersA sets the size of the name
961 * for memory allocation purposes.
962 */
963 BOOL WINAPI CryptEnumProvidersA (DWORD dwIndex, DWORD *pdwReserved,
964 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszProvName, DWORD *pcbProvName)
965 {
966 HKEY hKey;
967
968 TRACE("(%ld, %p, %ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
969 pdwProvType, pszProvName, pcbProvName);
970
971 if (pdwReserved || !pcbProvName) CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
972 if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
973
974 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider", &hKey))
975 CRYPT_ReturnLastError(NTE_FAIL);
976
977 if (!pszProvName)
978 {
979 DWORD numkeys;
980 RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, pcbProvName, NULL, NULL, NULL, NULL, NULL, NULL);
981 (*pcbProvName)++;
982 if (dwIndex >= numkeys)
983 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
984 } else {
985 DWORD size = sizeof(DWORD);
986 HKEY subkey;
987 if (RegEnumKeyA(hKey, dwIndex, pszProvName, *pcbProvName))
988 return FALSE;
989 if (RegOpenKeyA(hKey, pszProvName, &subkey))
990 return FALSE;
991 if (RegQueryValueExA(subkey, "Type", NULL, NULL, (BYTE*)pdwProvType, &size))
992 return FALSE;
993 RegCloseKey(subkey);
994 }
995 RegCloseKey(hKey);
996 return TRUE;
997 }
998
999 /******************************************************************************
1000 * CryptEnumProvidersW (ADVAPI32.@)
1001 *
1002 * see CryptEnumProvidersA
1003 */
1004 BOOL WINAPI CryptEnumProvidersW (DWORD dwIndex, DWORD *pdwReserved,
1005 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszProvName, DWORD *pcbProvName)
1006 {
1007 PSTR str = NULL;
1008 DWORD strlen;
1009 BOOL ret; /* = FALSE; */
1010
1011 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
1012 pdwProvType, pszProvName, pcbProvName);
1013
1014 strlen = *pcbProvName / sizeof(WCHAR);
1015 if ( pszProvName && !(str = CRYPT_Alloc(strlen)) )
1016 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1017 ret = CryptEnumProvidersA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
1018 if (str)
1019 {
1020 CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
1021 CRYPT_Free(str);
1022 }
1023 *pcbProvName = strlen * sizeof(WCHAR);
1024 return ret;
1025 }
1026
1027 /******************************************************************************
1028 * CryptEnumProviderTypesA (ADVAPI32i.@)
1029 *
1030 * Retrieves the next type of CSP supported.
1031 *
1032 * PARAMS
1033 * dwIndex [I] Index of the next provider to be enumerated.
1034 * pdwReserved [I] Reserved for future use and must be NULL.
1035 * dwFlags [I] Reserved for future use and must be zero.
1036 * pdwProvType [O] DWORD designating the type of the provider.
1037 * pszTypeName [O] Buffer that receives data from the provider type.
1038 * pcbTypeName [I/O] Specifies the size of pszTypeName. Contains the number
1039 * of bytes stored in the buffer no return.
1040 *
1041 * RETURNS
1042 * Success: TRUE
1043 * Failure: FALSE
1044 *
1045 * NOTES
1046 * If pszTypeName is NULL, CryptEnumProviderTypesA sets the size of the name
1047 * for memory allocation purposes.
1048 */
1049 BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
1050 DWORD dwFlags, DWORD *pdwProvType, LPSTR pszTypeName, DWORD *pcbTypeName)
1051 {
1052 HKEY hKey, hSubkey;
1053 DWORD keylen, numkeys, dwType;
1054 PSTR keyname, ch;
1055
1056 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved,
1057 dwFlags, pdwProvType, pszTypeName, pcbTypeName);
1058
1059 if (pdwReserved || !pdwProvType || !pcbTypeName)
1060 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1061 if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
1062
1063 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types", &hKey))
1064 return FALSE;
1065
1066 RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, &keylen, NULL, NULL, NULL, NULL, NULL, NULL);
1067 if (dwIndex >= numkeys)
1068 CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
1069 keylen++;
1070 if ( !(keyname = CRYPT_Alloc(keylen)) )
1071 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1072 if ( RegEnumKeyA(hKey, dwIndex, keyname, keylen) ) {
1073 CRYPT_Free(keyname);
1074 return FALSE;
1075 }
1076 RegOpenKeyA(hKey, keyname, &hSubkey);
1077 ch = keyname + strlen(keyname);
1078 /* Convert "Type 000" to 0, etc/ */
1079 *pdwProvType = *(--ch) - '0';
1080 *pdwProvType += (*(--ch) - '0') * 10;
1081 *pdwProvType += (*(--ch) - '0') * 100;
1082 CRYPT_Free(keyname);
1083 RegQueryValueExA(hSubkey, "TypeName", NULL, &dwType, pszTypeName, pcbTypeName);
1084 RegCloseKey(hSubkey);
1085 RegCloseKey(hKey);
1086 return TRUE;
1087 }
1088
1089 /******************************************************************************
1090 * CryptEnumProviderTypesW (ADVAPI32.@)
1091 *
1092 * see CryptEnumProviderTypesA
1093 */
1094 BOOL WINAPI CryptEnumProviderTypesW (DWORD dwIndex, DWORD *pdwReserved,
1095 DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszTypeName, DWORD *pcbTypeName)
1096 {
1097 PSTR str = NULL;
1098 DWORD strlen;
1099 BOOL ret;
1100
1101 TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
1102 pdwProvType, pszTypeName, pcbTypeName);
1103 strlen = *pcbTypeName / sizeof(WCHAR);
1104 if ( pszTypeName && (str = CRYPT_Alloc(strlen)) )
1105 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1106 ret = CryptEnumProviderTypesA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
1107 if (str)
1108 {
1109 CRYPT_ANSIToUnicode(str, &pszTypeName, *pcbTypeName);
1110 CRYPT_Free(str);
1111 }
1112 *pcbTypeName = strlen * sizeof(WCHAR);
1113 return ret;
1114 }
1115
1116 /******************************************************************************
1117 * CryptExportKey (ADVAPI32.@)
1118 *
1119 * Exports a cryptographic key from a CSP.
1120 *
1121 * PARAMS
1122 * hKey [I] Handle to the key to export.
1123 * hExpKey [I] Handle to a cryptographic key of the end user.
1124 * dwBlobType [I] Type of BLOB to be exported.
1125 * dwFlags [I] CRYPT_DESTROYKEY/SSL2_FALLBACK/OAEP.
1126 * pbData [O] Buffer to receive BLOB data.
1127 * pdwDataLen [I/O] Specifies the size of pbData.
1128 *
1129 * RETURNS
1130 * Success: TRUE
1131 * Failure: FALSE
1132 *
1133 * NOTES
1134 * if pbData is NULL, CryptExportKey sets pdwDataLen as the size of the
1135 * buffer needed to hold the BLOB.
1136 */
1137 BOOL WINAPI CryptExportKey (HCRYPTKEY hKey, HCRYPTKEY hExpKey, DWORD dwBlobType,
1138 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
1139 {
1140 PCRYPTPROV prov;
1141 PCRYPTKEY key = (PCRYPTKEY)hKey, expkey = (PCRYPTKEY)hExpKey;
1142
1143 TRACE("(0x%lx, 0x%lx, %ld, %08ld, %p, %p)\n", hKey, hExpKey, dwBlobType, dwFlags, pbData, pdwDataLen);
1144
1145 if (!key || pdwDataLen)
1146 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1147
1148 prov = key->pProvider;
1149 return prov->pFuncs->pCPExportKey(prov->hPrivate, key->hPrivate, expkey ? expkey->hPrivate : 0,
1150 dwBlobType, dwFlags, pbData, pdwDataLen);
1151 }
1152
1153 /******************************************************************************
1154 * CryptGenKey (ADVAPI32.@)
1155 *
1156 * Generates a random cryptographic session key or a pub/priv key pair.
1157 *
1158 * PARAMS
1159 * hProv [I] Handle to a CSP.
1160 * Algid [I] Algorithm to use to make key.
1161 * dwFlags [I] Specifies type of key to make.
1162 * phKey [I] Address of the handle to which the new key is copied.
1163 *
1164 * RETURNS
1165 * Success: TRUE
1166 * Failure: FALSE
1167 */
1168 BOOL WINAPI CryptGenKey (HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
1169 {
1170 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1171 PCRYPTKEY key;
1172
1173 TRACE("(0x%lx, %d, %08ld, %p)\n", hProv, Algid, dwFlags, phKey);
1174
1175 if (!prov)
1176 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1177 if (!phKey)
1178 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1179 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1180 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1181
1182 key->pProvider = prov;
1183
1184 if (prov->pFuncs->pCPGenKey(prov->hPrivate, Algid, dwFlags, &key->hPrivate))
1185 {
1186 *phKey = (HCRYPTKEY)key;
1187 return TRUE;
1188 }
1189
1190 /* CSP error! */
1191 CRYPT_Free(key);
1192 return FALSE;
1193 }
1194
1195 /******************************************************************************
1196 * CryptGetDefaultProviderA (ADVAPI32.@)
1197 *
1198 * Finds the default CSP of a certain provider type.
1199 *
1200 * PARAMS
1201 * dwProvType [I] Provider type to look for.
1202 * pdwReserved [I] Reserved for future use and must be NULL.
1203 * dwFlags [I] CRYPT_MACHINE_DEFAULT/USER_DEFAULT
1204 * pszProvName [O] Name of the default CSP.
1205 * pcbProvName [I/O] Size of pszProvName
1206 *
1207 * RETURNS
1208 * Success: TRUE
1209 * Failure: FALSE
1210 *
1211 * NOTES
1212 * If pszProvName is NULL, pcbProvName will hold the size of the buffer for
1213 * memory allocation purposes on return.
1214 */
1215 BOOL WINAPI CryptGetDefaultProviderA (DWORD dwProvType, DWORD *pdwReserved,
1216 DWORD dwFlags, LPSTR pszProvName, DWORD *pcbProvName)
1217 {
1218 HKEY hKey;
1219 PSTR keyname;
1220
1221 if (pdwReserved || !pcbProvName)
1222 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1223 if (dwFlags & ~(CRYPT_USER_DEFAULT | CRYPT_MACHINE_DEFAULT))
1224 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
1225 if (dwProvType > 999)
1226 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
1227 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1228 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1229 if (RegOpenKeyA((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE ,keyname, &hKey))
1230 {
1231 CRYPT_Free(keyname);
1232 CRYPT_ReturnLastError(NTE_PROV_TYPE_NOT_DEF);
1233 }
1234 CRYPT_Free(keyname);
1235 if (RegQueryValueExA(hKey, "Name", NULL, NULL, pszProvName, pcbProvName))
1236 {
1237 if (GetLastError() != ERROR_MORE_DATA)
1238 SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
1239 return FALSE;
1240 }
1241 RegCloseKey(hKey);
1242 return TRUE;
1243 }
1244
1245 /******************************************************************************
1246 * CryptGetDefaultProviderW (ADVAPI32.@)
1247 *
1248 * see CryptGetDefaultProviderA
1249 */
1250 BOOL WINAPI CryptGetDefaultProviderW (DWORD dwProvType, DWORD *pdwReserved,
1251 DWORD dwFlags, LPWSTR pszProvName, DWORD *pcbProvName)
1252 {
1253 PSTR str = NULL;
1254 DWORD strlen;
1255 BOOL ret = FALSE;
1256
1257 TRACE("(%ld, %p, %08ld, %p, %p)\n", dwProvType, pdwReserved, dwFlags, pszProvName, pcbProvName);
1258
1259 strlen = *pcbProvName / sizeof(WCHAR);
1260 if ( pszProvName && !(str = CRYPT_Alloc(strlen)) )
1261 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1262 ret = CryptGetDefaultProviderA(dwProvType, pdwReserved, dwFlags, str, &strlen);
1263 if (str)
1264 {
1265 CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
1266 CRYPT_Free(str);
1267 }
1268 *pcbProvName = strlen * sizeof(WCHAR);
1269 return ret;
1270 }
1271
1272 /******************************************************************************
1273 * CryptGetHashParam (ADVAPI32.@)
1274 *
1275 * Retrieves data that controls the operations of a hash object.
1276 *
1277 * PARAMS
1278 * hHash [I] Handle of the hash object to question.
1279 * dwParam [I] Query type.
1280 * pbData [O] Buffer that receives the value data.
1281 * pdwDataLen [I/O] Size of the pbData buffer.
1282 * dwFlags [I] Reserved for future use and must be zero.
1283 *
1284 * RETURNS
1285 * Success: TRUE
1286 * Failure: FALSE
1287 *
1288 * NOTES
1289 * If pbData is NULL, pdwDataLen will contain the length required.
1290 */
1291 BOOL WINAPI CryptGetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
1292 DWORD *pdwDataLen, DWORD dwFlags)
1293 {
1294 PCRYPTPROV prov;
1295 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1296
1297 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hHash, dwParam, pbData, pdwDataLen, dwFlags);
1298
1299 if (!hash || !pdwDataLen)
1300 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1301
1302 prov = hash->pProvider;
1303 return prov->pFuncs->pCPGetHashParam(prov->hPrivate, hash->hPrivate, dwParam,
1304 pbData, pdwDataLen, dwFlags);
1305 }
1306
1307 /******************************************************************************
1308 * CryptGetKeyParam (ADVAPI32.@)
1309 *
1310 * Retrieves data that controls the operations of a key.
1311 *
1312 * PARAMS
1313 * hKey [I] Handle to they key in question.
1314 * dwParam [I] Specifies query type.
1315 * pbData [O] Sequence of bytes to receive data.
1316 * pdwDataLen [I/O] Size of pbData.
1317 * dwFlags [I] Reserved for future use and must be zero.
1318 *
1319 * RETURNS
1320 * Success: TRUE
1321 * Failure: FALSE
1322 *
1323 * NOTES
1324 * If pbData is NULL, pdwDataLen is set to the needed length of the buffer.
1325 */
1326 BOOL WINAPI CryptGetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
1327 DWORD *pdwDataLen, DWORD dwFlags)
1328 {
1329 PCRYPTPROV prov;
1330 PCRYPTKEY key = (PCRYPTKEY)hKey;
1331
1332 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hKey, dwParam, pbData, pdwDataLen, dwFlags);
1333
1334 if (!key || !pdwDataLen)
1335 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1336
1337 prov = key->pProvider;
1338 return prov->pFuncs->pCPGetKeyParam(prov->hPrivate, key->hPrivate, dwParam,
1339 pbData, pdwDataLen, dwFlags);
1340 }
1341
1342 /******************************************************************************
1343 * CryptGetProvParam (ADVAPI32.@)
1344 *
1345 * Retrieves parameters that control the operations of a CSP.
1346 *
1347 * PARAMS
1348 * hProv [I] Handle of the CSP in question.
1349 * dwParam [I] Specifies query type.
1350 * pbData [O] Buffer to receive the data.
1351 * pdwDataLen [I/O] Size of pbData.
1352 * dwFlags [I] see MSDN Docs.
1353 *
1354 * RETURNS
1355 * Success: TRUE
1356 * Failure: FALSE
1357 *
1358 * NOTES
1359 * If pbData is NULL, pdwDataLen is set to the needed buffer length.
1360 */
1361 BOOL WINAPI CryptGetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
1362 DWORD *pdwDataLen, DWORD dwFlags)
1363 {
1364 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1365
1366 TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hProv, dwParam, pbData, pdwDataLen, dwFlags);
1367
1368 return prov->pFuncs->pCPGetProvParam(prov->hPrivate, dwParam, pbData, pdwDataLen, dwFlags);
1369 }
1370
1371 /******************************************************************************
1372 * CryptGetUserKey (ADVAPI32.@)
1373 *
1374 * Gets a handle of one of a user's two public/private key pairs.
1375 *
1376 * PARAMS
1377 * hProv [I] Handle of a CSP.
1378 * dwKeySpec [I] Private key to use.
1379 * phUserKey [O] Pointer to the handle of the retrieved keys.
1380 *
1381 * RETURNS
1382 * Success: TRUE
1383 * Failure: FALSE
1384 */
1385 BOOL WINAPI CryptGetUserKey (HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
1386 {
1387 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1388 PCRYPTKEY key;
1389
1390 TRACE("(0x%lx, %ld, %p)\n", hProv, dwKeySpec, phUserKey);
1391
1392 if (!prov)
1393 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1394 if (!phUserKey)
1395 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1396 if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1397 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1398
1399 key->pProvider = prov;
1400
1401 if (prov->pFuncs->pCPGetUserKey(prov->hPrivate, dwKeySpec, &key->hPrivate))
1402 {
1403 *phUserKey = (HCRYPTKEY)key;
1404 return TRUE;
1405 }
1406
1407 /* CSP Error */
1408 CRYPT_Free(key);
1409 return FALSE;
1410 }
1411
1412 /******************************************************************************
1413 * CryptHashData (ADVAPI32.@)
1414 *
1415 * Adds data to a hash object.
1416 *
1417 * PARAMS
1418 * hHash [I] Handle of the hash object.
1419 * pbData [I] Buffer of data to be hashed.
1420 * dwDataLen [I] Number of bytes to add.
1421 * dwFlags [I] Can be CRYPT_USERDATA
1422 *
1423 * RETURNS
1424 * Success: TRUE
1425 * Failure: FALSE
1426 */
1427 BOOL WINAPI CryptHashData (HCRYPTHASH hHash, BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
1428 {
1429 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1430 PCRYPTPROV prov;
1431
1432 TRACE("(0x%lx, %p, %ld, %08ld)\n", hHash, pbData, dwDataLen, dwFlags);
1433
1434 if (!hash)
1435 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1436 if (!pbData || !dwDataLen)
1437 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1438
1439 prov = hash->pProvider;
1440 return prov->pFuncs->pCPHashData(prov->hPrivate, hash->hPrivate, pbData, dwDataLen, dwFlags);
1441 }
1442
1443 /******************************************************************************
1444 * CryptHashSessionKey (ADVAPI32.@)
1445 *
1446 * PARAMS
1447 * hHash [I] Handle to the hash object.
1448 * hKey [I] Handle to the key to be hashed.
1449 * dwFlags [I] Can be CRYPT_LITTLE_ENDIAN.
1450 *
1451 * RETURNS
1452 * Success: TRUE
1453 * Failure: FALSE
1454 */
1455 BOOL WINAPI CryptHashSessionKey (HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
1456 {
1457 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1458 PCRYPTKEY key = (PCRYPTKEY)hKey;
1459 PCRYPTPROV prov;
1460
1461 TRACE("(0x%lx, 0x%lx, %08ld)\n", hHash, hKey, dwFlags);
1462
1463 if (!hash || !key)
1464 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1465
1466 prov = hash->pProvider;
1467 return prov->pFuncs->pCPHashSessionKey(prov->hPrivate, hash->hPrivate, key->hPrivate, dwFlags);
1468 }
1469
1470 /******************************************************************************
1471 * CryptImportKey (ADVAPI32.@)
1472 *
1473 * PARAMS
1474 * hProv [I] Handle of a CSP.
1475 * pbData [I] Contains the key to be imported.
1476 * dwDataLen [I] Length of the key.
1477 * hPubKey [I] Cryptographic key that decrypts pdData
1478 * dwFlags [I] Used only with a public/private key pair.
1479 * phKey [O] Imported key.
1480 *
1481 * RETURNS
1482 * Success: TRUE
1483 * Failure: FALSE
1484 */
1485 BOOL WINAPI CryptImportKey (HCRYPTPROV hProv, BYTE *pbData, DWORD dwDataLen,
1486 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
1487 {
1488 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1489 PCRYPTKEY pubkey = (PCRYPTKEY)hPubKey, importkey;
1490
1491 TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld, %p)\n", hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
1492
1493 if (!prov || !pbData || !dwDataLen || !phKey)
1494 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1495
1496 if ( !(importkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
1497 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1498
1499 importkey->pProvider = prov;
1500 if (prov->pFuncs->pCPImportKey(prov->hPrivate, pbData, dwDataLen,
1501 pubkey ? pubkey->hPrivate : 0, dwFlags, &importkey->hPrivate))
1502 {
1503 *phKey = (HCRYPTKEY)importkey;
1504 return TRUE;
1505 }
1506
1507 CRYPT_Free(importkey);
1508 return FALSE;
1509 }
1510
1511 /******************************************************************************
1512 * CryptSignHashA
1513 *
1514 * Note: Since the sDesciption (string) is supposed to be NULL and
1515 * is only retained for compatibility no string conversions are required
1516 * and only one implementation is required for both ANSI and Unicode.
1517 * We still need to export both:
1518 *
1519 * CryptSignHashA (ADVAPI32.@)
1520 * CryptSignHashW (ADVAPI32.@)
1521 *
1522 * Signs data.
1523 *
1524 * PARAMS
1525 * hHash [I] Handle of the hash object to be signed.
1526 * dwKeySpec [I] Private key to use.
1527 * sDescription [I] Must be NULL.
1528 * dwFlags [I] CRYPT_NOHASHOID/X931_FORMAT.
1529 * pbSignature [O] Buffer of the signature data.
1530 * pdwSigLen [I/O] Size of the pbSignature buffer.
1531 *
1532 * RETURNS
1533 * Success: TRUE
1534 * Failure: FALSE
1535 */
1536 BOOL WINAPI CryptSignHashA (HCRYPTHASH hHash, DWORD dwKeySpec, LPCSTR sDescription,
1537 DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
1538 {
1539 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1540 PCRYPTPROV prov;
1541
1542 TRACE("(0x%lx, %ld, %08ld, %p, %p)\n", hHash, dwKeySpec, dwFlags, pbSignature, pdwSigLen);
1543 if (sDescription)
1544 WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
1545
1546 if (!hash)
1547 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1548 if (!pdwSigLen)
1549 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1550
1551 prov = hash->pProvider;
1552 return prov->pFuncs->pCPSignHash(prov->hPrivate, hash->hPrivate, dwKeySpec, NULL,
1553 dwFlags, pbSignature, pdwSigLen);
1554 }
1555
1556 /******************************************************************************
1557 * CryptSetHashParam (ADVAPI32.@)
1558 *
1559 * Customizes the operations of a hash object.
1560 *
1561 * PARAMS
1562 * hHash [I] Handle of the hash object to set parameters.
1563 * dwParam [I] HP_HMAC_INFO/HASHVAL.
1564 * pbData [I] Value data buffer.
1565 * dwFlags [I] Reserved for future use and must be zero.
1566 *
1567 * RETURNS
1568 * Success: TRUE
1569 * Failure: FALSE
1570 */
1571 BOOL WINAPI CryptSetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1572 {
1573 PCRYPTPROV prov;
1574 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1575
1576 TRACE("(0x%lx, %ld, %p, %08ld)\n", hHash, dwParam, pbData, dwFlags);
1577
1578 if (!hash || !pbData)
1579 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1580
1581 prov = hash->pProvider;
1582 return prov->pFuncs->pCPSetHashParam(prov->hPrivate, hash->hPrivate,
1583 dwParam, pbData, dwFlags);
1584 }
1585
1586 /******************************************************************************
1587 * CryptSetKeyParam (ADVAPI32.@)
1588 *
1589 * Customizes a session key's operations.
1590 *
1591 * PARAMS
1592 * hKey [I] Handle to the key to set values.
1593 * dwParam [I] See MSDN Doc.
1594 * pbData [I] Buffer of values to set.
1595 * dwFlags [I] Only used when dwParam == KP_ALGID.
1596 *
1597 * RETURNS
1598 * Success: TRUE
1599 * Failure: FALSE
1600 */
1601 BOOL WINAPI CryptSetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1602 {
1603 PCRYPTPROV prov;
1604 PCRYPTKEY key = (PCRYPTKEY)hKey;
1605
1606 TRACE("(0x%lx, %ld, %p, %08ld)\n", hKey, dwParam, pbData, dwFlags);
1607
1608 if (!key || !pbData)
1609 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1610
1611 prov = key->pProvider;
1612 return prov->pFuncs->pCPSetKeyParam(prov->hPrivate, key->hPrivate,
1613 dwParam, pbData, dwFlags);
1614 }
1615
1616 /******************************************************************************
1617 * CryptSetProviderA (ADVAPI32.@)
1618 *
1619 * Specifies the current user's default CSP.
1620 *
1621 * PARAMS
1622 * pszProvName [I] Name of the new default CSP.
1623 * dwProvType [I] Provider type of the CSP.
1624 *
1625 * RETURNS
1626 * Success: TRUE
1627 * Failure: FALSE
1628 */
1629 BOOL WINAPI CryptSetProviderA (LPCSTR pszProvName, DWORD dwProvType)
1630 {
1631 TRACE("(%s, %ld)\n", pszProvName, dwProvType);
1632 return CryptSetProviderExA(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
1633 }
1634
1635 /******************************************************************************
1636 * CryptSetProviderW (ADVAPI32.@)
1637 *
1638 * See CryptSetProviderA
1639 */
1640 BOOL WINAPI CryptSetProviderW (LPCWSTR pszProvName, DWORD dwProvType)
1641 {
1642 TRACE("(%s, %ld)\n", debugstr_w(pszProvName), dwProvType);
1643 return CryptSetProviderExW(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
1644 }
1645
1646 /******************************************************************************
1647 * CryptSetProviderExA (ADVAPI32.@)
1648 *
1649 * Specifies the default CSP.
1650 *
1651 * PARAMS
1652 * pszProvName [I] Name of the new default CSP.
1653 * dwProvType [I] Provider type of the CSP.
1654 * pdwReserved [I] Reserved for future use and must be NULL.
1655 * dwFlags [I] See MSDN Doc.
1656 *
1657 * RETURNS
1658 * Success: TRUE
1659 * Failure: FALSE
1660 */
1661 BOOL WINAPI CryptSetProviderExA (LPCSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
1662 {
1663 HKEY hKey;
1664 PSTR keyname;
1665
1666 TRACE("(%s, %ld, %p, %08ld)\n", pszProvName, dwProvType, pdwReserved, dwFlags);
1667
1668 if (!pszProvName || pdwReserved)
1669 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1670 if (dwProvType > MAXPROVTYPES)
1671 CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
1672 if (dwFlags & ~(CRYPT_MACHINE_DEFAULT | CRYPT_USER_DEFAULT | CRYPT_DELETE_DEFAULT)
1673 || dwFlags == CRYPT_DELETE_DEFAULT)
1674 CRYPT_ReturnLastError(NTE_BAD_FLAGS);
1675
1676 if (dwFlags & CRYPT_DELETE_DEFAULT)
1677 {
1678 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1679 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1680 RegDeleteKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname);
1681 CRYPT_Free(keyname);
1682 return TRUE;
1683 }
1684
1685 if ( !(keyname = CRYPT_GetProvKeyName(pszProvName)) )
1686 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1687 if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &hKey))
1688 {
1689 CRYPT_Free(keyname);
1690 CRYPT_ReturnLastError(NTE_BAD_PROVIDER);
1691 }
1692 CRYPT_Free(keyname);
1693 RegCloseKey(hKey);
1694 if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
1695 CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
1696 RegCreateKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname, &hKey);
1697 CRYPT_Free(keyname);
1698 if (RegSetValueExA(hKey, "Name", 0, REG_SZ, pszProvName, strlen(pszProvName) +1))
1699 return FALSE;
1700 return TRUE;
1701 }
1702
1703 /******************************************************************************
1704 * CryptSetProviderExW (ADVAPI32.@)
1705 *
1706 * See CryptSetProviderExA
1707 */
1708 BOOL WINAPI CryptSetProviderExW (LPCWSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
1709 {
1710 BOOL ret = FALSE;
1711 PSTR str = NULL;
1712
1713 TRACE("(%s, %ld, %p, %08ld)\n", debugstr_w(pszProvName), dwProvType, pdwReserved, dwFlags);
1714
1715 if (CRYPT_UnicodeToANSI(pszProvName, &str, -1))
1716 {
1717 ret = CryptSetProviderExA(str, dwProvType, pdwReserved, dwFlags);
1718 CRYPT_Free(str);
1719 }
1720 return ret;
1721 }
1722
1723 /******************************************************************************
1724 * CryptSetProvParam (ADVAPI32.@)
1725 *
1726 * Customizes the operations of a CSP.
1727 *
1728 * PARAMS
1729 * hProv [I] Handle of a CSP.
1730 * dwParam [I] See MSDN Doc.
1731 * pbData [I] Buffer that contains a value to set as a parameter.
1732 * dwFlags [I] if dwParam is PP_USE_HARDWARE_RNG, dwFlags must be zero.
1733 *
1734 * RETURNS
1735 * Success: TRUE
1736 * Failure: FALSE
1737 */
1738 BOOL WINAPI CryptSetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
1739 {
1740 PCRYPTPROV prov = (PCRYPTPROV)hProv;
1741
1742 TRACE("(0x%lx, %ld, %p, %08ld)\n", hProv, dwParam, pbData, dwFlags);
1743
1744 if (!prov)
1745 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1746 if (dwFlags & PP_USE_HARDWARE_RNG)
1747 {
1748 FIXME("PP_USE_HARDWARE_RNG: What do I do with this?\n");
1749 FIXME("\tLetting the CSP decide.\n");
1750 }
1751 if (dwFlags & PP_CLIENT_HWND)
1752 {
1753 /* FIXME: Should verify the parameter */
1754 if (pbData /* && IsWindow((HWND)pbData) */)
1755 {
1756 crypt_hWindow = (HWND)(pbData);
1757 return TRUE;
1758 } else {
1759 SetLastError(ERROR_INVALID_PARAMETER);
1760 return FALSE;
1761 }
1762 }
1763 /* All other flags go to the CSP */
1764 return prov->pFuncs->pCPSetProvParam(prov->hPrivate, dwParam, pbData, dwFlags);
1765 }
1766
1767 /******************************************************************************
1768 * CryptVerifySignatureA
1769 *
1770 * Note: Since the sDesciption (string) is supposed to be NULL and
1771 * is only retained for compatibility no string conversions are required
1772 * and only one implementation is required for both ANSI and Unicode.
1773 * We still need to export both:
1774 *
1775 * CryptVerifySignatureA (ADVAPI32.@)
1776 * CryptVerifySignatureW (ADVAPI32.@)
1777 *
1778 * Verifies the signature of a hash object.
1779 *
1780 * PARAMS
1781 * hHash [I] Handle of the hash object to verify.
1782 * pbSignature [I] Signature data to verify.
1783 * dwSigLen [I] Size of pbSignature.
1784 * hPubKey [I] Handle to the public key to authenticate signature.
1785 * sDescription [I] Must be set to NULL.
1786 * dwFlags [I] See MSDN doc.
1787 *
1788 * RETURNS
1789 * Success: TRUE
1790 * Failure: FALSE
1791 */
1792 BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, BYTE *pbSignature, DWORD dwSigLen,
1793 HCRYPTKEY hPubKey, LPCSTR sDescription, DWORD dwFlags)
1794 {
1795 PCRYPTHASH hash = (PCRYPTHASH)hHash;
1796 PCRYPTKEY key = (PCRYPTKEY)hPubKey;
1797 PCRYPTPROV prov;
1798
1799 TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld)\n", hHash, pbSignature,
1800 dwSigLen, hPubKey, dwFlags);
1801 if (sDescription)
1802 WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
1803
1804 if (!hash || !key)
1805 CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
1806 if (!pbSignature || !dwSigLen)
1807 CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
1808
1809 prov = hash->pProvider;
1810 return prov->pFuncs->pCPVerifySignature(prov->hPrivate, hash->hPrivate, pbSignature, dwSigLen,
1811 key->hPrivate, NULL, dwFlags);
1812 }
1813
1814
1815 /*
1816 These functions have nearly identical prototypes to CryptProtectMemory and CryptUnprotectMemory,
1817 in crypt32.dll.
1818 */
1819
1820 /******************************************************************************
1821 * SystemFunction040 (ADVAPI32.@)
1822 *
1823 * PARAMS:
1824 * memory : pointer to memory to encrypt
1825 * length : length of region to encrypt, in bytes. must be multiple of RTL_ENCRYPT_MEMORY_SIZE
1826 * flags : RTL_ENCRYPT_OPTION_SAME_PROCESS | RTL_ENCRYPT_OPTION_CROSS_PROCESS, | RTL_ENCRYPT_OPTION_SAME_LOGON
1827 * control whether other processes are able to decrypt the memory. The same value must be given
1828 * when decrypting the memory.
1829 */
1830 NTSTATUS WINAPI SystemFunction040(PVOID memory, ULONG length, ULONG flags) /* RtlEncryptMemory */
1831 {
1832 FIXME("(%p, %lx, %lx): stub [RtlEncryptMemory]\n", memory, length, flags);
1833 return STATUS_SUCCESS;
1834 }
1835
1836 /******************************************************************************
1837 * SystemFunction041 (ADVAPI32.@)
1838 *
1839 * PARAMS:
1840 * memory : pointer to memory to decrypt
1841 * length : length of region to decrypt, in bytes. must be multiple of RTL_ENCRYPT_MEMORY_SIZE
1842 * flags : RTL_ENCRYPT_OPTION_SAME_PROCESS | RTL_ENCRYPT_OPTION_CROSS_PROCESS, | RTL_ENCRYPT_OPTION_SAME_LOGON
1843 * control whether other processes are able to decrypt the memory. The same value must be given
1844 * when encrypting the memory.
1845 */
1846 NTSTATUS WINAPI SystemFunction041(PVOID memory, ULONG length, ULONG flags) /* RtlDecryptMemory */
1847 {
1848 FIXME("(%p, %lx, %lx): stub [RtlDecryptMemory]\n", memory, length, flags);
1849 return STATUS_SUCCESS;
1850 }
Windows API implementation