?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
cmd: Fix silly local variables indentation that breaks diff -p.
[wine/multimedia.git] / dlls / rsaenh / rsaenh.c
blobb78adc8fe254cc3baf723e8d498598f71d3ca51e
1 /*
2 * dlls/rsaenh/rsaenh.c
3 * RSAENH - RSA encryption for Wine
4 *
5 * Copyright 2002 TransGaming Technologies (David Hammerton)
6 * Copyright 2004 Mike McCormack for CodeWeavers
7 * Copyright 2004, 2005 Michael Jung
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 #include "config.h"
25 #include "wine/port.h"
26 #include "wine/library.h"
27 #include "wine/debug.h"
28
29 #include <stdarg.h>
30 #include <stdio.h>
31
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winreg.h"
35 #include "wincrypt.h"
36 #include "lmcons.h"
37 #include "handle.h"
38 #include "implglue.h"
39 #include "objbase.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
42
43 /******************************************************************************
44 * CRYPTHASH - hash objects
45 */
46 #define RSAENH_MAGIC_HASH 0x85938417u
47 #define RSAENH_MAX_HASH_SIZE 104
48 #define RSAENH_HASHSTATE_IDLE 0
49 #define RSAENH_HASHSTATE_HASHING 1
50 #define RSAENH_HASHSTATE_FINISHED 2
51 typedef struct _RSAENH_TLS1PRF_PARAMS
52 {
53 CRYPT_DATA_BLOB blobLabel;
54 CRYPT_DATA_BLOB blobSeed;
55 } RSAENH_TLS1PRF_PARAMS;
56
57 typedef struct tagCRYPTHASH
58 {
59 OBJECTHDR header;
60 ALG_ID aiAlgid;
61 HCRYPTKEY hKey;
62 HCRYPTPROV hProv;
63 DWORD dwHashSize;
64 DWORD dwState;
65 HASH_CONTEXT context;
66 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
67 PHMAC_INFO pHMACInfo;
68 RSAENH_TLS1PRF_PARAMS tpPRFParams;
69 } CRYPTHASH;
70
71 /******************************************************************************
72 * CRYPTKEY - key objects
73 */
74 #define RSAENH_MAGIC_KEY 0x73620457u
75 #define RSAENH_MAX_KEY_SIZE 48
76 #define RSAENH_MAX_BLOCK_SIZE 24
77 #define RSAENH_KEYSTATE_IDLE 0
78 #define RSAENH_KEYSTATE_ENCRYPTING 1
79 #define RSAENH_KEYSTATE_DECRYPTING 2
80 #define RSAENH_KEYSTATE_MASTERKEY 3
81 typedef struct _RSAENH_SCHANNEL_INFO
82 {
83 SCHANNEL_ALG saEncAlg;
84 SCHANNEL_ALG saMACAlg;
85 CRYPT_DATA_BLOB blobClientRandom;
86 CRYPT_DATA_BLOB blobServerRandom;
87 } RSAENH_SCHANNEL_INFO;
88
89 typedef struct tagCRYPTKEY
90 {
91 OBJECTHDR header;
92 ALG_ID aiAlgid;
93 HCRYPTPROV hProv;
94 DWORD dwMode;
95 DWORD dwModeBits;
96 DWORD dwPermissions;
97 DWORD dwKeyLen;
98 DWORD dwSaltLen;
99 DWORD dwBlockLen;
100 DWORD dwState;
101 KEY_CONTEXT context;
102 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE];
103 BYTE abInitVector[RSAENH_MAX_BLOCK_SIZE];
104 BYTE abChainVector[RSAENH_MAX_BLOCK_SIZE];
105 RSAENH_SCHANNEL_INFO siSChannelInfo;
106 } CRYPTKEY;
107
108 /******************************************************************************
109 * KEYCONTAINER - key containers
110 */
111 #define RSAENH_PERSONALITY_BASE 0u
112 #define RSAENH_PERSONALITY_STRONG 1u
113 #define RSAENH_PERSONALITY_ENHANCED 2u
114 #define RSAENH_PERSONALITY_SCHANNEL 3u
115
116 #define RSAENH_MAGIC_CONTAINER 0x26384993u
117 typedef struct tagKEYCONTAINER
118 {
119 OBJECTHDR header;
120 DWORD dwFlags;
121 DWORD dwPersonality;
122 DWORD dwEnumAlgsCtr;
123 DWORD dwEnumContainersCtr;
124 CHAR szName[MAX_PATH];
125 CHAR szProvName[MAX_PATH];
126 HCRYPTKEY hKeyExchangeKeyPair;
127 HCRYPTKEY hSignatureKeyPair;
128 } KEYCONTAINER;
129
130 /******************************************************************************
131 * Some magic constants
132 */
133 #define RSAENH_ENCRYPT 1
134 #define RSAENH_DECRYPT 0
135 #define RSAENH_HMAC_DEF_IPAD_CHAR 0x36
136 #define RSAENH_HMAC_DEF_OPAD_CHAR 0x5c
137 #define RSAENH_HMAC_DEF_PAD_LEN 64
138 #define RSAENH_DES_EFFECTIVE_KEYLEN 56
139 #define RSAENH_DES_STORAGE_KEYLEN 64
140 #define RSAENH_3DES112_EFFECTIVE_KEYLEN 112
141 #define RSAENH_3DES112_STORAGE_KEYLEN 128
142 #define RSAENH_3DES_EFFECTIVE_KEYLEN 168
143 #define RSAENH_3DES_STORAGE_KEYLEN 192
144 #define RSAENH_MAGIC_RSA2 0x32415352
145 #define RSAENH_MAGIC_RSA1 0x31415352
146 #define RSAENH_PKC_BLOCKTYPE 0x02
147 #define RSAENH_SSL3_VERSION_MAJOR 3
148 #define RSAENH_SSL3_VERSION_MINOR 0
149 #define RSAENH_TLS1_VERSION_MAJOR 3
150 #define RSAENH_TLS1_VERSION_MINOR 1
151 #define RSAENH_REGKEY "Software\\Wine\\Crypto\\RSA\\%s"
152
153 #define RSAENH_MIN(a,b) ((a)<(b)?(a):(b))
154 /******************************************************************************
155 * aProvEnumAlgsEx - Defines the capabilities of the CSP personalities.
156 */
157 #define RSAENH_MAX_ENUMALGS 20
158 #define RSAENH_PCT1_SSL2_SSL3_TLS1 (CRYPT_FLAG_PCT1|CRYPT_FLAG_SSL2|CRYPT_FLAG_SSL3|CRYPT_FLAG_TLS1)
159 static const PROV_ENUMALGS_EX aProvEnumAlgsEx[4][RSAENH_MAX_ENUMALGS+1] =
160 {
161 {
162 {CALG_RC2, 40, 40, 56,0, 4,"RC2", 24,"RSA Data Security's RC2"},
163 {CALG_RC4, 40, 40, 56,0, 4,"RC4", 24,"RSA Data Security's RC4"},
164 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
165 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
166 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
167 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
168 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
169 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
170 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
171 {CALG_RSA_SIGN, 512,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
172 {CALG_RSA_KEYX, 512,384, 1024,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
173 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
174 {0, 0, 0, 0,0, 1,"", 1,""}
175 },
176 {
177 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
178 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
179 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
180 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
181 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
182 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
183 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
184 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
185 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
186 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
187 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
188 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
189 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
190 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
191 {0, 0, 0, 0,0, 1,"", 1,""}
192 },
193 {
194 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
195 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
196 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
197 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
198 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
199 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
200 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
201 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
202 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
203 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
204 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
205 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
206 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
207 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
208 {0, 0, 0, 0,0, 1,"", 1,""}
209 },
210 {
211 {CALG_RC2, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC2", 24,"RSA Data Security's RC2"},
212 {CALG_RC4, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC4", 24,"RSA Data Security's RC4"},
213 {CALG_DES, 56, 56, 56,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"DES", 31,"Data Encryption Standard (DES)"},
214 {CALG_3DES_112, 112,112, 112,RSAENH_PCT1_SSL2_SSL3_TLS1,13,"3DES TWO KEY",19,"Two Key Triple DES"},
215 {CALG_3DES, 168,168, 168,RSAENH_PCT1_SSL2_SSL3_TLS1, 5,"3DES", 21,"Three Key Triple DES"},
216 {CALG_SHA,160,160,160,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,6,"SHA-1",30,"Secure Hash Algorithm (SHA-1)"},
217 {CALG_MD5,128,128,128,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,4,"MD5",23,"Message Digest 5 (MD5)"},
218 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
219 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
220 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_SIGN",14,"RSA Signature"},
221 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_KEYX",17,"RSA Key Exchange"},
222 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
223 {CALG_PCT1_MASTER,128,128,128,CRYPT_FLAG_PCT1, 12,"PCT1 MASTER",12,"PCT1 Master"},
224 {CALG_SSL2_MASTER,40,40, 192,CRYPT_FLAG_SSL2, 12,"SSL2 MASTER",12,"SSL2 Master"},
225 {CALG_SSL3_MASTER,384,384,384,CRYPT_FLAG_SSL3, 12,"SSL3 MASTER",12,"SSL3 Master"},
226 {CALG_TLS1_MASTER,384,384,384,CRYPT_FLAG_TLS1, 12,"TLS1 MASTER",12,"TLS1 Master"},
227 {CALG_SCHANNEL_MASTER_HASH,0,0,-1,0, 16,"SCH MASTER HASH",21,"SChannel Master Hash"},
228 {CALG_SCHANNEL_MAC_KEY,0,0,-1,0, 12,"SCH MAC KEY",17,"SChannel MAC Key"},
229 {CALG_SCHANNEL_ENC_KEY,0,0,-1,0, 12,"SCH ENC KEY",24,"SChannel Encryption Key"},
230 {CALG_TLS1PRF, 0, 0, -1,0, 9,"TLS1 PRF", 28,"TLS1 Pseudo Random Function"},
231 {0, 0, 0, 0,0, 1,"", 1,""}
232 }
233 };
234
235 /******************************************************************************
236 * API forward declarations
237 */
238 BOOL WINAPI
239 RSAENH_CPGetKeyParam(
240 HCRYPTPROV hProv,
241 HCRYPTKEY hKey,
242 DWORD dwParam,
243 BYTE *pbData,
244 DWORD *pdwDataLen,
245 DWORD dwFlags
246 );
247
248 BOOL WINAPI
249 RSAENH_CPEncrypt(
250 HCRYPTPROV hProv,
251 HCRYPTKEY hKey,
252 HCRYPTHASH hHash,
253 BOOL Final,
254 DWORD dwFlags,
255 BYTE *pbData,
256 DWORD *pdwDataLen,
257 DWORD dwBufLen
258 );
259
260 BOOL WINAPI
261 RSAENH_CPCreateHash(
262 HCRYPTPROV hProv,
263 ALG_ID Algid,
264 HCRYPTKEY hKey,
265 DWORD dwFlags,
266 HCRYPTHASH *phHash
267 );
268
269 BOOL WINAPI
270 RSAENH_CPSetHashParam(
271 HCRYPTPROV hProv,
272 HCRYPTHASH hHash,
273 DWORD dwParam,
274 BYTE *pbData, DWORD dwFlags
275 );
276
277 BOOL WINAPI
278 RSAENH_CPGetHashParam(
279 HCRYPTPROV hProv,
280 HCRYPTHASH hHash,
281 DWORD dwParam,
282 BYTE *pbData,
283 DWORD *pdwDataLen,
284 DWORD dwFlags
285 );
286
287 BOOL WINAPI
288 RSAENH_CPDestroyHash(
289 HCRYPTPROV hProv,
290 HCRYPTHASH hHash
291 );
292
293 BOOL WINAPI
294 RSAENH_CPExportKey(
295 HCRYPTPROV hProv,
296 HCRYPTKEY hKey,
297 HCRYPTKEY hPubKey,
298 DWORD dwBlobType,
299 DWORD dwFlags,
300 BYTE *pbData,
301 DWORD *pdwDataLen
302 );
303
304 BOOL WINAPI
305 RSAENH_CPImportKey(
306 HCRYPTPROV hProv,
307 CONST BYTE *pbData,
308 DWORD dwDataLen,
309 HCRYPTKEY hPubKey,
310 DWORD dwFlags,
311 HCRYPTKEY *phKey
312 );
313
314 BOOL WINAPI
315 RSAENH_CPHashData(
316 HCRYPTPROV hProv,
317 HCRYPTHASH hHash,
318 CONST BYTE *pbData,
319 DWORD dwDataLen,
320 DWORD dwFlags
321 );
322
323 /******************************************************************************
324 * CSP's handle table (used by all acquired key containers)
325 */
326 static HANDLETABLE handle_table;
327
328 /******************************************************************************
329 * DllMain (RSAENH.@)
330 *
331 * Initializes and destroys the handle table for the CSP's handles.
332 */
333 int WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
334 {
335 switch (fdwReason)
336 {
337 case DLL_PROCESS_ATTACH:
338 DisableThreadLibraryCalls(hInstance);
339 init_handle_table(&handle_table);
340 break;
341
342 case DLL_PROCESS_DETACH:
343 destroy_handle_table(&handle_table);
344 break;
345 }
346 return 1;
347 }
348
349 /******************************************************************************
350 * copy_param [Internal]
351 *
352 * Helper function that supports the standard WINAPI protocol for querying data
353 * of dynamic size.
354 *
355 * PARAMS
356 * pbBuffer [O] Buffer where the queried parameter is copied to, if it is large enough.
357 * May be NUL if the required buffer size is to be queried only.
358 * pdwBufferSize [I/O] In: Size of the buffer at pbBuffer
359 * Out: Size of parameter pbParam
360 * pbParam [I] Parameter value.
361 * dwParamSize [I] Size of pbParam
362 *
363 * RETURN
364 * Success: TRUE (pbParam was copied into pbBuffer or pbBuffer is NULL)
365 * Failure: FALSE (pbBuffer is not large enough to hold pbParam). Last error: ERROR_MORE_DATA
366 */
367 static inline BOOL copy_param(
368 BYTE *pbBuffer, DWORD *pdwBufferSize, CONST BYTE *pbParam, DWORD dwParamSize)
369 {
370 if (pbBuffer)
371 {
372 if (dwParamSize > *pdwBufferSize)
373 {
374 SetLastError(ERROR_MORE_DATA);
375 *pdwBufferSize = dwParamSize;
376 return FALSE;
377 }
378 memcpy(pbBuffer, pbParam, dwParamSize);
379 }
380 *pdwBufferSize = dwParamSize;
381 return TRUE;
382 }
383
384 /******************************************************************************
385 * get_algid_info [Internal]
386 *
387 * Query CSP capabilities for a given crypto algorithm.
388 *
389 * PARAMS
390 * hProv [I] Handle to a key container of the CSP whose capabilities are to be queried.
391 * algid [I] Identifier of the crypto algorithm about which information is requested.
392 *
393 * RETURNS
394 * Success: Pointer to a PROV_ENUMALGS_EX struct containing information about the crypto algorithm.
395 * Failure: NULL (algid not supported)
396 */
397 static inline const PROV_ENUMALGS_EX* get_algid_info(HCRYPTPROV hProv, ALG_ID algid) {
398 const PROV_ENUMALGS_EX *iterator;
399 KEYCONTAINER *pKeyContainer;
400
401 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
402 SetLastError(NTE_BAD_UID);
403 return NULL;
404 }
405
406 for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
407 if (iterator->aiAlgid == algid) return iterator;
408 }
409
410 SetLastError(NTE_BAD_ALGID);
411 return NULL;
412 }
413
414 /******************************************************************************
415 * copy_data_blob [Internal]
416 *
417 * deeply copies a DATA_BLOB
418 *
419 * PARAMS
420 * dst [O] That's where the blob will be copied to
421 * src [I] Source blob
422 *
423 * RETURNS
424 * Success: TRUE
425 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY
426 *
427 * NOTES
428 * Use free_data_blob to release resources occupied by copy_data_blob.
429 */
430 static inline BOOL copy_data_blob(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src) {
431 dst->pbData = HeapAlloc(GetProcessHeap(), 0, src->cbData);
432 if (!dst->pbData) {
433 SetLastError(NTE_NO_MEMORY);
434 return FALSE;
435 }
436 dst->cbData = src->cbData;
437 memcpy(dst->pbData, src->pbData, src->cbData);
438 return TRUE;
439 }
440
441 /******************************************************************************
442 * concat_data_blobs [Internal]
443 *
444 * Concatenates two blobs
445 *
446 * PARAMS
447 * dst [O] The new blob will be copied here
448 * src1 [I] Prefix blob
449 * src2 [I] Appendix blob
450 *
451 * RETURNS
452 * Success: TRUE
453 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY)
454 *
455 * NOTES
456 * Release resources occupied by concat_data_blobs with free_data_blobs
457 */
458 static inline BOOL concat_data_blobs(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src1,
459 CONST PCRYPT_DATA_BLOB src2)
460 {
461 dst->cbData = src1->cbData + src2->cbData;
462 dst->pbData = HeapAlloc(GetProcessHeap(), 0, dst->cbData);
463 if (!dst->pbData) {
464 SetLastError(NTE_NO_MEMORY);
465 return FALSE;
466 }
467 memcpy(dst->pbData, src1->pbData, src1->cbData);
468 memcpy(dst->pbData + src1->cbData, src2->pbData, src2->cbData);
469 return TRUE;
470 }
471
472 /******************************************************************************
473 * free_data_blob [Internal]
474 *
475 * releases resource occupied by a dynamically allocated CRYPT_DATA_BLOB
476 *
477 * PARAMS
478 * pBlob [I] Heap space occupied by pBlob->pbData is released
479 */
480 static inline void free_data_blob(PCRYPT_DATA_BLOB pBlob) {
481 HeapFree(GetProcessHeap(), 0, pBlob->pbData);
482 }
483
484 /******************************************************************************
485 * init_data_blob [Internal]
486 */
487 static inline void init_data_blob(PCRYPT_DATA_BLOB pBlob) {
488 pBlob->pbData = NULL;
489 pBlob->cbData = 0;
490 }
491
492 /******************************************************************************
493 * free_hmac_info [Internal]
494 *
495 * Deeply free an HMAC_INFO struct.
496 *
497 * PARAMS
498 * hmac_info [I] Pointer to the HMAC_INFO struct to be freed.
499 *
500 * NOTES
501 * See Internet RFC 2104 for details on the HMAC algorithm.
502 */
503 static inline void free_hmac_info(PHMAC_INFO hmac_info) {
504 if (!hmac_info) return;
505 HeapFree(GetProcessHeap(), 0, hmac_info->pbInnerString);
506 HeapFree(GetProcessHeap(), 0, hmac_info->pbOuterString);
507 HeapFree(GetProcessHeap(), 0, hmac_info);
508 }
509
510 /******************************************************************************
511 * copy_hmac_info [Internal]
512 *
513 * Deeply copy an HMAC_INFO struct
514 *
515 * PARAMS
516 * dst [O] Pointer to a location where the pointer to the HMAC_INFO copy will be stored.
517 * src [I] Pointer to the HMAC_INFO struct to be copied.
518 *
519 * RETURNS
520 * Success: TRUE
521 * Failure: FALSE
522 *
523 * NOTES
524 * See Internet RFC 2104 for details on the HMAC algorithm.
525 */
526 static BOOL copy_hmac_info(PHMAC_INFO *dst, PHMAC_INFO src) {
527 if (!src) return FALSE;
528 *dst = HeapAlloc(GetProcessHeap(), 0, sizeof(HMAC_INFO));
529 if (!*dst) return FALSE;
530 memcpy(*dst, src, sizeof(HMAC_INFO));
531 (*dst)->pbInnerString = NULL;
532 (*dst)->pbOuterString = NULL;
533 if ((*dst)->cbInnerString == 0) (*dst)->cbInnerString = RSAENH_HMAC_DEF_PAD_LEN;
534 (*dst)->pbInnerString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbInnerString);
535 if (!(*dst)->pbInnerString) {
536 free_hmac_info(*dst);
537 return FALSE;
538 }
539 if (src->cbInnerString)
540 memcpy((*dst)->pbInnerString, src->pbInnerString, src->cbInnerString);
541 else
542 memset((*dst)->pbInnerString, RSAENH_HMAC_DEF_IPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
543 if ((*dst)->cbOuterString == 0) (*dst)->cbOuterString = RSAENH_HMAC_DEF_PAD_LEN;
544 (*dst)->pbOuterString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbOuterString);
545 if (!(*dst)->pbOuterString) {
546 free_hmac_info(*dst);
547 return FALSE;
548 }
549 if (src->cbOuterString)
550 memcpy((*dst)->pbOuterString, src->pbOuterString, src->cbOuterString);
551 else
552 memset((*dst)->pbOuterString, RSAENH_HMAC_DEF_OPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
553 return TRUE;
554 }
555
556 /******************************************************************************
557 * destroy_hash [Internal]
558 *
559 * Destructor for hash objects
560 *
561 * PARAMS
562 * pCryptHash [I] Pointer to the hash object to be destroyed.
563 * Will be invalid after function returns!
564 */
565 static void destroy_hash(OBJECTHDR *pObject)
566 {
567 CRYPTHASH *pCryptHash = (CRYPTHASH*)pObject;
568
569 free_hmac_info(pCryptHash->pHMACInfo);
570 free_data_blob(&pCryptHash->tpPRFParams.blobLabel);
571 free_data_blob(&pCryptHash->tpPRFParams.blobSeed);
572 HeapFree(GetProcessHeap(), 0, pCryptHash);
573 }
574
575 /******************************************************************************
576 * init_hash [Internal]
577 *
578 * Initialize (or reset) a hash object
579 *
580 * PARAMS
581 * pCryptHash [I] The hash object to be initialized.
582 */
583 static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
584 DWORD dwLen;
585
586 switch (pCryptHash->aiAlgid)
587 {
588 case CALG_HMAC:
589 if (pCryptHash->pHMACInfo) {
590 const PROV_ENUMALGS_EX *pAlgInfo;
591
592 pAlgInfo = get_algid_info(pCryptHash->hProv, pCryptHash->pHMACInfo->HashAlgid);
593 if (!pAlgInfo) return FALSE;
594 pCryptHash->dwHashSize = pAlgInfo->dwDefaultLen >> 3;
595 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
596 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
597 pCryptHash->pHMACInfo->pbInnerString,
598 pCryptHash->pHMACInfo->cbInnerString);
599 }
600 return TRUE;
601
602 case CALG_MAC:
603 dwLen = sizeof(DWORD);
604 RSAENH_CPGetKeyParam(pCryptHash->hProv, pCryptHash->hKey, KP_BLOCKLEN,
605 (BYTE*)&pCryptHash->dwHashSize, &dwLen, 0);
606 pCryptHash->dwHashSize >>= 3;
607 return TRUE;
608
609 default:
610 return init_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context);
611 }
612 }
613
614 /******************************************************************************
615 * update_hash [Internal]
616 *
617 * Hashes the given data and updates the hash object's state accordingly
618 *
619 * PARAMS
620 * pCryptHash [I] Hash object to be updated.
621 * pbData [I] Pointer to data stream to be hashed.
622 * dwDataLen [I] Length of data stream.
623 */
624 static inline void update_hash(CRYPTHASH *pCryptHash, CONST BYTE *pbData, DWORD dwDataLen) {
625 BYTE *pbTemp;
626
627 switch (pCryptHash->aiAlgid)
628 {
629 case CALG_HMAC:
630 if (pCryptHash->pHMACInfo)
631 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
632 pbData, dwDataLen);
633 break;
634
635 case CALG_MAC:
636 pbTemp = HeapAlloc(GetProcessHeap(), 0, dwDataLen);
637 if (!pbTemp) return;
638 memcpy(pbTemp, pbData, dwDataLen);
639 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, (HCRYPTHASH)NULL, FALSE, 0,
640 pbTemp, &dwDataLen, dwDataLen);
641 HeapFree(GetProcessHeap(), 0, pbTemp);
642 break;
643
644 default:
645 update_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pbData, dwDataLen);
646 }
647 }
648
649 /******************************************************************************
650 * finalize_hash [Internal]
651 *
652 * Finalizes the hash, after all data has been hashed with update_hash.
653 * No additional data can be hashed afterwards until the hash gets initialized again.
654 *
655 * PARAMS
656 * pCryptHash [I] Hash object to be finalized.
657 */
658 static inline void finalize_hash(CRYPTHASH *pCryptHash) {
659 DWORD dwDataLen;
660
661 switch (pCryptHash->aiAlgid)
662 {
663 case CALG_HMAC:
664 if (pCryptHash->pHMACInfo) {
665 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
666
667 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
668 pCryptHash->abHashValue);
669 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
670 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
671 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
672 pCryptHash->pHMACInfo->pbOuterString,
673 pCryptHash->pHMACInfo->cbOuterString);
674 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
675 abHashValue, pCryptHash->dwHashSize);
676 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
677 pCryptHash->abHashValue);
678 }
679 break;
680
681 case CALG_MAC:
682 dwDataLen = 0;
683 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, (HCRYPTHASH)NULL, TRUE, 0,
684 pCryptHash->abHashValue, &dwDataLen, pCryptHash->dwHashSize);
685 break;
686
687 default:
688 finalize_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pCryptHash->abHashValue);
689 }
690 }
691
692 /******************************************************************************
693 * destroy_key [Internal]
694 *
695 * Destructor for key objects
696 *
697 * PARAMS
698 * pCryptKey [I] Pointer to the key object to be destroyed.
699 * Will be invalid after function returns!
700 */
701 static void destroy_key(OBJECTHDR *pObject)
702 {
703 CRYPTKEY *pCryptKey = (CRYPTKEY*)pObject;
704
705 free_key_impl(pCryptKey->aiAlgid, &pCryptKey->context);
706 free_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
707 free_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
708 HeapFree(GetProcessHeap(), 0, pCryptKey);
709 }
710
711 /******************************************************************************
712 * setup_key [Internal]
713 *
714 * Initialize (or reset) a key object
715 *
716 * PARAMS
717 * pCryptKey [I] The key object to be initialized.
718 */
719 static inline void setup_key(CRYPTKEY *pCryptKey) {
720 pCryptKey->dwState = RSAENH_KEYSTATE_IDLE;
721 memcpy(pCryptKey->abChainVector, pCryptKey->abInitVector, sizeof(pCryptKey->abChainVector));
722 setup_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen,
723 pCryptKey->dwSaltLen, pCryptKey->abKeyValue);
724 }
725
726 /******************************************************************************
727 * new_key [Internal]
728 *
729 * Creates a new key object without assigning the actual binary key value.
730 * This is done by CPDeriveKey, CPGenKey or CPImportKey, which call this function.
731 *
732 * PARAMS
733 * hProv [I] Handle to the provider to which the created key will belong.
734 * aiAlgid [I] The new key shall use the crypto algorithm idenfied by aiAlgid.
735 * dwFlags [I] Upper 16 bits give the key length.
736 * Lower 16 bits: CRYPT_CREATE_SALT, CRYPT_NO_SALT
737 * ppCryptKey [O] Pointer to the created key
738 *
739 * RETURNS
740 * Success: Handle to the created key.
741 * Failure: INVALID_HANDLE_VALUE
742 */
743 static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey)
744 {
745 HCRYPTKEY hCryptKey;
746 CRYPTKEY *pCryptKey;
747 DWORD dwKeyLen = HIWORD(dwFlags);
748 const PROV_ENUMALGS_EX *peaAlgidInfo;
749
750 *ppCryptKey = NULL;
751
752 /*
753 * Retrieve the CSP's capabilities for the given ALG_ID value
754 */
755 peaAlgidInfo = get_algid_info(hProv, aiAlgid);
756 if (!peaAlgidInfo) return (HCRYPTKEY)INVALID_HANDLE_VALUE;
757
758 /*
759 * Assume the default key length, if none is specified explicitly
760 */
761 if (dwKeyLen == 0) dwKeyLen = peaAlgidInfo->dwDefaultLen;
762
763 /*
764 * Check if the requested key length is supported by the current CSP.
765 * Adjust key length's for DES algorithms.
766 */
767 switch (aiAlgid) {
768 case CALG_DES:
769 if (dwKeyLen == RSAENH_DES_EFFECTIVE_KEYLEN) {
770 dwKeyLen = RSAENH_DES_STORAGE_KEYLEN;
771 }
772 if (dwKeyLen != RSAENH_DES_STORAGE_KEYLEN) {
773 SetLastError(NTE_BAD_FLAGS);
774 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
775 }
776 break;
777
778 case CALG_3DES_112:
779 if (dwKeyLen == RSAENH_3DES112_EFFECTIVE_KEYLEN) {
780 dwKeyLen = RSAENH_3DES112_STORAGE_KEYLEN;
781 }
782 if (dwKeyLen != RSAENH_3DES112_STORAGE_KEYLEN) {
783 SetLastError(NTE_BAD_FLAGS);
784 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
785 }
786 break;
787
788 case CALG_3DES:
789 if (dwKeyLen == RSAENH_3DES_EFFECTIVE_KEYLEN) {
790 dwKeyLen = RSAENH_3DES_STORAGE_KEYLEN;
791 }
792 if (dwKeyLen != RSAENH_3DES_STORAGE_KEYLEN) {
793 SetLastError(NTE_BAD_FLAGS);
794 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
795 }
796 break;
797
798 default:
799 if (dwKeyLen % 8 ||
800 dwKeyLen > peaAlgidInfo->dwMaxLen ||
801 dwKeyLen < peaAlgidInfo->dwMinLen)
802 {
803 SetLastError(NTE_BAD_FLAGS);
804 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
805 }
806 }
807
808 hCryptKey = (HCRYPTKEY)new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY,
809 destroy_key, (OBJECTHDR**)&pCryptKey);
810 if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
811 {
812 pCryptKey->aiAlgid = aiAlgid;
813 pCryptKey->hProv = hProv;
814 pCryptKey->dwModeBits = 0;
815 pCryptKey->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE |
816 CRYPT_MAC;
817 pCryptKey->dwKeyLen = dwKeyLen >> 3;
818 if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
819 pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen;
820 else
821 pCryptKey->dwSaltLen = 0;
822 memset(pCryptKey->abKeyValue, 0, sizeof(pCryptKey->abKeyValue));
823 memset(pCryptKey->abInitVector, 0, sizeof(pCryptKey->abInitVector));
824 init_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
825 init_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
826
827 switch(aiAlgid)
828 {
829 case CALG_PCT1_MASTER:
830 case CALG_SSL2_MASTER:
831 case CALG_SSL3_MASTER:
832 case CALG_TLS1_MASTER:
833 case CALG_RC4:
834 pCryptKey->dwBlockLen = 0;
835 pCryptKey->dwMode = 0;
836 break;
837
838 case CALG_RC2:
839 case CALG_DES:
840 case CALG_3DES_112:
841 case CALG_3DES:
842 pCryptKey->dwBlockLen = 8;
843 pCryptKey->dwMode = CRYPT_MODE_CBC;
844 break;
845
846 case CALG_RSA_KEYX:
847 case CALG_RSA_SIGN:
848 pCryptKey->dwBlockLen = dwKeyLen >> 3;
849 pCryptKey->dwMode = 0;
850 break;
851 }
852
853 *ppCryptKey = pCryptKey;
854 }
855
856 return hCryptKey;
857 }
858
859 /******************************************************************************
860 * destroy_key_container [Internal]
861 *
862 * Destructor for key containers.
863 *
864 * PARAMS
865 * pObjectHdr [I] Pointer to the key container to be destroyed.
866 */
867 static void destroy_key_container(OBJECTHDR *pObjectHdr)
868 {
869 KEYCONTAINER *pKeyContainer = (KEYCONTAINER*)pObjectHdr;
870 DATA_BLOB blobIn, blobOut;
871 CRYPTKEY *pKey;
872 CHAR szRSABase[MAX_PATH];
873 HKEY hKey, hRootKey;
874 DWORD dwLen;
875 BYTE *pbKey;
876
877 if (!(pKeyContainer->dwFlags & CRYPT_VERIFYCONTEXT)) {
878 /* On WinXP, persistent keys are stored in a file located at:
879 * $AppData$\\Microsoft\\Crypto\\RSA\\$SID$\\some_hex_string
880 */
881 sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
882
883 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) {
884 hRootKey = HKEY_LOCAL_MACHINE;
885 } else {
886 hRootKey = HKEY_CURRENT_USER;
887 }
888
889 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
890 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
891 if (RegCreateKeyExA(hRootKey, szRSABase, 0, NULL, REG_OPTION_NON_VOLATILE,
892 KEY_WRITE, NULL, &hKey, NULL) == ERROR_SUCCESS)
893 {
894 if (lookup_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
895 (OBJECTHDR**)&pKey))
896 {
897 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hKeyExchangeKeyPair, 0,
898 PRIVATEKEYBLOB, 0, 0, &dwLen))
899 {
900 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
901 if (pbKey)
902 {
903 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hKeyExchangeKeyPair, 0,
904 PRIVATEKEYBLOB, 0, pbKey, &dwLen))
905 {
906 blobIn.pbData = pbKey;
907 blobIn.cbData = dwLen;
908
909 if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
910 (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) ?
911 CRYPTPROTECT_LOCAL_MACHINE : 0,
912 &blobOut))
913 {
914 RegSetValueExA(hKey, "KeyExchangeKeyPair", 0, REG_BINARY,
915 blobOut.pbData, blobOut.cbData);
916 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
917 }
918 }
919 HeapFree(GetProcessHeap(), 0, pbKey);
920 }
921 }
922 release_handle(&handle_table, (unsigned int)pKeyContainer->hKeyExchangeKeyPair,
923 RSAENH_MAGIC_KEY);
924 }
925
926 if (lookup_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
927 (OBJECTHDR**)&pKey))
928 {
929 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hSignatureKeyPair, 0,
930 PRIVATEKEYBLOB, 0, 0, &dwLen))
931 {
932 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
933 if (pbKey)
934 {
935 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hSignatureKeyPair, 0,
936 PRIVATEKEYBLOB, 0, pbKey, &dwLen))
937 {
938 blobIn.pbData = pbKey;
939 blobIn.cbData = dwLen;
940
941 if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
942 (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) ?
943 CRYPTPROTECT_LOCAL_MACHINE : 0,
944 &blobOut))
945 {
946 RegSetValueExA(hKey, "SignatureKeyPair", 0, REG_BINARY,
947 blobOut.pbData, blobOut.cbData);
948 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
949 }
950 }
951 HeapFree(GetProcessHeap(), 0, pbKey);
952 }
953 }
954 release_handle(&handle_table, (unsigned int)pKeyContainer->hSignatureKeyPair,
955 RSAENH_MAGIC_KEY);
956 }
957
958 RegCloseKey(hKey);
959 }
960 }
961
962 HeapFree( GetProcessHeap(), 0, pKeyContainer );
963 }
964
965 /******************************************************************************
966 * new_key_container [Internal]
967 *
968 * Create a new key container. The personality (RSA Base, Strong or Enhanced CP)
969 * of the CSP is determined via the pVTable->pszProvName string.
970 *
971 * PARAMS
972 * pszContainerName [I] Name of the key container.
973 * pVTable [I] Callback functions and context info provided by the OS
974 *
975 * RETURNS
976 * Success: Handle to the new key container.
977 * Failure: INVALID_HANDLE_VALUE
978 */
979 static HCRYPTPROV new_key_container(PCCH pszContainerName, DWORD dwFlags, PVTableProvStruc pVTable)
980 {
981 KEYCONTAINER *pKeyContainer;
982 HCRYPTPROV hKeyContainer;
983
984 hKeyContainer = (HCRYPTPROV)new_object(&handle_table, sizeof(KEYCONTAINER), RSAENH_MAGIC_CONTAINER,
985 destroy_key_container, (OBJECTHDR**)&pKeyContainer);
986 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
987 {
988 lstrcpynA(pKeyContainer->szName, pszContainerName, MAX_PATH);
989 pKeyContainer->dwFlags = dwFlags;
990 pKeyContainer->dwEnumAlgsCtr = 0;
991 pKeyContainer->hKeyExchangeKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
992 pKeyContainer->hSignatureKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
993 if (pVTable && pVTable->pszProvName) {
994 lstrcpynA(pKeyContainer->szProvName, pVTable->pszProvName, MAX_PATH);
995 if (!strcmp(pVTable->pszProvName, MS_DEF_PROV_A)) {
996 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_BASE;
997 } else if (!strcmp(pVTable->pszProvName, MS_ENHANCED_PROV_A)) {
998 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_ENHANCED;
999 } else if (!strcmp(pVTable->pszProvName, MS_DEF_RSA_SCHANNEL_PROV_A)) {
1000 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_SCHANNEL;
1001 } else {
1002 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_STRONG;
1003 }
1004 }
1005
1006 /* The new key container has to be inserted into the CSP immediately
1007 * after creation to be available for CPGetProvParam's PP_ENUMCONTAINERS. */
1008 if (!(dwFlags & CRYPT_VERIFYCONTEXT)) {
1009 CHAR szRSABase[MAX_PATH];
1010 HKEY hRootKey, hKey;
1011
1012 sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
1013
1014 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) {
1015 hRootKey = HKEY_LOCAL_MACHINE;
1016 } else {
1017 hRootKey = HKEY_CURRENT_USER;
1018 }
1019
1020 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1021 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1022 RegCreateKeyA(hRootKey, szRSABase, &hKey);
1023 RegCloseKey(hKey);
1024 }
1025 }
1026
1027 return hKeyContainer;
1028 }
1029
1030 /******************************************************************************
1031 * read_key_container [Internal]
1032 *
1033 * Tries to read the persistent state of the key container (mainly the signature
1034 * and key exchange private keys) given by pszContainerName.
1035 *
1036 * PARAMS
1037 * pszContainerName [I] Name of the key container to read from the registry
1038 * pVTable [I] Pointer to context data provided by the operating system
1039 *
1040 * RETURNS
1041 * Success: Handle to the key container read from the registry
1042 * Failure: INVALID_HANDLE_VALUE
1043 */
1044 static HCRYPTPROV read_key_container(PCHAR pszContainerName, DWORD dwFlags, PVTableProvStruc pVTable)
1045 {
1046 CHAR szRSABase[MAX_PATH];
1047 BYTE *pbKey;
1048 HKEY hKey, hRootKey;
1049 DWORD dwValueType, dwLen;
1050 KEYCONTAINER *pKeyContainer;
1051 HCRYPTPROV hKeyContainer;
1052 DATA_BLOB blobIn, blobOut;
1053
1054 sprintf(szRSABase, RSAENH_REGKEY, pszContainerName);
1055
1056 if (dwFlags & CRYPT_MACHINE_KEYSET) {
1057 hRootKey = HKEY_LOCAL_MACHINE;
1058 } else {
1059 hRootKey = HKEY_CURRENT_USER;
1060 }
1061
1062 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1063 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1064 if (RegOpenKeyExA(hRootKey, szRSABase, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
1065 {
1066 SetLastError(NTE_BAD_KEYSET);
1067 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1068 }
1069
1070 hKeyContainer = new_key_container(pszContainerName, dwFlags, pVTable);
1071 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1072 {
1073 if (!lookup_handle(&handle_table, hKeyContainer, RSAENH_MAGIC_CONTAINER,
1074 (OBJECTHDR**)&pKeyContainer))
1075 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1076
1077 if (RegQueryValueExA(hKey, "KeyExchangeKeyPair", 0, &dwValueType, NULL, &dwLen) ==
1078 ERROR_SUCCESS)
1079 {
1080 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1081 if (pbKey)
1082 {
1083 if (RegQueryValueExA(hKey, "KeyExchangeKeyPair", 0, &dwValueType, pbKey, &dwLen) ==
1084 ERROR_SUCCESS)
1085 {
1086 blobIn.pbData = pbKey;
1087 blobIn.cbData = dwLen;
1088
1089 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1090 (dwFlags & CRYPT_MACHINE_KEYSET) ? CRYPTPROTECT_LOCAL_MACHINE : 0, &blobOut))
1091 {
1092 RSAENH_CPImportKey(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1093 &pKeyContainer->hKeyExchangeKeyPair);
1094 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
1095 }
1096 }
1097 HeapFree(GetProcessHeap(), 0, pbKey);
1098 }
1099 }
1100
1101 if (RegQueryValueExA(hKey, "SignatureKeyPair", 0, &dwValueType, NULL, &dwLen) ==
1102 ERROR_SUCCESS)
1103 {
1104 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1105 if (pbKey)
1106 {
1107 if (RegQueryValueExA(hKey, "SignatureKeyPair", 0, &dwValueType, pbKey, &dwLen) ==
1108 ERROR_SUCCESS)
1109 {
1110 blobIn.pbData = pbKey;
1111 blobIn.cbData = dwLen;
1112
1113 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1114 (dwFlags & CRYPT_MACHINE_KEYSET) ? CRYPTPROTECT_LOCAL_MACHINE : 0, &blobOut))
1115 {
1116 RSAENH_CPImportKey(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1117 &pKeyContainer->hSignatureKeyPair);
1118 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
1119 }
1120 }
1121 HeapFree(GetProcessHeap(), 0, pbKey);
1122 }
1123 }
1124 }
1125
1126 return hKeyContainer;
1127 }
1128
1129 /******************************************************************************
1130 * build_hash_signature [Internal]
1131 *
1132 * Builds a padded version of a hash to match the length of the RSA key modulus.
1133 *
1134 * PARAMS
1135 * pbSignature [O] The padded hash object is stored here.
1136 * dwLen [I] Length of the pbSignature buffer.
1137 * aiAlgid [I] Algorithm identifier of the hash to be padded.
1138 * abHashValue [I] The value of the hash object.
1139 * dwHashLen [I] Length of the hash value.
1140 * dwFlags [I] Selection of padding algorithm.
1141 *
1142 * RETURNS
1143 * Success: TRUE
1144 * Failure: FALSE (NTE_BAD_ALGID)
1145 */
1146 static BOOL build_hash_signature(BYTE *pbSignature, DWORD dwLen, ALG_ID aiAlgid,
1147 CONST BYTE *abHashValue, DWORD dwHashLen, DWORD dwFlags)
1148 {
1149 /* These prefixes are meant to be concatenated with hash values of the
1150 * respective kind to form a PKCS #7 DigestInfo. */
1151 static const struct tagOIDDescriptor {
1152 ALG_ID aiAlgid;
1153 DWORD dwLen;
1154 CONST BYTE abOID[18];
1155 } aOIDDescriptor[5] = {
1156 { CALG_MD2, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1157 0x86, 0xf7, 0x0d, 0x02, 0x02, 0x05, 0x00, 0x04, 0x10 } },
1158 { CALG_MD4, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1159 0x86, 0xf7, 0x0d, 0x02, 0x04, 0x05, 0x00, 0x04, 0x10 } },
1160 { CALG_MD5, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1161 0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 } },
1162 { CALG_SHA, 15, { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
1163 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 } },
1164 { 0, 0, {} }
1165 };
1166 DWORD dwIdxOID, i, j;
1167
1168 for (dwIdxOID = 0; aOIDDescriptor[dwIdxOID].aiAlgid; dwIdxOID++) {
1169 if (aOIDDescriptor[dwIdxOID].aiAlgid == aiAlgid) break;
1170 }
1171
1172 if (!aOIDDescriptor[dwIdxOID].aiAlgid) {
1173 SetLastError(NTE_BAD_ALGID);
1174 return FALSE;
1175 }
1176
1177 /* Build the padded signature */
1178 if (dwFlags & CRYPT_X931_FORMAT) {
1179 pbSignature[0] = 0x6b;
1180 for (i=1; i < dwLen - dwHashLen - 3; i++) {
1181 pbSignature[i] = 0xbb;
1182 }
1183 pbSignature[i++] = 0xba;
1184 for (j=0; j < dwHashLen; j++, i++) {
1185 pbSignature[i] = abHashValue[j];
1186 }
1187 pbSignature[i++] = 0x33;
1188 pbSignature[i++] = 0xcc;
1189 } else {
1190 pbSignature[0] = 0x00;
1191 pbSignature[1] = 0x01;
1192 if (dwFlags & CRYPT_NOHASHOID) {
1193 for (i=2; i < dwLen - 1 - dwHashLen; i++) {
1194 pbSignature[i] = 0xff;
1195 }
1196 pbSignature[i++] = 0x00;
1197 } else {
1198 for (i=2; i < dwLen - 1 - aOIDDescriptor[dwIdxOID].dwLen - dwHashLen; i++) {
1199 pbSignature[i] = 0xff;
1200 }
1201 pbSignature[i++] = 0x00;
1202 for (j=0; j < aOIDDescriptor[dwIdxOID].dwLen; j++) {
1203 pbSignature[i++] = aOIDDescriptor[dwIdxOID].abOID[j];
1204 }
1205 }
1206 for (j=0; j < dwHashLen; j++) {
1207 pbSignature[i++] = abHashValue[j];
1208 }
1209 }
1210
1211 return TRUE;
1212 }
1213
1214 /******************************************************************************
1215 * tls1_p [Internal]
1216 *
1217 * This is an implementation of the 'P_hash' helper function for TLS1's PRF.
1218 * It is used exclusively by tls1_prf. For details see RFC 2246, chapter 5.
1219 * The pseudo random stream generated by this function is exclusive or'ed with
1220 * the data in pbBuffer.
1221 *
1222 * PARAMS
1223 * hHMAC [I] HMAC object, which will be used in pseudo random generation
1224 * pblobSeed [I] Seed value
1225 * pbBuffer [I/O] Pseudo random stream will be xor'ed to the provided data
1226 * dwBufferLen [I] Number of pseudo random bytes desired
1227 *
1228 * RETURNS
1229 * Success: TRUE
1230 * Failure: FALSE
1231 */
1232 static BOOL tls1_p(HCRYPTHASH hHMAC, CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1233 {
1234 CRYPTHASH *pHMAC;
1235 BYTE abAi[RSAENH_MAX_HASH_SIZE];
1236 DWORD i = 0;
1237
1238 if (!lookup_handle(&handle_table, hHMAC, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pHMAC)) {
1239 SetLastError(NTE_BAD_HASH);
1240 return FALSE;
1241 }
1242
1243 /* compute A_1 = HMAC(seed) */
1244 init_hash(pHMAC);
1245 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1246 finalize_hash(pHMAC);
1247 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1248
1249 do {
1250 /* compute HMAC(A_i + seed) */
1251 init_hash(pHMAC);
1252 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1253 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1254 finalize_hash(pHMAC);
1255
1256 /* pseudo random stream := CONCAT_{i=1..n} ( HMAC(A_i + seed) ) */
1257 do {
1258 if (i >= dwBufferLen) break;
1259 pbBuffer[i] ^= pHMAC->abHashValue[i % pHMAC->dwHashSize];
1260 i++;
1261 } while (i % pHMAC->dwHashSize);
1262
1263 /* compute A_{i+1} = HMAC(A_i) */
1264 init_hash(pHMAC);
1265 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1266 finalize_hash(pHMAC);
1267 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1268 } while (i < dwBufferLen);
1269
1270 return TRUE;
1271 }
1272
1273 /******************************************************************************
1274 * tls1_prf [Internal]
1275 *
1276 * TLS1 pseudo random function as specified in RFC 2246, chapter 5
1277 *
1278 * PARAMS
1279 * hProv [I] Key container used to compute the pseudo random stream
1280 * hSecret [I] Key that holds the (pre-)master secret
1281 * pblobLabel [I] Descriptive label
1282 * pblobSeed [I] Seed value
1283 * pbBuffer [O] Pseudo random numbers will be stored here
1284 * dwBufferLen [I] Number of pseudo random bytes desired
1285 *
1286 * RETURNS
1287 * Success: TRUE
1288 * Failure: FALSE
1289 */
1290 static BOOL tls1_prf(HCRYPTPROV hProv, HCRYPTPROV hSecret, CONST PCRYPT_DATA_BLOB pblobLabel,
1291 CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1292 {
1293 HMAC_INFO hmacInfo = { 0, NULL, 0, NULL, 0 };
1294 HCRYPTHASH hHMAC = (HCRYPTHASH)INVALID_HANDLE_VALUE;
1295 HCRYPTKEY hHalfSecret = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1296 CRYPTKEY *pHalfSecret, *pSecret;
1297 DWORD dwHalfSecretLen;
1298 BOOL result = FALSE;
1299 CRYPT_DATA_BLOB blobLabelSeed;
1300
1301 TRACE("(hProv=%08lx, hSecret=%08lx, pblobLabel=%p, pblobSeed=%p, pbBuffer=%p, dwBufferLen=%d)\n",
1302 hProv, hSecret, pblobLabel, pblobSeed, pbBuffer, dwBufferLen);
1303
1304 if (!lookup_handle(&handle_table, hSecret, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSecret)) {
1305 SetLastError(NTE_FAIL);
1306 return FALSE;
1307 }
1308
1309 dwHalfSecretLen = (pSecret->dwKeyLen+1)/2;
1310
1311 /* concatenation of the label and the seed */
1312 if (!concat_data_blobs(&blobLabelSeed, pblobLabel, pblobSeed)) goto exit;
1313
1314 /* zero out the buffer, since two random streams will be xor'ed into it. */
1315 memset(pbBuffer, 0, dwBufferLen);
1316
1317 /* build a 'fake' key, to hold the secret. CALG_SSL2_MASTER is used since it provides
1318 * the biggest range of valid key lengths. */
1319 hHalfSecret = new_key(hProv, CALG_SSL2_MASTER, MAKELONG(0,dwHalfSecretLen*8), &pHalfSecret);
1320 if (hHalfSecret == (HCRYPTKEY)INVALID_HANDLE_VALUE) goto exit;
1321
1322 /* Derive an HMAC_MD5 hash and call the helper function. */
1323 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue, dwHalfSecretLen);
1324 if (!RSAENH_CPCreateHash(hProv, CALG_HMAC, hHalfSecret, 0, &hHMAC)) goto exit;
1325 hmacInfo.HashAlgid = CALG_MD5;
1326 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1327 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1328
1329 /* Reconfigure to HMAC_SHA hash and call helper function again. */
1330 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue + (pSecret->dwKeyLen/2), dwHalfSecretLen);
1331 hmacInfo.HashAlgid = CALG_SHA;
1332 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1333 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1334
1335 result = TRUE;
1336 exit:
1337 release_handle(&handle_table, hHalfSecret, RSAENH_MAGIC_KEY);
1338 if (hHMAC != (HCRYPTHASH)INVALID_HANDLE_VALUE) RSAENH_CPDestroyHash(hProv, hHMAC);
1339 free_data_blob(&blobLabelSeed);
1340 return result;
1341 }
1342
1343 /******************************************************************************
1344 * pad_data [Internal]
1345 *
1346 * Helper function for data padding according to PKCS1 #2
1347 *
1348 * PARAMS
1349 * abData [I] The data to be padded
1350 * dwDataLen [I] Length of the data
1351 * abBuffer [O] Padded data will be stored here
1352 * dwBufferLen [I] Length of the buffer (also length of padded data)
1353 * dwFlags [I] Padding format (CRYPT_SSL2_FALLBACK)
1354 *
1355 * RETURN
1356 * Success: TRUE
1357 * Failure: FALSE (NTE_BAD_LEN, too much data to pad)
1358 */
1359 static BOOL pad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen,
1360 DWORD dwFlags)
1361 {
1362 DWORD i;
1363
1364 /* Ensure there is enough space for PKCS1 #2 padding */
1365 if (dwDataLen > dwBufferLen-11) {
1366 SetLastError(NTE_BAD_LEN);
1367 return FALSE;
1368 }
1369
1370 memmove(abBuffer + dwBufferLen - dwDataLen, abData, dwDataLen);
1371
1372 abBuffer[0] = 0x00;
1373 abBuffer[1] = RSAENH_PKC_BLOCKTYPE;
1374 for (i=2; i < dwBufferLen - dwDataLen - 1; i++)
1375 do gen_rand_impl(&abBuffer[i], 1); while (!abBuffer[i]);
1376 if (dwFlags & CRYPT_SSL2_FALLBACK)
1377 for (i-=8; i < dwBufferLen - dwDataLen - 1; i++)
1378 abBuffer[i] = 0x03;
1379 abBuffer[i] = 0x00;
1380
1381 return TRUE;
1382 }
1383
1384 /******************************************************************************
1385 * unpad_data [Internal]
1386 *
1387 * Remove the PKCS1 padding from RSA decrypted data
1388 *
1389 * PARAMS
1390 * abData [I] The padded data
1391 * dwDataLen [I] Length of the padded data
1392 * abBuffer [O] Data without padding will be stored here
1393 * dwBufferLen [I/O] I: Length of the buffer, O: Length of unpadded data
1394 * dwFlags [I] Currently none defined
1395 *
1396 * RETURNS
1397 * Success: TRUE
1398 * Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small)
1399 */
1400 static BOOL unpad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen,
1401 DWORD dwFlags)
1402 {
1403 DWORD i;
1404
1405 for (i=2; i<dwDataLen; i++)
1406 if (!abData[i])
1407 break;
1408
1409 if ((i == dwDataLen) || (*dwBufferLen < dwDataLen - i - 1) ||
1410 (abData[0] != 0x00) || (abData[1] != RSAENH_PKC_BLOCKTYPE))
1411 {
1412 SetLastError(NTE_BAD_DATA);
1413 return FALSE;
1414 }
1415
1416 *dwBufferLen = dwDataLen - i - 1;
1417 memmove(abBuffer, abData + i + 1, *dwBufferLen);
1418 return TRUE;
1419 }
1420
1421 /******************************************************************************
1422 * CPAcquireContext (RSAENH.@)
1423 *
1424 * Acquire a handle to the key container specified by pszContainer
1425 *
1426 * PARAMS
1427 * phProv [O] Pointer to the location the acquired handle will be written to.
1428 * pszContainer [I] Name of the desired key container. See Notes
1429 * dwFlags [I] Flags. See Notes.
1430 * pVTable [I] Pointer to a PVTableProvStruct containing callbacks.
1431 *
1432 * RETURNS
1433 * Success: TRUE
1434 * Failure: FALSE
1435 *
1436 * NOTES
1437 * If pszContainer is NULL or points to a zero length string the user's login
1438 * name will be used as the key container name.
1439 *
1440 * If the CRYPT_NEW_KEYSET flag is set in dwFlags a new keyset will be created.
1441 * If a keyset with the given name already exists, the function fails and sets
1442 * last error to NTE_EXISTS. If CRYPT_NEW_KEYSET is not set and the specified
1443 * key container does not exist, function fails and sets last error to
1444 * NTE_BAD_KEYSET.
1445 */
1446 BOOL WINAPI RSAENH_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
1447 DWORD dwFlags, PVTableProvStruc pVTable)
1448 {
1449 CHAR szKeyContainerName[MAX_PATH];
1450 CHAR szRegKey[MAX_PATH];
1451
1452 TRACE("(phProv=%p, pszContainer=%s, dwFlags=%08x, pVTable=%p)\n", phProv,
1453 debugstr_a(pszContainer), dwFlags, pVTable);
1454
1455 if (pszContainer && *pszContainer)
1456 {
1457 lstrcpynA(szKeyContainerName, pszContainer, MAX_PATH);
1458 }
1459 else
1460 {
1461 DWORD dwLen = sizeof(szKeyContainerName);
1462 if (!GetUserNameA(szKeyContainerName, &dwLen)) return FALSE;
1463 }
1464
1465 switch (dwFlags & (CRYPT_NEWKEYSET|CRYPT_VERIFYCONTEXT|CRYPT_DELETEKEYSET))
1466 {
1467 case 0:
1468 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1469 break;
1470
1471 case CRYPT_DELETEKEYSET:
1472 if (snprintf(szRegKey, MAX_PATH, RSAENH_REGKEY, szKeyContainerName) >= MAX_PATH) {
1473 SetLastError(NTE_BAD_KEYSET_PARAM);
1474 return FALSE;
1475 } else {
1476 if (!RegDeleteKeyA(HKEY_CURRENT_USER, szRegKey)) {
1477 SetLastError(ERROR_SUCCESS);
1478 return TRUE;
1479 } else {
1480 SetLastError(NTE_BAD_KEYSET);
1481 return FALSE;
1482 }
1483 }
1484 break;
1485
1486 case CRYPT_NEWKEYSET:
1487 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1488 if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1489 {
1490 release_handle(&handle_table, (unsigned int)*phProv, RSAENH_MAGIC_CONTAINER);
1491 TRACE("Can't create new keyset, already exists\n");
1492 SetLastError(NTE_EXISTS);
1493 return FALSE;
1494 }
1495 *phProv = new_key_container(szKeyContainerName, dwFlags, pVTable);
1496 break;
1497
1498 case CRYPT_VERIFYCONTEXT:
1499 if (pszContainer) {
1500 TRACE("pszContainer should be NULL\n");
1501 SetLastError(NTE_BAD_FLAGS);
1502 return FALSE;
1503 }
1504 *phProv = new_key_container("", dwFlags, pVTable);
1505 break;
1506
1507 default:
1508 *phProv = (unsigned int)INVALID_HANDLE_VALUE;
1509 SetLastError(NTE_BAD_FLAGS);
1510 return FALSE;
1511 }
1512
1513 if (*phProv != (unsigned int)INVALID_HANDLE_VALUE) {
1514 SetLastError(ERROR_SUCCESS);
1515 return TRUE;
1516 } else {
1517 return FALSE;
1518 }
1519 }
1520
1521 /******************************************************************************
1522 * CPCreateHash (RSAENH.@)
1523 *
1524 * CPCreateHash creates and initalizes a new hash object.
1525 *
1526 * PARAMS
1527 * hProv [I] Handle to the key container to which the new hash will belong.
1528 * Algid [I] Identifies the hash algorithm, which will be used for the hash.
1529 * hKey [I] Handle to a session key applied for keyed hashes.
1530 * dwFlags [I] Currently no flags defined. Must be zero.
1531 * phHash [O] Points to the location where a handle to the new hash will be stored.
1532 *
1533 * RETURNS
1534 * Success: TRUE
1535 * Failure: FALSE
1536 *
1537 * NOTES
1538 * hKey is a handle to a session key applied in keyed hashes like MAC and HMAC.
1539 * If a normal hash object is to be created (like e.g. MD2 or SHA1) hKey must be zero.
1540 */
1541 BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags,
1542 HCRYPTHASH *phHash)
1543 {
1544 CRYPTKEY *pCryptKey;
1545 CRYPTHASH *pCryptHash;
1546 const PROV_ENUMALGS_EX *peaAlgidInfo;
1547
1548 TRACE("(hProv=%08lx, Algid=%08x, hKey=%08lx, dwFlags=%08x, phHash=%p)\n", hProv, Algid, hKey,
1549 dwFlags, phHash);
1550
1551 peaAlgidInfo = get_algid_info(hProv, Algid);
1552 if (!peaAlgidInfo) return FALSE;
1553
1554 if (dwFlags)
1555 {
1556 SetLastError(NTE_BAD_FLAGS);
1557 return FALSE;
1558 }
1559
1560 if (Algid == CALG_MAC || Algid == CALG_HMAC || Algid == CALG_SCHANNEL_MASTER_HASH ||
1561 Algid == CALG_TLS1PRF)
1562 {
1563 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey)) {
1564 SetLastError(NTE_BAD_KEY);
1565 return FALSE;
1566 }
1567
1568 if ((Algid == CALG_MAC) && (GET_ALG_TYPE(pCryptKey->aiAlgid) != ALG_TYPE_BLOCK)) {
1569 SetLastError(NTE_BAD_KEY);
1570 return FALSE;
1571 }
1572
1573 if ((Algid == CALG_SCHANNEL_MASTER_HASH || Algid == CALG_TLS1PRF) &&
1574 (pCryptKey->aiAlgid != CALG_TLS1_MASTER))
1575 {
1576 SetLastError(NTE_BAD_KEY);
1577 return FALSE;
1578 }
1579
1580 if ((Algid == CALG_TLS1PRF) && (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY)) {
1581 SetLastError(NTE_BAD_KEY_STATE);
1582 return FALSE;
1583 }
1584 }
1585
1586 *phHash = (HCRYPTHASH)new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1587 destroy_hash, (OBJECTHDR**)&pCryptHash);
1588 if (!pCryptHash) return FALSE;
1589
1590 pCryptHash->aiAlgid = Algid;
1591 pCryptHash->hKey = hKey;
1592 pCryptHash->hProv = hProv;
1593 pCryptHash->dwState = RSAENH_HASHSTATE_IDLE;
1594 pCryptHash->pHMACInfo = (PHMAC_INFO)NULL;
1595 pCryptHash->dwHashSize = peaAlgidInfo->dwDefaultLen >> 3;
1596 init_data_blob(&pCryptHash->tpPRFParams.blobLabel);
1597 init_data_blob(&pCryptHash->tpPRFParams.blobSeed);
1598
1599 if (Algid == CALG_SCHANNEL_MASTER_HASH) {
1600 static const char keyex[] = "key expansion";
1601 BYTE key_expansion[sizeof keyex];
1602 CRYPT_DATA_BLOB blobRandom, blobKeyExpansion = { 13, key_expansion };
1603
1604 memcpy( key_expansion, keyex, sizeof keyex );
1605
1606 if (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY) {
1607 static const char msec[] = "master secret";
1608 BYTE master_secret[sizeof msec];
1609 CRYPT_DATA_BLOB blobLabel = { 13, master_secret };
1610 BYTE abKeyValue[48];
1611
1612 memcpy( master_secret, msec, sizeof msec );
1613
1614 /* See RFC 2246, chapter 8.1 */
1615 if (!concat_data_blobs(&blobRandom,
1616 &pCryptKey->siSChannelInfo.blobClientRandom,
1617 &pCryptKey->siSChannelInfo.blobServerRandom))
1618 {
1619 return FALSE;
1620 }
1621 tls1_prf(hProv, hKey, &blobLabel, &blobRandom, abKeyValue, 48);
1622 pCryptKey->dwState = RSAENH_KEYSTATE_MASTERKEY;
1623 memcpy(pCryptKey->abKeyValue, abKeyValue, 48);
1624 free_data_blob(&blobRandom);
1625 }
1626
1627 /* See RFC 2246, chapter 6.3 */
1628 if (!concat_data_blobs(&blobRandom,
1629 &pCryptKey->siSChannelInfo.blobServerRandom,
1630 &pCryptKey->siSChannelInfo.blobClientRandom))
1631 {
1632 return FALSE;
1633 }
1634 tls1_prf(hProv, hKey, &blobKeyExpansion, &blobRandom, pCryptHash->abHashValue,
1635 RSAENH_MAX_HASH_SIZE);
1636 free_data_blob(&blobRandom);
1637 }
1638
1639 return init_hash(pCryptHash);
1640 }
1641
1642 /******************************************************************************
1643 * CPDestroyHash (RSAENH.@)
1644 *
1645 * Releases the handle to a hash object. The object is destroyed if it's reference
1646 * count reaches zero.
1647 *
1648 * PARAMS
1649 * hProv [I] Handle to the key container to which the hash object belongs.
1650 * hHash [I] Handle to the hash object to be released.
1651 *
1652 * RETURNS
1653 * Success: TRUE
1654 * Failure: FALSE
1655 */
1656 BOOL WINAPI RSAENH_CPDestroyHash(HCRYPTPROV hProv, HCRYPTHASH hHash)
1657 {
1658 TRACE("(hProv=%08lx, hHash=%08lx)\n", hProv, hHash);
1659
1660 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1661 {
1662 SetLastError(NTE_BAD_UID);
1663 return FALSE;
1664 }
1665
1666 if (!release_handle(&handle_table, hHash, RSAENH_MAGIC_HASH))
1667 {
1668 SetLastError(NTE_BAD_HASH);
1669 return FALSE;
1670 }
1671
1672 return TRUE;
1673 }
1674
1675 /******************************************************************************
1676 * CPDestroyKey (RSAENH.@)
1677 *
1678 * Releases the handle to a key object. The object is destroyed if it's reference
1679 * count reaches zero.
1680 *
1681 * PARAMS
1682 * hProv [I] Handle to the key container to which the key object belongs.
1683 * hKey [I] Handle to the key object to be released.
1684 *
1685 * RETURNS
1686 * Success: TRUE
1687 * Failure: FALSE
1688 */
1689 BOOL WINAPI RSAENH_CPDestroyKey(HCRYPTPROV hProv, HCRYPTKEY hKey)
1690 {
1691 TRACE("(hProv=%08lx, hKey=%08lx)\n", hProv, hKey);
1692
1693 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1694 {
1695 SetLastError(NTE_BAD_UID);
1696 return FALSE;
1697 }
1698
1699 if (!release_handle(&handle_table, hKey, RSAENH_MAGIC_KEY))
1700 {
1701 SetLastError(NTE_BAD_KEY);
1702 return FALSE;
1703 }
1704
1705 return TRUE;
1706 }
1707
1708 /******************************************************************************
1709 * CPDuplicateHash (RSAENH.@)
1710 *
1711 * Clones a hash object including it's current state.
1712 *
1713 * PARAMS
1714 * hUID [I] Handle to the key container the hash belongs to.
1715 * hHash [I] Handle to the hash object to be cloned.
1716 * pdwReserved [I] Reserved. Must be NULL.
1717 * dwFlags [I] No flags are currently defined. Must be 0.
1718 * phHash [O] Handle to the cloned hash object.
1719 *
1720 * RETURNS
1721 * Success: TRUE.
1722 * Failure: FALSE.
1723 */
1724 BOOL WINAPI RSAENH_CPDuplicateHash(HCRYPTPROV hUID, HCRYPTHASH hHash, DWORD *pdwReserved,
1725 DWORD dwFlags, HCRYPTHASH *phHash)
1726 {
1727 CRYPTHASH *pSrcHash, *pDestHash;
1728
1729 TRACE("(hUID=%08lx, hHash=%08lx, pdwReserved=%p, dwFlags=%08x, phHash=%p)\n", hUID, hHash,
1730 pdwReserved, dwFlags, phHash);
1731
1732 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
1733 {
1734 SetLastError(NTE_BAD_UID);
1735 return FALSE;
1736 }
1737
1738 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pSrcHash))
1739 {
1740 SetLastError(NTE_BAD_HASH);
1741 return FALSE;
1742 }
1743
1744 if (!phHash || pdwReserved || dwFlags)
1745 {
1746 SetLastError(ERROR_INVALID_PARAMETER);
1747 return FALSE;
1748 }
1749
1750 *phHash = (HCRYPTHASH)new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1751 destroy_hash, (OBJECTHDR**)&pDestHash);
1752 if (*phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE)
1753 {
1754 memcpy(pDestHash, pSrcHash, sizeof(CRYPTHASH));
1755 duplicate_hash_impl(pSrcHash->aiAlgid, &pSrcHash->context, &pDestHash->context);
1756 copy_hmac_info(&pDestHash->pHMACInfo, pSrcHash->pHMACInfo);
1757 copy_data_blob(&pDestHash->tpPRFParams.blobLabel, &pSrcHash->tpPRFParams.blobLabel);
1758 copy_data_blob(&pDestHash->tpPRFParams.blobSeed, &pSrcHash->tpPRFParams.blobSeed);
1759 }
1760
1761 return *phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE;
1762 }
1763
1764 /******************************************************************************
1765 * CPDuplicateKey (RSAENH.@)
1766 *
1767 * Clones a key object including it's current state.
1768 *
1769 * PARAMS
1770 * hUID [I] Handle to the key container the hash belongs to.
1771 * hKey [I] Handle to the key object to be cloned.
1772 * pdwReserved [I] Reserved. Must be NULL.
1773 * dwFlags [I] No flags are currently defined. Must be 0.
1774 * phHash [O] Handle to the cloned key object.
1775 *
1776 * RETURNS
1777 * Success: TRUE.
1778 * Failure: FALSE.
1779 */
1780 BOOL WINAPI RSAENH_CPDuplicateKey(HCRYPTPROV hUID, HCRYPTKEY hKey, DWORD *pdwReserved,
1781 DWORD dwFlags, HCRYPTKEY *phKey)
1782 {
1783 CRYPTKEY *pSrcKey, *pDestKey;
1784
1785 TRACE("(hUID=%08lx, hKey=%08lx, pdwReserved=%p, dwFlags=%08x, phKey=%p)\n", hUID, hKey,
1786 pdwReserved, dwFlags, phKey);
1787
1788 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
1789 {
1790 SetLastError(NTE_BAD_UID);
1791 return FALSE;
1792 }
1793
1794 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSrcKey))
1795 {
1796 SetLastError(NTE_BAD_KEY);
1797 return FALSE;
1798 }
1799
1800 if (!phKey || pdwReserved || dwFlags)
1801 {
1802 SetLastError(ERROR_INVALID_PARAMETER);
1803 return FALSE;
1804 }
1805
1806 *phKey = (HCRYPTKEY)new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, destroy_key,
1807 (OBJECTHDR**)&pDestKey);
1808 if (*phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
1809 {
1810 memcpy(pDestKey, pSrcKey, sizeof(CRYPTKEY));
1811 copy_data_blob(&pDestKey->siSChannelInfo.blobServerRandom,
1812 &pSrcKey->siSChannelInfo.blobServerRandom);
1813 copy_data_blob(&pDestKey->siSChannelInfo.blobClientRandom,
1814 &pSrcKey->siSChannelInfo.blobClientRandom);
1815 duplicate_key_impl(pSrcKey->aiAlgid, &pSrcKey->context, &pDestKey->context);
1816 return TRUE;
1817 }
1818 else
1819 {
1820 return FALSE;
1821 }
1822 }
1823
1824 /******************************************************************************
1825 * CPEncrypt (RSAENH.@)
1826 *
1827 * Encrypt data.
1828 *
1829 * PARAMS
1830 * hProv [I] The key container hKey and hHash belong to.
1831 * hKey [I] The key used to encrypt the data.
1832 * hHash [I] An optional hash object for parallel hashing. See notes.
1833 * Final [I] Indicates if this is the last block of data to encrypt.
1834 * dwFlags [I] Currently no flags defined. Must be zero.
1835 * pbData [I/O] Pointer to the data to encrypt. Encrypted data will also be stored there.
1836 * pdwDataLen [I/O] I: Length of data to encrypt, O: Length of encrypted data.
1837 * dwBufLen [I] Size of the buffer at pbData.
1838 *
1839 * RETURNS
1840 * Success: TRUE.
1841 * Failure: FALSE.
1842 *
1843 * NOTES
1844 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
1845 * This is useful for message signatures.
1846 *
1847 * This function uses the standard WINAPI protocol for querying data of dynamic length.
1848 */
1849 BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
1850 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
1851 {
1852 CRYPTKEY *pCryptKey;
1853 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
1854 DWORD dwEncryptedLen, i, j, k;
1855
1856 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
1857 "pdwDataLen=%p, dwBufLen=%d)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen,
1858 dwBufLen);
1859
1860 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1861 {
1862 SetLastError(NTE_BAD_UID);
1863 return FALSE;
1864 }
1865
1866 if (dwFlags)
1867 {
1868 SetLastError(NTE_BAD_FLAGS);
1869 return FALSE;
1870 }
1871
1872 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
1873 {
1874 SetLastError(NTE_BAD_KEY);
1875 return FALSE;
1876 }
1877
1878 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
1879 pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
1880
1881 if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
1882 {
1883 SetLastError(NTE_BAD_DATA);
1884 return FALSE;
1885 }
1886
1887 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
1888 if (!RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
1889 }
1890
1891 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
1892 if (!Final && (*pdwDataLen % pCryptKey->dwBlockLen)) {
1893 SetLastError(NTE_BAD_DATA);
1894 return FALSE;
1895 }
1896
1897 dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen;
1898
1899 if (pbData == NULL) {
1900 *pdwDataLen = dwEncryptedLen;
1901 return TRUE;
1902 }
1903
1904 for (i=*pdwDataLen; i<dwEncryptedLen && i<dwBufLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen;
1905 *pdwDataLen = dwEncryptedLen;
1906
1907 if (*pdwDataLen > dwBufLen)
1908 {
1909 SetLastError(ERROR_MORE_DATA);
1910 return FALSE;
1911 }
1912
1913 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
1914 switch (pCryptKey->dwMode) {
1915 case CRYPT_MODE_ECB:
1916 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
1917 RSAENH_ENCRYPT);
1918 break;
1919
1920 case CRYPT_MODE_CBC:
1921 for (j=0; j<pCryptKey->dwBlockLen; j++) in[j] ^= pCryptKey->abChainVector[j];
1922 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
1923 RSAENH_ENCRYPT);
1924 memcpy(pCryptKey->abChainVector, out, pCryptKey->dwBlockLen);
1925 break;
1926
1927 case CRYPT_MODE_CFB:
1928 for (j=0; j<pCryptKey->dwBlockLen; j++) {
1929 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
1930 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
1931 out[j] = in[j] ^ o[0];
1932 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
1933 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
1934 pCryptKey->abChainVector[k] = out[j];
1935 }
1936 break;
1937
1938 default:
1939 SetLastError(NTE_BAD_ALGID);
1940 return FALSE;
1941 }
1942 memcpy(in, out, pCryptKey->dwBlockLen);
1943 }
1944 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
1945 if (pbData == NULL) {
1946 *pdwDataLen = dwBufLen;
1947 return TRUE;
1948 }
1949 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
1950 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
1951 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
1952 SetLastError(NTE_BAD_KEY);
1953 return FALSE;
1954 }
1955 if (!pbData) {
1956 *pdwDataLen = pCryptKey->dwBlockLen;
1957 return TRUE;
1958 }
1959 if (dwBufLen < pCryptKey->dwBlockLen) {
1960 SetLastError(ERROR_MORE_DATA);
1961 return FALSE;
1962 }
1963 if (!pad_data(pbData, *pdwDataLen, pbData, pCryptKey->dwBlockLen, dwFlags)) return FALSE;
1964 encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbData, pbData, RSAENH_ENCRYPT);
1965 *pdwDataLen = pCryptKey->dwBlockLen;
1966 Final = TRUE;
1967 } else {
1968 SetLastError(NTE_BAD_TYPE);
1969 return FALSE;
1970 }
1971
1972 if (Final) setup_key(pCryptKey);
1973
1974 return TRUE;
1975 }
1976
1977 /******************************************************************************
1978 * CPDecrypt (RSAENH.@)
1979 *
1980 * Decrypt data.
1981 *
1982 * PARAMS
1983 * hProv [I] The key container hKey and hHash belong to.
1984 * hKey [I] The key used to decrypt the data.
1985 * hHash [I] An optional hash object for parallel hashing. See notes.
1986 * Final [I] Indicates if this is the last block of data to decrypt.
1987 * dwFlags [I] Currently no flags defined. Must be zero.
1988 * pbData [I/O] Pointer to the data to decrypt. Plaintext will also be stored there.
1989 * pdwDataLen [I/O] I: Length of ciphertext, O: Length of plaintext.
1990 *
1991 * RETURNS
1992 * Success: TRUE.
1993 * Failure: FALSE.
1994 *
1995 * NOTES
1996 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
1997 * This is useful for message signatures.
1998 *
1999 * This function uses the standard WINAPI protocol for querying data of dynamic length.
2000 */
2001 BOOL WINAPI RSAENH_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2002 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2003 {
2004 CRYPTKEY *pCryptKey;
2005 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2006 DWORD i, j, k;
2007 DWORD dwMax;
2008
2009 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2010 "pdwDataLen=%p)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
2011
2012 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2013 {
2014 SetLastError(NTE_BAD_UID);
2015 return FALSE;
2016 }
2017
2018 if (dwFlags)
2019 {
2020 SetLastError(NTE_BAD_FLAGS);
2021 return FALSE;
2022 }
2023
2024 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2025 {
2026 SetLastError(NTE_BAD_KEY);
2027 return FALSE;
2028 }
2029
2030 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2031 pCryptKey->dwState = RSAENH_KEYSTATE_DECRYPTING;
2032
2033 if (pCryptKey->dwState != RSAENH_KEYSTATE_DECRYPTING)
2034 {
2035 SetLastError(NTE_BAD_DATA);
2036 return FALSE;
2037 }
2038
2039 dwMax=*pdwDataLen;
2040
2041 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2042 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2043 switch (pCryptKey->dwMode) {
2044 case CRYPT_MODE_ECB:
2045 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2046 RSAENH_DECRYPT);
2047 break;
2048
2049 case CRYPT_MODE_CBC:
2050 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2051 RSAENH_DECRYPT);
2052 for (j=0; j<pCryptKey->dwBlockLen; j++) out[j] ^= pCryptKey->abChainVector[j];
2053 memcpy(pCryptKey->abChainVector, in, pCryptKey->dwBlockLen);
2054 break;
2055
2056 case CRYPT_MODE_CFB:
2057 for (j=0; j<pCryptKey->dwBlockLen; j++) {
2058 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2059 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2060 out[j] = in[j] ^ o[0];
2061 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2062 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2063 pCryptKey->abChainVector[k] = in[j];
2064 }
2065 break;
2066
2067 default:
2068 SetLastError(NTE_BAD_ALGID);
2069 return FALSE;
2070 }
2071 memcpy(in, out, pCryptKey->dwBlockLen);
2072 }
2073 if (Final) *pdwDataLen -= pbData[*pdwDataLen-1];
2074
2075 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2076 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2077 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2078 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2079 SetLastError(NTE_BAD_KEY);
2080 return FALSE;
2081 }
2082 encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbData, pbData, RSAENH_DECRYPT);
2083 if (!unpad_data(pbData, pCryptKey->dwBlockLen, pbData, pdwDataLen, dwFlags)) return FALSE;
2084 Final = TRUE;
2085 } else {
2086 SetLastError(NTE_BAD_TYPE);
2087 return FALSE;
2088 }
2089
2090 if (Final) setup_key(pCryptKey);
2091
2092 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2093 if (*pdwDataLen>dwMax ||
2094 !RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2095 }
2096
2097 return TRUE;
2098 }
2099
2100 /******************************************************************************
2101 * CPExportKey (RSAENH.@)
2102 *
2103 * Export a key into a binary large object (BLOB).
2104 *
2105 * PARAMS
2106 * hProv [I] Key container from which a key is to be exported.
2107 * hKey [I] Key to be exported.
2108 * hPubKey [I] Key used to encrypt sensitive BLOB data.
2109 * dwBlobType [I] SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2110 * dwFlags [I] Currently none defined.
2111 * pbData [O] Pointer to a buffer where the BLOB will be written to.
2112 * pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2113 *
2114 * RETURNS
2115 * Success: TRUE.
2116 * Failure: FALSE.
2117 */
2118 BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubKey,
2119 DWORD dwBlobType, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2120 {
2121 CRYPTKEY *pCryptKey, *pPubKey;
2122 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2123 RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2124 ALG_ID *pAlgid = (ALG_ID*)(pBlobHeader+1);
2125 DWORD dwDataLen;
2126
2127 TRACE("(hProv=%08lx, hKey=%08lx, hPubKey=%08lx, dwBlobType=%08x, dwFlags=%08x, pbData=%p,"
2128 "pdwDataLen=%p)\n", hProv, hKey, hPubKey, dwBlobType, dwFlags, pbData, pdwDataLen);
2129
2130 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2131 {
2132 SetLastError(NTE_BAD_UID);
2133 return FALSE;
2134 }
2135
2136 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2137 {
2138 SetLastError(NTE_BAD_KEY);
2139 return FALSE;
2140 }
2141
2142 if (dwFlags & CRYPT_SSL2_FALLBACK) {
2143 if (pCryptKey->aiAlgid != CALG_SSL2_MASTER) {
2144 SetLastError(NTE_BAD_KEY);
2145 return FALSE;
2146 }
2147 }
2148
2149 switch ((BYTE)dwBlobType)
2150 {
2151 case SIMPLEBLOB:
2152 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey)){
2153 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error_code? */
2154 return FALSE;
2155 }
2156
2157 if (!(GET_ALG_CLASS(pCryptKey->aiAlgid)&(ALG_CLASS_DATA_ENCRYPT|ALG_CLASS_MSG_ENCRYPT))) {
2158 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2159 return FALSE;
2160 }
2161
2162 dwDataLen = sizeof(BLOBHEADER) + sizeof(ALG_ID) + pPubKey->dwBlockLen;
2163 if (pbData) {
2164 if (*pdwDataLen < dwDataLen) {
2165 SetLastError(ERROR_MORE_DATA);
2166 *pdwDataLen = dwDataLen;
2167 return FALSE;
2168 }
2169
2170 pBlobHeader->bType = SIMPLEBLOB;
2171 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2172 pBlobHeader->reserved = 0;
2173 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2174
2175 *pAlgid = pPubKey->aiAlgid;
2176
2177 if (!pad_data(pCryptKey->abKeyValue, pCryptKey->dwKeyLen, (BYTE*)(pAlgid+1),
2178 pPubKey->dwBlockLen, dwFlags))
2179 {
2180 return FALSE;
2181 }
2182
2183 encrypt_block_impl(pPubKey->aiAlgid, PK_PUBLIC, &pPubKey->context, (BYTE*)(pAlgid+1),
2184 (BYTE*)(pAlgid+1), RSAENH_ENCRYPT);
2185 }
2186 *pdwDataLen = dwDataLen;
2187 return TRUE;
2188
2189 case PUBLICKEYBLOB:
2190 if (is_valid_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY)) {
2191 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2192 return FALSE;
2193 }
2194
2195 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2196 SetLastError(NTE_BAD_KEY);
2197 return FALSE;
2198 }
2199
2200 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + pCryptKey->dwKeyLen;
2201 if (pbData) {
2202 if (*pdwDataLen < dwDataLen) {
2203 SetLastError(ERROR_MORE_DATA);
2204 *pdwDataLen = dwDataLen;
2205 return FALSE;
2206 }
2207
2208 pBlobHeader->bType = PUBLICKEYBLOB;
2209 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2210 pBlobHeader->reserved = 0;
2211 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2212
2213 pRSAPubKey->magic = RSAENH_MAGIC_RSA1;
2214 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2215
2216 export_public_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2217 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2218 }
2219 *pdwDataLen = dwDataLen;
2220 return TRUE;
2221
2222 case PRIVATEKEYBLOB:
2223 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2224 SetLastError(NTE_BAD_KEY);
2225 return FALSE;
2226 }
2227
2228 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2229 2 * pCryptKey->dwKeyLen + 5 * ((pCryptKey->dwKeyLen + 1) >> 1);
2230 if (pbData) {
2231 if (*pdwDataLen < dwDataLen) {
2232 SetLastError(ERROR_MORE_DATA);
2233 *pdwDataLen = dwDataLen;
2234 return FALSE;
2235 }
2236
2237 pBlobHeader->bType = PRIVATEKEYBLOB;
2238 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2239 pBlobHeader->reserved = 0;
2240 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2241
2242 pRSAPubKey->magic = RSAENH_MAGIC_RSA2;
2243 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2244
2245 export_private_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2246 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2247 }
2248 *pdwDataLen = dwDataLen;
2249 return TRUE;
2250
2251 default:
2252 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2253 return FALSE;
2254 }
2255 }
2256
2257 /******************************************************************************
2258 * CPImportKey (RSAENH.@)
2259 *
2260 * Import a BLOB'ed key into a key container.
2261 *
2262 * PARAMS
2263 * hProv [I] Key container into which the key is to be imported.
2264 * pbData [I] Pointer to a buffer which holds the BLOB.
2265 * dwDataLen [I] Length of data in buffer at pbData.
2266 * hPubKey [I] Key used to decrypt sensitive BLOB data.
2267 * dwFlags [I] Currently none defined.
2268 * phKey [O] Handle to the imported key.
2269 *
2270 * RETURNS
2271 * Success: TRUE.
2272 * Failure: FALSE.
2273 */
2274 BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
2275 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
2276 {
2277 KEYCONTAINER *pKeyContainer;
2278 CRYPTKEY *pCryptKey, *pPubKey;
2279 CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2280 CONST RSAPUBKEY *pRSAPubKey = (CONST RSAPUBKEY*)(pBlobHeader+1);
2281 CONST ALG_ID *pAlgid = (CONST ALG_ID*)(pBlobHeader+1);
2282 CONST BYTE *pbKeyStream = (CONST BYTE*)(pAlgid + 1);
2283 ALG_ID algID;
2284 BYTE *pbDecrypted;
2285 DWORD dwKeyLen;
2286 BOOL ret;
2287
2288 TRACE("(hProv=%08lx, pbData=%p, dwDataLen=%d, hPubKey=%08lx, dwFlags=%08x, phKey=%p)\n",
2289 hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
2290
2291 if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
2292 (OBJECTHDR**)&pKeyContainer))
2293 {
2294 SetLastError(NTE_BAD_UID);
2295 return FALSE;
2296 }
2297
2298 if (dwDataLen < sizeof(BLOBHEADER) ||
2299 pBlobHeader->bVersion != CUR_BLOB_VERSION ||
2300 pBlobHeader->reserved != 0)
2301 {
2302 SetLastError(NTE_BAD_DATA);
2303 return FALSE;
2304 }
2305
2306 switch (pBlobHeader->bType)
2307 {
2308 case PRIVATEKEYBLOB:
2309 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2310 (pRSAPubKey->magic != RSAENH_MAGIC_RSA2) ||
2311 (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2312 (2 * pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4))))
2313 {
2314 SetLastError(NTE_BAD_DATA);
2315 return FALSE;
2316 }
2317
2318 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2319 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2320 setup_key(pCryptKey);
2321 ret = import_private_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2322 pRSAPubKey->bitlen/8, pRSAPubKey->pubexp);
2323 if (ret) {
2324 switch (pBlobHeader->aiKeyAlg)
2325 {
2326 case AT_SIGNATURE:
2327 case CALG_RSA_SIGN:
2328 TRACE("installing signing key\n");
2329 RSAENH_CPDestroyKey(hProv, pKeyContainer->hSignatureKeyPair);
2330 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2331 (unsigned int*)&pKeyContainer->hSignatureKeyPair);
2332 break;
2333 case AT_KEYEXCHANGE:
2334 case CALG_RSA_KEYX:
2335 TRACE("installing key exchange key\n");
2336 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2337 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2338 (unsigned int*)&pKeyContainer->hKeyExchangeKeyPair);
2339 break;
2340 }
2341 }
2342 return ret;
2343
2344 case PUBLICKEYBLOB:
2345 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2346 (pRSAPubKey->magic != RSAENH_MAGIC_RSA1) ||
2347 (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + (pRSAPubKey->bitlen >> 3)))
2348 {
2349 SetLastError(NTE_BAD_DATA);
2350 return FALSE;
2351 }
2352
2353 /* Since this is a public key blob, only the public key is
2354 * available, so only signature verification is possible.
2355 */
2356 algID = pBlobHeader->aiKeyAlg;
2357 *phKey = new_key(hProv, algID, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2358 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2359 setup_key(pCryptKey);
2360 ret = import_public_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2361 pRSAPubKey->bitlen >> 3, pRSAPubKey->pubexp);
2362 if (ret) {
2363 switch (pBlobHeader->aiKeyAlg)
2364 {
2365 case AT_KEYEXCHANGE:
2366 case CALG_RSA_KEYX:
2367 TRACE("installing public key\n");
2368 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2369 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2370 (unsigned int*)&pKeyContainer->hKeyExchangeKeyPair);
2371 break;
2372 }
2373 }
2374 return ret;
2375
2376 case SIMPLEBLOB:
2377 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey) ||
2378 pPubKey->aiAlgid != CALG_RSA_KEYX)
2379 {
2380 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error code? */
2381 return FALSE;
2382 }
2383
2384 if (dwDataLen < sizeof(BLOBHEADER)+sizeof(ALG_ID)+pPubKey->dwBlockLen)
2385 {
2386 SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2387 return FALSE;
2388 }
2389
2390 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, pPubKey->dwBlockLen);
2391 if (!pbDecrypted) return FALSE;
2392 encrypt_block_impl(pPubKey->aiAlgid, PK_PRIVATE, &pPubKey->context, pbKeyStream, pbDecrypted,
2393 RSAENH_DECRYPT);
2394
2395 dwKeyLen = RSAENH_MAX_KEY_SIZE;
2396 if (!unpad_data(pbDecrypted, pPubKey->dwBlockLen, pbDecrypted, &dwKeyLen, dwFlags)) {
2397 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2398 return FALSE;
2399 }
2400
2401 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, dwKeyLen<<19, &pCryptKey);
2402 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2403 {
2404 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2405 return FALSE;
2406 }
2407 memcpy(pCryptKey->abKeyValue, pbDecrypted, dwKeyLen);
2408 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2409 setup_key(pCryptKey);
2410 return TRUE;
2411
2412 default:
2413 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2414 return FALSE;
2415 }
2416 }
2417
2418 /******************************************************************************
2419 * CPGenKey (RSAENH.@)
2420 *
2421 * Generate a key in the key container
2422 *
2423 * PARAMS
2424 * hProv [I] Key container for which a key is to be generated.
2425 * Algid [I] Crypto algorithm identifier for the key to be generated.
2426 * dwFlags [I] Upper 16 bits: Binary length of key. Lower 16 bits: Flags. See Notes
2427 * phKey [O] Handle to the generated key.
2428 *
2429 * RETURNS
2430 * Success: TRUE.
2431 * Failure: FALSE.
2432 *
2433 * FIXME
2434 * Flags currently not considered.
2435 *
2436 * NOTES
2437 * Private key-exchange- and signature-keys can be generated with Algid AT_KEYEXCHANGE
2438 * and AT_SIGNATURE values.
2439 */
2440 BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
2441 {
2442 KEYCONTAINER *pKeyContainer;
2443 CRYPTKEY *pCryptKey;
2444
2445 TRACE("(hProv=%08lx, aiAlgid=%d, dwFlags=%08x, phKey=%p)\n", hProv, Algid, dwFlags, phKey);
2446
2447 if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
2448 (OBJECTHDR**)&pKeyContainer))
2449 {
2450 /* MSDN: hProv not containing valid context handle */
2451 SetLastError(NTE_BAD_UID);
2452 return FALSE;
2453 }
2454
2455 switch (Algid)
2456 {
2457 case AT_SIGNATURE:
2458 case CALG_RSA_SIGN:
2459 *phKey = new_key(hProv, CALG_RSA_SIGN, dwFlags, &pCryptKey);
2460 if (pCryptKey) {
2461 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
2462 setup_key(pCryptKey);
2463 if (Algid == AT_SIGNATURE) {
2464 RSAENH_CPDestroyKey(hProv, pKeyContainer->hSignatureKeyPair);
2465 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2466 (unsigned int*)&pKeyContainer->hSignatureKeyPair);
2467 }
2468 }
2469 break;
2470
2471 case AT_KEYEXCHANGE:
2472 case CALG_RSA_KEYX:
2473 *phKey = new_key(hProv, CALG_RSA_KEYX, dwFlags, &pCryptKey);
2474 if (pCryptKey) {
2475 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
2476 setup_key(pCryptKey);
2477 if (Algid == AT_KEYEXCHANGE) {
2478 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2479 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2480 (unsigned int*)&pKeyContainer->hKeyExchangeKeyPair);
2481 }
2482 }
2483 break;
2484
2485 case CALG_RC2:
2486 case CALG_RC4:
2487 case CALG_DES:
2488 case CALG_3DES_112:
2489 case CALG_3DES:
2490 case CALG_PCT1_MASTER:
2491 case CALG_SSL2_MASTER:
2492 case CALG_SSL3_MASTER:
2493 case CALG_TLS1_MASTER:
2494 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
2495 if (pCryptKey) {
2496 gen_rand_impl(pCryptKey->abKeyValue, RSAENH_MAX_KEY_SIZE);
2497 switch (Algid) {
2498 case CALG_SSL3_MASTER:
2499 pCryptKey->abKeyValue[0] = RSAENH_SSL3_VERSION_MAJOR;
2500 pCryptKey->abKeyValue[1] = RSAENH_SSL3_VERSION_MINOR;
2501 break;
2502
2503 case CALG_TLS1_MASTER:
2504 pCryptKey->abKeyValue[0] = RSAENH_TLS1_VERSION_MAJOR;
2505 pCryptKey->abKeyValue[1] = RSAENH_TLS1_VERSION_MINOR;
2506 break;
2507 }
2508 setup_key(pCryptKey);
2509 }
2510 break;
2511
2512 default:
2513 /* MSDN: Algorithm not supported specified by Algid */
2514 SetLastError(NTE_BAD_ALGID);
2515 return FALSE;
2516 }
2517
2518 return *phKey != (unsigned int)INVALID_HANDLE_VALUE;
2519 }
2520
2521 /******************************************************************************
2522 * CPGenRandom (RSAENH.@)
2523 *
2524 * Generate a random byte stream.
2525 *
2526 * PARAMS
2527 * hProv [I] Key container that is used to generate random bytes.
2528 * dwLen [I] Specifies the number of requested random data bytes.
2529 * pbBuffer [O] Random bytes will be stored here.
2530 *
2531 * RETURNS
2532 * Success: TRUE
2533 * Failure: FALSE
2534 */
2535 BOOL WINAPI RSAENH_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
2536 {
2537 TRACE("(hProv=%08lx, dwLen=%d, pbBuffer=%p)\n", hProv, dwLen, pbBuffer);
2538
2539 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
2540 {
2541 /* MSDN: hProv not containing valid context handle */
2542 SetLastError(NTE_BAD_UID);
2543 return FALSE;
2544 }
2545
2546 return gen_rand_impl(pbBuffer, dwLen);
2547 }
2548
2549 /******************************************************************************
2550 * CPGetHashParam (RSAENH.@)
2551 *
2552 * Query parameters of an hash object.
2553 *
2554 * PARAMS
2555 * hProv [I] The kea container, which the hash belongs to.
2556 * hHash [I] The hash object that is to be queried.
2557 * dwParam [I] Specifies the parameter that is to be queried.
2558 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2559 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2560 * dwFlags [I] None currently defined.
2561 *
2562 * RETURNS
2563 * Success: TRUE
2564 * Failure: FALSE
2565 *
2566 * NOTES
2567 * Valid dwParams are: HP_ALGID, HP_HASHSIZE, HP_HASHVALUE. The hash will be
2568 * finalized if HP_HASHVALUE is queried.
2569 */
2570 BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
2571 DWORD *pdwDataLen, DWORD dwFlags)
2572 {
2573 CRYPTHASH *pCryptHash;
2574
2575 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
2576 hProv, hHash, dwParam, pbData, pdwDataLen, dwFlags);
2577
2578 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
2579 {
2580 SetLastError(NTE_BAD_UID);
2581 return FALSE;
2582 }
2583
2584 if (dwFlags)
2585 {
2586 SetLastError(NTE_BAD_FLAGS);
2587 return FALSE;
2588 }
2589
2590 if (!lookup_handle(&handle_table, (unsigned int)hHash, RSAENH_MAGIC_HASH,
2591 (OBJECTHDR**)&pCryptHash))
2592 {
2593 SetLastError(NTE_BAD_HASH);
2594 return FALSE;
2595 }
2596
2597 if (!pdwDataLen)
2598 {
2599 SetLastError(ERROR_INVALID_PARAMETER);
2600 return FALSE;
2601 }
2602
2603 switch (dwParam)
2604 {
2605 case HP_ALGID:
2606 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->aiAlgid,
2607 sizeof(ALG_ID));
2608
2609 case HP_HASHSIZE:
2610 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->dwHashSize,
2611 sizeof(DWORD));
2612
2613 case HP_HASHVAL:
2614 if (pCryptHash->aiAlgid == CALG_TLS1PRF) {
2615 return tls1_prf(hProv, pCryptHash->hKey, &pCryptHash->tpPRFParams.blobLabel,
2616 &pCryptHash->tpPRFParams.blobSeed, pbData, *pdwDataLen);
2617 }
2618
2619 if ( pbData == NULL ) {
2620 *pdwDataLen = pCryptHash->dwHashSize;
2621 return TRUE;
2622 }
2623
2624 if (pCryptHash->dwState == RSAENH_HASHSTATE_IDLE) {
2625 SetLastError(NTE_BAD_HASH_STATE);
2626 return FALSE;
2627 }
2628
2629 if (pbData && (pCryptHash->dwState != RSAENH_HASHSTATE_FINISHED))
2630 {
2631 finalize_hash(pCryptHash);
2632 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
2633 }
2634
2635 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pCryptHash->abHashValue,
2636 pCryptHash->dwHashSize);
2637
2638 default:
2639 SetLastError(NTE_BAD_TYPE);
2640 return FALSE;
2641 }
2642 }
2643
2644 /******************************************************************************
2645 * CPSetKeyParam (RSAENH.@)
2646 *
2647 * Set a parameter of a key object
2648 *
2649 * PARAMS
2650 * hProv [I] The key container to which the key belongs.
2651 * hKey [I] The key for which a parameter is to be set.
2652 * dwParam [I] Parameter type. See Notes.
2653 * pbData [I] Pointer to the parameter value.
2654 * dwFlags [I] Currently none defined.
2655 *
2656 * RETURNS
2657 * Success: TRUE.
2658 * Failure: FALSE.
2659 *
2660 * NOTES:
2661 * Defined dwParam types are:
2662 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
2663 * - KP_MODE_BITS: Shift width for cipher feedback mode. (Currently ignored by MS CSP's)
2664 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
2665 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
2666 * - KP_IV: Initialization vector
2667 */
2668 BOOL WINAPI RSAENH_CPSetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
2669 DWORD dwFlags)
2670 {
2671 CRYPTKEY *pCryptKey;
2672
2673 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, hKey,
2674 dwParam, pbData, dwFlags);
2675
2676 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
2677 {
2678 SetLastError(NTE_BAD_UID);
2679 return FALSE;
2680 }
2681
2682 if (dwFlags) {
2683 SetLastError(NTE_BAD_FLAGS);
2684 return FALSE;
2685 }
2686
2687 if (!lookup_handle(&handle_table, (unsigned int)hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2688 {
2689 SetLastError(NTE_BAD_KEY);
2690 return FALSE;
2691 }
2692
2693 switch (dwParam) {
2694 case KP_MODE:
2695 pCryptKey->dwMode = *(DWORD*)pbData;
2696 return TRUE;
2697
2698 case KP_MODE_BITS:
2699 pCryptKey->dwModeBits = *(DWORD*)pbData;
2700 return TRUE;
2701
2702 case KP_PERMISSIONS:
2703 pCryptKey->dwPermissions = *(DWORD*)pbData;
2704 return TRUE;
2705
2706 case KP_IV:
2707 memcpy(pCryptKey->abInitVector, pbData, pCryptKey->dwBlockLen);
2708 return TRUE;
2709
2710 case KP_SCHANNEL_ALG:
2711 switch (((PSCHANNEL_ALG)pbData)->dwUse) {
2712 case SCHANNEL_ENC_KEY:
2713 memcpy(&pCryptKey->siSChannelInfo.saEncAlg, pbData, sizeof(SCHANNEL_ALG));
2714 break;
2715
2716 case SCHANNEL_MAC_KEY:
2717 memcpy(&pCryptKey->siSChannelInfo.saMACAlg, pbData, sizeof(SCHANNEL_ALG));
2718 break;
2719
2720 default:
2721 SetLastError(NTE_FAIL); /* FIXME: error code */
2722 return FALSE;
2723 }
2724 return TRUE;
2725
2726 case KP_CLIENT_RANDOM:
2727 return copy_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom, (PCRYPT_DATA_BLOB)pbData);
2728
2729 case KP_SERVER_RANDOM:
2730 return copy_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom, (PCRYPT_DATA_BLOB)pbData);
2731
2732 default:
2733 SetLastError(NTE_BAD_TYPE);
2734 return FALSE;
2735 }
2736 }
2737
2738 /******************************************************************************
2739 * CPGetKeyParam (RSAENH.@)
2740 *
2741 * Query a key parameter.
2742 *
2743 * PARAMS
2744 * hProv [I] The key container, which the key belongs to.
2745 * hHash [I] The key object that is to be queried.
2746 * dwParam [I] Specifies the parameter that is to be queried.
2747 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2748 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2749 * dwFlags [I] None currently defined.
2750 *
2751 * RETURNS
2752 * Success: TRUE
2753 * Failure: FALSE
2754 *
2755 * NOTES
2756 * Defined dwParam types are:
2757 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
2758 * - KP_MODE_BITS: Shift width for cipher feedback mode.
2759 * (Currently ignored by MS CSP's - always eight)
2760 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
2761 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
2762 * - KP_IV: Initialization vector.
2763 * - KP_KEYLEN: Bitwidth of the key.
2764 * - KP_BLOCKLEN: Size of a block cipher block.
2765 * - KP_SALT: Salt value.
2766 */
2767 BOOL WINAPI RSAENH_CPGetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
2768 DWORD *pdwDataLen, DWORD dwFlags)
2769 {
2770 CRYPTKEY *pCryptKey;
2771 DWORD dwBitLen;
2772
2773 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p dwFlags=%08x)\n",
2774 hProv, hKey, dwParam, pbData, pdwDataLen, dwFlags);
2775
2776 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
2777 {
2778 SetLastError(NTE_BAD_UID);
2779 return FALSE;
2780 }
2781
2782 if (dwFlags) {
2783 SetLastError(NTE_BAD_FLAGS);
2784 return FALSE;
2785 }
2786
2787 if (!lookup_handle(&handle_table, (unsigned int)hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2788 {
2789 SetLastError(NTE_BAD_KEY);
2790 return FALSE;
2791 }
2792
2793 switch (dwParam)
2794 {
2795 case KP_IV:
2796 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pCryptKey->abInitVector,
2797 pCryptKey->dwBlockLen);
2798
2799 case KP_SALT:
2800 return copy_param(pbData, pdwDataLen,
2801 (CONST BYTE*)&pCryptKey->abKeyValue[pCryptKey->dwKeyLen], pCryptKey->dwSaltLen);
2802
2803 case KP_KEYLEN:
2804 dwBitLen = pCryptKey->dwKeyLen << 3;
2805 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwBitLen, sizeof(DWORD));
2806
2807 case KP_BLOCKLEN:
2808 dwBitLen = pCryptKey->dwBlockLen << 3;
2809 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwBitLen, sizeof(DWORD));
2810
2811 case KP_MODE:
2812 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwMode, sizeof(DWORD));
2813
2814 case KP_MODE_BITS:
2815 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwModeBits,
2816 sizeof(DWORD));
2817
2818 case KP_PERMISSIONS:
2819 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwPermissions,
2820 sizeof(DWORD));
2821
2822 case KP_ALGID:
2823 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->aiAlgid, sizeof(DWORD));
2824
2825 default:
2826 SetLastError(NTE_BAD_TYPE);
2827 return FALSE;
2828 }
2829 }
2830
2831 /******************************************************************************
2832 * CPGetProvParam (RSAENH.@)
2833 *
2834 * Query a CSP parameter.
2835 *
2836 * PARAMS
2837 * hProv [I] The key container that is to be queried.
2838 * dwParam [I] Specifies the parameter that is to be queried.
2839 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2840 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2841 * dwFlags [I] CRYPT_FIRST: Start enumeration (for PP_ENUMALGS{_EX}).
2842 *
2843 * RETURNS
2844 * Success: TRUE
2845 * Failure: FALSE
2846 * NOTES:
2847 * Defined dwParam types:
2848 * - PP_CONTAINER: Name of the key container.
2849 * - PP_NAME: Name of the cryptographic service provider.
2850 * - PP_SIG_KEYSIZE_INC: RSA signature keywidth granularity in bits.
2851 * - PP_KEYX_KEYSIZE_INC: RSA key-exchange keywidth granularity in bits.
2852 * - PP_ENUMALGS{_EX}: Query provider capabilities.
2853 */
2854 BOOL WINAPI RSAENH_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
2855 DWORD *pdwDataLen, DWORD dwFlags)
2856 {
2857 KEYCONTAINER *pKeyContainer;
2858 PROV_ENUMALGS provEnumalgs;
2859 DWORD dwTemp;
2860 CHAR szRSABase[MAX_PATH];
2861 HKEY hKey, hRootKey;
2862
2863 /* This is for dwParam 41, which does not seem to be documented
2864 * on MSDN. IE6 SP1 asks for it in the 'About' dialog, however.
2865 * Returning this BLOB seems to satisfy IE. The marked 0x00 seem
2866 * to be 'don't care's. If you know anything more specific about
2867 * provider parameter 41, please report to wine-devel@winehq.org */
2868 static CONST BYTE abWTF[96] = {
2869 0xb0, 0x25, 0x63, 0x86, 0x9c, 0xab, 0xb6, 0x37,
2870 0xe8, 0x82, /**/0x00,/**/ 0x72, 0x06, 0xb2, /**/0x00,/**/ 0x3b,
2871 0x60, 0x35, /**/0x00,/**/ 0x3b, 0x88, 0xce, /**/0x00,/**/ 0x82,
2872 0xbc, 0x7a, /**/0x00,/**/ 0xb7, 0x4f, 0x7e, /**/0x00,/**/ 0xde,
2873 0x92, 0xf1, /**/0x00,/**/ 0x83, 0xea, 0x5e, /**/0x00,/**/ 0xc8,
2874 0x12, 0x1e, 0xd4, 0x06, 0xf7, 0x66, /**/0x00,/**/ 0x01,
2875 0x29, 0xa4, /**/0x00,/**/ 0xf8, 0x24, 0x0c, /**/0x00,/**/ 0x33,
2876 0x06, 0x80, /**/0x00,/**/ 0x02, 0x46, 0x0b, /**/0x00,/**/ 0x6d,
2877 0x5b, 0xca, /**/0x00,/**/ 0x9a, 0x10, 0xf0, /**/0x00,/**/ 0x05,
2878 0x19, 0xd0, /**/0x00,/**/ 0x2c, 0xf6, 0x27, /**/0x00,/**/ 0xaa,
2879 0x7c, 0x6f, /**/0x00,/**/ 0xb9, 0xd8, 0x72, /**/0x00,/**/ 0x03,
2880 0xf3, 0x81, /**/0x00,/**/ 0xfa, 0xe8, 0x26, /**/0x00,/**/ 0xca
2881 };
2882
2883 TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
2884 hProv, dwParam, pbData, pdwDataLen, dwFlags);
2885
2886 if (!pdwDataLen) {
2887 SetLastError(ERROR_INVALID_PARAMETER);
2888 return FALSE;
2889 }
2890
2891 if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
2892 (OBJECTHDR**)&pKeyContainer))
2893 {
2894 /* MSDN: hProv not containing valid context handle */
2895 SetLastError(NTE_BAD_UID);
2896 return FALSE;
2897 }
2898
2899 switch (dwParam)
2900 {
2901 case PP_CONTAINER:
2902 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szName,
2903 strlen(pKeyContainer->szName)+1);
2904
2905 case PP_NAME:
2906 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szProvName,
2907 strlen(pKeyContainer->szProvName)+1);
2908
2909 case PP_SIG_KEYSIZE_INC:
2910 case PP_KEYX_KEYSIZE_INC:
2911 dwTemp = 8;
2912 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2913
2914 case PP_IMPTYPE:
2915 dwTemp = CRYPT_IMPL_SOFTWARE;
2916 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2917
2918 case PP_VERSION:
2919 dwTemp = 0x00000200;
2920 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2921
2922 case PP_ENUMCONTAINERS:
2923 if ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) pKeyContainer->dwEnumContainersCtr = 0;
2924
2925 if (!pbData) {
2926 *pdwDataLen = (DWORD)MAX_PATH + 1;
2927 return TRUE;
2928 }
2929
2930 sprintf(szRSABase, RSAENH_REGKEY, "");
2931
2932 if (dwFlags & CRYPT_MACHINE_KEYSET) {
2933 hRootKey = HKEY_LOCAL_MACHINE;
2934 } else {
2935 hRootKey = HKEY_CURRENT_USER;
2936 }
2937
2938 if (RegOpenKeyExA(hRootKey, szRSABase, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
2939 {
2940 SetLastError(ERROR_NO_MORE_ITEMS);
2941 return FALSE;
2942 }
2943
2944 dwTemp = *pdwDataLen;
2945 switch (RegEnumKeyExA(hKey, pKeyContainer->dwEnumContainersCtr, (LPSTR)pbData, &dwTemp,
2946 NULL, NULL, NULL, NULL))
2947 {
2948 case ERROR_MORE_DATA:
2949 *pdwDataLen = (DWORD)MAX_PATH + 1;
2950
2951 case ERROR_SUCCESS:
2952 pKeyContainer->dwEnumContainersCtr++;
2953 RegCloseKey(hKey);
2954 return TRUE;
2955
2956 case ERROR_NO_MORE_ITEMS:
2957 default:
2958 SetLastError(ERROR_NO_MORE_ITEMS);
2959 RegCloseKey(hKey);
2960 return FALSE;
2961 }
2962
2963 case PP_ENUMALGS:
2964 case PP_ENUMALGS_EX:
2965 if (((pKeyContainer->dwEnumAlgsCtr >= RSAENH_MAX_ENUMALGS-1) ||
2966 (!aProvEnumAlgsEx[pKeyContainer->dwPersonality]
2967 [pKeyContainer->dwEnumAlgsCtr+1].aiAlgid)) &&
2968 ((dwFlags & CRYPT_FIRST) != CRYPT_FIRST))
2969 {
2970 SetLastError(ERROR_NO_MORE_ITEMS);
2971 return FALSE;
2972 }
2973
2974 if (dwParam == PP_ENUMALGS) {
2975 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS)))
2976 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
2977 0 : pKeyContainer->dwEnumAlgsCtr+1;
2978
2979 provEnumalgs.aiAlgid = aProvEnumAlgsEx
2980 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].aiAlgid;
2981 provEnumalgs.dwBitLen = aProvEnumAlgsEx
2982 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwDefaultLen;
2983 provEnumalgs.dwNameLen = aProvEnumAlgsEx
2984 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwNameLen;
2985 memcpy(provEnumalgs.szName, aProvEnumAlgsEx
2986 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].szName,
2987 20*sizeof(CHAR));
2988
2989 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&provEnumalgs,
2990 sizeof(PROV_ENUMALGS));
2991 } else {
2992 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS_EX)))
2993 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
2994 0 : pKeyContainer->dwEnumAlgsCtr+1;
2995
2996 return copy_param(pbData, pdwDataLen,
2997 (CONST BYTE*)&aProvEnumAlgsEx
2998 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr],
2999 sizeof(PROV_ENUMALGS_EX));
3000 }
3001
3002 case 41: /* Undocumented. Asked for by IE About dialog */
3003 return copy_param(pbData, pdwDataLen, abWTF, sizeof(abWTF));
3004
3005 default:
3006 /* MSDN: Unknown parameter number in dwParam */
3007 SetLastError(NTE_BAD_TYPE);
3008 return FALSE;
3009 }
3010 }
3011
3012 /******************************************************************************
3013 * CPDeriveKey (RSAENH.@)
3014 *
3015 * Derives a key from a hash value.
3016 *
3017 * PARAMS
3018 * hProv [I] Key container for which a key is to be generated.
3019 * Algid [I] Crypto algorithm identifier for the key to be generated.
3020 * hBaseData [I] Hash from whose value the key will be derived.
3021 * dwFlags [I] See Notes.
3022 * phKey [O] The generated key.
3023 *
3024 * RETURNS
3025 * Success: TRUE
3026 * Failure: FALSE
3027 *
3028 * NOTES
3029 * Defined flags:
3030 * - CRYPT_EXPORTABLE: Key can be exported.
3031 * - CRYPT_NO_SALT: No salt is used for 40 bit keys.
3032 * - CRYPT_CREATE_SALT: Use remaining bits as salt value.
3033 */
3034 BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
3035 DWORD dwFlags, HCRYPTKEY *phKey)
3036 {
3037 CRYPTKEY *pCryptKey, *pMasterKey;
3038 CRYPTHASH *pCryptHash;
3039 BYTE abHashValue[RSAENH_MAX_HASH_SIZE*2];
3040 DWORD dwLen;
3041
3042 TRACE("(hProv=%08lx, Algid=%d, hBaseData=%08lx, dwFlags=%08x phKey=%p)\n", hProv, Algid,
3043 hBaseData, dwFlags, phKey);
3044
3045 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
3046 {
3047 SetLastError(NTE_BAD_UID);
3048 return FALSE;
3049 }
3050
3051 if (!lookup_handle(&handle_table, (unsigned int)hBaseData, RSAENH_MAGIC_HASH,
3052 (OBJECTHDR**)&pCryptHash))
3053 {
3054 SetLastError(NTE_BAD_HASH);
3055 return FALSE;
3056 }
3057
3058 if (!phKey)
3059 {
3060 SetLastError(ERROR_INVALID_PARAMETER);
3061 return FALSE;
3062 }
3063
3064 switch (GET_ALG_CLASS(Algid))
3065 {
3066 case ALG_CLASS_DATA_ENCRYPT:
3067 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3068 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3069
3070 /*
3071 * We derive the key material from the hash.
3072 * If the hash value is not large enough for the claimed key, we have to construct
3073 * a larger binary value based on the hash. This is documented in MSDN: CryptDeriveKey.
3074 */
3075 dwLen = RSAENH_MAX_HASH_SIZE;
3076 RSAENH_CPGetHashParam(pCryptHash->hProv, hBaseData, HP_HASHVAL, abHashValue, &dwLen, 0);
3077
3078 if (dwLen < pCryptKey->dwKeyLen) {
3079 BYTE pad1[RSAENH_HMAC_DEF_PAD_LEN], pad2[RSAENH_HMAC_DEF_PAD_LEN];
3080 BYTE old_hashval[RSAENH_MAX_HASH_SIZE];
3081 DWORD i;
3082
3083 memcpy(old_hashval, pCryptHash->abHashValue, RSAENH_MAX_HASH_SIZE);
3084
3085 for (i=0; i<RSAENH_HMAC_DEF_PAD_LEN; i++) {
3086 pad1[i] = RSAENH_HMAC_DEF_IPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3087 pad2[i] = RSAENH_HMAC_DEF_OPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3088 }
3089
3090 init_hash(pCryptHash);
3091 update_hash(pCryptHash, pad1, RSAENH_HMAC_DEF_PAD_LEN);
3092 finalize_hash(pCryptHash);
3093 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
3094
3095 init_hash(pCryptHash);
3096 update_hash(pCryptHash, pad2, RSAENH_HMAC_DEF_PAD_LEN);
3097 finalize_hash(pCryptHash);
3098 memcpy(abHashValue+pCryptHash->dwHashSize, pCryptHash->abHashValue,
3099 pCryptHash->dwHashSize);
3100
3101 memcpy(pCryptHash->abHashValue, old_hashval, RSAENH_MAX_HASH_SIZE);
3102 }
3103
3104 memcpy(pCryptKey->abKeyValue, abHashValue,
3105 RSAENH_MIN(pCryptKey->dwKeyLen, sizeof(pCryptKey->abKeyValue)));
3106 break;
3107
3108 case ALG_CLASS_MSG_ENCRYPT:
3109 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3110 (OBJECTHDR**)&pMasterKey))
3111 {
3112 SetLastError(NTE_FAIL); /* FIXME error code */
3113 return FALSE;
3114 }
3115
3116 switch (Algid)
3117 {
3118 /* See RFC 2246, chapter 6.3 Key calculation */
3119 case CALG_SCHANNEL_ENC_KEY:
3120 *phKey = new_key(hProv, pMasterKey->siSChannelInfo.saEncAlg.Algid,
3121 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saEncAlg.cBits),
3122 &pCryptKey);
3123 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3124 memcpy(pCryptKey->abKeyValue,
3125 pCryptHash->abHashValue + (
3126 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3127 ((dwFlags & CRYPT_SERVER) ?
3128 (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) : 0)),
3129 pMasterKey->siSChannelInfo.saEncAlg.cBits / 8);
3130 memcpy(pCryptKey->abInitVector,
3131 pCryptHash->abHashValue + (
3132 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3133 2 * (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) +
3134 ((dwFlags & CRYPT_SERVER) ? pCryptKey->dwBlockLen : 0)),
3135 pCryptKey->dwBlockLen);
3136 break;
3137
3138 case CALG_SCHANNEL_MAC_KEY:
3139 *phKey = new_key(hProv, Algid,
3140 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saMACAlg.cBits),
3141 &pCryptKey);
3142 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3143 memcpy(pCryptKey->abKeyValue,
3144 pCryptHash->abHashValue + ((dwFlags & CRYPT_SERVER) ?
3145 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8 : 0),
3146 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8);
3147 break;
3148
3149 default:
3150 SetLastError(NTE_BAD_ALGID);
3151 return FALSE;
3152 }
3153 break;
3154
3155 default:
3156 SetLastError(NTE_BAD_ALGID);
3157 return FALSE;
3158 }
3159
3160 setup_key(pCryptKey);
3161 return TRUE;
3162 }
3163
3164 /******************************************************************************
3165 * CPGetUserKey (RSAENH.@)
3166 *
3167 * Returns a handle to the user's private key-exchange- or signature-key.
3168 *
3169 * PARAMS
3170 * hProv [I] The key container from which a user key is requested.
3171 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
3172 * phUserKey [O] Handle to the requested key or INVALID_HANDLE_VALUE in case of failure.
3173 *
3174 * RETURNS
3175 * Success: TRUE.
3176 * Failure: FALSE.
3177 *
3178 * NOTE
3179 * A newly created key container does not contain private user key. Create them with CPGenKey.
3180 */
3181 BOOL WINAPI RSAENH_CPGetUserKey(HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
3182 {
3183 KEYCONTAINER *pKeyContainer;
3184
3185 TRACE("(hProv=%08lx, dwKeySpec=%08x, phUserKey=%p)\n", hProv, dwKeySpec, phUserKey);
3186
3187 if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
3188 (OBJECTHDR**)&pKeyContainer))
3189 {
3190 /* MSDN: hProv not containing valid context handle */
3191 SetLastError(NTE_BAD_UID);
3192 return FALSE;
3193 }
3194
3195 switch (dwKeySpec)
3196 {
3197 case AT_KEYEXCHANGE:
3198 copy_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
3199 (unsigned int*)phUserKey);
3200 break;
3201
3202 case AT_SIGNATURE:
3203 copy_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
3204 (unsigned int*)phUserKey);
3205 break;
3206
3207 default:
3208 *phUserKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
3209 }
3210
3211 if (*phUserKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
3212 {
3213 /* MSDN: dwKeySpec parameter specifies nonexistent key */
3214 SetLastError(NTE_NO_KEY);
3215 return FALSE;
3216 }
3217
3218 return TRUE;
3219 }
3220
3221 /******************************************************************************
3222 * CPHashData (RSAENH.@)
3223 *
3224 * Updates a hash object with the given data.
3225 *
3226 * PARAMS
3227 * hProv [I] Key container to which the hash object belongs.
3228 * hHash [I] Hash object which is to be updated.
3229 * pbData [I] Pointer to data with which the hash object is to be updated.
3230 * dwDataLen [I] Length of the data.
3231 * dwFlags [I] Currently none defined.
3232 *
3233 * RETURNS
3234 * Success: TRUE.
3235 * Failure: FALSE.
3236 *
3237 * NOTES
3238 * The actual hash value is queried with CPGetHashParam, which will finalize
3239 * the hash. Updating a finalized hash will fail with a last error NTE_BAD_HASH_STATE.
3240 */
3241 BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbData,
3242 DWORD dwDataLen, DWORD dwFlags)
3243 {
3244 CRYPTHASH *pCryptHash;
3245
3246 TRACE("(hProv=%08lx, hHash=%08lx, pbData=%p, dwDataLen=%d, dwFlags=%08x)\n",
3247 hProv, hHash, pbData, dwDataLen, dwFlags);
3248
3249 if (dwFlags)
3250 {
3251 SetLastError(NTE_BAD_FLAGS);
3252 return FALSE;
3253 }
3254
3255 if (!lookup_handle(&handle_table, (unsigned int)hHash, RSAENH_MAGIC_HASH,
3256 (OBJECTHDR**)&pCryptHash))
3257 {
3258 SetLastError(NTE_BAD_HASH);
3259 return FALSE;
3260 }
3261
3262 if (!get_algid_info(hProv, pCryptHash->aiAlgid) || pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
3263 {
3264 SetLastError(NTE_BAD_ALGID);
3265 return FALSE;
3266 }
3267
3268 if (pCryptHash->dwState == RSAENH_HASHSTATE_IDLE)
3269 pCryptHash->dwState = RSAENH_HASHSTATE_HASHING;
3270
3271 if (pCryptHash->dwState != RSAENH_HASHSTATE_HASHING)
3272 {
3273 SetLastError(NTE_BAD_HASH_STATE);
3274 return FALSE;
3275 }
3276
3277 update_hash(pCryptHash, pbData, dwDataLen);
3278 return TRUE;
3279 }
3280
3281 /******************************************************************************
3282 * CPHashSessionKey (RSAENH.@)
3283 *
3284 * Updates a hash object with the binary representation of a symmetric key.
3285 *
3286 * PARAMS
3287 * hProv [I] Key container to which the hash object belongs.
3288 * hHash [I] Hash object which is to be updated.
3289 * hKey [I] The symmetric key, whose binary value will be added to the hash.
3290 * dwFlags [I] CRYPT_LITTLE_ENDIAN, if the binary key value shall be interpreted as little endian.
3291 *
3292 * RETURNS
3293 * Success: TRUE.
3294 * Failure: FALSE.
3295 */
3296 BOOL WINAPI RSAENH_CPHashSessionKey(HCRYPTPROV hProv, HCRYPTHASH hHash, HCRYPTKEY hKey,
3297 DWORD dwFlags)
3298 {
3299 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE], bTemp;
3300 CRYPTKEY *pKey;
3301 DWORD i;
3302
3303 TRACE("(hProv=%08lx, hHash=%08lx, hKey=%08lx, dwFlags=%08x)\n", hProv, hHash, hKey, dwFlags);
3304
3305 if (!lookup_handle(&handle_table, (unsigned int)hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pKey) ||
3306 (GET_ALG_CLASS(pKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT))
3307 {
3308 SetLastError(NTE_BAD_KEY);
3309 return FALSE;
3310 }
3311
3312 if (dwFlags & ~CRYPT_LITTLE_ENDIAN) {
3313 SetLastError(NTE_BAD_FLAGS);
3314 return FALSE;
3315 }
3316
3317 memcpy(abKeyValue, pKey->abKeyValue, pKey->dwKeyLen);
3318 if (!(dwFlags & CRYPT_LITTLE_ENDIAN)) {
3319 for (i=0; i<pKey->dwKeyLen/2; i++) {
3320 bTemp = abKeyValue[i];
3321 abKeyValue[i] = abKeyValue[pKey->dwKeyLen-i-1];
3322 abKeyValue[pKey->dwKeyLen-i-1] = bTemp;
3323 }
3324 }
3325
3326 return RSAENH_CPHashData(hProv, hHash, abKeyValue, pKey->dwKeyLen, 0);
3327 }
3328
3329 /******************************************************************************
3330 * CPReleaseContext (RSAENH.@)
3331 *
3332 * Release a key container.
3333 *
3334 * PARAMS
3335 * hProv [I] Key container to be released.
3336 * dwFlags [I] Currently none defined.
3337 *
3338 * RETURNS
3339 * Success: TRUE
3340 * Failure: FALSE
3341 */
3342 BOOL WINAPI RSAENH_CPReleaseContext(HCRYPTPROV hProv, DWORD dwFlags)
3343 {
3344 TRACE("(hProv=%08lx, dwFlags=%08x)\n", hProv, dwFlags);
3345
3346 if (!release_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
3347 {
3348 /* MSDN: hProv not containing valid context handle */
3349 SetLastError(NTE_BAD_UID);
3350 return FALSE;
3351 }
3352
3353 if (dwFlags) {
3354 SetLastError(NTE_BAD_FLAGS);
3355 return FALSE;
3356 }
3357
3358 return TRUE;
3359 }
3360
3361 /******************************************************************************
3362 * CPSetHashParam (RSAENH.@)
3363 *
3364 * Set a parameter of a hash object
3365 *
3366 * PARAMS
3367 * hProv [I] The key container to which the key belongs.
3368 * hHash [I] The hash object for which a parameter is to be set.
3369 * dwParam [I] Parameter type. See Notes.
3370 * pbData [I] Pointer to the parameter value.
3371 * dwFlags [I] Currently none defined.
3372 *
3373 * RETURNS
3374 * Success: TRUE.
3375 * Failure: FALSE.
3376 *
3377 * NOTES
3378 * Currently only the HP_HMAC_INFO dwParam type is defined.
3379 * The HMAC_INFO struct will be deep copied into the hash object.
3380 * See Internet RFC 2104 for details on the HMAC algorithm.
3381 */
3382 BOOL WINAPI RSAENH_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam,
3383 BYTE *pbData, DWORD dwFlags)
3384 {
3385 CRYPTHASH *pCryptHash;
3386 CRYPTKEY *pCryptKey;
3387 int i;
3388
3389 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n",
3390 hProv, hHash, dwParam, pbData, dwFlags);
3391
3392 if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
3393 {
3394 SetLastError(NTE_BAD_UID);
3395 return FALSE;
3396 }
3397
3398 if (dwFlags) {
3399 SetLastError(NTE_BAD_FLAGS);
3400 return FALSE;
3401 }
3402
3403 if (!lookup_handle(&handle_table, (unsigned int)hHash, RSAENH_MAGIC_HASH,
3404 (OBJECTHDR**)&pCryptHash))
3405 {
3406 SetLastError(NTE_BAD_HASH);
3407 return FALSE;
3408 }
3409
3410 switch (dwParam) {
3411 case HP_HMAC_INFO:
3412 free_hmac_info(pCryptHash->pHMACInfo);
3413 if (!copy_hmac_info(&pCryptHash->pHMACInfo, (PHMAC_INFO)pbData)) return FALSE;
3414
3415 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3416 (OBJECTHDR**)&pCryptKey))
3417 {
3418 SetLastError(NTE_FAIL); /* FIXME: correct error code? */
3419 return FALSE;
3420 }
3421
3422 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbInnerString); i++) {
3423 pCryptHash->pHMACInfo->pbInnerString[i] ^= pCryptKey->abKeyValue[i];
3424 }
3425 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbOuterString); i++) {
3426 pCryptHash->pHMACInfo->pbOuterString[i] ^= pCryptKey->abKeyValue[i];
3427 }
3428
3429 init_hash(pCryptHash);
3430 return TRUE;
3431
3432 case HP_HASHVAL:
3433 memcpy(pCryptHash->abHashValue, pbData, pCryptHash->dwHashSize);
3434 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
3435 return TRUE;
3436
3437 case HP_TLS1PRF_SEED:
3438 return copy_data_blob(&pCryptHash->tpPRFParams.blobSeed, (PCRYPT_DATA_BLOB)pbData);
3439
3440 case HP_TLS1PRF_LABEL:
3441 return copy_data_blob(&pCryptHash->tpPRFParams.blobLabel, (PCRYPT_DATA_BLOB)pbData);
3442
3443 default:
3444 SetLastError(NTE_BAD_TYPE);
3445 return FALSE;
3446 }
3447 }
3448
3449 /******************************************************************************
3450 * CPSetProvParam (RSAENH.@)
3451 */
3452 BOOL WINAPI RSAENH_CPSetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
3453 {
3454 FIXME("(stub)\n");
3455 return FALSE;
3456 }
3457
3458 /******************************************************************************
3459 * CPSignHash (RSAENH.@)
3460 *
3461 * Sign a hash object
3462 *
3463 * PARAMS
3464 * hProv [I] The key container, to which the hash object belongs.
3465 * hHash [I] The hash object to be signed.
3466 * dwKeySpec [I] AT_SIGNATURE or AT_KEYEXCHANGE: Key used to generate the signature.
3467 * sDescription [I] Should be NULL for security reasons.
3468 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
3469 * pbSignature [O] Buffer, to which the signature will be stored. May be NULL to query SigLen.
3470 * pdwSigLen [I/O] Size of the buffer (in), Length of the signature (out)
3471 *
3472 * RETURNS
3473 * Success: TRUE
3474 * Failure: FALSE
3475 */
3476 BOOL WINAPI RSAENH_CPSignHash(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwKeySpec,
3477 LPCWSTR sDescription, DWORD dwFlags, BYTE *pbSignature,
3478 DWORD *pdwSigLen)
3479 {
3480 HCRYPTKEY hCryptKey;
3481 CRYPTKEY *pCryptKey;
3482 DWORD dwHashLen;
3483 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
3484 ALG_ID aiAlgid;
3485
3486 TRACE("(hProv=%08lx, hHash=%08lx, dwKeySpec=%08x, sDescription=%s, dwFlags=%08x, "
3487 "pbSignature=%p, pdwSigLen=%p)\n", hProv, hHash, dwKeySpec, debugstr_w(sDescription),
3488 dwFlags, pbSignature, pdwSigLen);
3489
3490 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
3491 SetLastError(NTE_BAD_FLAGS);
3492 return FALSE;
3493 }
3494
3495 if (!RSAENH_CPGetUserKey(hProv, dwKeySpec, &hCryptKey)) return FALSE;
3496
3497 if (!lookup_handle(&handle_table, (unsigned int)hCryptKey, RSAENH_MAGIC_KEY,
3498 (OBJECTHDR**)&pCryptKey))
3499 {
3500 SetLastError(NTE_NO_KEY);
3501 return FALSE;
3502 }
3503
3504 if (!pbSignature) {
3505 *pdwSigLen = pCryptKey->dwKeyLen;
3506 return TRUE;
3507 }
3508 if (pCryptKey->dwKeyLen > *pdwSigLen)
3509 {
3510 SetLastError(ERROR_MORE_DATA);
3511 *pdwSigLen = pCryptKey->dwKeyLen;
3512 return FALSE;
3513 }
3514 *pdwSigLen = pCryptKey->dwKeyLen;
3515
3516 if (sDescription) {
3517 if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
3518 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
3519 {
3520 return FALSE;
3521 }
3522 }
3523
3524 dwHashLen = sizeof(DWORD);
3525 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
3526
3527 dwHashLen = RSAENH_MAX_HASH_SIZE;
3528 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
3529
3530
3531 if (!build_hash_signature(pbSignature, *pdwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
3532 return FALSE;
3533 }
3534
3535 return encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbSignature, pbSignature, RSAENH_ENCRYPT);
3536 }
3537
3538 /******************************************************************************
3539 * CPVerifySignature (RSAENH.@)
3540 *
3541 * Verify the signature of a hash object.
3542 *
3543 * PARAMS
3544 * hProv [I] The key container, to which the hash belongs.
3545 * hHash [I] The hash for which the signature is verified.
3546 * pbSignature [I] The binary signature.
3547 * dwSigLen [I] Length of the signature BLOB.
3548 * hPubKey [I] Public key used to verify the signature.
3549 * sDescription [I] Should be NULL for security reasons.
3550 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
3551 *
3552 * RETURNS
3553 * Success: TRUE (Signature is valid)
3554 * Failure: FALSE (GetLastError() == NTE_BAD_SIGNATURE, if signature is invalid)
3555 */
3556 BOOL WINAPI RSAENH_CPVerifySignature(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbSignature,
3557 DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription,
3558 DWORD dwFlags)
3559 {
3560 BYTE *pbConstructed = NULL, *pbDecrypted = NULL;
3561 CRYPTKEY *pCryptKey;
3562 DWORD dwHashLen;
3563 ALG_ID aiAlgid;
3564 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
3565 BOOL res = FALSE;
3566
3567 TRACE("(hProv=%08lx, hHash=%08lx, pbSignature=%p, dwSigLen=%d, hPubKey=%08lx, sDescription=%s, "
3568 "dwFlags=%08x)\n", hProv, hHash, pbSignature, dwSigLen, hPubKey, debugstr_w(sDescription),
3569 dwFlags);
3570
3571 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
3572 SetLastError(NTE_BAD_FLAGS);
3573 return FALSE;
3574 }
3575
3576 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3577 {
3578 SetLastError(NTE_BAD_UID);
3579 return FALSE;
3580 }
3581
3582 if (!lookup_handle(&handle_table, (unsigned int)hPubKey, RSAENH_MAGIC_KEY,
3583 (OBJECTHDR**)&pCryptKey))
3584 {
3585 SetLastError(NTE_BAD_KEY);
3586 return FALSE;
3587 }
3588
3589 if (sDescription) {
3590 if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
3591 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
3592 {
3593 return FALSE;
3594 }
3595 }
3596
3597 dwHashLen = sizeof(DWORD);
3598 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
3599
3600 dwHashLen = RSAENH_MAX_HASH_SIZE;
3601 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
3602
3603 pbConstructed = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
3604 if (!pbConstructed) {
3605 SetLastError(NTE_NO_MEMORY);
3606 goto cleanup;
3607 }
3608
3609 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
3610 if (!pbDecrypted) {
3611 SetLastError(NTE_NO_MEMORY);
3612 goto cleanup;
3613 }
3614
3615 if (!encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbSignature, pbDecrypted,
3616 RSAENH_DECRYPT))
3617 {
3618 goto cleanup;
3619 }
3620
3621 if (!build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
3622 goto cleanup;
3623 }
3624
3625 if (memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
3626 SetLastError(NTE_BAD_SIGNATURE);
3627 goto cleanup;
3628 }
3629
3630 res = TRUE;
3631 cleanup:
3632 HeapFree(GetProcessHeap(), 0, pbConstructed);
3633 HeapFree(GetProcessHeap(), 0, pbDecrypted);
3634 return res;
3635 }
3636
3637 static const WCHAR szProviderKeys[4][97] = {
3638 { 'S','o','f','t','w','a','r','e','\\',
3639 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3640 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3641 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ','B','a','s',
3642 'e',' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3643 'o','v','i','d','e','r',' ','v','1','.','0',0 },
3644 { 'S','o','f','t','w','a','r','e','\\',
3645 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3646 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3647 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ',
3648 'E','n','h','a','n','c','e','d',
3649 ' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3650 'o','v','i','d','e','r',' ','v','1','.','0',0 },
3651 { 'S','o','f','t','w','a','r','e','\\',
3652 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3653 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3654 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ','S','t','r','o','n','g',
3655 ' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3656 'o','v','i','d','e','r',0 },
3657 { 'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
3658 'C','r','y','p','t','o','g','r','a','p','h','y','\\','D','e','f','a','u','l','t','s','\\',
3659 'P','r','o','v','i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ',
3660 'R','S','A',' ','S','C','h','a','n','n','e','l',' ',
3661 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r','o','v','i','d','e','r',0 }
3662 };
3663 static const WCHAR szDefaultKeys[2][65] = {
3664 { 'S','o','f','t','w','a','r','e','\\',
3665 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3666 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3667 'i','d','e','r',' ','T','y','p','e','s','\\','T','y','p','e',' ','0','0','1',0 },
3668 { 'S','o','f','t','w','a','r','e','\\',
3669 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3670 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3671 'i','d','e','r',' ','T','y','p','e','s','\\','T','y','p','e',' ','0','1','2',0 }
3672 };
3673
3674
3675 /******************************************************************************
3676 * DllRegisterServer (RSAENH.@)
3677 *
3678 * Dll self registration.
3679 *
3680 * PARAMS
3681 *
3682 * RETURNS
3683 * Success: S_OK.
3684 * Failure: != S_OK
3685 *
3686 * NOTES
3687 * Registers the following keys:
3688 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3689 * Microsoft Base Cryptographic Provider v1.0
3690 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3691 * Microsoft Enhanced Cryptographic Provider
3692 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3693 * Microsoft Strong Cryptographpic Provider
3694 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider Types\Type 001
3695 */
3696 HRESULT WINAPI DllRegisterServer(void)
3697 {
3698 HKEY key;
3699 DWORD dp;
3700 long apiRet;
3701 int i;
3702
3703 for (i=0; i<4; i++) {
3704 apiRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, szProviderKeys[i], 0, NULL,
3705 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &key, &dp);
3706
3707 if (apiRet == ERROR_SUCCESS)
3708 {
3709 if (dp == REG_CREATED_NEW_KEY)
3710 {
3711 static const WCHAR szImagePath[] = { 'I','m','a','g','e',' ','P','a','t','h',0 };
3712 static const WCHAR szRSABase[] = { 'r','s','a','e','n','h','.','d','l','l',0 };
3713 static const WCHAR szType[] = { 'T','y','p','e',0 };
3714 static const WCHAR szSignature[] = { 'S','i','g','n','a','t','u','r','e',0 };
3715 DWORD type = (i == 3) ? PROV_RSA_SCHANNEL : PROV_RSA_FULL;
3716 DWORD sign = 0xdeadbeef;
3717 RegSetValueExW(key, szImagePath, 0, REG_SZ, (const BYTE *)szRSABase,
3718 (lstrlenW(szRSABase) + 1) * sizeof(WCHAR));
3719 RegSetValueExW(key, szType, 0, REG_DWORD, (LPBYTE)&type, sizeof(type));
3720 RegSetValueExW(key, szSignature, 0, REG_BINARY, (LPBYTE)&sign, sizeof(sign));
3721 }
3722 RegCloseKey(key);
3723 }
3724 }
3725
3726 for (i=0; i<2; i++) {
3727 apiRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, szDefaultKeys[i], 0, NULL,
3728 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &key, &dp);
3729 if (apiRet == ERROR_SUCCESS)
3730 {
3731 if (dp == REG_CREATED_NEW_KEY)
3732 {
3733 static const WCHAR szName[] = { 'N','a','m','e',0 };
3734 static const WCHAR szRSAName[2][46] = {
3735 { 'M','i','c','r','o','s','o','f','t',' ', 'B','a','s','e',' ',
3736 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ',
3737 'P','r','o','v','i','d','e','r',' ','v','1','.','0',0 },
3738 { 'M','i','c','r','o','s','o','f','t',' ','R','S','A',' ',
3739 'S','C','h','a','n','n','e','l',' ',
3740 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ',
3741 'P','r','o','v','i','d','e','r',0 } };
3742 static const WCHAR szTypeName[] = { 'T','y','p','e','N','a','m','e',0 };
3743 static const WCHAR szRSATypeName[2][38] = {
3744 { 'R','S','A',' ','F','u','l','l',' ',
3745 '(','S','i','g','n','a','t','u','r','e',' ','a','n','d',' ',
3746 'K','e','y',' ','E','x','c','h','a','n','g','e',')',0 },
3747 { 'R','S','A',' ','S','C','h','a','n','n','e','l',0 } };
3748
3749 RegSetValueExW(key, szName, 0, REG_SZ,
3750 (const BYTE *)szRSAName[i], lstrlenW(szRSAName[i])*sizeof(WCHAR)+sizeof(WCHAR));
3751 RegSetValueExW(key, szTypeName, 0, REG_SZ,
3752 (const BYTE *)szRSATypeName[i], lstrlenW(szRSATypeName[i])*sizeof(WCHAR)+sizeof(WCHAR));
3753 }
3754 }
3755 RegCloseKey(key);
3756 }
3757
3758 return HRESULT_FROM_WIN32(apiRet);
3759 }
3760
3761 /******************************************************************************
3762 * DllUnregisterServer (RSAENH.@)
3763 *
3764 * Dll self unregistration.
3765 *
3766 * PARAMS
3767 *
3768 * RETURNS
3769 * Success: S_OK
3770 *
3771 * NOTES
3772 * For the relevant keys see DllRegisterServer.
3773 */
3774 HRESULT WINAPI DllUnregisterServer(void)
3775 {
3776 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[0]);
3777 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[1]);
3778 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[2]);
3779 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[3]);
3780 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szDefaultKeys[0]);
3781 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szDefaultKeys[1]);
3782 return S_OK;
3783 }
Maarten's multimedia branch