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[wine.git] / dlls / rsaenh / rsaenh.c
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1 /*
2 * dlls/rsaenh/rsaenh.c
3 * RSAENH - RSA encryption for Wine
5 * Copyright 2002 TransGaming Technologies (David Hammerton)
6 * Copyright 2004 Mike McCormack for CodeWeavers
7 * Copyright 2004, 2005 Michael Jung
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.
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.
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
24 #include "config.h"
25 #include "wine/port.h"
26 #include "wine/library.h"
27 #include "wine/debug.h"
29 #include <stdarg.h>
30 #include <stdio.h>
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winreg.h"
35 #include "wincrypt.h"
36 #include "handle.h"
37 #include "implglue.h"
38 #include "objbase.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
42 /******************************************************************************
43 * CRYPTHASH - hash objects
45 #define RSAENH_MAGIC_HASH 0x85938417u
46 #define RSAENH_MAX_HASH_SIZE 104
47 #define RSAENH_HASHSTATE_IDLE 0
48 #define RSAENH_HASHSTATE_HASHING 1
49 #define RSAENH_HASHSTATE_FINISHED 2
50 typedef struct _RSAENH_TLS1PRF_PARAMS
52 CRYPT_DATA_BLOB blobLabel;
53 CRYPT_DATA_BLOB blobSeed;
54 } RSAENH_TLS1PRF_PARAMS;
56 typedef struct tagCRYPTHASH
58 OBJECTHDR header;
59 ALG_ID aiAlgid;
60 HCRYPTKEY hKey;
61 HCRYPTPROV hProv;
62 DWORD dwHashSize;
63 DWORD dwState;
64 HASH_CONTEXT context;
65 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
66 PHMAC_INFO pHMACInfo;
67 RSAENH_TLS1PRF_PARAMS tpPRFParams;
68 } CRYPTHASH;
70 /******************************************************************************
71 * CRYPTKEY - key objects
73 #define RSAENH_MAGIC_KEY 0x73620457u
74 #define RSAENH_MAX_KEY_SIZE 48
75 #define RSAENH_MAX_BLOCK_SIZE 24
76 #define RSAENH_KEYSTATE_IDLE 0
77 #define RSAENH_KEYSTATE_ENCRYPTING 1
78 #define RSAENH_KEYSTATE_DECRYPTING 2
79 #define RSAENH_KEYSTATE_MASTERKEY 3
80 typedef struct _RSAENH_SCHANNEL_INFO
82 SCHANNEL_ALG saEncAlg;
83 SCHANNEL_ALG saMACAlg;
84 CRYPT_DATA_BLOB blobClientRandom;
85 CRYPT_DATA_BLOB blobServerRandom;
86 } RSAENH_SCHANNEL_INFO;
88 typedef struct tagCRYPTKEY
90 OBJECTHDR header;
91 ALG_ID aiAlgid;
92 HCRYPTPROV hProv;
93 DWORD dwMode;
94 DWORD dwModeBits;
95 DWORD dwPermissions;
96 DWORD dwKeyLen;
97 DWORD dwSaltLen;
98 DWORD dwBlockLen;
99 DWORD dwState;
100 KEY_CONTEXT context;
101 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE];
102 BYTE abInitVector[RSAENH_MAX_BLOCK_SIZE];
103 BYTE abChainVector[RSAENH_MAX_BLOCK_SIZE];
104 RSAENH_SCHANNEL_INFO siSChannelInfo;
105 } CRYPTKEY;
107 /******************************************************************************
108 * KEYCONTAINER - key containers
110 #define RSAENH_PERSONALITY_BASE 0u
111 #define RSAENH_PERSONALITY_STRONG 1u
112 #define RSAENH_PERSONALITY_ENHANCED 2u
113 #define RSAENH_PERSONALITY_SCHANNEL 3u
115 #define RSAENH_MAGIC_CONTAINER 0x26384993u
116 typedef struct tagKEYCONTAINER
118 OBJECTHDR header;
119 DWORD dwFlags;
120 DWORD dwPersonality;
121 DWORD dwEnumAlgsCtr;
122 DWORD dwEnumContainersCtr;
123 CHAR szName[MAX_PATH];
124 CHAR szProvName[MAX_PATH];
125 HCRYPTKEY hKeyExchangeKeyPair;
126 HCRYPTKEY hSignatureKeyPair;
127 } KEYCONTAINER;
129 /******************************************************************************
130 * Some magic constants
132 #define RSAENH_ENCRYPT 1
133 #define RSAENH_DECRYPT 0
134 #define RSAENH_HMAC_DEF_IPAD_CHAR 0x36
135 #define RSAENH_HMAC_DEF_OPAD_CHAR 0x5c
136 #define RSAENH_HMAC_DEF_PAD_LEN 64
137 #define RSAENH_DES_EFFECTIVE_KEYLEN 56
138 #define RSAENH_DES_STORAGE_KEYLEN 64
139 #define RSAENH_3DES112_EFFECTIVE_KEYLEN 112
140 #define RSAENH_3DES112_STORAGE_KEYLEN 128
141 #define RSAENH_3DES_EFFECTIVE_KEYLEN 168
142 #define RSAENH_3DES_STORAGE_KEYLEN 192
143 #define RSAENH_MAGIC_RSA2 0x32415352
144 #define RSAENH_MAGIC_RSA1 0x31415352
145 #define RSAENH_PKC_BLOCKTYPE 0x02
146 #define RSAENH_SSL3_VERSION_MAJOR 3
147 #define RSAENH_SSL3_VERSION_MINOR 0
148 #define RSAENH_TLS1_VERSION_MAJOR 3
149 #define RSAENH_TLS1_VERSION_MINOR 1
150 #define RSAENH_REGKEY "Software\\Wine\\Crypto\\RSA\\%s"
152 #define RSAENH_MIN(a,b) ((a)<(b)?(a):(b))
153 /******************************************************************************
154 * aProvEnumAlgsEx - Defines the capabilities of the CSP personalities.
156 #define RSAENH_MAX_ENUMALGS 20
157 #define RSAENH_PCT1_SSL2_SSL3_TLS1 (CRYPT_FLAG_PCT1|CRYPT_FLAG_SSL2|CRYPT_FLAG_SSL3|CRYPT_FLAG_TLS1)
158 static const PROV_ENUMALGS_EX aProvEnumAlgsEx[4][RSAENH_MAX_ENUMALGS+1] =
161 {CALG_RC2, 40, 40, 56,0, 4,"RC2", 24,"RSA Data Security's RC2"},
162 {CALG_RC4, 40, 40, 56,0, 4,"RC4", 24,"RSA Data Security's RC4"},
163 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
164 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
165 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
166 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
167 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
168 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
169 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
170 {CALG_RSA_SIGN, 512,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
171 {CALG_RSA_KEYX, 512,384, 1024,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
172 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
173 {0, 0, 0, 0,0, 1,"", 1,""}
176 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
177 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
178 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
179 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
180 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
181 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
182 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
183 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
184 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
185 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
186 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
187 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
188 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
189 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
190 {0, 0, 0, 0,0, 1,"", 1,""}
193 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
194 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
195 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
196 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
197 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
198 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
199 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
200 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
201 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
202 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
203 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
204 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
205 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
206 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
207 {0, 0, 0, 0,0, 1,"", 1,""}
210 {CALG_RC2, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC2", 24,"RSA Data Security's RC2"},
211 {CALG_RC4, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC4", 24,"RSA Data Security's RC4"},
212 {CALG_DES, 56, 56, 56,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"DES", 31,"Data Encryption Standard (DES)"},
213 {CALG_3DES_112, 112,112, 112,RSAENH_PCT1_SSL2_SSL3_TLS1,13,"3DES TWO KEY",19,"Two Key Triple DES"},
214 {CALG_3DES, 168,168, 168,RSAENH_PCT1_SSL2_SSL3_TLS1, 5,"3DES", 21,"Three Key Triple DES"},
215 {CALG_SHA,160,160,160,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,6,"SHA-1",30,"Secure Hash Algorithm (SHA-1)"},
216 {CALG_MD5,128,128,128,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,4,"MD5",23,"Message Digest 5 (MD5)"},
217 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
218 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
219 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_SIGN",14,"RSA Signature"},
220 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_KEYX",17,"RSA Key Exchange"},
221 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
222 {CALG_PCT1_MASTER,128,128,128,CRYPT_FLAG_PCT1, 12,"PCT1 MASTER",12,"PCT1 Master"},
223 {CALG_SSL2_MASTER,40,40, 192,CRYPT_FLAG_SSL2, 12,"SSL2 MASTER",12,"SSL2 Master"},
224 {CALG_SSL3_MASTER,384,384,384,CRYPT_FLAG_SSL3, 12,"SSL3 MASTER",12,"SSL3 Master"},
225 {CALG_TLS1_MASTER,384,384,384,CRYPT_FLAG_TLS1, 12,"TLS1 MASTER",12,"TLS1 Master"},
226 {CALG_SCHANNEL_MASTER_HASH,0,0,-1,0, 16,"SCH MASTER HASH",21,"SChannel Master Hash"},
227 {CALG_SCHANNEL_MAC_KEY,0,0,-1,0, 12,"SCH MAC KEY",17,"SChannel MAC Key"},
228 {CALG_SCHANNEL_ENC_KEY,0,0,-1,0, 12,"SCH ENC KEY",24,"SChannel Encryption Key"},
229 {CALG_TLS1PRF, 0, 0, -1,0, 9,"TLS1 PRF", 28,"TLS1 Pseudo Random Function"},
230 {0, 0, 0, 0,0, 1,"", 1,""}
234 /******************************************************************************
235 * API forward declarations
237 BOOL WINAPI
238 RSAENH_CPGetKeyParam(
239 HCRYPTPROV hProv,
240 HCRYPTKEY hKey,
241 DWORD dwParam,
242 BYTE *pbData,
243 DWORD *pdwDataLen,
244 DWORD dwFlags
247 BOOL WINAPI
248 RSAENH_CPEncrypt(
249 HCRYPTPROV hProv,
250 HCRYPTKEY hKey,
251 HCRYPTHASH hHash,
252 BOOL Final,
253 DWORD dwFlags,
254 BYTE *pbData,
255 DWORD *pdwDataLen,
256 DWORD dwBufLen
259 BOOL WINAPI
260 RSAENH_CPCreateHash(
261 HCRYPTPROV hProv,
262 ALG_ID Algid,
263 HCRYPTKEY hKey,
264 DWORD dwFlags,
265 HCRYPTHASH *phHash
268 BOOL WINAPI
269 RSAENH_CPSetHashParam(
270 HCRYPTPROV hProv,
271 HCRYPTHASH hHash,
272 DWORD dwParam,
273 BYTE *pbData, DWORD dwFlags
276 BOOL WINAPI
277 RSAENH_CPGetHashParam(
278 HCRYPTPROV hProv,
279 HCRYPTHASH hHash,
280 DWORD dwParam,
281 BYTE *pbData,
282 DWORD *pdwDataLen,
283 DWORD dwFlags
286 BOOL WINAPI
287 RSAENH_CPDestroyHash(
288 HCRYPTPROV hProv,
289 HCRYPTHASH hHash
292 BOOL WINAPI
293 RSAENH_CPExportKey(
294 HCRYPTPROV hProv,
295 HCRYPTKEY hKey,
296 HCRYPTKEY hPubKey,
297 DWORD dwBlobType,
298 DWORD dwFlags,
299 BYTE *pbData,
300 DWORD *pdwDataLen
303 BOOL WINAPI
304 RSAENH_CPImportKey(
305 HCRYPTPROV hProv,
306 CONST BYTE *pbData,
307 DWORD dwDataLen,
308 HCRYPTKEY hPubKey,
309 DWORD dwFlags,
310 HCRYPTKEY *phKey
313 BOOL WINAPI
314 RSAENH_CPHashData(
315 HCRYPTPROV hProv,
316 HCRYPTHASH hHash,
317 CONST BYTE *pbData,
318 DWORD dwDataLen,
319 DWORD dwFlags
322 /******************************************************************************
323 * CSP's handle table (used by all acquired key containers)
325 static HANDLETABLE handle_table;
327 /******************************************************************************
328 * DllMain (RSAENH.@)
330 * Initializes and destroys the handle table for the CSP's handles.
332 int WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
334 switch (fdwReason)
336 case DLL_PROCESS_ATTACH:
337 DisableThreadLibraryCalls(hInstance);
338 init_handle_table(&handle_table);
339 break;
341 case DLL_PROCESS_DETACH:
342 destroy_handle_table(&handle_table);
343 break;
345 return 1;
348 /******************************************************************************
349 * copy_param [Internal]
351 * Helper function that supports the standard WINAPI protocol for querying data
352 * of dynamic size.
354 * PARAMS
355 * pbBuffer [O] Buffer where the queried parameter is copied to, if it is large enough.
356 * May be NUL if the required buffer size is to be queried only.
357 * pdwBufferSize [I/O] In: Size of the buffer at pbBuffer
358 * Out: Size of parameter pbParam
359 * pbParam [I] Parameter value.
360 * dwParamSize [I] Size of pbParam
362 * RETURN
363 * Success: TRUE (pbParam was copied into pbBuffer or pbBuffer is NULL)
364 * Failure: FALSE (pbBuffer is not large enough to hold pbParam). Last error: ERROR_MORE_DATA
366 static inline BOOL copy_param(
367 BYTE *pbBuffer, DWORD *pdwBufferSize, CONST BYTE *pbParam, DWORD dwParamSize)
369 if (pbBuffer)
371 if (dwParamSize > *pdwBufferSize)
373 SetLastError(ERROR_MORE_DATA);
374 *pdwBufferSize = dwParamSize;
375 return FALSE;
377 memcpy(pbBuffer, pbParam, dwParamSize);
379 *pdwBufferSize = dwParamSize;
380 return TRUE;
383 /******************************************************************************
384 * get_algid_info [Internal]
386 * Query CSP capabilities for a given crypto algorithm.
388 * PARAMS
389 * hProv [I] Handle to a key container of the CSP whose capabilities are to be queried.
390 * algid [I] Identifier of the crypto algorithm about which information is requested.
392 * RETURNS
393 * Success: Pointer to a PROV_ENUMALGS_EX struct containing information about the crypto algorithm.
394 * Failure: NULL (algid not supported)
396 static inline const PROV_ENUMALGS_EX* get_algid_info(HCRYPTPROV hProv, ALG_ID algid) {
397 const PROV_ENUMALGS_EX *iterator;
398 KEYCONTAINER *pKeyContainer;
400 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
401 SetLastError(NTE_BAD_UID);
402 return NULL;
405 for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
406 if (iterator->aiAlgid == algid) return iterator;
409 SetLastError(NTE_BAD_ALGID);
410 return NULL;
413 /******************************************************************************
414 * copy_data_blob [Internal]
416 * deeply copies a DATA_BLOB
418 * PARAMS
419 * dst [O] That's where the blob will be copied to
420 * src [I] Source blob
422 * RETURNS
423 * Success: TRUE
424 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY
426 * NOTES
427 * Use free_data_blob to release resources occupied by copy_data_blob.
429 static inline BOOL copy_data_blob(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src) {
430 dst->pbData = HeapAlloc(GetProcessHeap(), 0, src->cbData);
431 if (!dst->pbData) {
432 SetLastError(NTE_NO_MEMORY);
433 return FALSE;
435 dst->cbData = src->cbData;
436 memcpy(dst->pbData, src->pbData, src->cbData);
437 return TRUE;
440 /******************************************************************************
441 * concat_data_blobs [Internal]
443 * Concatenates two blobs
445 * PARAMS
446 * dst [O] The new blob will be copied here
447 * src1 [I] Prefix blob
448 * src2 [I] Appendix blob
450 * RETURNS
451 * Success: TRUE
452 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY)
454 * NOTES
455 * Release resources occupied by concat_data_blobs with free_data_blobs
457 static inline BOOL concat_data_blobs(PCRYPT_DATA_BLOB dst, CONST PCRYPT_DATA_BLOB src1,
458 CONST PCRYPT_DATA_BLOB src2)
460 dst->cbData = src1->cbData + src2->cbData;
461 dst->pbData = HeapAlloc(GetProcessHeap(), 0, dst->cbData);
462 if (!dst->pbData) {
463 SetLastError(NTE_NO_MEMORY);
464 return FALSE;
466 memcpy(dst->pbData, src1->pbData, src1->cbData);
467 memcpy(dst->pbData + src1->cbData, src2->pbData, src2->cbData);
468 return TRUE;
471 /******************************************************************************
472 * free_data_blob [Internal]
474 * releases resource occupied by a dynamically allocated CRYPT_DATA_BLOB
476 * PARAMS
477 * pBlob [I] Heap space occupied by pBlob->pbData is released
479 static inline void free_data_blob(PCRYPT_DATA_BLOB pBlob) {
480 HeapFree(GetProcessHeap(), 0, pBlob->pbData);
483 /******************************************************************************
484 * init_data_blob [Internal]
486 static inline void init_data_blob(PCRYPT_DATA_BLOB pBlob) {
487 pBlob->pbData = NULL;
488 pBlob->cbData = 0;
491 /******************************************************************************
492 * free_hmac_info [Internal]
494 * Deeply free an HMAC_INFO struct.
496 * PARAMS
497 * hmac_info [I] Pointer to the HMAC_INFO struct to be freed.
499 * NOTES
500 * See Internet RFC 2104 for details on the HMAC algorithm.
502 static inline void free_hmac_info(PHMAC_INFO hmac_info) {
503 if (!hmac_info) return;
504 HeapFree(GetProcessHeap(), 0, hmac_info->pbInnerString);
505 HeapFree(GetProcessHeap(), 0, hmac_info->pbOuterString);
506 HeapFree(GetProcessHeap(), 0, hmac_info);
509 /******************************************************************************
510 * copy_hmac_info [Internal]
512 * Deeply copy an HMAC_INFO struct
514 * PARAMS
515 * dst [O] Pointer to a location where the pointer to the HMAC_INFO copy will be stored.
516 * src [I] Pointer to the HMAC_INFO struct to be copied.
518 * RETURNS
519 * Success: TRUE
520 * Failure: FALSE
522 * NOTES
523 * See Internet RFC 2104 for details on the HMAC algorithm.
525 static BOOL copy_hmac_info(PHMAC_INFO *dst, PHMAC_INFO src) {
526 if (!src) return FALSE;
527 *dst = HeapAlloc(GetProcessHeap(), 0, sizeof(HMAC_INFO));
528 if (!*dst) return FALSE;
529 memcpy(*dst, src, sizeof(HMAC_INFO));
530 (*dst)->pbInnerString = NULL;
531 (*dst)->pbOuterString = NULL;
532 if ((*dst)->cbInnerString == 0) (*dst)->cbInnerString = RSAENH_HMAC_DEF_PAD_LEN;
533 (*dst)->pbInnerString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbInnerString);
534 if (!(*dst)->pbInnerString) {
535 free_hmac_info(*dst);
536 return FALSE;
538 if (src->cbInnerString)
539 memcpy((*dst)->pbInnerString, src->pbInnerString, src->cbInnerString);
540 else
541 memset((*dst)->pbInnerString, RSAENH_HMAC_DEF_IPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
542 if ((*dst)->cbOuterString == 0) (*dst)->cbOuterString = RSAENH_HMAC_DEF_PAD_LEN;
543 (*dst)->pbOuterString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbOuterString);
544 if (!(*dst)->pbOuterString) {
545 free_hmac_info(*dst);
546 return FALSE;
548 if (src->cbOuterString)
549 memcpy((*dst)->pbOuterString, src->pbOuterString, src->cbOuterString);
550 else
551 memset((*dst)->pbOuterString, RSAENH_HMAC_DEF_OPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
552 return TRUE;
555 /******************************************************************************
556 * destroy_hash [Internal]
558 * Destructor for hash objects
560 * PARAMS
561 * pCryptHash [I] Pointer to the hash object to be destroyed.
562 * Will be invalid after function returns!
564 static void destroy_hash(OBJECTHDR *pObject)
566 CRYPTHASH *pCryptHash = (CRYPTHASH*)pObject;
568 free_hmac_info(pCryptHash->pHMACInfo);
569 free_data_blob(&pCryptHash->tpPRFParams.blobLabel);
570 free_data_blob(&pCryptHash->tpPRFParams.blobSeed);
571 HeapFree(GetProcessHeap(), 0, pCryptHash);
574 /******************************************************************************
575 * init_hash [Internal]
577 * Initialize (or reset) a hash object
579 * PARAMS
580 * pCryptHash [I] The hash object to be initialized.
582 static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
583 DWORD dwLen;
585 switch (pCryptHash->aiAlgid)
587 case CALG_HMAC:
588 if (pCryptHash->pHMACInfo) {
589 const PROV_ENUMALGS_EX *pAlgInfo;
591 pAlgInfo = get_algid_info(pCryptHash->hProv, pCryptHash->pHMACInfo->HashAlgid);
592 if (!pAlgInfo) return FALSE;
593 pCryptHash->dwHashSize = pAlgInfo->dwDefaultLen >> 3;
594 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
595 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
596 pCryptHash->pHMACInfo->pbInnerString,
597 pCryptHash->pHMACInfo->cbInnerString);
599 return TRUE;
601 case CALG_MAC:
602 dwLen = sizeof(DWORD);
603 RSAENH_CPGetKeyParam(pCryptHash->hProv, pCryptHash->hKey, KP_BLOCKLEN,
604 (BYTE*)&pCryptHash->dwHashSize, &dwLen, 0);
605 pCryptHash->dwHashSize >>= 3;
606 return TRUE;
608 default:
609 return init_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context);
613 /******************************************************************************
614 * update_hash [Internal]
616 * Hashes the given data and updates the hash object's state accordingly
618 * PARAMS
619 * pCryptHash [I] Hash object to be updated.
620 * pbData [I] Pointer to data stream to be hashed.
621 * dwDataLen [I] Length of data stream.
623 static inline void update_hash(CRYPTHASH *pCryptHash, CONST BYTE *pbData, DWORD dwDataLen) {
624 BYTE *pbTemp;
626 switch (pCryptHash->aiAlgid)
628 case CALG_HMAC:
629 if (pCryptHash->pHMACInfo)
630 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
631 pbData, dwDataLen);
632 break;
634 case CALG_MAC:
635 pbTemp = HeapAlloc(GetProcessHeap(), 0, dwDataLen);
636 if (!pbTemp) return;
637 memcpy(pbTemp, pbData, dwDataLen);
638 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, (HCRYPTHASH)NULL, FALSE, 0,
639 pbTemp, &dwDataLen, dwDataLen);
640 HeapFree(GetProcessHeap(), 0, pbTemp);
641 break;
643 default:
644 update_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pbData, dwDataLen);
648 /******************************************************************************
649 * finalize_hash [Internal]
651 * Finalizes the hash, after all data has been hashed with update_hash.
652 * No additional data can be hashed afterwards until the hash gets initialized again.
654 * PARAMS
655 * pCryptHash [I] Hash object to be finalized.
657 static inline void finalize_hash(CRYPTHASH *pCryptHash) {
658 DWORD dwDataLen;
660 switch (pCryptHash->aiAlgid)
662 case CALG_HMAC:
663 if (pCryptHash->pHMACInfo) {
664 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
666 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
667 pCryptHash->abHashValue);
668 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
669 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
670 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
671 pCryptHash->pHMACInfo->pbOuterString,
672 pCryptHash->pHMACInfo->cbOuterString);
673 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
674 abHashValue, pCryptHash->dwHashSize);
675 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
676 pCryptHash->abHashValue);
678 break;
680 case CALG_MAC:
681 dwDataLen = 0;
682 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, (HCRYPTHASH)NULL, TRUE, 0,
683 pCryptHash->abHashValue, &dwDataLen, pCryptHash->dwHashSize);
684 break;
686 default:
687 finalize_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pCryptHash->abHashValue);
691 /******************************************************************************
692 * destroy_key [Internal]
694 * Destructor for key objects
696 * PARAMS
697 * pCryptKey [I] Pointer to the key object to be destroyed.
698 * Will be invalid after function returns!
700 static void destroy_key(OBJECTHDR *pObject)
702 CRYPTKEY *pCryptKey = (CRYPTKEY*)pObject;
704 free_key_impl(pCryptKey->aiAlgid, &pCryptKey->context);
705 free_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
706 free_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
707 HeapFree(GetProcessHeap(), 0, pCryptKey);
710 /******************************************************************************
711 * setup_key [Internal]
713 * Initialize (or reset) a key object
715 * PARAMS
716 * pCryptKey [I] The key object to be initialized.
718 static inline void setup_key(CRYPTKEY *pCryptKey) {
719 pCryptKey->dwState = RSAENH_KEYSTATE_IDLE;
720 memcpy(pCryptKey->abChainVector, pCryptKey->abInitVector, sizeof(pCryptKey->abChainVector));
721 setup_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen,
722 pCryptKey->dwSaltLen, pCryptKey->abKeyValue);
725 /******************************************************************************
726 * new_key [Internal]
728 * Creates a new key object without assigning the actual binary key value.
729 * This is done by CPDeriveKey, CPGenKey or CPImportKey, which call this function.
731 * PARAMS
732 * hProv [I] Handle to the provider to which the created key will belong.
733 * aiAlgid [I] The new key shall use the crypto algorithm idenfied by aiAlgid.
734 * dwFlags [I] Upper 16 bits give the key length.
735 * Lower 16 bits: CRYPT_CREATE_SALT, CRYPT_NO_SALT
736 * ppCryptKey [O] Pointer to the created key
738 * RETURNS
739 * Success: Handle to the created key.
740 * Failure: INVALID_HANDLE_VALUE
742 static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey)
744 HCRYPTKEY hCryptKey;
745 CRYPTKEY *pCryptKey;
746 DWORD dwKeyLen = HIWORD(dwFlags);
747 const PROV_ENUMALGS_EX *peaAlgidInfo;
749 *ppCryptKey = NULL;
752 * Retrieve the CSP's capabilities for the given ALG_ID value
754 peaAlgidInfo = get_algid_info(hProv, aiAlgid);
755 if (!peaAlgidInfo) return (HCRYPTKEY)INVALID_HANDLE_VALUE;
758 * Assume the default key length, if none is specified explicitly
760 if (dwKeyLen == 0) dwKeyLen = peaAlgidInfo->dwDefaultLen;
763 * Check if the requested key length is supported by the current CSP.
764 * Adjust key length's for DES algorithms.
766 switch (aiAlgid) {
767 case CALG_DES:
768 if (dwKeyLen == RSAENH_DES_EFFECTIVE_KEYLEN) {
769 dwKeyLen = RSAENH_DES_STORAGE_KEYLEN;
771 if (dwKeyLen != RSAENH_DES_STORAGE_KEYLEN) {
772 SetLastError(NTE_BAD_FLAGS);
773 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
775 break;
777 case CALG_3DES_112:
778 if (dwKeyLen == RSAENH_3DES112_EFFECTIVE_KEYLEN) {
779 dwKeyLen = RSAENH_3DES112_STORAGE_KEYLEN;
781 if (dwKeyLen != RSAENH_3DES112_STORAGE_KEYLEN) {
782 SetLastError(NTE_BAD_FLAGS);
783 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
785 break;
787 case CALG_3DES:
788 if (dwKeyLen == RSAENH_3DES_EFFECTIVE_KEYLEN) {
789 dwKeyLen = RSAENH_3DES_STORAGE_KEYLEN;
791 if (dwKeyLen != RSAENH_3DES_STORAGE_KEYLEN) {
792 SetLastError(NTE_BAD_FLAGS);
793 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
795 break;
797 default:
798 if (dwKeyLen % 8 ||
799 dwKeyLen > peaAlgidInfo->dwMaxLen ||
800 dwKeyLen < peaAlgidInfo->dwMinLen)
802 SetLastError(NTE_BAD_FLAGS);
803 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
807 hCryptKey = (HCRYPTKEY)new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY,
808 destroy_key, (OBJECTHDR**)&pCryptKey);
809 if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
811 pCryptKey->aiAlgid = aiAlgid;
812 pCryptKey->hProv = hProv;
813 pCryptKey->dwModeBits = 0;
814 pCryptKey->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE |
815 CRYPT_MAC;
816 pCryptKey->dwKeyLen = dwKeyLen >> 3;
817 if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
818 pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen;
819 else
820 pCryptKey->dwSaltLen = 0;
821 memset(pCryptKey->abKeyValue, 0, sizeof(pCryptKey->abKeyValue));
822 memset(pCryptKey->abInitVector, 0, sizeof(pCryptKey->abInitVector));
823 init_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
824 init_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
826 switch(aiAlgid)
828 case CALG_PCT1_MASTER:
829 case CALG_SSL2_MASTER:
830 case CALG_SSL3_MASTER:
831 case CALG_TLS1_MASTER:
832 case CALG_RC4:
833 pCryptKey->dwBlockLen = 0;
834 pCryptKey->dwMode = 0;
835 break;
837 case CALG_RC2:
838 case CALG_DES:
839 case CALG_3DES_112:
840 case CALG_3DES:
841 pCryptKey->dwBlockLen = 8;
842 pCryptKey->dwMode = CRYPT_MODE_CBC;
843 break;
845 case CALG_RSA_KEYX:
846 case CALG_RSA_SIGN:
847 pCryptKey->dwBlockLen = dwKeyLen >> 3;
848 pCryptKey->dwMode = 0;
849 break;
852 *ppCryptKey = pCryptKey;
855 return hCryptKey;
858 /******************************************************************************
859 * destroy_key_container [Internal]
861 * Destructor for key containers.
863 * PARAMS
864 * pObjectHdr [I] Pointer to the key container to be destroyed.
866 static void destroy_key_container(OBJECTHDR *pObjectHdr)
868 KEYCONTAINER *pKeyContainer = (KEYCONTAINER*)pObjectHdr;
869 DATA_BLOB blobIn, blobOut;
870 CRYPTKEY *pKey;
871 CHAR szRSABase[MAX_PATH];
872 HKEY hKey, hRootKey;
873 DWORD dwLen;
874 BYTE *pbKey;
876 if (!(pKeyContainer->dwFlags & CRYPT_VERIFYCONTEXT)) {
877 /* On WinXP, persistent keys are stored in a file located at:
878 * $AppData$\\Microsoft\\Crypto\\RSA\\$SID$\\some_hex_string
880 sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
882 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) {
883 hRootKey = HKEY_LOCAL_MACHINE;
884 } else {
885 hRootKey = HKEY_CURRENT_USER;
888 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
889 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
890 if (RegCreateKeyExA(hRootKey, szRSABase, 0, NULL, REG_OPTION_NON_VOLATILE,
891 KEY_WRITE, NULL, &hKey, NULL) == ERROR_SUCCESS)
893 if (lookup_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
894 (OBJECTHDR**)&pKey))
896 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hKeyExchangeKeyPair, 0,
897 PRIVATEKEYBLOB, 0, 0, &dwLen))
899 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
900 if (pbKey)
902 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hKeyExchangeKeyPair, 0,
903 PRIVATEKEYBLOB, 0, pbKey, &dwLen))
905 blobIn.pbData = pbKey;
906 blobIn.cbData = dwLen;
908 if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
909 (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) ?
910 CRYPTPROTECT_LOCAL_MACHINE : 0,
911 &blobOut))
913 RegSetValueExA(hKey, "KeyExchangeKeyPair", 0, REG_BINARY,
914 blobOut.pbData, blobOut.cbData);
915 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
918 HeapFree(GetProcessHeap(), 0, pbKey);
921 release_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair,
922 RSAENH_MAGIC_KEY);
925 if (lookup_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
926 (OBJECTHDR**)&pKey))
928 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hSignatureKeyPair, 0,
929 PRIVATEKEYBLOB, 0, 0, &dwLen))
931 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
932 if (pbKey)
934 if (RSAENH_CPExportKey(pKey->hProv, pKeyContainer->hSignatureKeyPair, 0,
935 PRIVATEKEYBLOB, 0, pbKey, &dwLen))
937 blobIn.pbData = pbKey;
938 blobIn.cbData = dwLen;
940 if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
941 (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) ?
942 CRYPTPROTECT_LOCAL_MACHINE : 0,
943 &blobOut))
945 RegSetValueExA(hKey, "SignatureKeyPair", 0, REG_BINARY,
946 blobOut.pbData, blobOut.cbData);
947 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
950 HeapFree(GetProcessHeap(), 0, pbKey);
953 release_handle(&handle_table, pKeyContainer->hSignatureKeyPair,
954 RSAENH_MAGIC_KEY);
957 RegCloseKey(hKey);
961 HeapFree( GetProcessHeap(), 0, pKeyContainer );
964 /******************************************************************************
965 * new_key_container [Internal]
967 * Create a new key container. The personality (RSA Base, Strong or Enhanced CP)
968 * of the CSP is determined via the pVTable->pszProvName string.
970 * PARAMS
971 * pszContainerName [I] Name of the key container.
972 * pVTable [I] Callback functions and context info provided by the OS
974 * RETURNS
975 * Success: Handle to the new key container.
976 * Failure: INVALID_HANDLE_VALUE
978 static HCRYPTPROV new_key_container(PCCH pszContainerName, DWORD dwFlags, PVTableProvStruc pVTable)
980 KEYCONTAINER *pKeyContainer;
981 HCRYPTPROV hKeyContainer;
983 hKeyContainer = (HCRYPTPROV)new_object(&handle_table, sizeof(KEYCONTAINER), RSAENH_MAGIC_CONTAINER,
984 destroy_key_container, (OBJECTHDR**)&pKeyContainer);
985 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
987 lstrcpynA(pKeyContainer->szName, pszContainerName, MAX_PATH);
988 pKeyContainer->dwFlags = dwFlags;
989 pKeyContainer->dwEnumAlgsCtr = 0;
990 pKeyContainer->hKeyExchangeKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
991 pKeyContainer->hSignatureKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
992 if (pVTable && pVTable->pszProvName) {
993 lstrcpynA(pKeyContainer->szProvName, pVTable->pszProvName, MAX_PATH);
994 if (!strcmp(pVTable->pszProvName, MS_DEF_PROV_A)) {
995 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_BASE;
996 } else if (!strcmp(pVTable->pszProvName, MS_ENHANCED_PROV_A)) {
997 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_ENHANCED;
998 } else if (!strcmp(pVTable->pszProvName, MS_DEF_RSA_SCHANNEL_PROV_A)) {
999 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_SCHANNEL;
1000 } else {
1001 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_STRONG;
1005 /* The new key container has to be inserted into the CSP immediately
1006 * after creation to be available for CPGetProvParam's PP_ENUMCONTAINERS. */
1007 if (!(dwFlags & CRYPT_VERIFYCONTEXT)) {
1008 CHAR szRSABase[MAX_PATH];
1009 HKEY hRootKey, hKey;
1011 sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
1013 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET) {
1014 hRootKey = HKEY_LOCAL_MACHINE;
1015 } else {
1016 hRootKey = HKEY_CURRENT_USER;
1019 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1020 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1021 RegCreateKeyA(hRootKey, szRSABase, &hKey);
1022 RegCloseKey(hKey);
1026 return hKeyContainer;
1029 /******************************************************************************
1030 * read_key_container [Internal]
1032 * Tries to read the persistent state of the key container (mainly the signature
1033 * and key exchange private keys) given by pszContainerName.
1035 * PARAMS
1036 * pszContainerName [I] Name of the key container to read from the registry
1037 * pVTable [I] Pointer to context data provided by the operating system
1039 * RETURNS
1040 * Success: Handle to the key container read from the registry
1041 * Failure: INVALID_HANDLE_VALUE
1043 static HCRYPTPROV read_key_container(PCHAR pszContainerName, DWORD dwFlags, PVTableProvStruc pVTable)
1045 CHAR szRSABase[MAX_PATH];
1046 BYTE *pbKey;
1047 HKEY hKey, hRootKey;
1048 DWORD dwValueType, dwLen;
1049 KEYCONTAINER *pKeyContainer;
1050 HCRYPTPROV hKeyContainer;
1051 DATA_BLOB blobIn, blobOut;
1052 HCRYPTKEY hCryptKey;
1054 sprintf(szRSABase, RSAENH_REGKEY, pszContainerName);
1056 if (dwFlags & CRYPT_MACHINE_KEYSET) {
1057 hRootKey = HKEY_LOCAL_MACHINE;
1058 } else {
1059 hRootKey = HKEY_CURRENT_USER;
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)
1066 SetLastError(NTE_BAD_KEYSET);
1067 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1070 hKeyContainer = new_key_container(pszContainerName, dwFlags, pVTable);
1071 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1073 if (!lookup_handle(&handle_table, hKeyContainer, RSAENH_MAGIC_CONTAINER,
1074 (OBJECTHDR**)&pKeyContainer))
1075 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1077 if (RegQueryValueExA(hKey, "KeyExchangeKeyPair", 0, &dwValueType, NULL, &dwLen) ==
1078 ERROR_SUCCESS)
1080 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1081 if (pbKey)
1083 if (RegQueryValueExA(hKey, "KeyExchangeKeyPair", 0, &dwValueType, pbKey, &dwLen) ==
1084 ERROR_SUCCESS)
1086 blobIn.pbData = pbKey;
1087 blobIn.cbData = dwLen;
1089 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1090 (dwFlags & CRYPT_MACHINE_KEYSET) ? CRYPTPROTECT_LOCAL_MACHINE : 0, &blobOut))
1092 if(RSAENH_CPImportKey(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1093 &hCryptKey))
1094 pKeyContainer->hKeyExchangeKeyPair = hCryptKey;
1095 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
1098 HeapFree(GetProcessHeap(), 0, pbKey);
1102 if (RegQueryValueExA(hKey, "SignatureKeyPair", 0, &dwValueType, NULL, &dwLen) ==
1103 ERROR_SUCCESS)
1105 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1106 if (pbKey)
1108 if (RegQueryValueExA(hKey, "SignatureKeyPair", 0, &dwValueType, pbKey, &dwLen) ==
1109 ERROR_SUCCESS)
1111 blobIn.pbData = pbKey;
1112 blobIn.cbData = dwLen;
1114 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1115 (dwFlags & CRYPT_MACHINE_KEYSET) ? CRYPTPROTECT_LOCAL_MACHINE : 0, &blobOut))
1117 if(RSAENH_CPImportKey(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1118 &hCryptKey))
1119 pKeyContainer->hSignatureKeyPair = hCryptKey;
1120 HeapFree(GetProcessHeap(), 0, blobOut.pbData);
1123 HeapFree(GetProcessHeap(), 0, pbKey);
1128 return hKeyContainer;
1131 /******************************************************************************
1132 * build_hash_signature [Internal]
1134 * Builds a padded version of a hash to match the length of the RSA key modulus.
1136 * PARAMS
1137 * pbSignature [O] The padded hash object is stored here.
1138 * dwLen [I] Length of the pbSignature buffer.
1139 * aiAlgid [I] Algorithm identifier of the hash to be padded.
1140 * abHashValue [I] The value of the hash object.
1141 * dwHashLen [I] Length of the hash value.
1142 * dwFlags [I] Selection of padding algorithm.
1144 * RETURNS
1145 * Success: TRUE
1146 * Failure: FALSE (NTE_BAD_ALGID)
1148 static BOOL build_hash_signature(BYTE *pbSignature, DWORD dwLen, ALG_ID aiAlgid,
1149 CONST BYTE *abHashValue, DWORD dwHashLen, DWORD dwFlags)
1151 /* These prefixes are meant to be concatenated with hash values of the
1152 * respective kind to form a PKCS #7 DigestInfo. */
1153 static const struct tagOIDDescriptor {
1154 ALG_ID aiAlgid;
1155 DWORD dwLen;
1156 CONST BYTE abOID[18];
1157 } aOIDDescriptor[5] = {
1158 { CALG_MD2, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1159 0x86, 0xf7, 0x0d, 0x02, 0x02, 0x05, 0x00, 0x04, 0x10 } },
1160 { CALG_MD4, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1161 0x86, 0xf7, 0x0d, 0x02, 0x04, 0x05, 0x00, 0x04, 0x10 } },
1162 { CALG_MD5, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1163 0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 } },
1164 { CALG_SHA, 15, { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
1165 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 } },
1166 { 0, 0, {} }
1168 DWORD dwIdxOID, i, j;
1170 for (dwIdxOID = 0; aOIDDescriptor[dwIdxOID].aiAlgid; dwIdxOID++) {
1171 if (aOIDDescriptor[dwIdxOID].aiAlgid == aiAlgid) break;
1174 if (!aOIDDescriptor[dwIdxOID].aiAlgid) {
1175 SetLastError(NTE_BAD_ALGID);
1176 return FALSE;
1179 /* Build the padded signature */
1180 if (dwFlags & CRYPT_X931_FORMAT) {
1181 pbSignature[0] = 0x6b;
1182 for (i=1; i < dwLen - dwHashLen - 3; i++) {
1183 pbSignature[i] = 0xbb;
1185 pbSignature[i++] = 0xba;
1186 for (j=0; j < dwHashLen; j++, i++) {
1187 pbSignature[i] = abHashValue[j];
1189 pbSignature[i++] = 0x33;
1190 pbSignature[i++] = 0xcc;
1191 } else {
1192 pbSignature[0] = 0x00;
1193 pbSignature[1] = 0x01;
1194 if (dwFlags & CRYPT_NOHASHOID) {
1195 for (i=2; i < dwLen - 1 - dwHashLen; i++) {
1196 pbSignature[i] = 0xff;
1198 pbSignature[i++] = 0x00;
1199 } else {
1200 for (i=2; i < dwLen - 1 - aOIDDescriptor[dwIdxOID].dwLen - dwHashLen; i++) {
1201 pbSignature[i] = 0xff;
1203 pbSignature[i++] = 0x00;
1204 for (j=0; j < aOIDDescriptor[dwIdxOID].dwLen; j++) {
1205 pbSignature[i++] = aOIDDescriptor[dwIdxOID].abOID[j];
1208 for (j=0; j < dwHashLen; j++) {
1209 pbSignature[i++] = abHashValue[j];
1213 return TRUE;
1216 /******************************************************************************
1217 * tls1_p [Internal]
1219 * This is an implementation of the 'P_hash' helper function for TLS1's PRF.
1220 * It is used exclusively by tls1_prf. For details see RFC 2246, chapter 5.
1221 * The pseudo random stream generated by this function is exclusive or'ed with
1222 * the data in pbBuffer.
1224 * PARAMS
1225 * hHMAC [I] HMAC object, which will be used in pseudo random generation
1226 * pblobSeed [I] Seed value
1227 * pbBuffer [I/O] Pseudo random stream will be xor'ed to the provided data
1228 * dwBufferLen [I] Number of pseudo random bytes desired
1230 * RETURNS
1231 * Success: TRUE
1232 * Failure: FALSE
1234 static BOOL tls1_p(HCRYPTHASH hHMAC, CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1236 CRYPTHASH *pHMAC;
1237 BYTE abAi[RSAENH_MAX_HASH_SIZE];
1238 DWORD i = 0;
1240 if (!lookup_handle(&handle_table, hHMAC, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pHMAC)) {
1241 SetLastError(NTE_BAD_HASH);
1242 return FALSE;
1245 /* compute A_1 = HMAC(seed) */
1246 init_hash(pHMAC);
1247 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1248 finalize_hash(pHMAC);
1249 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1251 do {
1252 /* compute HMAC(A_i + seed) */
1253 init_hash(pHMAC);
1254 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1255 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1256 finalize_hash(pHMAC);
1258 /* pseudo random stream := CONCAT_{i=1..n} ( HMAC(A_i + seed) ) */
1259 do {
1260 if (i >= dwBufferLen) break;
1261 pbBuffer[i] ^= pHMAC->abHashValue[i % pHMAC->dwHashSize];
1262 i++;
1263 } while (i % pHMAC->dwHashSize);
1265 /* compute A_{i+1} = HMAC(A_i) */
1266 init_hash(pHMAC);
1267 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1268 finalize_hash(pHMAC);
1269 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1270 } while (i < dwBufferLen);
1272 return TRUE;
1275 /******************************************************************************
1276 * tls1_prf [Internal]
1278 * TLS1 pseudo random function as specified in RFC 2246, chapter 5
1280 * PARAMS
1281 * hProv [I] Key container used to compute the pseudo random stream
1282 * hSecret [I] Key that holds the (pre-)master secret
1283 * pblobLabel [I] Descriptive label
1284 * pblobSeed [I] Seed value
1285 * pbBuffer [O] Pseudo random numbers will be stored here
1286 * dwBufferLen [I] Number of pseudo random bytes desired
1288 * RETURNS
1289 * Success: TRUE
1290 * Failure: FALSE
1292 static BOOL tls1_prf(HCRYPTPROV hProv, HCRYPTPROV hSecret, CONST PCRYPT_DATA_BLOB pblobLabel,
1293 CONST PCRYPT_DATA_BLOB pblobSeed, PBYTE pbBuffer, DWORD dwBufferLen)
1295 HMAC_INFO hmacInfo = { 0, NULL, 0, NULL, 0 };
1296 HCRYPTHASH hHMAC = (HCRYPTHASH)INVALID_HANDLE_VALUE;
1297 HCRYPTKEY hHalfSecret = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1298 CRYPTKEY *pHalfSecret, *pSecret;
1299 DWORD dwHalfSecretLen;
1300 BOOL result = FALSE;
1301 CRYPT_DATA_BLOB blobLabelSeed;
1303 TRACE("(hProv=%08lx, hSecret=%08lx, pblobLabel=%p, pblobSeed=%p, pbBuffer=%p, dwBufferLen=%d)\n",
1304 hProv, hSecret, pblobLabel, pblobSeed, pbBuffer, dwBufferLen);
1306 if (!lookup_handle(&handle_table, hSecret, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSecret)) {
1307 SetLastError(NTE_FAIL);
1308 return FALSE;
1311 dwHalfSecretLen = (pSecret->dwKeyLen+1)/2;
1313 /* concatenation of the label and the seed */
1314 if (!concat_data_blobs(&blobLabelSeed, pblobLabel, pblobSeed)) goto exit;
1316 /* zero out the buffer, since two random streams will be xor'ed into it. */
1317 memset(pbBuffer, 0, dwBufferLen);
1319 /* build a 'fake' key, to hold the secret. CALG_SSL2_MASTER is used since it provides
1320 * the biggest range of valid key lengths. */
1321 hHalfSecret = new_key(hProv, CALG_SSL2_MASTER, MAKELONG(0,dwHalfSecretLen*8), &pHalfSecret);
1322 if (hHalfSecret == (HCRYPTKEY)INVALID_HANDLE_VALUE) goto exit;
1324 /* Derive an HMAC_MD5 hash and call the helper function. */
1325 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue, dwHalfSecretLen);
1326 if (!RSAENH_CPCreateHash(hProv, CALG_HMAC, hHalfSecret, 0, &hHMAC)) goto exit;
1327 hmacInfo.HashAlgid = CALG_MD5;
1328 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1329 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1331 /* Reconfigure to HMAC_SHA hash and call helper function again. */
1332 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue + (pSecret->dwKeyLen/2), dwHalfSecretLen);
1333 hmacInfo.HashAlgid = CALG_SHA;
1334 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1335 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1337 result = TRUE;
1338 exit:
1339 release_handle(&handle_table, hHalfSecret, RSAENH_MAGIC_KEY);
1340 if (hHMAC != (HCRYPTHASH)INVALID_HANDLE_VALUE) RSAENH_CPDestroyHash(hProv, hHMAC);
1341 free_data_blob(&blobLabelSeed);
1342 return result;
1345 /******************************************************************************
1346 * pad_data [Internal]
1348 * Helper function for data padding according to PKCS1 #2
1350 * PARAMS
1351 * abData [I] The data to be padded
1352 * dwDataLen [I] Length of the data
1353 * abBuffer [O] Padded data will be stored here
1354 * dwBufferLen [I] Length of the buffer (also length of padded data)
1355 * dwFlags [I] Padding format (CRYPT_SSL2_FALLBACK)
1357 * RETURN
1358 * Success: TRUE
1359 * Failure: FALSE (NTE_BAD_LEN, too much data to pad)
1361 static BOOL pad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen,
1362 DWORD dwFlags)
1364 DWORD i;
1366 /* Ensure there is enough space for PKCS1 #2 padding */
1367 if (dwDataLen > dwBufferLen-11) {
1368 SetLastError(NTE_BAD_LEN);
1369 return FALSE;
1372 memmove(abBuffer + dwBufferLen - dwDataLen, abData, dwDataLen);
1374 abBuffer[0] = 0x00;
1375 abBuffer[1] = RSAENH_PKC_BLOCKTYPE;
1376 for (i=2; i < dwBufferLen - dwDataLen - 1; i++)
1377 do gen_rand_impl(&abBuffer[i], 1); while (!abBuffer[i]);
1378 if (dwFlags & CRYPT_SSL2_FALLBACK)
1379 for (i-=8; i < dwBufferLen - dwDataLen - 1; i++)
1380 abBuffer[i] = 0x03;
1381 abBuffer[i] = 0x00;
1383 return TRUE;
1386 /******************************************************************************
1387 * unpad_data [Internal]
1389 * Remove the PKCS1 padding from RSA decrypted data
1391 * PARAMS
1392 * abData [I] The padded data
1393 * dwDataLen [I] Length of the padded data
1394 * abBuffer [O] Data without padding will be stored here
1395 * dwBufferLen [I/O] I: Length of the buffer, O: Length of unpadded data
1396 * dwFlags [I] Currently none defined
1398 * RETURNS
1399 * Success: TRUE
1400 * Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small)
1402 static BOOL unpad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen,
1403 DWORD dwFlags)
1405 DWORD i;
1407 for (i=2; i<dwDataLen; i++)
1408 if (!abData[i])
1409 break;
1411 if ((i == dwDataLen) || (*dwBufferLen < dwDataLen - i - 1) ||
1412 (abData[0] != 0x00) || (abData[1] != RSAENH_PKC_BLOCKTYPE))
1414 SetLastError(NTE_BAD_DATA);
1415 return FALSE;
1418 *dwBufferLen = dwDataLen - i - 1;
1419 memmove(abBuffer, abData + i + 1, *dwBufferLen);
1420 return TRUE;
1423 /******************************************************************************
1424 * CPAcquireContext (RSAENH.@)
1426 * Acquire a handle to the key container specified by pszContainer
1428 * PARAMS
1429 * phProv [O] Pointer to the location the acquired handle will be written to.
1430 * pszContainer [I] Name of the desired key container. See Notes
1431 * dwFlags [I] Flags. See Notes.
1432 * pVTable [I] Pointer to a PVTableProvStruct containing callbacks.
1434 * RETURNS
1435 * Success: TRUE
1436 * Failure: FALSE
1438 * NOTES
1439 * If pszContainer is NULL or points to a zero length string the user's login
1440 * name will be used as the key container name.
1442 * If the CRYPT_NEW_KEYSET flag is set in dwFlags a new keyset will be created.
1443 * If a keyset with the given name already exists, the function fails and sets
1444 * last error to NTE_EXISTS. If CRYPT_NEW_KEYSET is not set and the specified
1445 * key container does not exist, function fails and sets last error to
1446 * NTE_BAD_KEYSET.
1448 BOOL WINAPI RSAENH_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
1449 DWORD dwFlags, PVTableProvStruc pVTable)
1451 CHAR szKeyContainerName[MAX_PATH];
1452 CHAR szRegKey[MAX_PATH];
1454 TRACE("(phProv=%p, pszContainer=%s, dwFlags=%08x, pVTable=%p)\n", phProv,
1455 debugstr_a(pszContainer), dwFlags, pVTable);
1457 if (pszContainer && *pszContainer)
1459 lstrcpynA(szKeyContainerName, pszContainer, MAX_PATH);
1461 else
1463 DWORD dwLen = sizeof(szKeyContainerName);
1464 if (!GetUserNameA(szKeyContainerName, &dwLen)) return FALSE;
1467 switch (dwFlags & (CRYPT_NEWKEYSET|CRYPT_VERIFYCONTEXT|CRYPT_DELETEKEYSET))
1469 case 0:
1470 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1471 break;
1473 case CRYPT_DELETEKEYSET:
1474 if (snprintf(szRegKey, MAX_PATH, RSAENH_REGKEY, szKeyContainerName) >= MAX_PATH) {
1475 SetLastError(NTE_BAD_KEYSET_PARAM);
1476 return FALSE;
1477 } else {
1478 HKEY hRootKey;
1479 if (dwFlags & CRYPT_MACHINE_KEYSET)
1480 hRootKey = HKEY_LOCAL_MACHINE;
1481 else
1482 hRootKey = HKEY_CURRENT_USER;
1483 if (!RegDeleteKeyA(hRootKey, szRegKey)) {
1484 SetLastError(ERROR_SUCCESS);
1485 return TRUE;
1486 } else {
1487 SetLastError(NTE_BAD_KEYSET);
1488 return FALSE;
1491 break;
1493 case CRYPT_NEWKEYSET:
1494 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1495 if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1497 release_handle(&handle_table, *phProv, RSAENH_MAGIC_CONTAINER);
1498 TRACE("Can't create new keyset, already exists\n");
1499 SetLastError(NTE_EXISTS);
1500 return FALSE;
1502 *phProv = new_key_container(szKeyContainerName, dwFlags, pVTable);
1503 break;
1505 case CRYPT_VERIFYCONTEXT:
1506 if (pszContainer) {
1507 TRACE("pszContainer should be NULL\n");
1508 SetLastError(NTE_BAD_FLAGS);
1509 return FALSE;
1511 *phProv = new_key_container("", dwFlags, pVTable);
1512 break;
1514 default:
1515 *phProv = (HCRYPTPROV)INVALID_HANDLE_VALUE;
1516 SetLastError(NTE_BAD_FLAGS);
1517 return FALSE;
1520 if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE) {
1521 SetLastError(ERROR_SUCCESS);
1522 return TRUE;
1523 } else {
1524 return FALSE;
1528 /******************************************************************************
1529 * CPCreateHash (RSAENH.@)
1531 * CPCreateHash creates and initalizes a new hash object.
1533 * PARAMS
1534 * hProv [I] Handle to the key container to which the new hash will belong.
1535 * Algid [I] Identifies the hash algorithm, which will be used for the hash.
1536 * hKey [I] Handle to a session key applied for keyed hashes.
1537 * dwFlags [I] Currently no flags defined. Must be zero.
1538 * phHash [O] Points to the location where a handle to the new hash will be stored.
1540 * RETURNS
1541 * Success: TRUE
1542 * Failure: FALSE
1544 * NOTES
1545 * hKey is a handle to a session key applied in keyed hashes like MAC and HMAC.
1546 * If a normal hash object is to be created (like e.g. MD2 or SHA1) hKey must be zero.
1548 BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags,
1549 HCRYPTHASH *phHash)
1551 CRYPTKEY *pCryptKey;
1552 CRYPTHASH *pCryptHash;
1553 const PROV_ENUMALGS_EX *peaAlgidInfo;
1555 TRACE("(hProv=%08lx, Algid=%08x, hKey=%08lx, dwFlags=%08x, phHash=%p)\n", hProv, Algid, hKey,
1556 dwFlags, phHash);
1558 peaAlgidInfo = get_algid_info(hProv, Algid);
1559 if (!peaAlgidInfo) return FALSE;
1561 if (dwFlags)
1563 SetLastError(NTE_BAD_FLAGS);
1564 return FALSE;
1567 if (Algid == CALG_MAC || Algid == CALG_HMAC || Algid == CALG_SCHANNEL_MASTER_HASH ||
1568 Algid == CALG_TLS1PRF)
1570 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey)) {
1571 SetLastError(NTE_BAD_KEY);
1572 return FALSE;
1575 if ((Algid == CALG_MAC) && (GET_ALG_TYPE(pCryptKey->aiAlgid) != ALG_TYPE_BLOCK)) {
1576 SetLastError(NTE_BAD_KEY);
1577 return FALSE;
1580 if ((Algid == CALG_SCHANNEL_MASTER_HASH || Algid == CALG_TLS1PRF) &&
1581 (pCryptKey->aiAlgid != CALG_TLS1_MASTER))
1583 SetLastError(NTE_BAD_KEY);
1584 return FALSE;
1587 if ((Algid == CALG_TLS1PRF) && (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY)) {
1588 SetLastError(NTE_BAD_KEY_STATE);
1589 return FALSE;
1593 *phHash = (HCRYPTHASH)new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1594 destroy_hash, (OBJECTHDR**)&pCryptHash);
1595 if (!pCryptHash) return FALSE;
1597 pCryptHash->aiAlgid = Algid;
1598 pCryptHash->hKey = hKey;
1599 pCryptHash->hProv = hProv;
1600 pCryptHash->dwState = RSAENH_HASHSTATE_IDLE;
1601 pCryptHash->pHMACInfo = (PHMAC_INFO)NULL;
1602 pCryptHash->dwHashSize = peaAlgidInfo->dwDefaultLen >> 3;
1603 init_data_blob(&pCryptHash->tpPRFParams.blobLabel);
1604 init_data_blob(&pCryptHash->tpPRFParams.blobSeed);
1606 if (Algid == CALG_SCHANNEL_MASTER_HASH) {
1607 static const char keyex[] = "key expansion";
1608 BYTE key_expansion[sizeof keyex];
1609 CRYPT_DATA_BLOB blobRandom, blobKeyExpansion = { 13, key_expansion };
1611 memcpy( key_expansion, keyex, sizeof keyex );
1613 if (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY) {
1614 static const char msec[] = "master secret";
1615 BYTE master_secret[sizeof msec];
1616 CRYPT_DATA_BLOB blobLabel = { 13, master_secret };
1617 BYTE abKeyValue[48];
1619 memcpy( master_secret, msec, sizeof msec );
1621 /* See RFC 2246, chapter 8.1 */
1622 if (!concat_data_blobs(&blobRandom,
1623 &pCryptKey->siSChannelInfo.blobClientRandom,
1624 &pCryptKey->siSChannelInfo.blobServerRandom))
1626 return FALSE;
1628 tls1_prf(hProv, hKey, &blobLabel, &blobRandom, abKeyValue, 48);
1629 pCryptKey->dwState = RSAENH_KEYSTATE_MASTERKEY;
1630 memcpy(pCryptKey->abKeyValue, abKeyValue, 48);
1631 free_data_blob(&blobRandom);
1634 /* See RFC 2246, chapter 6.3 */
1635 if (!concat_data_blobs(&blobRandom,
1636 &pCryptKey->siSChannelInfo.blobServerRandom,
1637 &pCryptKey->siSChannelInfo.blobClientRandom))
1639 return FALSE;
1641 tls1_prf(hProv, hKey, &blobKeyExpansion, &blobRandom, pCryptHash->abHashValue,
1642 RSAENH_MAX_HASH_SIZE);
1643 free_data_blob(&blobRandom);
1646 return init_hash(pCryptHash);
1649 /******************************************************************************
1650 * CPDestroyHash (RSAENH.@)
1652 * Releases the handle to a hash object. The object is destroyed if it's reference
1653 * count reaches zero.
1655 * PARAMS
1656 * hProv [I] Handle to the key container to which the hash object belongs.
1657 * hHash [I] Handle to the hash object to be released.
1659 * RETURNS
1660 * Success: TRUE
1661 * Failure: FALSE
1663 BOOL WINAPI RSAENH_CPDestroyHash(HCRYPTPROV hProv, HCRYPTHASH hHash)
1665 TRACE("(hProv=%08lx, hHash=%08lx)\n", hProv, hHash);
1667 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1669 SetLastError(NTE_BAD_UID);
1670 return FALSE;
1673 if (!release_handle(&handle_table, hHash, RSAENH_MAGIC_HASH))
1675 SetLastError(NTE_BAD_HASH);
1676 return FALSE;
1679 return TRUE;
1682 /******************************************************************************
1683 * CPDestroyKey (RSAENH.@)
1685 * Releases the handle to a key object. The object is destroyed if it's reference
1686 * count reaches zero.
1688 * PARAMS
1689 * hProv [I] Handle to the key container to which the key object belongs.
1690 * hKey [I] Handle to the key object to be released.
1692 * RETURNS
1693 * Success: TRUE
1694 * Failure: FALSE
1696 BOOL WINAPI RSAENH_CPDestroyKey(HCRYPTPROV hProv, HCRYPTKEY hKey)
1698 TRACE("(hProv=%08lx, hKey=%08lx)\n", hProv, hKey);
1700 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1702 SetLastError(NTE_BAD_UID);
1703 return FALSE;
1706 if (!release_handle(&handle_table, hKey, RSAENH_MAGIC_KEY))
1708 SetLastError(NTE_BAD_KEY);
1709 return FALSE;
1712 return TRUE;
1715 /******************************************************************************
1716 * CPDuplicateHash (RSAENH.@)
1718 * Clones a hash object including it's current state.
1720 * PARAMS
1721 * hUID [I] Handle to the key container the hash belongs to.
1722 * hHash [I] Handle to the hash object to be cloned.
1723 * pdwReserved [I] Reserved. Must be NULL.
1724 * dwFlags [I] No flags are currently defined. Must be 0.
1725 * phHash [O] Handle to the cloned hash object.
1727 * RETURNS
1728 * Success: TRUE.
1729 * Failure: FALSE.
1731 BOOL WINAPI RSAENH_CPDuplicateHash(HCRYPTPROV hUID, HCRYPTHASH hHash, DWORD *pdwReserved,
1732 DWORD dwFlags, HCRYPTHASH *phHash)
1734 CRYPTHASH *pSrcHash, *pDestHash;
1736 TRACE("(hUID=%08lx, hHash=%08lx, pdwReserved=%p, dwFlags=%08x, phHash=%p)\n", hUID, hHash,
1737 pdwReserved, dwFlags, phHash);
1739 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
1741 SetLastError(NTE_BAD_UID);
1742 return FALSE;
1745 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pSrcHash))
1747 SetLastError(NTE_BAD_HASH);
1748 return FALSE;
1751 if (!phHash || pdwReserved || dwFlags)
1753 SetLastError(ERROR_INVALID_PARAMETER);
1754 return FALSE;
1757 *phHash = (HCRYPTHASH)new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1758 destroy_hash, (OBJECTHDR**)&pDestHash);
1759 if (*phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE)
1761 memcpy(pDestHash, pSrcHash, sizeof(CRYPTHASH));
1762 duplicate_hash_impl(pSrcHash->aiAlgid, &pSrcHash->context, &pDestHash->context);
1763 copy_hmac_info(&pDestHash->pHMACInfo, pSrcHash->pHMACInfo);
1764 copy_data_blob(&pDestHash->tpPRFParams.blobLabel, &pSrcHash->tpPRFParams.blobLabel);
1765 copy_data_blob(&pDestHash->tpPRFParams.blobSeed, &pSrcHash->tpPRFParams.blobSeed);
1768 return *phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE;
1771 /******************************************************************************
1772 * CPDuplicateKey (RSAENH.@)
1774 * Clones a key object including it's current state.
1776 * PARAMS
1777 * hUID [I] Handle to the key container the hash belongs to.
1778 * hKey [I] Handle to the key object to be cloned.
1779 * pdwReserved [I] Reserved. Must be NULL.
1780 * dwFlags [I] No flags are currently defined. Must be 0.
1781 * phHash [O] Handle to the cloned key object.
1783 * RETURNS
1784 * Success: TRUE.
1785 * Failure: FALSE.
1787 BOOL WINAPI RSAENH_CPDuplicateKey(HCRYPTPROV hUID, HCRYPTKEY hKey, DWORD *pdwReserved,
1788 DWORD dwFlags, HCRYPTKEY *phKey)
1790 CRYPTKEY *pSrcKey, *pDestKey;
1792 TRACE("(hUID=%08lx, hKey=%08lx, pdwReserved=%p, dwFlags=%08x, phKey=%p)\n", hUID, hKey,
1793 pdwReserved, dwFlags, phKey);
1795 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
1797 SetLastError(NTE_BAD_UID);
1798 return FALSE;
1801 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSrcKey))
1803 SetLastError(NTE_BAD_KEY);
1804 return FALSE;
1807 if (!phKey || pdwReserved || dwFlags)
1809 SetLastError(ERROR_INVALID_PARAMETER);
1810 return FALSE;
1813 *phKey = (HCRYPTKEY)new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, destroy_key,
1814 (OBJECTHDR**)&pDestKey);
1815 if (*phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
1817 memcpy(pDestKey, pSrcKey, sizeof(CRYPTKEY));
1818 copy_data_blob(&pDestKey->siSChannelInfo.blobServerRandom,
1819 &pSrcKey->siSChannelInfo.blobServerRandom);
1820 copy_data_blob(&pDestKey->siSChannelInfo.blobClientRandom,
1821 &pSrcKey->siSChannelInfo.blobClientRandom);
1822 duplicate_key_impl(pSrcKey->aiAlgid, &pSrcKey->context, &pDestKey->context);
1823 return TRUE;
1825 else
1827 return FALSE;
1831 /******************************************************************************
1832 * CPEncrypt (RSAENH.@)
1834 * Encrypt data.
1836 * PARAMS
1837 * hProv [I] The key container hKey and hHash belong to.
1838 * hKey [I] The key used to encrypt the data.
1839 * hHash [I] An optional hash object for parallel hashing. See notes.
1840 * Final [I] Indicates if this is the last block of data to encrypt.
1841 * dwFlags [I] Currently no flags defined. Must be zero.
1842 * pbData [I/O] Pointer to the data to encrypt. Encrypted data will also be stored there.
1843 * pdwDataLen [I/O] I: Length of data to encrypt, O: Length of encrypted data.
1844 * dwBufLen [I] Size of the buffer at pbData.
1846 * RETURNS
1847 * Success: TRUE.
1848 * Failure: FALSE.
1850 * NOTES
1851 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
1852 * This is useful for message signatures.
1854 * This function uses the standard WINAPI protocol for querying data of dynamic length.
1856 BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
1857 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
1859 CRYPTKEY *pCryptKey;
1860 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
1861 DWORD dwEncryptedLen, i, j, k;
1863 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
1864 "pdwDataLen=%p, dwBufLen=%d)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen,
1865 dwBufLen);
1867 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1869 SetLastError(NTE_BAD_UID);
1870 return FALSE;
1873 if (dwFlags)
1875 SetLastError(NTE_BAD_FLAGS);
1876 return FALSE;
1879 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
1881 SetLastError(NTE_BAD_KEY);
1882 return FALSE;
1885 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
1886 pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
1888 if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
1890 SetLastError(NTE_BAD_DATA);
1891 return FALSE;
1894 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
1895 if (!RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
1898 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
1899 if (!Final && (*pdwDataLen % pCryptKey->dwBlockLen)) {
1900 SetLastError(NTE_BAD_DATA);
1901 return FALSE;
1904 dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen;
1906 if (pbData == NULL) {
1907 *pdwDataLen = dwEncryptedLen;
1908 return TRUE;
1911 for (i=*pdwDataLen; i<dwEncryptedLen && i<dwBufLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen;
1912 *pdwDataLen = dwEncryptedLen;
1914 if (*pdwDataLen > dwBufLen)
1916 SetLastError(ERROR_MORE_DATA);
1917 return FALSE;
1920 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
1921 switch (pCryptKey->dwMode) {
1922 case CRYPT_MODE_ECB:
1923 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
1924 RSAENH_ENCRYPT);
1925 break;
1927 case CRYPT_MODE_CBC:
1928 for (j=0; j<pCryptKey->dwBlockLen; j++) in[j] ^= pCryptKey->abChainVector[j];
1929 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
1930 RSAENH_ENCRYPT);
1931 memcpy(pCryptKey->abChainVector, out, pCryptKey->dwBlockLen);
1932 break;
1934 case CRYPT_MODE_CFB:
1935 for (j=0; j<pCryptKey->dwBlockLen; j++) {
1936 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
1937 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
1938 out[j] = in[j] ^ o[0];
1939 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
1940 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
1941 pCryptKey->abChainVector[k] = out[j];
1943 break;
1945 default:
1946 SetLastError(NTE_BAD_ALGID);
1947 return FALSE;
1949 memcpy(in, out, pCryptKey->dwBlockLen);
1951 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
1952 if (pbData == NULL) {
1953 *pdwDataLen = dwBufLen;
1954 return TRUE;
1956 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
1957 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
1958 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
1959 SetLastError(NTE_BAD_KEY);
1960 return FALSE;
1962 if (!pbData) {
1963 *pdwDataLen = pCryptKey->dwBlockLen;
1964 return TRUE;
1966 if (dwBufLen < pCryptKey->dwBlockLen) {
1967 SetLastError(ERROR_MORE_DATA);
1968 return FALSE;
1970 if (!pad_data(pbData, *pdwDataLen, pbData, pCryptKey->dwBlockLen, dwFlags)) return FALSE;
1971 encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbData, pbData, RSAENH_ENCRYPT);
1972 *pdwDataLen = pCryptKey->dwBlockLen;
1973 Final = TRUE;
1974 } else {
1975 SetLastError(NTE_BAD_TYPE);
1976 return FALSE;
1979 if (Final) setup_key(pCryptKey);
1981 return TRUE;
1984 /******************************************************************************
1985 * CPDecrypt (RSAENH.@)
1987 * Decrypt data.
1989 * PARAMS
1990 * hProv [I] The key container hKey and hHash belong to.
1991 * hKey [I] The key used to decrypt the data.
1992 * hHash [I] An optional hash object for parallel hashing. See notes.
1993 * Final [I] Indicates if this is the last block of data to decrypt.
1994 * dwFlags [I] Currently no flags defined. Must be zero.
1995 * pbData [I/O] Pointer to the data to decrypt. Plaintext will also be stored there.
1996 * pdwDataLen [I/O] I: Length of ciphertext, O: Length of plaintext.
1998 * RETURNS
1999 * Success: TRUE.
2000 * Failure: FALSE.
2002 * NOTES
2003 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
2004 * This is useful for message signatures.
2006 * This function uses the standard WINAPI protocol for querying data of dynamic length.
2008 BOOL WINAPI RSAENH_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2009 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2011 CRYPTKEY *pCryptKey;
2012 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2013 DWORD i, j, k;
2014 DWORD dwMax;
2016 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2017 "pdwDataLen=%p)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
2019 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2021 SetLastError(NTE_BAD_UID);
2022 return FALSE;
2025 if (dwFlags)
2027 SetLastError(NTE_BAD_FLAGS);
2028 return FALSE;
2031 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2033 SetLastError(NTE_BAD_KEY);
2034 return FALSE;
2037 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2038 pCryptKey->dwState = RSAENH_KEYSTATE_DECRYPTING;
2040 if (pCryptKey->dwState != RSAENH_KEYSTATE_DECRYPTING)
2042 SetLastError(NTE_BAD_DATA);
2043 return FALSE;
2046 dwMax=*pdwDataLen;
2048 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2049 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2050 switch (pCryptKey->dwMode) {
2051 case CRYPT_MODE_ECB:
2052 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2053 RSAENH_DECRYPT);
2054 break;
2056 case CRYPT_MODE_CBC:
2057 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2058 RSAENH_DECRYPT);
2059 for (j=0; j<pCryptKey->dwBlockLen; j++) out[j] ^= pCryptKey->abChainVector[j];
2060 memcpy(pCryptKey->abChainVector, in, pCryptKey->dwBlockLen);
2061 break;
2063 case CRYPT_MODE_CFB:
2064 for (j=0; j<pCryptKey->dwBlockLen; j++) {
2065 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2066 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2067 out[j] = in[j] ^ o[0];
2068 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2069 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2070 pCryptKey->abChainVector[k] = in[j];
2072 break;
2074 default:
2075 SetLastError(NTE_BAD_ALGID);
2076 return FALSE;
2078 memcpy(in, out, pCryptKey->dwBlockLen);
2080 if (Final) *pdwDataLen -= pbData[*pdwDataLen-1];
2082 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2083 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2084 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2085 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2086 SetLastError(NTE_BAD_KEY);
2087 return FALSE;
2089 encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbData, pbData, RSAENH_DECRYPT);
2090 if (!unpad_data(pbData, pCryptKey->dwBlockLen, pbData, pdwDataLen, dwFlags)) return FALSE;
2091 Final = TRUE;
2092 } else {
2093 SetLastError(NTE_BAD_TYPE);
2094 return FALSE;
2097 if (Final) setup_key(pCryptKey);
2099 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2100 if (*pdwDataLen>dwMax ||
2101 !RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2104 return TRUE;
2107 /******************************************************************************
2108 * CPExportKey (RSAENH.@)
2110 * Export a key into a binary large object (BLOB).
2112 * PARAMS
2113 * hProv [I] Key container from which a key is to be exported.
2114 * hKey [I] Key to be exported.
2115 * hPubKey [I] Key used to encrypt sensitive BLOB data.
2116 * dwBlobType [I] SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2117 * dwFlags [I] Currently none defined.
2118 * pbData [O] Pointer to a buffer where the BLOB will be written to.
2119 * pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2121 * RETURNS
2122 * Success: TRUE.
2123 * Failure: FALSE.
2125 BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubKey,
2126 DWORD dwBlobType, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2128 CRYPTKEY *pCryptKey, *pPubKey;
2129 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2130 RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2131 ALG_ID *pAlgid = (ALG_ID*)(pBlobHeader+1);
2132 DWORD dwDataLen;
2134 TRACE("(hProv=%08lx, hKey=%08lx, hPubKey=%08lx, dwBlobType=%08x, dwFlags=%08x, pbData=%p,"
2135 "pdwDataLen=%p)\n", hProv, hKey, hPubKey, dwBlobType, dwFlags, pbData, pdwDataLen);
2137 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2139 SetLastError(NTE_BAD_UID);
2140 return FALSE;
2143 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2145 SetLastError(NTE_BAD_KEY);
2146 return FALSE;
2149 if (dwFlags & CRYPT_SSL2_FALLBACK) {
2150 if (pCryptKey->aiAlgid != CALG_SSL2_MASTER) {
2151 SetLastError(NTE_BAD_KEY);
2152 return FALSE;
2156 switch ((BYTE)dwBlobType)
2158 case SIMPLEBLOB:
2159 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey)){
2160 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error_code? */
2161 return FALSE;
2164 if (!(GET_ALG_CLASS(pCryptKey->aiAlgid)&(ALG_CLASS_DATA_ENCRYPT|ALG_CLASS_MSG_ENCRYPT))) {
2165 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2166 return FALSE;
2169 dwDataLen = sizeof(BLOBHEADER) + sizeof(ALG_ID) + pPubKey->dwBlockLen;
2170 if (pbData) {
2171 if (*pdwDataLen < dwDataLen) {
2172 SetLastError(ERROR_MORE_DATA);
2173 *pdwDataLen = dwDataLen;
2174 return FALSE;
2177 pBlobHeader->bType = SIMPLEBLOB;
2178 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2179 pBlobHeader->reserved = 0;
2180 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2182 *pAlgid = pPubKey->aiAlgid;
2184 if (!pad_data(pCryptKey->abKeyValue, pCryptKey->dwKeyLen, (BYTE*)(pAlgid+1),
2185 pPubKey->dwBlockLen, dwFlags))
2187 return FALSE;
2190 encrypt_block_impl(pPubKey->aiAlgid, PK_PUBLIC, &pPubKey->context, (BYTE*)(pAlgid+1),
2191 (BYTE*)(pAlgid+1), RSAENH_ENCRYPT);
2193 *pdwDataLen = dwDataLen;
2194 return TRUE;
2196 case PUBLICKEYBLOB:
2197 if (is_valid_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY)) {
2198 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2199 return FALSE;
2202 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2203 SetLastError(NTE_BAD_KEY);
2204 return FALSE;
2207 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + pCryptKey->dwKeyLen;
2208 if (pbData) {
2209 if (*pdwDataLen < dwDataLen) {
2210 SetLastError(ERROR_MORE_DATA);
2211 *pdwDataLen = dwDataLen;
2212 return FALSE;
2215 pBlobHeader->bType = PUBLICKEYBLOB;
2216 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2217 pBlobHeader->reserved = 0;
2218 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2220 pRSAPubKey->magic = RSAENH_MAGIC_RSA1;
2221 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2223 export_public_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2224 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2226 *pdwDataLen = dwDataLen;
2227 return TRUE;
2229 case PRIVATEKEYBLOB:
2230 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2231 SetLastError(NTE_BAD_KEY);
2232 return FALSE;
2235 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2236 2 * pCryptKey->dwKeyLen + 5 * ((pCryptKey->dwKeyLen + 1) >> 1);
2237 if (pbData) {
2238 if (*pdwDataLen < dwDataLen) {
2239 SetLastError(ERROR_MORE_DATA);
2240 *pdwDataLen = dwDataLen;
2241 return FALSE;
2244 pBlobHeader->bType = PRIVATEKEYBLOB;
2245 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2246 pBlobHeader->reserved = 0;
2247 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2249 pRSAPubKey->magic = RSAENH_MAGIC_RSA2;
2250 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2252 export_private_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2253 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2255 *pdwDataLen = dwDataLen;
2256 return TRUE;
2258 default:
2259 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2260 return FALSE;
2264 /******************************************************************************
2265 * CPImportKey (RSAENH.@)
2267 * Import a BLOB'ed key into a key container.
2269 * PARAMS
2270 * hProv [I] Key container into which the key is to be imported.
2271 * pbData [I] Pointer to a buffer which holds the BLOB.
2272 * dwDataLen [I] Length of data in buffer at pbData.
2273 * hPubKey [I] Key used to decrypt sensitive BLOB data.
2274 * dwFlags [I] Currently none defined.
2275 * phKey [O] Handle to the imported key.
2277 * RETURNS
2278 * Success: TRUE.
2279 * Failure: FALSE.
2281 BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
2282 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
2284 KEYCONTAINER *pKeyContainer;
2285 CRYPTKEY *pCryptKey, *pPubKey;
2286 CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
2287 CONST RSAPUBKEY *pRSAPubKey = (CONST RSAPUBKEY*)(pBlobHeader+1);
2288 CONST ALG_ID *pAlgid = (CONST ALG_ID*)(pBlobHeader+1);
2289 CONST BYTE *pbKeyStream = (CONST BYTE*)(pAlgid + 1);
2290 ALG_ID algID;
2291 BYTE *pbDecrypted;
2292 DWORD dwKeyLen;
2293 BOOL ret;
2295 TRACE("(hProv=%08lx, pbData=%p, dwDataLen=%d, hPubKey=%08lx, dwFlags=%08x, phKey=%p)\n",
2296 hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
2298 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2299 (OBJECTHDR**)&pKeyContainer))
2301 SetLastError(NTE_BAD_UID);
2302 return FALSE;
2305 if (dwDataLen < sizeof(BLOBHEADER) ||
2306 pBlobHeader->bVersion != CUR_BLOB_VERSION ||
2307 pBlobHeader->reserved != 0)
2309 SetLastError(NTE_BAD_DATA);
2310 return FALSE;
2313 switch (pBlobHeader->bType)
2315 case PRIVATEKEYBLOB:
2316 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2317 (pRSAPubKey->magic != RSAENH_MAGIC_RSA2) ||
2318 (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2319 (2 * pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4))))
2321 SetLastError(NTE_BAD_DATA);
2322 return FALSE;
2325 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2326 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2327 setup_key(pCryptKey);
2328 ret = import_private_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2329 pRSAPubKey->bitlen/8, pRSAPubKey->pubexp);
2330 if (ret) {
2331 switch (pBlobHeader->aiKeyAlg)
2333 case AT_SIGNATURE:
2334 case CALG_RSA_SIGN:
2335 TRACE("installing signing key\n");
2336 RSAENH_CPDestroyKey(hProv, pKeyContainer->hSignatureKeyPair);
2337 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2338 &pKeyContainer->hSignatureKeyPair);
2339 break;
2340 case AT_KEYEXCHANGE:
2341 case CALG_RSA_KEYX:
2342 TRACE("installing key exchange key\n");
2343 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2344 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2345 &pKeyContainer->hKeyExchangeKeyPair);
2346 break;
2349 return ret;
2351 case PUBLICKEYBLOB:
2352 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2353 (pRSAPubKey->magic != RSAENH_MAGIC_RSA1) ||
2354 (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + (pRSAPubKey->bitlen >> 3)))
2356 SetLastError(NTE_BAD_DATA);
2357 return FALSE;
2360 /* Since this is a public key blob, only the public key is
2361 * available, so only signature verification is possible.
2363 algID = pBlobHeader->aiKeyAlg;
2364 *phKey = new_key(hProv, algID, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2365 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2366 setup_key(pCryptKey);
2367 ret = import_public_key_impl((CONST BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2368 pRSAPubKey->bitlen >> 3, pRSAPubKey->pubexp);
2369 if (ret) {
2370 switch (pBlobHeader->aiKeyAlg)
2372 case AT_KEYEXCHANGE:
2373 case CALG_RSA_KEYX:
2374 TRACE("installing public key\n");
2375 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2376 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2377 &pKeyContainer->hKeyExchangeKeyPair);
2378 break;
2381 return ret;
2383 case SIMPLEBLOB:
2384 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey) ||
2385 pPubKey->aiAlgid != CALG_RSA_KEYX)
2387 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error code? */
2388 return FALSE;
2391 if (dwDataLen < sizeof(BLOBHEADER)+sizeof(ALG_ID)+pPubKey->dwBlockLen)
2393 SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2394 return FALSE;
2397 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, pPubKey->dwBlockLen);
2398 if (!pbDecrypted) return FALSE;
2399 encrypt_block_impl(pPubKey->aiAlgid, PK_PRIVATE, &pPubKey->context, pbKeyStream, pbDecrypted,
2400 RSAENH_DECRYPT);
2402 dwKeyLen = RSAENH_MAX_KEY_SIZE;
2403 if (!unpad_data(pbDecrypted, pPubKey->dwBlockLen, pbDecrypted, &dwKeyLen, dwFlags)) {
2404 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2405 return FALSE;
2408 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, dwKeyLen<<19, &pCryptKey);
2409 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2411 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2412 return FALSE;
2414 memcpy(pCryptKey->abKeyValue, pbDecrypted, dwKeyLen);
2415 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2416 setup_key(pCryptKey);
2417 return TRUE;
2419 default:
2420 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2421 return FALSE;
2425 /******************************************************************************
2426 * CPGenKey (RSAENH.@)
2428 * Generate a key in the key container
2430 * PARAMS
2431 * hProv [I] Key container for which a key is to be generated.
2432 * Algid [I] Crypto algorithm identifier for the key to be generated.
2433 * dwFlags [I] Upper 16 bits: Binary length of key. Lower 16 bits: Flags. See Notes
2434 * phKey [O] Handle to the generated key.
2436 * RETURNS
2437 * Success: TRUE.
2438 * Failure: FALSE.
2440 * FIXME
2441 * Flags currently not considered.
2443 * NOTES
2444 * Private key-exchange- and signature-keys can be generated with Algid AT_KEYEXCHANGE
2445 * and AT_SIGNATURE values.
2447 BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
2449 KEYCONTAINER *pKeyContainer;
2450 CRYPTKEY *pCryptKey;
2452 TRACE("(hProv=%08lx, aiAlgid=%d, dwFlags=%08x, phKey=%p)\n", hProv, Algid, dwFlags, phKey);
2454 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2455 (OBJECTHDR**)&pKeyContainer))
2457 /* MSDN: hProv not containing valid context handle */
2458 SetLastError(NTE_BAD_UID);
2459 return FALSE;
2462 switch (Algid)
2464 case AT_SIGNATURE:
2465 case CALG_RSA_SIGN:
2466 *phKey = new_key(hProv, CALG_RSA_SIGN, dwFlags, &pCryptKey);
2467 if (pCryptKey) {
2468 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
2469 setup_key(pCryptKey);
2470 if (Algid == AT_SIGNATURE) {
2471 RSAENH_CPDestroyKey(hProv, pKeyContainer->hSignatureKeyPair);
2472 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2473 &pKeyContainer->hSignatureKeyPair);
2476 break;
2478 case AT_KEYEXCHANGE:
2479 case CALG_RSA_KEYX:
2480 *phKey = new_key(hProv, CALG_RSA_KEYX, dwFlags, &pCryptKey);
2481 if (pCryptKey) {
2482 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
2483 setup_key(pCryptKey);
2484 if (Algid == AT_KEYEXCHANGE) {
2485 RSAENH_CPDestroyKey(hProv, pKeyContainer->hKeyExchangeKeyPair);
2486 copy_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY,
2487 &pKeyContainer->hKeyExchangeKeyPair);
2490 break;
2492 case CALG_RC2:
2493 case CALG_RC4:
2494 case CALG_DES:
2495 case CALG_3DES_112:
2496 case CALG_3DES:
2497 case CALG_PCT1_MASTER:
2498 case CALG_SSL2_MASTER:
2499 case CALG_SSL3_MASTER:
2500 case CALG_TLS1_MASTER:
2501 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
2502 if (pCryptKey) {
2503 gen_rand_impl(pCryptKey->abKeyValue, RSAENH_MAX_KEY_SIZE);
2504 switch (Algid) {
2505 case CALG_SSL3_MASTER:
2506 pCryptKey->abKeyValue[0] = RSAENH_SSL3_VERSION_MAJOR;
2507 pCryptKey->abKeyValue[1] = RSAENH_SSL3_VERSION_MINOR;
2508 break;
2510 case CALG_TLS1_MASTER:
2511 pCryptKey->abKeyValue[0] = RSAENH_TLS1_VERSION_MAJOR;
2512 pCryptKey->abKeyValue[1] = RSAENH_TLS1_VERSION_MINOR;
2513 break;
2515 setup_key(pCryptKey);
2517 break;
2519 default:
2520 /* MSDN: Algorithm not supported specified by Algid */
2521 SetLastError(NTE_BAD_ALGID);
2522 return FALSE;
2525 return *phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE;
2528 /******************************************************************************
2529 * CPGenRandom (RSAENH.@)
2531 * Generate a random byte stream.
2533 * PARAMS
2534 * hProv [I] Key container that is used to generate random bytes.
2535 * dwLen [I] Specifies the number of requested random data bytes.
2536 * pbBuffer [O] Random bytes will be stored here.
2538 * RETURNS
2539 * Success: TRUE
2540 * Failure: FALSE
2542 BOOL WINAPI RSAENH_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
2544 TRACE("(hProv=%08lx, dwLen=%d, pbBuffer=%p)\n", hProv, dwLen, pbBuffer);
2546 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2548 /* MSDN: hProv not containing valid context handle */
2549 SetLastError(NTE_BAD_UID);
2550 return FALSE;
2553 return gen_rand_impl(pbBuffer, dwLen);
2556 /******************************************************************************
2557 * CPGetHashParam (RSAENH.@)
2559 * Query parameters of an hash object.
2561 * PARAMS
2562 * hProv [I] The kea container, which the hash belongs to.
2563 * hHash [I] The hash object that is to be queried.
2564 * dwParam [I] Specifies the parameter that is to be queried.
2565 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2566 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2567 * dwFlags [I] None currently defined.
2569 * RETURNS
2570 * Success: TRUE
2571 * Failure: FALSE
2573 * NOTES
2574 * Valid dwParams are: HP_ALGID, HP_HASHSIZE, HP_HASHVALUE. The hash will be
2575 * finalized if HP_HASHVALUE is queried.
2577 BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
2578 DWORD *pdwDataLen, DWORD dwFlags)
2580 CRYPTHASH *pCryptHash;
2582 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
2583 hProv, hHash, dwParam, pbData, pdwDataLen, dwFlags);
2585 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2587 SetLastError(NTE_BAD_UID);
2588 return FALSE;
2591 if (dwFlags)
2593 SetLastError(NTE_BAD_FLAGS);
2594 return FALSE;
2597 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
2598 (OBJECTHDR**)&pCryptHash))
2600 SetLastError(NTE_BAD_HASH);
2601 return FALSE;
2604 if (!pdwDataLen)
2606 SetLastError(ERROR_INVALID_PARAMETER);
2607 return FALSE;
2610 switch (dwParam)
2612 case HP_ALGID:
2613 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->aiAlgid,
2614 sizeof(ALG_ID));
2616 case HP_HASHSIZE:
2617 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptHash->dwHashSize,
2618 sizeof(DWORD));
2620 case HP_HASHVAL:
2621 if (pCryptHash->aiAlgid == CALG_TLS1PRF) {
2622 return tls1_prf(hProv, pCryptHash->hKey, &pCryptHash->tpPRFParams.blobLabel,
2623 &pCryptHash->tpPRFParams.blobSeed, pbData, *pdwDataLen);
2626 if ( pbData == NULL ) {
2627 *pdwDataLen = pCryptHash->dwHashSize;
2628 return TRUE;
2631 if (pCryptHash->dwState == RSAENH_HASHSTATE_IDLE) {
2632 SetLastError(NTE_BAD_HASH_STATE);
2633 return FALSE;
2636 if (pbData && (pCryptHash->dwState != RSAENH_HASHSTATE_FINISHED))
2638 finalize_hash(pCryptHash);
2639 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
2642 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pCryptHash->abHashValue,
2643 pCryptHash->dwHashSize);
2645 default:
2646 SetLastError(NTE_BAD_TYPE);
2647 return FALSE;
2651 /******************************************************************************
2652 * CPSetKeyParam (RSAENH.@)
2654 * Set a parameter of a key object
2656 * PARAMS
2657 * hProv [I] The key container to which the key belongs.
2658 * hKey [I] The key for which a parameter is to be set.
2659 * dwParam [I] Parameter type. See Notes.
2660 * pbData [I] Pointer to the parameter value.
2661 * dwFlags [I] Currently none defined.
2663 * RETURNS
2664 * Success: TRUE.
2665 * Failure: FALSE.
2667 * NOTES:
2668 * Defined dwParam types are:
2669 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
2670 * - KP_MODE_BITS: Shift width for cipher feedback mode. (Currently ignored by MS CSP's)
2671 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
2672 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
2673 * - KP_IV: Initialization vector
2675 BOOL WINAPI RSAENH_CPSetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
2676 DWORD dwFlags)
2678 CRYPTKEY *pCryptKey;
2680 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, hKey,
2681 dwParam, pbData, dwFlags);
2683 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2685 SetLastError(NTE_BAD_UID);
2686 return FALSE;
2689 if (dwFlags) {
2690 SetLastError(NTE_BAD_FLAGS);
2691 return FALSE;
2694 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2696 SetLastError(NTE_BAD_KEY);
2697 return FALSE;
2700 switch (dwParam) {
2701 case KP_MODE:
2702 pCryptKey->dwMode = *(DWORD*)pbData;
2703 return TRUE;
2705 case KP_MODE_BITS:
2706 pCryptKey->dwModeBits = *(DWORD*)pbData;
2707 return TRUE;
2709 case KP_PERMISSIONS:
2710 pCryptKey->dwPermissions = *(DWORD*)pbData;
2711 return TRUE;
2713 case KP_IV:
2714 memcpy(pCryptKey->abInitVector, pbData, pCryptKey->dwBlockLen);
2715 return TRUE;
2717 case KP_SCHANNEL_ALG:
2718 switch (((PSCHANNEL_ALG)pbData)->dwUse) {
2719 case SCHANNEL_ENC_KEY:
2720 memcpy(&pCryptKey->siSChannelInfo.saEncAlg, pbData, sizeof(SCHANNEL_ALG));
2721 break;
2723 case SCHANNEL_MAC_KEY:
2724 memcpy(&pCryptKey->siSChannelInfo.saMACAlg, pbData, sizeof(SCHANNEL_ALG));
2725 break;
2727 default:
2728 SetLastError(NTE_FAIL); /* FIXME: error code */
2729 return FALSE;
2731 return TRUE;
2733 case KP_CLIENT_RANDOM:
2734 return copy_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom, (PCRYPT_DATA_BLOB)pbData);
2736 case KP_SERVER_RANDOM:
2737 return copy_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom, (PCRYPT_DATA_BLOB)pbData);
2739 default:
2740 SetLastError(NTE_BAD_TYPE);
2741 return FALSE;
2745 /******************************************************************************
2746 * CPGetKeyParam (RSAENH.@)
2748 * Query a key parameter.
2750 * PARAMS
2751 * hProv [I] The key container, which the key belongs to.
2752 * hHash [I] The key object that is to be queried.
2753 * dwParam [I] Specifies the parameter that is to be queried.
2754 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2755 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2756 * dwFlags [I] None currently defined.
2758 * RETURNS
2759 * Success: TRUE
2760 * Failure: FALSE
2762 * NOTES
2763 * Defined dwParam types are:
2764 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
2765 * - KP_MODE_BITS: Shift width for cipher feedback mode.
2766 * (Currently ignored by MS CSP's - always eight)
2767 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
2768 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
2769 * - KP_IV: Initialization vector.
2770 * - KP_KEYLEN: Bitwidth of the key.
2771 * - KP_BLOCKLEN: Size of a block cipher block.
2772 * - KP_SALT: Salt value.
2774 BOOL WINAPI RSAENH_CPGetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
2775 DWORD *pdwDataLen, DWORD dwFlags)
2777 CRYPTKEY *pCryptKey;
2778 DWORD dwBitLen;
2780 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p dwFlags=%08x)\n",
2781 hProv, hKey, dwParam, pbData, pdwDataLen, dwFlags);
2783 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2785 SetLastError(NTE_BAD_UID);
2786 return FALSE;
2789 if (dwFlags) {
2790 SetLastError(NTE_BAD_FLAGS);
2791 return FALSE;
2794 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2796 SetLastError(NTE_BAD_KEY);
2797 return FALSE;
2800 switch (dwParam)
2802 case KP_IV:
2803 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pCryptKey->abInitVector,
2804 pCryptKey->dwBlockLen);
2806 case KP_SALT:
2807 return copy_param(pbData, pdwDataLen,
2808 (CONST BYTE*)&pCryptKey->abKeyValue[pCryptKey->dwKeyLen], pCryptKey->dwSaltLen);
2810 case KP_KEYLEN:
2811 dwBitLen = pCryptKey->dwKeyLen << 3;
2812 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwBitLen, sizeof(DWORD));
2814 case KP_BLOCKLEN:
2815 dwBitLen = pCryptKey->dwBlockLen << 3;
2816 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwBitLen, sizeof(DWORD));
2818 case KP_MODE:
2819 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwMode, sizeof(DWORD));
2821 case KP_MODE_BITS:
2822 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwModeBits,
2823 sizeof(DWORD));
2825 case KP_PERMISSIONS:
2826 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->dwPermissions,
2827 sizeof(DWORD));
2829 case KP_ALGID:
2830 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&pCryptKey->aiAlgid, sizeof(DWORD));
2832 default:
2833 SetLastError(NTE_BAD_TYPE);
2834 return FALSE;
2838 /******************************************************************************
2839 * CPGetProvParam (RSAENH.@)
2841 * Query a CSP parameter.
2843 * PARAMS
2844 * hProv [I] The key container that is to be queried.
2845 * dwParam [I] Specifies the parameter that is to be queried.
2846 * pbData [I] Pointer to the buffer where the parameter value will be stored.
2847 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
2848 * dwFlags [I] CRYPT_FIRST: Start enumeration (for PP_ENUMALGS{_EX}).
2850 * RETURNS
2851 * Success: TRUE
2852 * Failure: FALSE
2853 * NOTES:
2854 * Defined dwParam types:
2855 * - PP_CONTAINER: Name of the key container.
2856 * - PP_NAME: Name of the cryptographic service provider.
2857 * - PP_SIG_KEYSIZE_INC: RSA signature keywidth granularity in bits.
2858 * - PP_KEYX_KEYSIZE_INC: RSA key-exchange keywidth granularity in bits.
2859 * - PP_ENUMALGS{_EX}: Query provider capabilities.
2861 BOOL WINAPI RSAENH_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
2862 DWORD *pdwDataLen, DWORD dwFlags)
2864 KEYCONTAINER *pKeyContainer;
2865 PROV_ENUMALGS provEnumalgs;
2866 DWORD dwTemp;
2867 CHAR szRSABase[MAX_PATH];
2868 HKEY hKey, hRootKey;
2870 /* This is for dwParam 41, which does not seem to be documented
2871 * on MSDN. IE6 SP1 asks for it in the 'About' dialog, however.
2872 * Returning this BLOB seems to satisfy IE. The marked 0x00 seem
2873 * to be 'don't care's. If you know anything more specific about
2874 * provider parameter 41, please report to wine-devel@winehq.org */
2875 static CONST BYTE abWTF[96] = {
2876 0xb0, 0x25, 0x63, 0x86, 0x9c, 0xab, 0xb6, 0x37,
2877 0xe8, 0x82, /**/0x00,/**/ 0x72, 0x06, 0xb2, /**/0x00,/**/ 0x3b,
2878 0x60, 0x35, /**/0x00,/**/ 0x3b, 0x88, 0xce, /**/0x00,/**/ 0x82,
2879 0xbc, 0x7a, /**/0x00,/**/ 0xb7, 0x4f, 0x7e, /**/0x00,/**/ 0xde,
2880 0x92, 0xf1, /**/0x00,/**/ 0x83, 0xea, 0x5e, /**/0x00,/**/ 0xc8,
2881 0x12, 0x1e, 0xd4, 0x06, 0xf7, 0x66, /**/0x00,/**/ 0x01,
2882 0x29, 0xa4, /**/0x00,/**/ 0xf8, 0x24, 0x0c, /**/0x00,/**/ 0x33,
2883 0x06, 0x80, /**/0x00,/**/ 0x02, 0x46, 0x0b, /**/0x00,/**/ 0x6d,
2884 0x5b, 0xca, /**/0x00,/**/ 0x9a, 0x10, 0xf0, /**/0x00,/**/ 0x05,
2885 0x19, 0xd0, /**/0x00,/**/ 0x2c, 0xf6, 0x27, /**/0x00,/**/ 0xaa,
2886 0x7c, 0x6f, /**/0x00,/**/ 0xb9, 0xd8, 0x72, /**/0x00,/**/ 0x03,
2887 0xf3, 0x81, /**/0x00,/**/ 0xfa, 0xe8, 0x26, /**/0x00,/**/ 0xca
2890 TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
2891 hProv, dwParam, pbData, pdwDataLen, dwFlags);
2893 if (!pdwDataLen) {
2894 SetLastError(ERROR_INVALID_PARAMETER);
2895 return FALSE;
2898 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2899 (OBJECTHDR**)&pKeyContainer))
2901 /* MSDN: hProv not containing valid context handle */
2902 SetLastError(NTE_BAD_UID);
2903 return FALSE;
2906 switch (dwParam)
2908 case PP_CONTAINER:
2909 case PP_UNIQUE_CONTAINER:/* MSDN says we can return the same value as PP_CONTAINER */
2910 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szName,
2911 strlen(pKeyContainer->szName)+1);
2913 case PP_NAME:
2914 return copy_param(pbData, pdwDataLen, (CONST BYTE*)pKeyContainer->szProvName,
2915 strlen(pKeyContainer->szProvName)+1);
2917 case PP_PROVTYPE:
2918 dwTemp = PROV_RSA_FULL;
2919 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2921 case PP_KEYSPEC:
2922 dwTemp = AT_SIGNATURE | AT_KEYEXCHANGE;
2923 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2925 case PP_KEYSET_TYPE:
2926 dwTemp = pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET;
2927 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2929 case PP_KEYSTORAGE:
2930 dwTemp = CRYPT_SEC_DESCR;
2931 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2933 case PP_SIG_KEYSIZE_INC:
2934 case PP_KEYX_KEYSIZE_INC:
2935 dwTemp = 8;
2936 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2938 case PP_IMPTYPE:
2939 dwTemp = CRYPT_IMPL_SOFTWARE;
2940 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2942 case PP_VERSION:
2943 dwTemp = 0x00000200;
2944 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&dwTemp, sizeof(dwTemp));
2946 case PP_ENUMCONTAINERS:
2947 if ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) pKeyContainer->dwEnumContainersCtr = 0;
2949 if (!pbData) {
2950 *pdwDataLen = (DWORD)MAX_PATH + 1;
2951 return TRUE;
2954 sprintf(szRSABase, RSAENH_REGKEY, "");
2956 if (dwFlags & CRYPT_MACHINE_KEYSET) {
2957 hRootKey = HKEY_LOCAL_MACHINE;
2958 } else {
2959 hRootKey = HKEY_CURRENT_USER;
2962 if (RegOpenKeyExA(hRootKey, szRSABase, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
2964 SetLastError(ERROR_NO_MORE_ITEMS);
2965 return FALSE;
2968 dwTemp = *pdwDataLen;
2969 switch (RegEnumKeyExA(hKey, pKeyContainer->dwEnumContainersCtr, (LPSTR)pbData, &dwTemp,
2970 NULL, NULL, NULL, NULL))
2972 case ERROR_MORE_DATA:
2973 *pdwDataLen = (DWORD)MAX_PATH + 1;
2975 case ERROR_SUCCESS:
2976 pKeyContainer->dwEnumContainersCtr++;
2977 RegCloseKey(hKey);
2978 return TRUE;
2980 case ERROR_NO_MORE_ITEMS:
2981 default:
2982 SetLastError(ERROR_NO_MORE_ITEMS);
2983 RegCloseKey(hKey);
2984 return FALSE;
2987 case PP_ENUMALGS:
2988 case PP_ENUMALGS_EX:
2989 if (((pKeyContainer->dwEnumAlgsCtr >= RSAENH_MAX_ENUMALGS-1) ||
2990 (!aProvEnumAlgsEx[pKeyContainer->dwPersonality]
2991 [pKeyContainer->dwEnumAlgsCtr+1].aiAlgid)) &&
2992 ((dwFlags & CRYPT_FIRST) != CRYPT_FIRST))
2994 SetLastError(ERROR_NO_MORE_ITEMS);
2995 return FALSE;
2998 if (dwParam == PP_ENUMALGS) {
2999 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS)))
3000 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3001 0 : pKeyContainer->dwEnumAlgsCtr+1;
3003 provEnumalgs.aiAlgid = aProvEnumAlgsEx
3004 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].aiAlgid;
3005 provEnumalgs.dwBitLen = aProvEnumAlgsEx
3006 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwDefaultLen;
3007 provEnumalgs.dwNameLen = aProvEnumAlgsEx
3008 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwNameLen;
3009 memcpy(provEnumalgs.szName, aProvEnumAlgsEx
3010 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].szName,
3011 20*sizeof(CHAR));
3013 return copy_param(pbData, pdwDataLen, (CONST BYTE*)&provEnumalgs,
3014 sizeof(PROV_ENUMALGS));
3015 } else {
3016 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS_EX)))
3017 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3018 0 : pKeyContainer->dwEnumAlgsCtr+1;
3020 return copy_param(pbData, pdwDataLen,
3021 (CONST BYTE*)&aProvEnumAlgsEx
3022 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr],
3023 sizeof(PROV_ENUMALGS_EX));
3026 case 41: /* Undocumented. Asked for by IE About dialog */
3027 return copy_param(pbData, pdwDataLen, abWTF, sizeof(abWTF));
3029 default:
3030 /* MSDN: Unknown parameter number in dwParam */
3031 SetLastError(NTE_BAD_TYPE);
3032 return FALSE;
3036 /******************************************************************************
3037 * CPDeriveKey (RSAENH.@)
3039 * Derives a key from a hash value.
3041 * PARAMS
3042 * hProv [I] Key container for which a key is to be generated.
3043 * Algid [I] Crypto algorithm identifier for the key to be generated.
3044 * hBaseData [I] Hash from whose value the key will be derived.
3045 * dwFlags [I] See Notes.
3046 * phKey [O] The generated key.
3048 * RETURNS
3049 * Success: TRUE
3050 * Failure: FALSE
3052 * NOTES
3053 * Defined flags:
3054 * - CRYPT_EXPORTABLE: Key can be exported.
3055 * - CRYPT_NO_SALT: No salt is used for 40 bit keys.
3056 * - CRYPT_CREATE_SALT: Use remaining bits as salt value.
3058 BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
3059 DWORD dwFlags, HCRYPTKEY *phKey)
3061 CRYPTKEY *pCryptKey, *pMasterKey;
3062 CRYPTHASH *pCryptHash;
3063 BYTE abHashValue[RSAENH_MAX_HASH_SIZE*2];
3064 DWORD dwLen;
3066 TRACE("(hProv=%08lx, Algid=%d, hBaseData=%08lx, dwFlags=%08x phKey=%p)\n", hProv, Algid,
3067 hBaseData, dwFlags, phKey);
3069 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3071 SetLastError(NTE_BAD_UID);
3072 return FALSE;
3075 if (!lookup_handle(&handle_table, hBaseData, RSAENH_MAGIC_HASH,
3076 (OBJECTHDR**)&pCryptHash))
3078 SetLastError(NTE_BAD_HASH);
3079 return FALSE;
3082 if (!phKey)
3084 SetLastError(ERROR_INVALID_PARAMETER);
3085 return FALSE;
3088 switch (GET_ALG_CLASS(Algid))
3090 case ALG_CLASS_DATA_ENCRYPT:
3091 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3092 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3095 * We derive the key material from the hash.
3096 * If the hash value is not large enough for the claimed key, we have to construct
3097 * a larger binary value based on the hash. This is documented in MSDN: CryptDeriveKey.
3099 dwLen = RSAENH_MAX_HASH_SIZE;
3100 RSAENH_CPGetHashParam(pCryptHash->hProv, hBaseData, HP_HASHVAL, abHashValue, &dwLen, 0);
3102 if (dwLen < pCryptKey->dwKeyLen) {
3103 BYTE pad1[RSAENH_HMAC_DEF_PAD_LEN], pad2[RSAENH_HMAC_DEF_PAD_LEN];
3104 BYTE old_hashval[RSAENH_MAX_HASH_SIZE];
3105 DWORD i;
3107 memcpy(old_hashval, pCryptHash->abHashValue, RSAENH_MAX_HASH_SIZE);
3109 for (i=0; i<RSAENH_HMAC_DEF_PAD_LEN; i++) {
3110 pad1[i] = RSAENH_HMAC_DEF_IPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3111 pad2[i] = RSAENH_HMAC_DEF_OPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3114 init_hash(pCryptHash);
3115 update_hash(pCryptHash, pad1, RSAENH_HMAC_DEF_PAD_LEN);
3116 finalize_hash(pCryptHash);
3117 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
3119 init_hash(pCryptHash);
3120 update_hash(pCryptHash, pad2, RSAENH_HMAC_DEF_PAD_LEN);
3121 finalize_hash(pCryptHash);
3122 memcpy(abHashValue+pCryptHash->dwHashSize, pCryptHash->abHashValue,
3123 pCryptHash->dwHashSize);
3125 memcpy(pCryptHash->abHashValue, old_hashval, RSAENH_MAX_HASH_SIZE);
3128 memcpy(pCryptKey->abKeyValue, abHashValue,
3129 RSAENH_MIN(pCryptKey->dwKeyLen, sizeof(pCryptKey->abKeyValue)));
3130 break;
3132 case ALG_CLASS_MSG_ENCRYPT:
3133 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3134 (OBJECTHDR**)&pMasterKey))
3136 SetLastError(NTE_FAIL); /* FIXME error code */
3137 return FALSE;
3140 switch (Algid)
3142 /* See RFC 2246, chapter 6.3 Key calculation */
3143 case CALG_SCHANNEL_ENC_KEY:
3144 *phKey = new_key(hProv, pMasterKey->siSChannelInfo.saEncAlg.Algid,
3145 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saEncAlg.cBits),
3146 &pCryptKey);
3147 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3148 memcpy(pCryptKey->abKeyValue,
3149 pCryptHash->abHashValue + (
3150 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3151 ((dwFlags & CRYPT_SERVER) ?
3152 (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) : 0)),
3153 pMasterKey->siSChannelInfo.saEncAlg.cBits / 8);
3154 memcpy(pCryptKey->abInitVector,
3155 pCryptHash->abHashValue + (
3156 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3157 2 * (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) +
3158 ((dwFlags & CRYPT_SERVER) ? pCryptKey->dwBlockLen : 0)),
3159 pCryptKey->dwBlockLen);
3160 break;
3162 case CALG_SCHANNEL_MAC_KEY:
3163 *phKey = new_key(hProv, Algid,
3164 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saMACAlg.cBits),
3165 &pCryptKey);
3166 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3167 memcpy(pCryptKey->abKeyValue,
3168 pCryptHash->abHashValue + ((dwFlags & CRYPT_SERVER) ?
3169 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8 : 0),
3170 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8);
3171 break;
3173 default:
3174 SetLastError(NTE_BAD_ALGID);
3175 return FALSE;
3177 break;
3179 default:
3180 SetLastError(NTE_BAD_ALGID);
3181 return FALSE;
3184 setup_key(pCryptKey);
3185 return TRUE;
3188 /******************************************************************************
3189 * CPGetUserKey (RSAENH.@)
3191 * Returns a handle to the user's private key-exchange- or signature-key.
3193 * PARAMS
3194 * hProv [I] The key container from which a user key is requested.
3195 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
3196 * phUserKey [O] Handle to the requested key or INVALID_HANDLE_VALUE in case of failure.
3198 * RETURNS
3199 * Success: TRUE.
3200 * Failure: FALSE.
3202 * NOTE
3203 * A newly created key container does not contain private user key. Create them with CPGenKey.
3205 BOOL WINAPI RSAENH_CPGetUserKey(HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
3207 KEYCONTAINER *pKeyContainer;
3209 TRACE("(hProv=%08lx, dwKeySpec=%08x, phUserKey=%p)\n", hProv, dwKeySpec, phUserKey);
3211 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3212 (OBJECTHDR**)&pKeyContainer))
3214 /* MSDN: hProv not containing valid context handle */
3215 SetLastError(NTE_BAD_UID);
3216 return FALSE;
3219 switch (dwKeySpec)
3221 case AT_KEYEXCHANGE:
3222 copy_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
3223 phUserKey);
3224 break;
3226 case AT_SIGNATURE:
3227 copy_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
3228 phUserKey);
3229 break;
3231 default:
3232 *phUserKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
3235 if (*phUserKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
3237 /* MSDN: dwKeySpec parameter specifies nonexistent key */
3238 SetLastError(NTE_NO_KEY);
3239 return FALSE;
3242 return TRUE;
3245 /******************************************************************************
3246 * CPHashData (RSAENH.@)
3248 * Updates a hash object with the given data.
3250 * PARAMS
3251 * hProv [I] Key container to which the hash object belongs.
3252 * hHash [I] Hash object which is to be updated.
3253 * pbData [I] Pointer to data with which the hash object is to be updated.
3254 * dwDataLen [I] Length of the data.
3255 * dwFlags [I] Currently none defined.
3257 * RETURNS
3258 * Success: TRUE.
3259 * Failure: FALSE.
3261 * NOTES
3262 * The actual hash value is queried with CPGetHashParam, which will finalize
3263 * the hash. Updating a finalized hash will fail with a last error NTE_BAD_HASH_STATE.
3265 BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbData,
3266 DWORD dwDataLen, DWORD dwFlags)
3268 CRYPTHASH *pCryptHash;
3270 TRACE("(hProv=%08lx, hHash=%08lx, pbData=%p, dwDataLen=%d, dwFlags=%08x)\n",
3271 hProv, hHash, pbData, dwDataLen, dwFlags);
3273 if (dwFlags)
3275 SetLastError(NTE_BAD_FLAGS);
3276 return FALSE;
3279 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
3280 (OBJECTHDR**)&pCryptHash))
3282 SetLastError(NTE_BAD_HASH);
3283 return FALSE;
3286 if (!get_algid_info(hProv, pCryptHash->aiAlgid) || pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
3288 SetLastError(NTE_BAD_ALGID);
3289 return FALSE;
3292 if (pCryptHash->dwState == RSAENH_HASHSTATE_IDLE)
3293 pCryptHash->dwState = RSAENH_HASHSTATE_HASHING;
3295 if (pCryptHash->dwState != RSAENH_HASHSTATE_HASHING)
3297 SetLastError(NTE_BAD_HASH_STATE);
3298 return FALSE;
3301 update_hash(pCryptHash, pbData, dwDataLen);
3302 return TRUE;
3305 /******************************************************************************
3306 * CPHashSessionKey (RSAENH.@)
3308 * Updates a hash object with the binary representation of a symmetric key.
3310 * PARAMS
3311 * hProv [I] Key container to which the hash object belongs.
3312 * hHash [I] Hash object which is to be updated.
3313 * hKey [I] The symmetric key, whose binary value will be added to the hash.
3314 * dwFlags [I] CRYPT_LITTLE_ENDIAN, if the binary key value shall be interpreted as little endian.
3316 * RETURNS
3317 * Success: TRUE.
3318 * Failure: FALSE.
3320 BOOL WINAPI RSAENH_CPHashSessionKey(HCRYPTPROV hProv, HCRYPTHASH hHash, HCRYPTKEY hKey,
3321 DWORD dwFlags)
3323 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE], bTemp;
3324 CRYPTKEY *pKey;
3325 DWORD i;
3327 TRACE("(hProv=%08lx, hHash=%08lx, hKey=%08lx, dwFlags=%08x)\n", hProv, hHash, hKey, dwFlags);
3329 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pKey) ||
3330 (GET_ALG_CLASS(pKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT))
3332 SetLastError(NTE_BAD_KEY);
3333 return FALSE;
3336 if (dwFlags & ~CRYPT_LITTLE_ENDIAN) {
3337 SetLastError(NTE_BAD_FLAGS);
3338 return FALSE;
3341 memcpy(abKeyValue, pKey->abKeyValue, pKey->dwKeyLen);
3342 if (!(dwFlags & CRYPT_LITTLE_ENDIAN)) {
3343 for (i=0; i<pKey->dwKeyLen/2; i++) {
3344 bTemp = abKeyValue[i];
3345 abKeyValue[i] = abKeyValue[pKey->dwKeyLen-i-1];
3346 abKeyValue[pKey->dwKeyLen-i-1] = bTemp;
3350 return RSAENH_CPHashData(hProv, hHash, abKeyValue, pKey->dwKeyLen, 0);
3353 /******************************************************************************
3354 * CPReleaseContext (RSAENH.@)
3356 * Release a key container.
3358 * PARAMS
3359 * hProv [I] Key container to be released.
3360 * dwFlags [I] Currently none defined.
3362 * RETURNS
3363 * Success: TRUE
3364 * Failure: FALSE
3366 BOOL WINAPI RSAENH_CPReleaseContext(HCRYPTPROV hProv, DWORD dwFlags)
3368 TRACE("(hProv=%08lx, dwFlags=%08x)\n", hProv, dwFlags);
3370 if (!release_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3372 /* MSDN: hProv not containing valid context handle */
3373 SetLastError(NTE_BAD_UID);
3374 return FALSE;
3377 if (dwFlags) {
3378 SetLastError(NTE_BAD_FLAGS);
3379 return FALSE;
3382 return TRUE;
3385 /******************************************************************************
3386 * CPSetHashParam (RSAENH.@)
3388 * Set a parameter of a hash object
3390 * PARAMS
3391 * hProv [I] The key container to which the key belongs.
3392 * hHash [I] The hash object for which a parameter is to be set.
3393 * dwParam [I] Parameter type. See Notes.
3394 * pbData [I] Pointer to the parameter value.
3395 * dwFlags [I] Currently none defined.
3397 * RETURNS
3398 * Success: TRUE.
3399 * Failure: FALSE.
3401 * NOTES
3402 * Currently only the HP_HMAC_INFO dwParam type is defined.
3403 * The HMAC_INFO struct will be deep copied into the hash object.
3404 * See Internet RFC 2104 for details on the HMAC algorithm.
3406 BOOL WINAPI RSAENH_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam,
3407 BYTE *pbData, DWORD dwFlags)
3409 CRYPTHASH *pCryptHash;
3410 CRYPTKEY *pCryptKey;
3411 int i;
3413 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n",
3414 hProv, hHash, dwParam, pbData, dwFlags);
3416 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3418 SetLastError(NTE_BAD_UID);
3419 return FALSE;
3422 if (dwFlags) {
3423 SetLastError(NTE_BAD_FLAGS);
3424 return FALSE;
3427 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
3428 (OBJECTHDR**)&pCryptHash))
3430 SetLastError(NTE_BAD_HASH);
3431 return FALSE;
3434 switch (dwParam) {
3435 case HP_HMAC_INFO:
3436 free_hmac_info(pCryptHash->pHMACInfo);
3437 if (!copy_hmac_info(&pCryptHash->pHMACInfo, (PHMAC_INFO)pbData)) return FALSE;
3439 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3440 (OBJECTHDR**)&pCryptKey))
3442 SetLastError(NTE_FAIL); /* FIXME: correct error code? */
3443 return FALSE;
3446 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbInnerString); i++) {
3447 pCryptHash->pHMACInfo->pbInnerString[i] ^= pCryptKey->abKeyValue[i];
3449 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbOuterString); i++) {
3450 pCryptHash->pHMACInfo->pbOuterString[i] ^= pCryptKey->abKeyValue[i];
3453 init_hash(pCryptHash);
3454 return TRUE;
3456 case HP_HASHVAL:
3457 memcpy(pCryptHash->abHashValue, pbData, pCryptHash->dwHashSize);
3458 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
3459 return TRUE;
3461 case HP_TLS1PRF_SEED:
3462 return copy_data_blob(&pCryptHash->tpPRFParams.blobSeed, (PCRYPT_DATA_BLOB)pbData);
3464 case HP_TLS1PRF_LABEL:
3465 return copy_data_blob(&pCryptHash->tpPRFParams.blobLabel, (PCRYPT_DATA_BLOB)pbData);
3467 default:
3468 SetLastError(NTE_BAD_TYPE);
3469 return FALSE;
3473 /******************************************************************************
3474 * CPSetProvParam (RSAENH.@)
3476 BOOL WINAPI RSAENH_CPSetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
3478 FIXME("(stub)\n");
3479 return FALSE;
3482 /******************************************************************************
3483 * CPSignHash (RSAENH.@)
3485 * Sign a hash object
3487 * PARAMS
3488 * hProv [I] The key container, to which the hash object belongs.
3489 * hHash [I] The hash object to be signed.
3490 * dwKeySpec [I] AT_SIGNATURE or AT_KEYEXCHANGE: Key used to generate the signature.
3491 * sDescription [I] Should be NULL for security reasons.
3492 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
3493 * pbSignature [O] Buffer, to which the signature will be stored. May be NULL to query SigLen.
3494 * pdwSigLen [I/O] Size of the buffer (in), Length of the signature (out)
3496 * RETURNS
3497 * Success: TRUE
3498 * Failure: FALSE
3500 BOOL WINAPI RSAENH_CPSignHash(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwKeySpec,
3501 LPCWSTR sDescription, DWORD dwFlags, BYTE *pbSignature,
3502 DWORD *pdwSigLen)
3504 HCRYPTKEY hCryptKey;
3505 CRYPTKEY *pCryptKey;
3506 DWORD dwHashLen;
3507 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
3508 ALG_ID aiAlgid;
3510 TRACE("(hProv=%08lx, hHash=%08lx, dwKeySpec=%08x, sDescription=%s, dwFlags=%08x, "
3511 "pbSignature=%p, pdwSigLen=%p)\n", hProv, hHash, dwKeySpec, debugstr_w(sDescription),
3512 dwFlags, pbSignature, pdwSigLen);
3514 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
3515 SetLastError(NTE_BAD_FLAGS);
3516 return FALSE;
3519 if (!RSAENH_CPGetUserKey(hProv, dwKeySpec, &hCryptKey)) return FALSE;
3521 if (!lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
3522 (OBJECTHDR**)&pCryptKey))
3524 SetLastError(NTE_NO_KEY);
3525 return FALSE;
3528 if (!pbSignature) {
3529 *pdwSigLen = pCryptKey->dwKeyLen;
3530 return TRUE;
3532 if (pCryptKey->dwKeyLen > *pdwSigLen)
3534 SetLastError(ERROR_MORE_DATA);
3535 *pdwSigLen = pCryptKey->dwKeyLen;
3536 return FALSE;
3538 *pdwSigLen = pCryptKey->dwKeyLen;
3540 if (sDescription) {
3541 if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
3542 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
3544 return FALSE;
3548 dwHashLen = sizeof(DWORD);
3549 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
3551 dwHashLen = RSAENH_MAX_HASH_SIZE;
3552 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
3555 if (!build_hash_signature(pbSignature, *pdwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
3556 return FALSE;
3559 return encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbSignature, pbSignature, RSAENH_ENCRYPT);
3562 /******************************************************************************
3563 * CPVerifySignature (RSAENH.@)
3565 * Verify the signature of a hash object.
3567 * PARAMS
3568 * hProv [I] The key container, to which the hash belongs.
3569 * hHash [I] The hash for which the signature is verified.
3570 * pbSignature [I] The binary signature.
3571 * dwSigLen [I] Length of the signature BLOB.
3572 * hPubKey [I] Public key used to verify the signature.
3573 * sDescription [I] Should be NULL for security reasons.
3574 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
3576 * RETURNS
3577 * Success: TRUE (Signature is valid)
3578 * Failure: FALSE (GetLastError() == NTE_BAD_SIGNATURE, if signature is invalid)
3580 BOOL WINAPI RSAENH_CPVerifySignature(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbSignature,
3581 DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription,
3582 DWORD dwFlags)
3584 BYTE *pbConstructed = NULL, *pbDecrypted = NULL;
3585 CRYPTKEY *pCryptKey;
3586 DWORD dwHashLen;
3587 ALG_ID aiAlgid;
3588 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
3589 BOOL res = FALSE;
3591 TRACE("(hProv=%08lx, hHash=%08lx, pbSignature=%p, dwSigLen=%d, hPubKey=%08lx, sDescription=%s, "
3592 "dwFlags=%08x)\n", hProv, hHash, pbSignature, dwSigLen, hPubKey, debugstr_w(sDescription),
3593 dwFlags);
3595 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
3596 SetLastError(NTE_BAD_FLAGS);
3597 return FALSE;
3600 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3602 SetLastError(NTE_BAD_UID);
3603 return FALSE;
3606 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY,
3607 (OBJECTHDR**)&pCryptKey))
3609 SetLastError(NTE_BAD_KEY);
3610 return FALSE;
3613 /* in Microsoft implementation, the signature length is checked before
3614 * the signature pointer.
3616 if (dwSigLen != pCryptKey->dwKeyLen)
3618 SetLastError(NTE_BAD_SIGNATURE);
3619 return FALSE;
3622 if (!hHash || !pbSignature)
3624 SetLastError(ERROR_INVALID_PARAMETER);
3625 return FALSE;
3628 if (sDescription) {
3629 if (!RSAENH_CPHashData(hProv, hHash, (CONST BYTE*)sDescription,
3630 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
3632 return FALSE;
3636 dwHashLen = sizeof(DWORD);
3637 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
3639 dwHashLen = RSAENH_MAX_HASH_SIZE;
3640 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
3642 pbConstructed = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
3643 if (!pbConstructed) {
3644 SetLastError(NTE_NO_MEMORY);
3645 goto cleanup;
3648 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
3649 if (!pbDecrypted) {
3650 SetLastError(NTE_NO_MEMORY);
3651 goto cleanup;
3654 if (!encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbSignature, pbDecrypted,
3655 RSAENH_DECRYPT))
3657 goto cleanup;
3660 if (!build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
3661 goto cleanup;
3664 if (memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
3665 SetLastError(NTE_BAD_SIGNATURE);
3666 goto cleanup;
3669 res = TRUE;
3670 cleanup:
3671 HeapFree(GetProcessHeap(), 0, pbConstructed);
3672 HeapFree(GetProcessHeap(), 0, pbDecrypted);
3673 return res;
3676 static const WCHAR szProviderKeys[4][97] = {
3677 { 'S','o','f','t','w','a','r','e','\\',
3678 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3679 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3680 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ','B','a','s',
3681 'e',' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3682 'o','v','i','d','e','r',' ','v','1','.','0',0 },
3683 { 'S','o','f','t','w','a','r','e','\\',
3684 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3685 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3686 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ',
3687 'E','n','h','a','n','c','e','d',
3688 ' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3689 'o','v','i','d','e','r',' ','v','1','.','0',0 },
3690 { 'S','o','f','t','w','a','r','e','\\',
3691 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3692 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3693 'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ','S','t','r','o','n','g',
3694 ' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
3695 'o','v','i','d','e','r',0 },
3696 { 'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
3697 'C','r','y','p','t','o','g','r','a','p','h','y','\\','D','e','f','a','u','l','t','s','\\',
3698 'P','r','o','v','i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ',
3699 'R','S','A',' ','S','C','h','a','n','n','e','l',' ',
3700 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r','o','v','i','d','e','r',0 }
3702 static const WCHAR szDefaultKeys[2][65] = {
3703 { 'S','o','f','t','w','a','r','e','\\',
3704 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3705 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3706 'i','d','e','r',' ','T','y','p','e','s','\\','T','y','p','e',' ','0','0','1',0 },
3707 { 'S','o','f','t','w','a','r','e','\\',
3708 'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
3709 'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
3710 'i','d','e','r',' ','T','y','p','e','s','\\','T','y','p','e',' ','0','1','2',0 }
3714 /******************************************************************************
3715 * DllRegisterServer (RSAENH.@)
3717 * Dll self registration.
3719 * PARAMS
3721 * RETURNS
3722 * Success: S_OK.
3723 * Failure: != S_OK
3725 * NOTES
3726 * Registers the following keys:
3727 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3728 * Microsoft Base Cryptographic Provider v1.0
3729 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3730 * Microsoft Enhanced Cryptographic Provider
3731 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider\
3732 * Microsoft Strong Cryptographpic Provider
3733 * - HKLM\Software\Microsoft\Cryptography\Defaults\Provider Types\Type 001
3735 HRESULT WINAPI DllRegisterServer(void)
3737 HKEY key;
3738 DWORD dp;
3739 long apiRet;
3740 int i;
3742 for (i=0; i<4; i++) {
3743 apiRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, szProviderKeys[i], 0, NULL,
3744 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &key, &dp);
3746 if (apiRet == ERROR_SUCCESS)
3748 if (dp == REG_CREATED_NEW_KEY)
3750 static const WCHAR szImagePath[] = { 'I','m','a','g','e',' ','P','a','t','h',0 };
3751 static const WCHAR szRSABase[] = { 'r','s','a','e','n','h','.','d','l','l',0 };
3752 static const WCHAR szType[] = { 'T','y','p','e',0 };
3753 static const WCHAR szSignature[] = { 'S','i','g','n','a','t','u','r','e',0 };
3754 DWORD type = (i == 3) ? PROV_RSA_SCHANNEL : PROV_RSA_FULL;
3755 DWORD sign = 0xdeadbeef;
3756 RegSetValueExW(key, szImagePath, 0, REG_SZ, (const BYTE *)szRSABase,
3757 (lstrlenW(szRSABase) + 1) * sizeof(WCHAR));
3758 RegSetValueExW(key, szType, 0, REG_DWORD, (LPBYTE)&type, sizeof(type));
3759 RegSetValueExW(key, szSignature, 0, REG_BINARY, (LPBYTE)&sign, sizeof(sign));
3761 RegCloseKey(key);
3765 for (i=0; i<2; i++) {
3766 apiRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, szDefaultKeys[i], 0, NULL,
3767 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &key, &dp);
3768 if (apiRet == ERROR_SUCCESS)
3770 if (dp == REG_CREATED_NEW_KEY)
3772 static const WCHAR szName[] = { 'N','a','m','e',0 };
3773 static const WCHAR szRSAName[2][46] = {
3774 { 'M','i','c','r','o','s','o','f','t',' ', 'B','a','s','e',' ',
3775 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ',
3776 'P','r','o','v','i','d','e','r',' ','v','1','.','0',0 },
3777 { 'M','i','c','r','o','s','o','f','t',' ','R','S','A',' ',
3778 'S','C','h','a','n','n','e','l',' ',
3779 'C','r','y','p','t','o','g','r','a','p','h','i','c',' ',
3780 'P','r','o','v','i','d','e','r',0 } };
3781 static const WCHAR szTypeName[] = { 'T','y','p','e','N','a','m','e',0 };
3782 static const WCHAR szRSATypeName[2][38] = {
3783 { 'R','S','A',' ','F','u','l','l',' ',
3784 '(','S','i','g','n','a','t','u','r','e',' ','a','n','d',' ',
3785 'K','e','y',' ','E','x','c','h','a','n','g','e',')',0 },
3786 { 'R','S','A',' ','S','C','h','a','n','n','e','l',0 } };
3788 RegSetValueExW(key, szName, 0, REG_SZ,
3789 (const BYTE *)szRSAName[i], lstrlenW(szRSAName[i])*sizeof(WCHAR)+sizeof(WCHAR));
3790 RegSetValueExW(key, szTypeName, 0, REG_SZ,
3791 (const BYTE *)szRSATypeName[i], lstrlenW(szRSATypeName[i])*sizeof(WCHAR)+sizeof(WCHAR));
3794 RegCloseKey(key);
3797 return HRESULT_FROM_WIN32(apiRet);
3800 /******************************************************************************
3801 * DllUnregisterServer (RSAENH.@)
3803 * Dll self unregistration.
3805 * PARAMS
3807 * RETURNS
3808 * Success: S_OK
3810 * NOTES
3811 * For the relevant keys see DllRegisterServer.
3813 HRESULT WINAPI DllUnregisterServer(void)
3815 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[0]);
3816 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[1]);
3817 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[2]);
3818 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szProviderKeys[3]);
3819 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szDefaultKeys[0]);
3820 RegDeleteKeyW(HKEY_LOCAL_MACHINE, szDefaultKeys[1]);
3821 return S_OK;