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[reactos.git] / dll / win32 / rsaenh / rsaenh.c
1 /*
2 * dlls/rsaenh/rsaenh.c
3 * RSAENH - RSA encryption for Wine
4 *
5 * Copyright 2002 TransGaming Technologies (David Hammerton)
6 * Copyright 2004 Mike McCormack for CodeWeavers
7 * Copyright 2004, 2005 Michael Jung
8 * Copyright 2007 Vijay Kiran Kamuju
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25 #define WIN32_NO_STATUS
26 #define _INC_WINDOWS
27 #define COM_NO_WINDOWS_H
28
29 #include <config.h>
30 //#include "wine/port.h"
31 #include <wine/library.h>
32 #include <wine/debug.h>
33
34 //#include <stdarg.h>
35 //#include <stdio.h>
36
37 #include <windef.h>
38 //#include "winbase.h"
39 #include <winreg.h>
40 #include <wincrypt.h>
41 #include "handle.h"
42 #include "implglue.h"
43 #include <objbase.h>
44 #include <rpcproxy.h>
45 #include <aclapi.h>
46
47 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
48
49 static HINSTANCE instance;
50
51 /******************************************************************************
52 * CRYPTHASH - hash objects
53 */
54 #define RSAENH_MAGIC_HASH 0x85938417u
55 #define RSAENH_MAX_HASH_SIZE 104
56 #define RSAENH_HASHSTATE_HASHING 1
57 #define RSAENH_HASHSTATE_FINISHED 2
58 typedef struct _RSAENH_TLS1PRF_PARAMS
59 {
60 CRYPT_DATA_BLOB blobLabel;
61 CRYPT_DATA_BLOB blobSeed;
62 } RSAENH_TLS1PRF_PARAMS;
63
64 typedef struct tagCRYPTHASH
65 {
66 OBJECTHDR header;
67 ALG_ID aiAlgid;
68 HCRYPTKEY hKey;
69 HCRYPTPROV hProv;
70 DWORD dwHashSize;
71 DWORD dwState;
72 HASH_CONTEXT context;
73 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
74 PHMAC_INFO pHMACInfo;
75 RSAENH_TLS1PRF_PARAMS tpPRFParams;
76 } CRYPTHASH;
77
78 /******************************************************************************
79 * CRYPTKEY - key objects
80 */
81 #define RSAENH_MAGIC_KEY 0x73620457u
82 #define RSAENH_MAX_KEY_SIZE 64
83 #define RSAENH_MAX_BLOCK_SIZE 24
84 #define RSAENH_KEYSTATE_IDLE 0
85 #define RSAENH_KEYSTATE_ENCRYPTING 1
86 #define RSAENH_KEYSTATE_MASTERKEY 2
87 typedef struct _RSAENH_SCHANNEL_INFO
88 {
89 SCHANNEL_ALG saEncAlg;
90 SCHANNEL_ALG saMACAlg;
91 CRYPT_DATA_BLOB blobClientRandom;
92 CRYPT_DATA_BLOB blobServerRandom;
93 } RSAENH_SCHANNEL_INFO;
94
95 typedef struct tagCRYPTKEY
96 {
97 OBJECTHDR header;
98 ALG_ID aiAlgid;
99 HCRYPTPROV hProv;
100 DWORD dwMode;
101 DWORD dwModeBits;
102 DWORD dwPermissions;
103 DWORD dwKeyLen;
104 DWORD dwEffectiveKeyLen;
105 DWORD dwSaltLen;
106 DWORD dwBlockLen;
107 DWORD dwState;
108 KEY_CONTEXT context;
109 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE];
110 BYTE abInitVector[RSAENH_MAX_BLOCK_SIZE];
111 BYTE abChainVector[RSAENH_MAX_BLOCK_SIZE];
112 RSAENH_SCHANNEL_INFO siSChannelInfo;
113 CRYPT_DATA_BLOB blobHmacKey;
114 } CRYPTKEY;
115
116 /******************************************************************************
117 * KEYCONTAINER - key containers
118 */
119 #define RSAENH_PERSONALITY_BASE 0u
120 #define RSAENH_PERSONALITY_STRONG 1u
121 #define RSAENH_PERSONALITY_ENHANCED 2u
122 #define RSAENH_PERSONALITY_SCHANNEL 3u
123 #define RSAENH_PERSONALITY_AES 4u
124
125 #define RSAENH_MAGIC_CONTAINER 0x26384993u
126 typedef struct tagKEYCONTAINER
127 {
128 OBJECTHDR header;
129 DWORD dwFlags;
130 DWORD dwPersonality;
131 DWORD dwEnumAlgsCtr;
132 DWORD dwEnumContainersCtr;
133 CHAR szName[MAX_PATH];
134 CHAR szProvName[MAX_PATH];
135 HCRYPTKEY hKeyExchangeKeyPair;
136 HCRYPTKEY hSignatureKeyPair;
137 } KEYCONTAINER;
138
139 /******************************************************************************
140 * Some magic constants
141 */
142 #define RSAENH_ENCRYPT 1
143 #define RSAENH_DECRYPT 0
144 #define RSAENH_HMAC_DEF_IPAD_CHAR 0x36
145 #define RSAENH_HMAC_DEF_OPAD_CHAR 0x5c
146 #define RSAENH_HMAC_DEF_PAD_LEN 64
147 #define RSAENH_HMAC_BLOCK_LEN 64
148 #define RSAENH_DES_EFFECTIVE_KEYLEN 56
149 #define RSAENH_DES_STORAGE_KEYLEN 64
150 #define RSAENH_3DES112_EFFECTIVE_KEYLEN 112
151 #define RSAENH_3DES112_STORAGE_KEYLEN 128
152 #define RSAENH_3DES_EFFECTIVE_KEYLEN 168
153 #define RSAENH_3DES_STORAGE_KEYLEN 192
154 #define RSAENH_MAGIC_RSA2 0x32415352
155 #define RSAENH_MAGIC_RSA1 0x31415352
156 #define RSAENH_PKC_BLOCKTYPE 0x02
157 #define RSAENH_SSL3_VERSION_MAJOR 3
158 #define RSAENH_SSL3_VERSION_MINOR 0
159 #define RSAENH_TLS1_VERSION_MAJOR 3
160 #define RSAENH_TLS1_VERSION_MINOR 1
161 #define RSAENH_REGKEY "Software\\Wine\\Crypto\\RSA\\%s"
162
163 #define RSAENH_MIN(a,b) ((a)<(b)?(a):(b))
164 /******************************************************************************
165 * aProvEnumAlgsEx - Defines the capabilities of the CSP personalities.
166 */
167 #define RSAENH_MAX_ENUMALGS 24
168 #define RSAENH_PCT1_SSL2_SSL3_TLS1 (CRYPT_FLAG_PCT1|CRYPT_FLAG_SSL2|CRYPT_FLAG_SSL3|CRYPT_FLAG_TLS1)
169 static const PROV_ENUMALGS_EX aProvEnumAlgsEx[5][RSAENH_MAX_ENUMALGS+1] =
170 {
171 {
172 {CALG_RC2, 40, 40, 56,0, 4,"RC2", 24,"RSA Data Security's RC2"},
173 {CALG_RC4, 40, 40, 56,0, 4,"RC4", 24,"RSA Data Security's RC4"},
174 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
175 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
176 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
177 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
178 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
179 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
180 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
181 {CALG_RSA_SIGN, 512,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
182 {CALG_RSA_KEYX, 512,384, 1024,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
183 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
184 {0, 0, 0, 0,0, 1,"", 1,""}
185 },
186 {
187 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
188 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
189 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
190 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
191 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
192 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
193 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
194 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
195 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
196 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
197 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
198 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
199 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
200 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
201 {0, 0, 0, 0,0, 1,"", 1,""}
202 },
203 {
204 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
205 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
206 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
207 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
208 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
209 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
210 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
211 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
212 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
213 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
214 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
215 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
216 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
217 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
218 {0, 0, 0, 0,0, 1,"", 1,""}
219 },
220 {
221 {CALG_RC2, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC2", 24,"RSA Data Security's RC2"},
222 {CALG_RC4, 128, 40, 128,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"RC4", 24,"RSA Data Security's RC4"},
223 {CALG_DES, 56, 56, 56,RSAENH_PCT1_SSL2_SSL3_TLS1, 4,"DES", 31,"Data Encryption Standard (DES)"},
224 {CALG_3DES_112, 112,112, 112,RSAENH_PCT1_SSL2_SSL3_TLS1,13,"3DES TWO KEY",19,"Two Key Triple DES"},
225 {CALG_3DES, 168,168, 168,RSAENH_PCT1_SSL2_SSL3_TLS1, 5,"3DES", 21,"Three Key Triple DES"},
226 {CALG_SHA,160,160,160,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,6,"SHA-1",30,"Secure Hash Algorithm (SHA-1)"},
227 {CALG_MD5,128,128,128,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,4,"MD5",23,"Message Digest 5 (MD5)"},
228 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
229 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
230 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_SIGN",14,"RSA Signature"},
231 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|RSAENH_PCT1_SSL2_SSL3_TLS1,9,"RSA_KEYX",17,"RSA Key Exchange"},
232 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
233 {CALG_PCT1_MASTER,128,128,128,CRYPT_FLAG_PCT1, 12,"PCT1 MASTER",12,"PCT1 Master"},
234 {CALG_SSL2_MASTER,40,40, 192,CRYPT_FLAG_SSL2, 12,"SSL2 MASTER",12,"SSL2 Master"},
235 {CALG_SSL3_MASTER,384,384,384,CRYPT_FLAG_SSL3, 12,"SSL3 MASTER",12,"SSL3 Master"},
236 {CALG_TLS1_MASTER,384,384,384,CRYPT_FLAG_TLS1, 12,"TLS1 MASTER",12,"TLS1 Master"},
237 {CALG_SCHANNEL_MASTER_HASH,0,0,-1,0, 16,"SCH MASTER HASH",21,"SChannel Master Hash"},
238 {CALG_SCHANNEL_MAC_KEY,0,0,-1,0, 12,"SCH MAC KEY",17,"SChannel MAC Key"},
239 {CALG_SCHANNEL_ENC_KEY,0,0,-1,0, 12,"SCH ENC KEY",24,"SChannel Encryption Key"},
240 {CALG_TLS1PRF, 0, 0, -1,0, 9,"TLS1 PRF", 28,"TLS1 Pseudo Random Function"},
241 {0, 0, 0, 0,0, 1,"", 1,""}
242 },
243 {
244 {CALG_RC2, 128, 40, 128,0, 4,"RC2", 24,"RSA Data Security's RC2"},
245 {CALG_RC4, 128, 40, 128,0, 4,"RC4", 24,"RSA Data Security's RC4"},
246 {CALG_DES, 56, 56, 56,0, 4,"DES", 31,"Data Encryption Standard (DES)"},
247 {CALG_3DES_112, 112,112, 112,0, 13,"3DES TWO KEY",19,"Two Key Triple DES"},
248 {CALG_3DES, 168,168, 168,0, 5,"3DES", 21,"Three Key Triple DES"},
249 {CALG_AES, 128,128, 128,0, 4,"AES", 35,"Advanced Encryption Standard (AES)"},
250 {CALG_AES_128, 128,128, 128,0, 8,"AES-128", 39,"Advanced Encryption Standard (AES-128)"},
251 {CALG_AES_192, 192,192, 192,0, 8,"AES-192", 39,"Advanced Encryption Standard (AES-192)"},
252 {CALG_AES_256, 256,256, 256,0, 8,"AES-256", 39,"Advanced Encryption Standard (AES-256)"},
253 {CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
254 {CALG_SHA_256, 256,256, 256,CRYPT_FLAG_SIGNING, 6,"SHA-256", 30,"Secure Hash Algorithm (SHA-256)"},
255 {CALG_SHA_384, 384,384, 384,CRYPT_FLAG_SIGNING, 6,"SHA-384", 30,"Secure Hash Algorithm (SHA-284)"},
256 {CALG_SHA_512, 512,512, 512,CRYPT_FLAG_SIGNING, 6,"SHA-512", 30,"Secure Hash Algorithm (SHA-512)"},
257 {CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
258 {CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
259 {CALG_MD5, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD5", 23,"Message Digest 5 (MD5)"},
260 {CALG_SSL3_SHAMD5,288,288,288,0, 12,"SSL3 SHAMD5",12,"SSL3 SHAMD5"},
261 {CALG_MAC, 0, 0, 0,0, 4,"MAC", 28,"Message Authentication Code"},
262 {CALG_RSA_SIGN,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_SIGN",14,"RSA Signature"},
263 {CALG_RSA_KEYX,1024,384,16384,CRYPT_FLAG_SIGNING|CRYPT_FLAG_IPSEC,9,"RSA_KEYX",17,"RSA Key Exchange"},
264 {CALG_HMAC, 0, 0, 0,0, 5,"HMAC", 18,"Hugo's MAC (HMAC)"},
265 {0, 0, 0, 0,0, 1,"", 1,""}
266 }
267 };
268
269 /******************************************************************************
270 * API forward declarations
271 */
272 BOOL WINAPI
273 RSAENH_CPGetKeyParam(
274 HCRYPTPROV hProv,
275 HCRYPTKEY hKey,
276 DWORD dwParam,
277 BYTE *pbData,
278 DWORD *pdwDataLen,
279 DWORD dwFlags
280 );
281
282 BOOL WINAPI
283 RSAENH_CPEncrypt(
284 HCRYPTPROV hProv,
285 HCRYPTKEY hKey,
286 HCRYPTHASH hHash,
287 BOOL Final,
288 DWORD dwFlags,
289 BYTE *pbData,
290 DWORD *pdwDataLen,
291 DWORD dwBufLen
292 );
293
294 BOOL WINAPI
295 RSAENH_CPCreateHash(
296 HCRYPTPROV hProv,
297 ALG_ID Algid,
298 HCRYPTKEY hKey,
299 DWORD dwFlags,
300 HCRYPTHASH *phHash
301 );
302
303 BOOL WINAPI
304 RSAENH_CPSetHashParam(
305 HCRYPTPROV hProv,
306 HCRYPTHASH hHash,
307 DWORD dwParam,
308 BYTE *pbData, DWORD dwFlags
309 );
310
311 BOOL WINAPI
312 RSAENH_CPGetHashParam(
313 HCRYPTPROV hProv,
314 HCRYPTHASH hHash,
315 DWORD dwParam,
316 BYTE *pbData,
317 DWORD *pdwDataLen,
318 DWORD dwFlags
319 );
320
321 BOOL WINAPI
322 RSAENH_CPDestroyHash(
323 HCRYPTPROV hProv,
324 HCRYPTHASH hHash
325 );
326
327 static BOOL crypt_export_key(
328 CRYPTKEY *pCryptKey,
329 HCRYPTKEY hPubKey,
330 DWORD dwBlobType,
331 DWORD dwFlags,
332 BOOL force,
333 BYTE *pbData,
334 DWORD *pdwDataLen
335 );
336
337 static BOOL import_key(
338 HCRYPTPROV hProv,
339 const BYTE *pbData,
340 DWORD dwDataLen,
341 HCRYPTKEY hPubKey,
342 DWORD dwFlags,
343 BOOL fStoreKey,
344 HCRYPTKEY *phKey
345 );
346
347 BOOL WINAPI
348 RSAENH_CPHashData(
349 HCRYPTPROV hProv,
350 HCRYPTHASH hHash,
351 const BYTE *pbData,
352 DWORD dwDataLen,
353 DWORD dwFlags
354 );
355
356 /******************************************************************************
357 * CSP's handle table (used by all acquired key containers)
358 */
359 static struct handle_table handle_table;
360
361 /******************************************************************************
362 * DllMain (RSAENH.@)
363 *
364 * Initializes and destroys the handle table for the CSP's handles.
365 */
366 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID reserved)
367 {
368 switch (fdwReason)
369 {
370 case DLL_PROCESS_ATTACH:
371 instance = hInstance;
372 DisableThreadLibraryCalls(hInstance);
373 init_handle_table(&handle_table);
374 break;
375
376 case DLL_PROCESS_DETACH:
377 if (reserved) break;
378 destroy_handle_table(&handle_table);
379 break;
380 }
381 return TRUE;
382 }
383
384 /******************************************************************************
385 * copy_param [Internal]
386 *
387 * Helper function that supports the standard WINAPI protocol for querying data
388 * of dynamic size.
389 *
390 * PARAMS
391 * pbBuffer [O] Buffer where the queried parameter is copied to, if it is large enough.
392 * May be NUL if the required buffer size is to be queried only.
393 * pdwBufferSize [I/O] In: Size of the buffer at pbBuffer
394 * Out: Size of parameter pbParam
395 * pbParam [I] Parameter value.
396 * dwParamSize [I] Size of pbParam
397 *
398 * RETURN
399 * Success: TRUE (pbParam was copied into pbBuffer or pbBuffer is NULL)
400 * Failure: FALSE (pbBuffer is not large enough to hold pbParam). Last error: ERROR_MORE_DATA
401 */
402 static inline BOOL copy_param(BYTE *pbBuffer, DWORD *pdwBufferSize, const BYTE *pbParam,
403 DWORD dwParamSize)
404 {
405 if (pbBuffer)
406 {
407 if (dwParamSize > *pdwBufferSize)
408 {
409 SetLastError(ERROR_MORE_DATA);
410 *pdwBufferSize = dwParamSize;
411 return FALSE;
412 }
413 memcpy(pbBuffer, pbParam, dwParamSize);
414 }
415 *pdwBufferSize = dwParamSize;
416 return TRUE;
417 }
418
419 /******************************************************************************
420 * get_algid_info [Internal]
421 *
422 * Query CSP capabilities for a given crypto algorithm.
423 *
424 * PARAMS
425 * hProv [I] Handle to a key container of the CSP whose capabilities are to be queried.
426 * algid [I] Identifier of the crypto algorithm about which information is requested.
427 *
428 * RETURNS
429 * Success: Pointer to a PROV_ENUMALGS_EX struct containing information about the crypto algorithm.
430 * Failure: NULL (algid not supported)
431 */
432 static inline const PROV_ENUMALGS_EX* get_algid_info(HCRYPTPROV hProv, ALG_ID algid) {
433 const PROV_ENUMALGS_EX *iterator;
434 KEYCONTAINER *pKeyContainer;
435
436 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
437 SetLastError(NTE_BAD_UID);
438 return NULL;
439 }
440
441 for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
442 if (iterator->aiAlgid == algid) return iterator;
443 }
444
445 SetLastError(NTE_BAD_ALGID);
446 return NULL;
447 }
448
449 /******************************************************************************
450 * copy_data_blob [Internal]
451 *
452 * deeply copies a DATA_BLOB
453 *
454 * PARAMS
455 * dst [O] That's where the blob will be copied to
456 * src [I] Source blob
457 *
458 * RETURNS
459 * Success: TRUE
460 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY
461 *
462 * NOTES
463 * Use free_data_blob to release resources occupied by copy_data_blob.
464 */
465 static inline BOOL copy_data_blob(PCRYPT_DATA_BLOB dst, const PCRYPT_DATA_BLOB src)
466 {
467 dst->pbData = HeapAlloc(GetProcessHeap(), 0, src->cbData);
468 if (!dst->pbData) {
469 SetLastError(NTE_NO_MEMORY);
470 return FALSE;
471 }
472 dst->cbData = src->cbData;
473 memcpy(dst->pbData, src->pbData, src->cbData);
474 return TRUE;
475 }
476
477 /******************************************************************************
478 * concat_data_blobs [Internal]
479 *
480 * Concatenates two blobs
481 *
482 * PARAMS
483 * dst [O] The new blob will be copied here
484 * src1 [I] Prefix blob
485 * src2 [I] Appendix blob
486 *
487 * RETURNS
488 * Success: TRUE
489 * Failure: FALSE (GetLastError() == NTE_NO_MEMORY)
490 *
491 * NOTES
492 * Release resources occupied by concat_data_blobs with free_data_blobs
493 */
494 static inline BOOL concat_data_blobs(PCRYPT_DATA_BLOB dst, const PCRYPT_DATA_BLOB src1,
495 const PCRYPT_DATA_BLOB src2)
496 {
497 dst->cbData = src1->cbData + src2->cbData;
498 dst->pbData = HeapAlloc(GetProcessHeap(), 0, dst->cbData);
499 if (!dst->pbData) {
500 SetLastError(NTE_NO_MEMORY);
501 return FALSE;
502 }
503 memcpy(dst->pbData, src1->pbData, src1->cbData);
504 memcpy(dst->pbData + src1->cbData, src2->pbData, src2->cbData);
505 return TRUE;
506 }
507
508 /******************************************************************************
509 * free_data_blob [Internal]
510 *
511 * releases resource occupied by a dynamically allocated CRYPT_DATA_BLOB
512 *
513 * PARAMS
514 * pBlob [I] Heap space occupied by pBlob->pbData is released
515 */
516 static inline void free_data_blob(PCRYPT_DATA_BLOB pBlob) {
517 HeapFree(GetProcessHeap(), 0, pBlob->pbData);
518 }
519
520 /******************************************************************************
521 * init_data_blob [Internal]
522 */
523 static inline void init_data_blob(PCRYPT_DATA_BLOB pBlob) {
524 pBlob->pbData = NULL;
525 pBlob->cbData = 0;
526 }
527
528 /******************************************************************************
529 * free_hmac_info [Internal]
530 *
531 * Deeply free an HMAC_INFO struct.
532 *
533 * PARAMS
534 * hmac_info [I] Pointer to the HMAC_INFO struct to be freed.
535 *
536 * NOTES
537 * See Internet RFC 2104 for details on the HMAC algorithm.
538 */
539 static inline void free_hmac_info(PHMAC_INFO hmac_info) {
540 if (!hmac_info) return;
541 HeapFree(GetProcessHeap(), 0, hmac_info->pbInnerString);
542 HeapFree(GetProcessHeap(), 0, hmac_info->pbOuterString);
543 HeapFree(GetProcessHeap(), 0, hmac_info);
544 }
545
546 /******************************************************************************
547 * copy_hmac_info [Internal]
548 *
549 * Deeply copy an HMAC_INFO struct
550 *
551 * PARAMS
552 * dst [O] Pointer to a location where the pointer to the HMAC_INFO copy will be stored.
553 * src [I] Pointer to the HMAC_INFO struct to be copied.
554 *
555 * RETURNS
556 * Success: TRUE
557 * Failure: FALSE
558 *
559 * NOTES
560 * See Internet RFC 2104 for details on the HMAC algorithm.
561 */
562 static BOOL copy_hmac_info(PHMAC_INFO *dst, const HMAC_INFO *src) {
563 if (!src) return FALSE;
564 *dst = HeapAlloc(GetProcessHeap(), 0, sizeof(HMAC_INFO));
565 if (!*dst) return FALSE;
566 **dst = *src;
567 (*dst)->pbInnerString = NULL;
568 (*dst)->pbOuterString = NULL;
569 if ((*dst)->cbInnerString == 0) (*dst)->cbInnerString = RSAENH_HMAC_DEF_PAD_LEN;
570 (*dst)->pbInnerString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbInnerString);
571 if (!(*dst)->pbInnerString) {
572 free_hmac_info(*dst);
573 return FALSE;
574 }
575 if (src->cbInnerString)
576 memcpy((*dst)->pbInnerString, src->pbInnerString, src->cbInnerString);
577 else
578 memset((*dst)->pbInnerString, RSAENH_HMAC_DEF_IPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
579 if ((*dst)->cbOuterString == 0) (*dst)->cbOuterString = RSAENH_HMAC_DEF_PAD_LEN;
580 (*dst)->pbOuterString = HeapAlloc(GetProcessHeap(), 0, (*dst)->cbOuterString);
581 if (!(*dst)->pbOuterString) {
582 free_hmac_info(*dst);
583 return FALSE;
584 }
585 if (src->cbOuterString)
586 memcpy((*dst)->pbOuterString, src->pbOuterString, src->cbOuterString);
587 else
588 memset((*dst)->pbOuterString, RSAENH_HMAC_DEF_OPAD_CHAR, RSAENH_HMAC_DEF_PAD_LEN);
589 return TRUE;
590 }
591
592 /******************************************************************************
593 * destroy_hash [Internal]
594 *
595 * Destructor for hash objects
596 *
597 * PARAMS
598 * pCryptHash [I] Pointer to the hash object to be destroyed.
599 * Will be invalid after function returns!
600 */
601 static void destroy_hash(OBJECTHDR *pObject)
602 {
603 CRYPTHASH *pCryptHash = (CRYPTHASH*)pObject;
604
605 free_hmac_info(pCryptHash->pHMACInfo);
606 free_data_blob(&pCryptHash->tpPRFParams.blobLabel);
607 free_data_blob(&pCryptHash->tpPRFParams.blobSeed);
608 HeapFree(GetProcessHeap(), 0, pCryptHash);
609 }
610
611 /******************************************************************************
612 * init_hash [Internal]
613 *
614 * Initialize (or reset) a hash object
615 *
616 * PARAMS
617 * pCryptHash [I] The hash object to be initialized.
618 */
619 static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
620 DWORD dwLen;
621
622 switch (pCryptHash->aiAlgid)
623 {
624 case CALG_HMAC:
625 if (pCryptHash->pHMACInfo) {
626 const PROV_ENUMALGS_EX *pAlgInfo;
627
628 pAlgInfo = get_algid_info(pCryptHash->hProv, pCryptHash->pHMACInfo->HashAlgid);
629 if (!pAlgInfo) return FALSE;
630 pCryptHash->dwHashSize = pAlgInfo->dwDefaultLen >> 3;
631 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
632 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
633 pCryptHash->pHMACInfo->pbInnerString,
634 pCryptHash->pHMACInfo->cbInnerString);
635 }
636 return TRUE;
637
638 case CALG_MAC:
639 dwLen = sizeof(DWORD);
640 RSAENH_CPGetKeyParam(pCryptHash->hProv, pCryptHash->hKey, KP_BLOCKLEN,
641 (BYTE*)&pCryptHash->dwHashSize, &dwLen, 0);
642 pCryptHash->dwHashSize >>= 3;
643 return TRUE;
644
645 default:
646 return init_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context);
647 }
648 }
649
650 /******************************************************************************
651 * update_hash [Internal]
652 *
653 * Hashes the given data and updates the hash object's state accordingly
654 *
655 * PARAMS
656 * pCryptHash [I] Hash object to be updated.
657 * pbData [I] Pointer to data stream to be hashed.
658 * dwDataLen [I] Length of data stream.
659 */
660 static inline void update_hash(CRYPTHASH *pCryptHash, const BYTE *pbData, DWORD dwDataLen)
661 {
662 BYTE *pbTemp;
663
664 switch (pCryptHash->aiAlgid)
665 {
666 case CALG_HMAC:
667 if (pCryptHash->pHMACInfo)
668 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
669 pbData, dwDataLen);
670 break;
671
672 case CALG_MAC:
673 pbTemp = HeapAlloc(GetProcessHeap(), 0, dwDataLen);
674 if (!pbTemp) return;
675 memcpy(pbTemp, pbData, dwDataLen);
676 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, 0, FALSE, 0,
677 pbTemp, &dwDataLen, dwDataLen);
678 HeapFree(GetProcessHeap(), 0, pbTemp);
679 break;
680
681 default:
682 update_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pbData, dwDataLen);
683 }
684 }
685
686 /******************************************************************************
687 * finalize_hash [Internal]
688 *
689 * Finalizes the hash, after all data has been hashed with update_hash.
690 * No additional data can be hashed afterwards until the hash gets initialized again.
691 *
692 * PARAMS
693 * pCryptHash [I] Hash object to be finalized.
694 */
695 static inline void finalize_hash(CRYPTHASH *pCryptHash) {
696 DWORD dwDataLen;
697
698 switch (pCryptHash->aiAlgid)
699 {
700 case CALG_HMAC:
701 if (pCryptHash->pHMACInfo) {
702 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
703
704 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
705 pCryptHash->abHashValue);
706 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
707 init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
708 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
709 pCryptHash->pHMACInfo->pbOuterString,
710 pCryptHash->pHMACInfo->cbOuterString);
711 update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
712 abHashValue, pCryptHash->dwHashSize);
713 finalize_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
714 pCryptHash->abHashValue);
715 }
716 break;
717
718 case CALG_MAC:
719 dwDataLen = 0;
720 RSAENH_CPEncrypt(pCryptHash->hProv, pCryptHash->hKey, 0, TRUE, 0,
721 pCryptHash->abHashValue, &dwDataLen, pCryptHash->dwHashSize);
722 break;
723
724 default:
725 finalize_hash_impl(pCryptHash->aiAlgid, &pCryptHash->context, pCryptHash->abHashValue);
726 }
727 }
728
729 /******************************************************************************
730 * destroy_key [Internal]
731 *
732 * Destructor for key objects
733 *
734 * PARAMS
735 * pCryptKey [I] Pointer to the key object to be destroyed.
736 * Will be invalid after function returns!
737 */
738 static void destroy_key(OBJECTHDR *pObject)
739 {
740 CRYPTKEY *pCryptKey = (CRYPTKEY*)pObject;
741
742 free_key_impl(pCryptKey->aiAlgid, &pCryptKey->context);
743 free_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
744 free_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
745 free_data_blob(&pCryptKey->blobHmacKey);
746 HeapFree(GetProcessHeap(), 0, pCryptKey);
747 }
748
749 /******************************************************************************
750 * setup_key [Internal]
751 *
752 * Initialize (or reset) a key object
753 *
754 * PARAMS
755 * pCryptKey [I] The key object to be initialized.
756 */
757 static inline void setup_key(CRYPTKEY *pCryptKey) {
758 pCryptKey->dwState = RSAENH_KEYSTATE_IDLE;
759 memcpy(pCryptKey->abChainVector, pCryptKey->abInitVector, sizeof(pCryptKey->abChainVector));
760 setup_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen,
761 pCryptKey->dwEffectiveKeyLen, pCryptKey->dwSaltLen,
762 pCryptKey->abKeyValue);
763 }
764
765 /******************************************************************************
766 * new_key [Internal]
767 *
768 * Creates a new key object without assigning the actual binary key value.
769 * This is done by CPDeriveKey, CPGenKey or CPImportKey, which call this function.
770 *
771 * PARAMS
772 * hProv [I] Handle to the provider to which the created key will belong.
773 * aiAlgid [I] The new key shall use the crypto algorithm identified by aiAlgid.
774 * dwFlags [I] Upper 16 bits give the key length.
775 * Lower 16 bits: CRYPT_EXPORTABLE, CRYPT_CREATE_SALT,
776 * CRYPT_NO_SALT
777 * ppCryptKey [O] Pointer to the created key
778 *
779 * RETURNS
780 * Success: Handle to the created key.
781 * Failure: INVALID_HANDLE_VALUE
782 */
783 static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey)
784 {
785 HCRYPTKEY hCryptKey;
786 CRYPTKEY *pCryptKey;
787 DWORD dwKeyLen = HIWORD(dwFlags);
788 const PROV_ENUMALGS_EX *peaAlgidInfo;
789
790 *ppCryptKey = NULL;
791
792 /*
793 * Retrieve the CSP's capabilities for the given ALG_ID value
794 */
795 peaAlgidInfo = get_algid_info(hProv, aiAlgid);
796 if (!peaAlgidInfo) return (HCRYPTKEY)INVALID_HANDLE_VALUE;
797
798 TRACE("alg = %s, dwKeyLen = %d\n", debugstr_a(peaAlgidInfo->szName),
799 dwKeyLen);
800 /*
801 * Assume the default key length, if none is specified explicitly
802 */
803 if (dwKeyLen == 0) dwKeyLen = peaAlgidInfo->dwDefaultLen;
804
805 /*
806 * Check if the requested key length is supported by the current CSP.
807 * Adjust key length's for DES algorithms.
808 */
809 switch (aiAlgid) {
810 case CALG_DES:
811 if (dwKeyLen == RSAENH_DES_EFFECTIVE_KEYLEN) {
812 dwKeyLen = RSAENH_DES_STORAGE_KEYLEN;
813 }
814 if (dwKeyLen != RSAENH_DES_STORAGE_KEYLEN) {
815 SetLastError(NTE_BAD_FLAGS);
816 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
817 }
818 break;
819
820 case CALG_3DES_112:
821 if (dwKeyLen == RSAENH_3DES112_EFFECTIVE_KEYLEN) {
822 dwKeyLen = RSAENH_3DES112_STORAGE_KEYLEN;
823 }
824 if (dwKeyLen != RSAENH_3DES112_STORAGE_KEYLEN) {
825 SetLastError(NTE_BAD_FLAGS);
826 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
827 }
828 break;
829
830 case CALG_3DES:
831 if (dwKeyLen == RSAENH_3DES_EFFECTIVE_KEYLEN) {
832 dwKeyLen = RSAENH_3DES_STORAGE_KEYLEN;
833 }
834 if (dwKeyLen != RSAENH_3DES_STORAGE_KEYLEN) {
835 SetLastError(NTE_BAD_FLAGS);
836 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
837 }
838 break;
839
840 case CALG_HMAC:
841 /* Avoid the key length check for HMAC keys, which have unlimited
842 * length.
843 */
844 break;
845
846 default:
847 if (dwKeyLen % 8 ||
848 dwKeyLen > peaAlgidInfo->dwMaxLen ||
849 dwKeyLen < peaAlgidInfo->dwMinLen)
850 {
851 TRACE("key len %d out of bounds (%d, %d)\n", dwKeyLen,
852 peaAlgidInfo->dwMinLen, peaAlgidInfo->dwMaxLen);
853 SetLastError(NTE_BAD_DATA);
854 return (HCRYPTKEY)INVALID_HANDLE_VALUE;
855 }
856 }
857
858 hCryptKey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY,
859 destroy_key, (OBJECTHDR**)&pCryptKey);
860 if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
861 {
862 pCryptKey->aiAlgid = aiAlgid;
863 pCryptKey->hProv = hProv;
864 pCryptKey->dwModeBits = 0;
865 pCryptKey->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE |
866 CRYPT_MAC;
867 if (dwFlags & CRYPT_EXPORTABLE)
868 pCryptKey->dwPermissions |= CRYPT_EXPORT;
869 pCryptKey->dwKeyLen = dwKeyLen >> 3;
870 pCryptKey->dwEffectiveKeyLen = 0;
871 if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
872 pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen;
873 else
874 pCryptKey->dwSaltLen = 0;
875 memset(pCryptKey->abKeyValue, 0, sizeof(pCryptKey->abKeyValue));
876 memset(pCryptKey->abInitVector, 0, sizeof(pCryptKey->abInitVector));
877 memset(&pCryptKey->siSChannelInfo.saEncAlg, 0, sizeof(pCryptKey->siSChannelInfo.saEncAlg));
878 memset(&pCryptKey->siSChannelInfo.saMACAlg, 0, sizeof(pCryptKey->siSChannelInfo.saMACAlg));
879 init_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom);
880 init_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom);
881 init_data_blob(&pCryptKey->blobHmacKey);
882
883 switch(aiAlgid)
884 {
885 case CALG_PCT1_MASTER:
886 case CALG_SSL2_MASTER:
887 case CALG_SSL3_MASTER:
888 case CALG_TLS1_MASTER:
889 case CALG_RC4:
890 pCryptKey->dwBlockLen = 0;
891 pCryptKey->dwMode = 0;
892 break;
893
894 case CALG_RC2:
895 case CALG_DES:
896 case CALG_3DES_112:
897 case CALG_3DES:
898 pCryptKey->dwBlockLen = 8;
899 pCryptKey->dwMode = CRYPT_MODE_CBC;
900 break;
901
902 case CALG_AES:
903 case CALG_AES_128:
904 case CALG_AES_192:
905 case CALG_AES_256:
906 pCryptKey->dwBlockLen = 16;
907 pCryptKey->dwMode = CRYPT_MODE_ECB;
908 break;
909
910 case CALG_RSA_KEYX:
911 case CALG_RSA_SIGN:
912 pCryptKey->dwBlockLen = dwKeyLen >> 3;
913 pCryptKey->dwMode = 0;
914 break;
915
916 case CALG_HMAC:
917 pCryptKey->dwBlockLen = 0;
918 pCryptKey->dwMode = 0;
919 break;
920 }
921
922 *ppCryptKey = pCryptKey;
923 }
924
925 return hCryptKey;
926 }
927
928 /******************************************************************************
929 * map_key_spec_to_key_pair_name [Internal]
930 *
931 * Returns the name of the registry value associated with a key spec.
932 *
933 * PARAMS
934 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
935 *
936 * RETURNS
937 * Success: Name of registry value.
938 * Failure: NULL
939 */
940 static LPCSTR map_key_spec_to_key_pair_name(DWORD dwKeySpec)
941 {
942 LPCSTR szValueName;
943
944 switch (dwKeySpec)
945 {
946 case AT_KEYEXCHANGE:
947 szValueName = "KeyExchangeKeyPair";
948 break;
949 case AT_SIGNATURE:
950 szValueName = "SignatureKeyPair";
951 break;
952 default:
953 WARN("invalid key spec %d\n", dwKeySpec);
954 szValueName = NULL;
955 }
956 return szValueName;
957 }
958
959 /******************************************************************************
960 * store_key_pair [Internal]
961 *
962 * Stores a key pair to the registry
963 *
964 * PARAMS
965 * hCryptKey [I] Handle to the key to be stored
966 * hKey [I] Registry key where the key pair is to be stored
967 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
968 * dwFlags [I] Flags for protecting the key
969 */
970 static void store_key_pair(HCRYPTKEY hCryptKey, HKEY hKey, DWORD dwKeySpec, DWORD dwFlags)
971 {
972 LPCSTR szValueName;
973 DATA_BLOB blobIn, blobOut;
974 CRYPTKEY *pKey;
975 DWORD dwLen;
976 BYTE *pbKey;
977
978 if (!(szValueName = map_key_spec_to_key_pair_name(dwKeySpec)))
979 return;
980 if (lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
981 (OBJECTHDR**)&pKey))
982 {
983 if (crypt_export_key(pKey, 0, PRIVATEKEYBLOB, 0, TRUE, 0, &dwLen))
984 {
985 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
986 if (pbKey)
987 {
988 if (crypt_export_key(pKey, 0, PRIVATEKEYBLOB, 0, TRUE, pbKey,
989 &dwLen))
990 {
991 blobIn.pbData = pbKey;
992 blobIn.cbData = dwLen;
993
994 if (CryptProtectData(&blobIn, NULL, NULL, NULL, NULL,
995 dwFlags, &blobOut))
996 {
997 RegSetValueExA(hKey, szValueName, 0, REG_BINARY,
998 blobOut.pbData, blobOut.cbData);
999 LocalFree(blobOut.pbData);
1000 }
1001 }
1002 HeapFree(GetProcessHeap(), 0, pbKey);
1003 }
1004 }
1005 }
1006 }
1007
1008 /******************************************************************************
1009 * map_key_spec_to_permissions_name [Internal]
1010 *
1011 * Returns the name of the registry value associated with the permissions for
1012 * a key spec.
1013 *
1014 * PARAMS
1015 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
1016 *
1017 * RETURNS
1018 * Success: Name of registry value.
1019 * Failure: NULL
1020 */
1021 static LPCSTR map_key_spec_to_permissions_name(DWORD dwKeySpec)
1022 {
1023 LPCSTR szValueName;
1024
1025 switch (dwKeySpec)
1026 {
1027 case AT_KEYEXCHANGE:
1028 szValueName = "KeyExchangePermissions";
1029 break;
1030 case AT_SIGNATURE:
1031 szValueName = "SignaturePermissions";
1032 break;
1033 default:
1034 WARN("invalid key spec %d\n", dwKeySpec);
1035 szValueName = NULL;
1036 }
1037 return szValueName;
1038 }
1039
1040 /******************************************************************************
1041 * store_key_permissions [Internal]
1042 *
1043 * Stores a key's permissions to the registry
1044 *
1045 * PARAMS
1046 * hCryptKey [I] Handle to the key whose permissions are to be stored
1047 * hKey [I] Registry key where the key permissions are to be stored
1048 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
1049 */
1050 static void store_key_permissions(HCRYPTKEY hCryptKey, HKEY hKey, DWORD dwKeySpec)
1051 {
1052 LPCSTR szValueName;
1053 CRYPTKEY *pKey;
1054
1055 if (!(szValueName = map_key_spec_to_permissions_name(dwKeySpec)))
1056 return;
1057 if (lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
1058 (OBJECTHDR**)&pKey))
1059 RegSetValueExA(hKey, szValueName, 0, REG_DWORD,
1060 (BYTE *)&pKey->dwPermissions,
1061 sizeof(pKey->dwPermissions));
1062 }
1063
1064 /******************************************************************************
1065 * create_container_key [Internal]
1066 *
1067 * Creates the registry key for a key container's persistent storage.
1068 *
1069 * PARAMS
1070 * pKeyContainer [I] Pointer to the key container
1071 * sam [I] Desired registry access
1072 * phKey [O] Returned key
1073 */
1074 static BOOL create_container_key(KEYCONTAINER *pKeyContainer, REGSAM sam, HKEY *phKey)
1075 {
1076 CHAR szRSABase[MAX_PATH];
1077 HKEY hRootKey;
1078
1079 sprintf(szRSABase, RSAENH_REGKEY, pKeyContainer->szName);
1080
1081 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET)
1082 hRootKey = HKEY_LOCAL_MACHINE;
1083 else
1084 hRootKey = HKEY_CURRENT_USER;
1085
1086 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1087 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1088 return RegCreateKeyExA(hRootKey, szRSABase, 0, NULL,
1089 REG_OPTION_NON_VOLATILE, sam, NULL, phKey, NULL)
1090 == ERROR_SUCCESS;
1091 }
1092
1093 /******************************************************************************
1094 * open_container_key [Internal]
1095 *
1096 * Opens a key container's persistent storage for reading.
1097 *
1098 * PARAMS
1099 * pszContainerName [I] Name of the container to be opened. May be the empty
1100 * string if the parent key of all containers is to be
1101 * opened.
1102 * dwFlags [I] Flags indicating which keyset to be opened.
1103 * phKey [O] Returned key
1104 */
1105 static BOOL open_container_key(LPCSTR pszContainerName, DWORD dwFlags, REGSAM access, HKEY *phKey)
1106 {
1107 CHAR szRSABase[MAX_PATH];
1108 HKEY hRootKey;
1109
1110 sprintf(szRSABase, RSAENH_REGKEY, pszContainerName);
1111
1112 if (dwFlags & CRYPT_MACHINE_KEYSET)
1113 hRootKey = HKEY_LOCAL_MACHINE;
1114 else
1115 hRootKey = HKEY_CURRENT_USER;
1116
1117 /* @@ Wine registry key: HKLM\Software\Wine\Crypto\RSA */
1118 /* @@ Wine registry key: HKCU\Software\Wine\Crypto\RSA */
1119 return RegOpenKeyExA(hRootKey, szRSABase, 0, access, phKey) ==
1120 ERROR_SUCCESS;
1121 }
1122
1123 /******************************************************************************
1124 * delete_container_key [Internal]
1125 *
1126 * Deletes a key container's persistent storage.
1127 *
1128 * PARAMS
1129 * pszContainerName [I] Name of the container to be opened.
1130 * dwFlags [I] Flags indicating which keyset to be opened.
1131 */
1132 static BOOL delete_container_key(LPCSTR pszContainerName, DWORD dwFlags)
1133 {
1134 CHAR szRegKey[MAX_PATH];
1135
1136 if (snprintf(szRegKey, MAX_PATH, RSAENH_REGKEY, pszContainerName) >= MAX_PATH) {
1137 SetLastError(NTE_BAD_KEYSET_PARAM);
1138 return FALSE;
1139 } else {
1140 HKEY hRootKey;
1141 if (dwFlags & CRYPT_MACHINE_KEYSET)
1142 hRootKey = HKEY_LOCAL_MACHINE;
1143 else
1144 hRootKey = HKEY_CURRENT_USER;
1145 if (!RegDeleteKeyA(hRootKey, szRegKey)) {
1146 SetLastError(ERROR_SUCCESS);
1147 return TRUE;
1148 } else {
1149 SetLastError(NTE_BAD_KEYSET);
1150 return FALSE;
1151 }
1152 }
1153 }
1154
1155 /******************************************************************************
1156 * store_key_container_keys [Internal]
1157 *
1158 * Stores key container's keys in a persistent location.
1159 *
1160 * PARAMS
1161 * pKeyContainer [I] Pointer to the key container whose keys are to be saved
1162 */
1163 static void store_key_container_keys(KEYCONTAINER *pKeyContainer)
1164 {
1165 HKEY hKey;
1166 DWORD dwFlags;
1167
1168 /* On WinXP, persistent keys are stored in a file located at:
1169 * $AppData$\\Microsoft\\Crypto\\RSA\\$SID$\\some_hex_string
1170 */
1171
1172 if (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET)
1173 dwFlags = CRYPTPROTECT_LOCAL_MACHINE;
1174 else
1175 dwFlags = 0;
1176
1177 if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1178 {
1179 store_key_pair(pKeyContainer->hKeyExchangeKeyPair, hKey,
1180 AT_KEYEXCHANGE, dwFlags);
1181 store_key_pair(pKeyContainer->hSignatureKeyPair, hKey,
1182 AT_SIGNATURE, dwFlags);
1183 RegCloseKey(hKey);
1184 }
1185 }
1186
1187 /******************************************************************************
1188 * store_key_container_permissions [Internal]
1189 *
1190 * Stores key container's key permissions in a persistent location.
1191 *
1192 * PARAMS
1193 * pKeyContainer [I] Pointer to the key container whose key permissions are to
1194 * be saved
1195 */
1196 static void store_key_container_permissions(KEYCONTAINER *pKeyContainer)
1197 {
1198 HKEY hKey;
1199
1200 if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1201 {
1202 store_key_permissions(pKeyContainer->hKeyExchangeKeyPair, hKey,
1203 AT_KEYEXCHANGE);
1204 store_key_permissions(pKeyContainer->hSignatureKeyPair, hKey,
1205 AT_SIGNATURE);
1206 RegCloseKey(hKey);
1207 }
1208 }
1209
1210 /******************************************************************************
1211 * release_key_container_keys [Internal]
1212 *
1213 * Releases key container's keys.
1214 *
1215 * PARAMS
1216 * pKeyContainer [I] Pointer to the key container whose keys are to be released.
1217 */
1218 static void release_key_container_keys(KEYCONTAINER *pKeyContainer)
1219 {
1220 release_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair,
1221 RSAENH_MAGIC_KEY);
1222 release_handle(&handle_table, pKeyContainer->hSignatureKeyPair,
1223 RSAENH_MAGIC_KEY);
1224 }
1225
1226 /******************************************************************************
1227 * destroy_key_container [Internal]
1228 *
1229 * Destructor for key containers.
1230 *
1231 * PARAMS
1232 * pObjectHdr [I] Pointer to the key container to be destroyed.
1233 */
1234 static void destroy_key_container(OBJECTHDR *pObjectHdr)
1235 {
1236 KEYCONTAINER *pKeyContainer = (KEYCONTAINER*)pObjectHdr;
1237
1238 if (!(pKeyContainer->dwFlags & CRYPT_VERIFYCONTEXT))
1239 {
1240 store_key_container_keys(pKeyContainer);
1241 store_key_container_permissions(pKeyContainer);
1242 release_key_container_keys(pKeyContainer);
1243 }
1244 else
1245 release_key_container_keys(pKeyContainer);
1246 HeapFree( GetProcessHeap(), 0, pKeyContainer );
1247 }
1248
1249 /******************************************************************************
1250 * new_key_container [Internal]
1251 *
1252 * Create a new key container. The personality (RSA Base, Strong or Enhanced CP)
1253 * of the CSP is determined via the pVTable->pszProvName string.
1254 *
1255 * PARAMS
1256 * pszContainerName [I] Name of the key container.
1257 * pVTable [I] Callback functions and context info provided by the OS
1258 *
1259 * RETURNS
1260 * Success: Handle to the new key container.
1261 * Failure: INVALID_HANDLE_VALUE
1262 */
1263 static HCRYPTPROV new_key_container(PCCH pszContainerName, DWORD dwFlags, const VTableProvStruc *pVTable)
1264 {
1265 KEYCONTAINER *pKeyContainer;
1266 HCRYPTPROV hKeyContainer;
1267
1268 hKeyContainer = new_object(&handle_table, sizeof(KEYCONTAINER), RSAENH_MAGIC_CONTAINER,
1269 destroy_key_container, (OBJECTHDR**)&pKeyContainer);
1270 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1271 {
1272 lstrcpynA(pKeyContainer->szName, pszContainerName, MAX_PATH);
1273 pKeyContainer->dwFlags = dwFlags;
1274 pKeyContainer->dwEnumAlgsCtr = 0;
1275 pKeyContainer->hKeyExchangeKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1276 pKeyContainer->hSignatureKeyPair = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1277 if (pVTable && pVTable->pszProvName) {
1278 lstrcpynA(pKeyContainer->szProvName, pVTable->pszProvName, MAX_PATH);
1279 if (!strcmp(pVTable->pszProvName, MS_DEF_PROV_A)) {
1280 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_BASE;
1281 } else if (!strcmp(pVTable->pszProvName, MS_ENHANCED_PROV_A)) {
1282 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_ENHANCED;
1283 } else if (!strcmp(pVTable->pszProvName, MS_DEF_RSA_SCHANNEL_PROV_A)) {
1284 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_SCHANNEL;
1285 } else if (!strcmp(pVTable->pszProvName, MS_ENH_RSA_AES_PROV_A)) {
1286 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_AES;
1287 } else {
1288 pKeyContainer->dwPersonality = RSAENH_PERSONALITY_STRONG;
1289 }
1290 }
1291
1292 /* The new key container has to be inserted into the CSP immediately
1293 * after creation to be available for CPGetProvParam's PP_ENUMCONTAINERS. */
1294 if (!(dwFlags & CRYPT_VERIFYCONTEXT)) {
1295 HKEY hKey;
1296
1297 if (create_container_key(pKeyContainer, KEY_WRITE, &hKey))
1298 RegCloseKey(hKey);
1299 }
1300 }
1301
1302 return hKeyContainer;
1303 }
1304
1305 /******************************************************************************
1306 * read_key_value [Internal]
1307 *
1308 * Reads a key pair value from the registry
1309 *
1310 * PARAMS
1311 * hKeyContainer [I] Crypt provider to use to import the key
1312 * hKey [I] Registry key from which to read the key pair
1313 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
1314 * dwFlags [I] Flags for unprotecting the key
1315 * phCryptKey [O] Returned key
1316 */
1317 static BOOL read_key_value(HCRYPTPROV hKeyContainer, HKEY hKey, DWORD dwKeySpec, DWORD dwFlags, HCRYPTKEY *phCryptKey)
1318 {
1319 LPCSTR szValueName;
1320 DWORD dwValueType, dwLen;
1321 BYTE *pbKey;
1322 DATA_BLOB blobIn, blobOut;
1323 BOOL ret = FALSE;
1324
1325 if (!(szValueName = map_key_spec_to_key_pair_name(dwKeySpec)))
1326 return FALSE;
1327 if (RegQueryValueExA(hKey, szValueName, 0, &dwValueType, NULL, &dwLen) ==
1328 ERROR_SUCCESS)
1329 {
1330 pbKey = HeapAlloc(GetProcessHeap(), 0, dwLen);
1331 if (pbKey)
1332 {
1333 if (RegQueryValueExA(hKey, szValueName, 0, &dwValueType, pbKey, &dwLen) ==
1334 ERROR_SUCCESS)
1335 {
1336 blobIn.pbData = pbKey;
1337 blobIn.cbData = dwLen;
1338
1339 if (CryptUnprotectData(&blobIn, NULL, NULL, NULL, NULL,
1340 dwFlags, &blobOut))
1341 {
1342 ret = import_key(hKeyContainer, blobOut.pbData, blobOut.cbData, 0, 0,
1343 FALSE, phCryptKey);
1344 LocalFree(blobOut.pbData);
1345 }
1346 }
1347 HeapFree(GetProcessHeap(), 0, pbKey);
1348 }
1349 }
1350 if (ret)
1351 {
1352 CRYPTKEY *pKey;
1353
1354 if (lookup_handle(&handle_table, *phCryptKey, RSAENH_MAGIC_KEY,
1355 (OBJECTHDR**)&pKey))
1356 {
1357 if ((szValueName = map_key_spec_to_permissions_name(dwKeySpec)))
1358 {
1359 dwLen = sizeof(pKey->dwPermissions);
1360 RegQueryValueExA(hKey, szValueName, 0, NULL,
1361 (BYTE *)&pKey->dwPermissions, &dwLen);
1362 }
1363 }
1364 }
1365 return ret;
1366 }
1367
1368 /******************************************************************************
1369 * read_key_container [Internal]
1370 *
1371 * Tries to read the persistent state of the key container (mainly the signature
1372 * and key exchange private keys) given by pszContainerName.
1373 *
1374 * PARAMS
1375 * pszContainerName [I] Name of the key container to read from the registry
1376 * pVTable [I] Pointer to context data provided by the operating system
1377 *
1378 * RETURNS
1379 * Success: Handle to the key container read from the registry
1380 * Failure: INVALID_HANDLE_VALUE
1381 */
1382 static HCRYPTPROV read_key_container(PCHAR pszContainerName, DWORD dwFlags, const VTableProvStruc *pVTable)
1383 {
1384 HKEY hKey;
1385 KEYCONTAINER *pKeyContainer;
1386 HCRYPTPROV hKeyContainer;
1387 HCRYPTKEY hCryptKey;
1388
1389 if (!open_container_key(pszContainerName, dwFlags, KEY_READ, &hKey))
1390 {
1391 SetLastError(NTE_BAD_KEYSET);
1392 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1393 }
1394
1395 hKeyContainer = new_key_container(pszContainerName, dwFlags, pVTable);
1396 if (hKeyContainer != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1397 {
1398 DWORD dwProtectFlags = (dwFlags & CRYPT_MACHINE_KEYSET) ?
1399 CRYPTPROTECT_LOCAL_MACHINE : 0;
1400
1401 if (!lookup_handle(&handle_table, hKeyContainer, RSAENH_MAGIC_CONTAINER,
1402 (OBJECTHDR**)&pKeyContainer))
1403 return (HCRYPTPROV)INVALID_HANDLE_VALUE;
1404
1405 /* read_key_value calls import_key, which calls import_private_key,
1406 * which implicitly installs the key value into the appropriate key
1407 * container key. Thus the ref count is incremented twice, once for
1408 * the output key value, and once for the implicit install, and needs
1409 * to be decremented to balance the two.
1410 */
1411 if (read_key_value(hKeyContainer, hKey, AT_KEYEXCHANGE,
1412 dwProtectFlags, &hCryptKey))
1413 release_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY);
1414 if (read_key_value(hKeyContainer, hKey, AT_SIGNATURE,
1415 dwProtectFlags, &hCryptKey))
1416 release_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY);
1417 }
1418
1419 return hKeyContainer;
1420 }
1421
1422 /******************************************************************************
1423 * build_hash_signature [Internal]
1424 *
1425 * Builds a padded version of a hash to match the length of the RSA key modulus.
1426 *
1427 * PARAMS
1428 * pbSignature [O] The padded hash object is stored here.
1429 * dwLen [I] Length of the pbSignature buffer.
1430 * aiAlgid [I] Algorithm identifier of the hash to be padded.
1431 * abHashValue [I] The value of the hash object.
1432 * dwHashLen [I] Length of the hash value.
1433 * dwFlags [I] Selection of padding algorithm.
1434 *
1435 * RETURNS
1436 * Success: TRUE
1437 * Failure: FALSE (NTE_BAD_ALGID)
1438 */
1439 static BOOL build_hash_signature(BYTE *pbSignature, DWORD dwLen, ALG_ID aiAlgid,
1440 const BYTE *abHashValue, DWORD dwHashLen, DWORD dwFlags)
1441 {
1442 /* These prefixes are meant to be concatenated with hash values of the
1443 * respective kind to form a PKCS #7 DigestInfo. */
1444 static const struct tagOIDDescriptor {
1445 ALG_ID aiAlgid;
1446 DWORD dwLen;
1447 const BYTE abOID[19];
1448 } aOIDDescriptor[] = {
1449 { CALG_MD2, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1450 0x86, 0xf7, 0x0d, 0x02, 0x02, 0x05, 0x00, 0x04, 0x10 } },
1451 { CALG_MD4, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1452 0x86, 0xf7, 0x0d, 0x02, 0x04, 0x05, 0x00, 0x04, 0x10 } },
1453 { CALG_MD5, 18, { 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48,
1454 0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 } },
1455 { CALG_SHA, 15, { 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
1456 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 } },
1457 { CALG_SHA_256, 19, { 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1458 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1459 0x05, 0x00, 0x04, 0x20 } },
1460 { CALG_SHA_384, 19, { 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1461 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1462 0x05, 0x00, 0x04, 0x30 } },
1463 { CALG_SHA_384, 19, { 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
1464 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
1465 0x05, 0x00, 0x04, 0x40 } },
1466 { CALG_SSL3_SHAMD5, 0, { 0 } },
1467 { 0, 0, { 0 } }
1468 };
1469 DWORD dwIdxOID, i, j;
1470
1471 for (dwIdxOID = 0; aOIDDescriptor[dwIdxOID].aiAlgid; dwIdxOID++) {
1472 if (aOIDDescriptor[dwIdxOID].aiAlgid == aiAlgid) break;
1473 }
1474
1475 if (!aOIDDescriptor[dwIdxOID].aiAlgid) {
1476 SetLastError(NTE_BAD_ALGID);
1477 return FALSE;
1478 }
1479
1480 /* Build the padded signature */
1481 if (dwFlags & CRYPT_X931_FORMAT) {
1482 pbSignature[0] = 0x6b;
1483 for (i=1; i < dwLen - dwHashLen - 3; i++) {
1484 pbSignature[i] = 0xbb;
1485 }
1486 pbSignature[i++] = 0xba;
1487 for (j=0; j < dwHashLen; j++, i++) {
1488 pbSignature[i] = abHashValue[j];
1489 }
1490 pbSignature[i++] = 0x33;
1491 pbSignature[i++] = 0xcc;
1492 } else {
1493 pbSignature[0] = 0x00;
1494 pbSignature[1] = 0x01;
1495 if (dwFlags & CRYPT_NOHASHOID) {
1496 for (i=2; i < dwLen - 1 - dwHashLen; i++) {
1497 pbSignature[i] = 0xff;
1498 }
1499 pbSignature[i++] = 0x00;
1500 } else {
1501 for (i=2; i < dwLen - 1 - aOIDDescriptor[dwIdxOID].dwLen - dwHashLen; i++) {
1502 pbSignature[i] = 0xff;
1503 }
1504 pbSignature[i++] = 0x00;
1505 for (j=0; j < aOIDDescriptor[dwIdxOID].dwLen; j++) {
1506 pbSignature[i++] = aOIDDescriptor[dwIdxOID].abOID[j];
1507 }
1508 }
1509 for (j=0; j < dwHashLen; j++) {
1510 pbSignature[i++] = abHashValue[j];
1511 }
1512 }
1513
1514 return TRUE;
1515 }
1516
1517 /******************************************************************************
1518 * tls1_p [Internal]
1519 *
1520 * This is an implementation of the 'P_hash' helper function for TLS1's PRF.
1521 * It is used exclusively by tls1_prf. For details see RFC 2246, chapter 5.
1522 * The pseudo random stream generated by this function is exclusive or'ed with
1523 * the data in pbBuffer.
1524 *
1525 * PARAMS
1526 * hHMAC [I] HMAC object, which will be used in pseudo random generation
1527 * pblobSeed [I] Seed value
1528 * pbBuffer [I/O] Pseudo random stream will be xor'ed to the provided data
1529 * dwBufferLen [I] Number of pseudo random bytes desired
1530 *
1531 * RETURNS
1532 * Success: TRUE
1533 * Failure: FALSE
1534 */
1535 static BOOL tls1_p(HCRYPTHASH hHMAC, const PCRYPT_DATA_BLOB pblobSeed, BYTE *pbBuffer,
1536 DWORD dwBufferLen)
1537 {
1538 CRYPTHASH *pHMAC;
1539 BYTE abAi[RSAENH_MAX_HASH_SIZE];
1540 DWORD i = 0;
1541
1542 if (!lookup_handle(&handle_table, hHMAC, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pHMAC)) {
1543 SetLastError(NTE_BAD_HASH);
1544 return FALSE;
1545 }
1546
1547 /* compute A_1 = HMAC(seed) */
1548 init_hash(pHMAC);
1549 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1550 finalize_hash(pHMAC);
1551 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1552
1553 do {
1554 /* compute HMAC(A_i + seed) */
1555 init_hash(pHMAC);
1556 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1557 update_hash(pHMAC, pblobSeed->pbData, pblobSeed->cbData);
1558 finalize_hash(pHMAC);
1559
1560 /* pseudo random stream := CONCAT_{i=1..n} ( HMAC(A_i + seed) ) */
1561 do {
1562 if (i >= dwBufferLen) break;
1563 pbBuffer[i] ^= pHMAC->abHashValue[i % pHMAC->dwHashSize];
1564 i++;
1565 } while (i % pHMAC->dwHashSize);
1566
1567 /* compute A_{i+1} = HMAC(A_i) */
1568 init_hash(pHMAC);
1569 update_hash(pHMAC, abAi, pHMAC->dwHashSize);
1570 finalize_hash(pHMAC);
1571 memcpy(abAi, pHMAC->abHashValue, pHMAC->dwHashSize);
1572 } while (i < dwBufferLen);
1573
1574 return TRUE;
1575 }
1576
1577 /******************************************************************************
1578 * tls1_prf [Internal]
1579 *
1580 * TLS1 pseudo random function as specified in RFC 2246, chapter 5
1581 *
1582 * PARAMS
1583 * hProv [I] Key container used to compute the pseudo random stream
1584 * hSecret [I] Key that holds the (pre-)master secret
1585 * pblobLabel [I] Descriptive label
1586 * pblobSeed [I] Seed value
1587 * pbBuffer [O] Pseudo random numbers will be stored here
1588 * dwBufferLen [I] Number of pseudo random bytes desired
1589 *
1590 * RETURNS
1591 * Success: TRUE
1592 * Failure: FALSE
1593 */
1594 static BOOL tls1_prf(HCRYPTPROV hProv, HCRYPTPROV hSecret, const PCRYPT_DATA_BLOB pblobLabel,
1595 const PCRYPT_DATA_BLOB pblobSeed, BYTE *pbBuffer, DWORD dwBufferLen)
1596 {
1597 HMAC_INFO hmacInfo = { 0, NULL, 0, NULL, 0 };
1598 HCRYPTHASH hHMAC = (HCRYPTHASH)INVALID_HANDLE_VALUE;
1599 HCRYPTKEY hHalfSecret = (HCRYPTKEY)INVALID_HANDLE_VALUE;
1600 CRYPTKEY *pHalfSecret, *pSecret;
1601 DWORD dwHalfSecretLen;
1602 BOOL result = FALSE;
1603 CRYPT_DATA_BLOB blobLabelSeed;
1604
1605 TRACE("(hProv=%08lx, hSecret=%08lx, pblobLabel=%p, pblobSeed=%p, pbBuffer=%p, dwBufferLen=%d)\n",
1606 hProv, hSecret, pblobLabel, pblobSeed, pbBuffer, dwBufferLen);
1607
1608 if (!lookup_handle(&handle_table, hSecret, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSecret)) {
1609 SetLastError(NTE_FAIL);
1610 return FALSE;
1611 }
1612
1613 dwHalfSecretLen = (pSecret->dwKeyLen+1)/2;
1614
1615 /* concatenation of the label and the seed */
1616 if (!concat_data_blobs(&blobLabelSeed, pblobLabel, pblobSeed)) goto exit;
1617
1618 /* zero out the buffer, since two random streams will be xor'ed into it. */
1619 memset(pbBuffer, 0, dwBufferLen);
1620
1621 /* build a 'fake' key, to hold the secret. CALG_SSL2_MASTER is used since it provides
1622 * the biggest range of valid key lengths. */
1623 hHalfSecret = new_key(hProv, CALG_SSL2_MASTER, MAKELONG(0,dwHalfSecretLen*8), &pHalfSecret);
1624 if (hHalfSecret == (HCRYPTKEY)INVALID_HANDLE_VALUE) goto exit;
1625
1626 /* Derive an HMAC_MD5 hash and call the helper function. */
1627 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue, dwHalfSecretLen);
1628 if (!RSAENH_CPCreateHash(hProv, CALG_HMAC, hHalfSecret, 0, &hHMAC)) goto exit;
1629 hmacInfo.HashAlgid = CALG_MD5;
1630 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1631 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1632
1633 /* Reconfigure to HMAC_SHA hash and call helper function again. */
1634 memcpy(pHalfSecret->abKeyValue, pSecret->abKeyValue + (pSecret->dwKeyLen/2), dwHalfSecretLen);
1635 hmacInfo.HashAlgid = CALG_SHA;
1636 if (!RSAENH_CPSetHashParam(hProv, hHMAC, HP_HMAC_INFO, (BYTE*)&hmacInfo, 0)) goto exit;
1637 if (!tls1_p(hHMAC, &blobLabelSeed, pbBuffer, dwBufferLen)) goto exit;
1638
1639 result = TRUE;
1640 exit:
1641 release_handle(&handle_table, hHalfSecret, RSAENH_MAGIC_KEY);
1642 if (hHMAC != (HCRYPTHASH)INVALID_HANDLE_VALUE) RSAENH_CPDestroyHash(hProv, hHMAC);
1643 free_data_blob(&blobLabelSeed);
1644 return result;
1645 }
1646
1647 /******************************************************************************
1648 * pad_data [Internal]
1649 *
1650 * Helper function for data padding according to PKCS1 #2
1651 *
1652 * PARAMS
1653 * abData [I] The data to be padded
1654 * dwDataLen [I] Length of the data
1655 * abBuffer [O] Padded data will be stored here
1656 * dwBufferLen [I] Length of the buffer (also length of padded data)
1657 * dwFlags [I] Padding format (CRYPT_SSL2_FALLBACK)
1658 *
1659 * RETURN
1660 * Success: TRUE
1661 * Failure: FALSE (NTE_BAD_LEN, too much data to pad)
1662 */
1663 static BOOL pad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen,
1664 DWORD dwFlags)
1665 {
1666 DWORD i;
1667
1668 /* Ensure there is enough space for PKCS1 #2 padding */
1669 if (dwDataLen > dwBufferLen-11) {
1670 SetLastError(NTE_BAD_LEN);
1671 return FALSE;
1672 }
1673
1674 memmove(abBuffer + dwBufferLen - dwDataLen, abData, dwDataLen);
1675
1676 abBuffer[0] = 0x00;
1677 abBuffer[1] = RSAENH_PKC_BLOCKTYPE;
1678 for (i=2; i < dwBufferLen - dwDataLen - 1; i++)
1679 do gen_rand_impl(&abBuffer[i], 1); while (!abBuffer[i]);
1680 if (dwFlags & CRYPT_SSL2_FALLBACK)
1681 for (i-=8; i < dwBufferLen - dwDataLen - 1; i++)
1682 abBuffer[i] = 0x03;
1683 abBuffer[i] = 0x00;
1684
1685 return TRUE;
1686 }
1687
1688 /******************************************************************************
1689 * unpad_data [Internal]
1690 *
1691 * Remove the PKCS1 padding from RSA decrypted data
1692 *
1693 * PARAMS
1694 * abData [I] The padded data
1695 * dwDataLen [I] Length of the padded data
1696 * abBuffer [O] Data without padding will be stored here
1697 * dwBufferLen [I/O] I: Length of the buffer, O: Length of unpadded data
1698 * dwFlags [I] Currently none defined
1699 *
1700 * RETURNS
1701 * Success: TRUE
1702 * Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small)
1703 */
1704 static BOOL unpad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen,
1705 DWORD dwFlags)
1706 {
1707 DWORD i;
1708
1709 if (dwDataLen < 3)
1710 {
1711 SetLastError(NTE_BAD_DATA);
1712 return FALSE;
1713 }
1714 for (i=2; i<dwDataLen; i++)
1715 if (!abData[i])
1716 break;
1717
1718 if ((i == dwDataLen) || (*dwBufferLen < dwDataLen - i - 1) ||
1719 (abData[0] != 0x00) || (abData[1] != RSAENH_PKC_BLOCKTYPE))
1720 {
1721 SetLastError(NTE_BAD_DATA);
1722 return FALSE;
1723 }
1724
1725 *dwBufferLen = dwDataLen - i - 1;
1726 memmove(abBuffer, abData + i + 1, *dwBufferLen);
1727 return TRUE;
1728 }
1729
1730 /******************************************************************************
1731 * CPAcquireContext (RSAENH.@)
1732 *
1733 * Acquire a handle to the key container specified by pszContainer
1734 *
1735 * PARAMS
1736 * phProv [O] Pointer to the location the acquired handle will be written to.
1737 * pszContainer [I] Name of the desired key container. See Notes
1738 * dwFlags [I] Flags. See Notes.
1739 * pVTable [I] Pointer to a PVTableProvStruct containing callbacks.
1740 *
1741 * RETURNS
1742 * Success: TRUE
1743 * Failure: FALSE
1744 *
1745 * NOTES
1746 * If pszContainer is NULL or points to a zero length string the user's login
1747 * name will be used as the key container name.
1748 *
1749 * If the CRYPT_NEW_KEYSET flag is set in dwFlags a new keyset will be created.
1750 * If a keyset with the given name already exists, the function fails and sets
1751 * last error to NTE_EXISTS. If CRYPT_NEW_KEYSET is not set and the specified
1752 * key container does not exist, function fails and sets last error to
1753 * NTE_BAD_KEYSET.
1754 */
1755 BOOL WINAPI RSAENH_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
1756 DWORD dwFlags, PVTableProvStruc pVTable)
1757 {
1758 CHAR szKeyContainerName[MAX_PATH];
1759
1760 TRACE("(phProv=%p, pszContainer=%s, dwFlags=%08x, pVTable=%p)\n", phProv,
1761 debugstr_a(pszContainer), dwFlags, pVTable);
1762
1763 if (pszContainer && *pszContainer)
1764 {
1765 lstrcpynA(szKeyContainerName, pszContainer, MAX_PATH);
1766 }
1767 else
1768 {
1769 DWORD dwLen = sizeof(szKeyContainerName);
1770 if (!GetUserNameA(szKeyContainerName, &dwLen)) return FALSE;
1771 }
1772
1773 switch (dwFlags & (CRYPT_NEWKEYSET|CRYPT_VERIFYCONTEXT|CRYPT_DELETEKEYSET))
1774 {
1775 case 0:
1776 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1777 break;
1778
1779 case CRYPT_DELETEKEYSET:
1780 return delete_container_key(szKeyContainerName, dwFlags);
1781
1782 case CRYPT_NEWKEYSET:
1783 *phProv = read_key_container(szKeyContainerName, dwFlags, pVTable);
1784 if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE)
1785 {
1786 release_handle(&handle_table, *phProv, RSAENH_MAGIC_CONTAINER);
1787 TRACE("Can't create new keyset, already exists\n");
1788 SetLastError(NTE_EXISTS);
1789 return FALSE;
1790 }
1791 *phProv = new_key_container(szKeyContainerName, dwFlags, pVTable);
1792 break;
1793
1794 case CRYPT_VERIFYCONTEXT|CRYPT_NEWKEYSET:
1795 case CRYPT_VERIFYCONTEXT:
1796 if (pszContainer && *pszContainer) {
1797 TRACE("pszContainer should be empty\n");
1798 SetLastError(NTE_BAD_FLAGS);
1799 return FALSE;
1800 }
1801 *phProv = new_key_container("", dwFlags, pVTable);
1802 break;
1803
1804 default:
1805 *phProv = (HCRYPTPROV)INVALID_HANDLE_VALUE;
1806 SetLastError(NTE_BAD_FLAGS);
1807 return FALSE;
1808 }
1809
1810 if (*phProv != (HCRYPTPROV)INVALID_HANDLE_VALUE) {
1811 SetLastError(ERROR_SUCCESS);
1812 return TRUE;
1813 } else {
1814 return FALSE;
1815 }
1816 }
1817
1818 /******************************************************************************
1819 * CPCreateHash (RSAENH.@)
1820 *
1821 * CPCreateHash creates and initializes a new hash object.
1822 *
1823 * PARAMS
1824 * hProv [I] Handle to the key container to which the new hash will belong.
1825 * Algid [I] Identifies the hash algorithm, which will be used for the hash.
1826 * hKey [I] Handle to a session key applied for keyed hashes.
1827 * dwFlags [I] Currently no flags defined. Must be zero.
1828 * phHash [O] Points to the location where a handle to the new hash will be stored.
1829 *
1830 * RETURNS
1831 * Success: TRUE
1832 * Failure: FALSE
1833 *
1834 * NOTES
1835 * hKey is a handle to a session key applied in keyed hashes like MAC and HMAC.
1836 * If a normal hash object is to be created (like e.g. MD2 or SHA1) hKey must be zero.
1837 */
1838 BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags,
1839 HCRYPTHASH *phHash)
1840 {
1841 CRYPTKEY *pCryptKey;
1842 CRYPTHASH *pCryptHash;
1843 const PROV_ENUMALGS_EX *peaAlgidInfo;
1844
1845 TRACE("(hProv=%08lx, Algid=%08x, hKey=%08lx, dwFlags=%08x, phHash=%p)\n", hProv, Algid, hKey,
1846 dwFlags, phHash);
1847
1848 peaAlgidInfo = get_algid_info(hProv, Algid);
1849 if (!peaAlgidInfo) return FALSE;
1850
1851 if (dwFlags)
1852 {
1853 SetLastError(NTE_BAD_FLAGS);
1854 return FALSE;
1855 }
1856
1857 if (Algid == CALG_MAC || Algid == CALG_HMAC || Algid == CALG_SCHANNEL_MASTER_HASH ||
1858 Algid == CALG_TLS1PRF)
1859 {
1860 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey)) {
1861 SetLastError(NTE_BAD_KEY);
1862 return FALSE;
1863 }
1864
1865 if ((Algid == CALG_MAC) && (GET_ALG_TYPE(pCryptKey->aiAlgid) != ALG_TYPE_BLOCK)) {
1866 SetLastError(NTE_BAD_KEY);
1867 return FALSE;
1868 }
1869
1870 if ((Algid == CALG_SCHANNEL_MASTER_HASH || Algid == CALG_TLS1PRF) &&
1871 (pCryptKey->aiAlgid != CALG_TLS1_MASTER))
1872 {
1873 SetLastError(NTE_BAD_KEY);
1874 return FALSE;
1875 }
1876 if (Algid == CALG_SCHANNEL_MASTER_HASH &&
1877 ((!pCryptKey->siSChannelInfo.blobClientRandom.cbData) ||
1878 (!pCryptKey->siSChannelInfo.blobServerRandom.cbData)))
1879 {
1880 SetLastError(ERROR_INVALID_PARAMETER);
1881 return FALSE;
1882 }
1883
1884 if ((Algid == CALG_TLS1PRF) && (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY)) {
1885 SetLastError(NTE_BAD_KEY_STATE);
1886 return FALSE;
1887 }
1888 }
1889
1890 *phHash = new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
1891 destroy_hash, (OBJECTHDR**)&pCryptHash);
1892 if (!pCryptHash) return FALSE;
1893
1894 pCryptHash->aiAlgid = Algid;
1895 pCryptHash->hKey = hKey;
1896 pCryptHash->hProv = hProv;
1897 pCryptHash->dwState = RSAENH_HASHSTATE_HASHING;
1898 pCryptHash->pHMACInfo = NULL;
1899 pCryptHash->dwHashSize = peaAlgidInfo->dwDefaultLen >> 3;
1900 init_data_blob(&pCryptHash->tpPRFParams.blobLabel);
1901 init_data_blob(&pCryptHash->tpPRFParams.blobSeed);
1902
1903 if (Algid == CALG_SCHANNEL_MASTER_HASH) {
1904 static const char keyex[] = "key expansion";
1905 BYTE key_expansion[sizeof keyex];
1906 CRYPT_DATA_BLOB blobRandom, blobKeyExpansion = { 13, key_expansion };
1907
1908 memcpy( key_expansion, keyex, sizeof keyex );
1909
1910 if (pCryptKey->dwState != RSAENH_KEYSTATE_MASTERKEY) {
1911 static const char msec[] = "master secret";
1912 BYTE master_secret[sizeof msec];
1913 CRYPT_DATA_BLOB blobLabel = { 13, master_secret };
1914 BYTE abKeyValue[48];
1915
1916 memcpy( master_secret, msec, sizeof msec );
1917
1918 /* See RFC 2246, chapter 8.1 */
1919 if (!concat_data_blobs(&blobRandom,
1920 &pCryptKey->siSChannelInfo.blobClientRandom,
1921 &pCryptKey->siSChannelInfo.blobServerRandom))
1922 {
1923 return FALSE;
1924 }
1925 tls1_prf(hProv, hKey, &blobLabel, &blobRandom, abKeyValue, 48);
1926 pCryptKey->dwState = RSAENH_KEYSTATE_MASTERKEY;
1927 memcpy(pCryptKey->abKeyValue, abKeyValue, 48);
1928 free_data_blob(&blobRandom);
1929 }
1930
1931 /* See RFC 2246, chapter 6.3 */
1932 if (!concat_data_blobs(&blobRandom,
1933 &pCryptKey->siSChannelInfo.blobServerRandom,
1934 &pCryptKey->siSChannelInfo.blobClientRandom))
1935 {
1936 return FALSE;
1937 }
1938 tls1_prf(hProv, hKey, &blobKeyExpansion, &blobRandom, pCryptHash->abHashValue,
1939 RSAENH_MAX_HASH_SIZE);
1940 free_data_blob(&blobRandom);
1941 }
1942
1943 return init_hash(pCryptHash);
1944 }
1945
1946 /******************************************************************************
1947 * CPDestroyHash (RSAENH.@)
1948 *
1949 * Releases the handle to a hash object. The object is destroyed if its reference
1950 * count reaches zero.
1951 *
1952 * PARAMS
1953 * hProv [I] Handle to the key container to which the hash object belongs.
1954 * hHash [I] Handle to the hash object to be released.
1955 *
1956 * RETURNS
1957 * Success: TRUE
1958 * Failure: FALSE
1959 */
1960 BOOL WINAPI RSAENH_CPDestroyHash(HCRYPTPROV hProv, HCRYPTHASH hHash)
1961 {
1962 TRACE("(hProv=%08lx, hHash=%08lx)\n", hProv, hHash);
1963
1964 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1965 {
1966 SetLastError(NTE_BAD_UID);
1967 return FALSE;
1968 }
1969
1970 if (!release_handle(&handle_table, hHash, RSAENH_MAGIC_HASH))
1971 {
1972 SetLastError(NTE_BAD_HASH);
1973 return FALSE;
1974 }
1975
1976 return TRUE;
1977 }
1978
1979 /******************************************************************************
1980 * CPDestroyKey (RSAENH.@)
1981 *
1982 * Releases the handle to a key object. The object is destroyed if its reference
1983 * count reaches zero.
1984 *
1985 * PARAMS
1986 * hProv [I] Handle to the key container to which the key object belongs.
1987 * hKey [I] Handle to the key object to be released.
1988 *
1989 * RETURNS
1990 * Success: TRUE
1991 * Failure: FALSE
1992 */
1993 BOOL WINAPI RSAENH_CPDestroyKey(HCRYPTPROV hProv, HCRYPTKEY hKey)
1994 {
1995 TRACE("(hProv=%08lx, hKey=%08lx)\n", hProv, hKey);
1996
1997 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
1998 {
1999 SetLastError(NTE_BAD_UID);
2000 return FALSE;
2001 }
2002
2003 if (!release_handle(&handle_table, hKey, RSAENH_MAGIC_KEY))
2004 {
2005 SetLastError(NTE_BAD_KEY);
2006 return FALSE;
2007 }
2008
2009 return TRUE;
2010 }
2011
2012 /******************************************************************************
2013 * CPDuplicateHash (RSAENH.@)
2014 *
2015 * Clones a hash object including its current state.
2016 *
2017 * PARAMS
2018 * hUID [I] Handle to the key container the hash belongs to.
2019 * hHash [I] Handle to the hash object to be cloned.
2020 * pdwReserved [I] Reserved. Must be NULL.
2021 * dwFlags [I] No flags are currently defined. Must be 0.
2022 * phHash [O] Handle to the cloned hash object.
2023 *
2024 * RETURNS
2025 * Success: TRUE.
2026 * Failure: FALSE.
2027 */
2028 BOOL WINAPI RSAENH_CPDuplicateHash(HCRYPTPROV hUID, HCRYPTHASH hHash, DWORD *pdwReserved,
2029 DWORD dwFlags, HCRYPTHASH *phHash)
2030 {
2031 CRYPTHASH *pSrcHash, *pDestHash;
2032
2033 TRACE("(hUID=%08lx, hHash=%08lx, pdwReserved=%p, dwFlags=%08x, phHash=%p)\n", hUID, hHash,
2034 pdwReserved, dwFlags, phHash);
2035
2036 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
2037 {
2038 SetLastError(NTE_BAD_UID);
2039 return FALSE;
2040 }
2041
2042 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH, (OBJECTHDR**)&pSrcHash))
2043 {
2044 SetLastError(NTE_BAD_HASH);
2045 return FALSE;
2046 }
2047
2048 if (!phHash || pdwReserved || dwFlags)
2049 {
2050 SetLastError(ERROR_INVALID_PARAMETER);
2051 return FALSE;
2052 }
2053
2054 *phHash = new_object(&handle_table, sizeof(CRYPTHASH), RSAENH_MAGIC_HASH,
2055 destroy_hash, (OBJECTHDR**)&pDestHash);
2056 if (*phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE)
2057 {
2058 *pDestHash = *pSrcHash;
2059 duplicate_hash_impl(pSrcHash->aiAlgid, &pSrcHash->context, &pDestHash->context);
2060 copy_hmac_info(&pDestHash->pHMACInfo, pSrcHash->pHMACInfo);
2061 copy_data_blob(&pDestHash->tpPRFParams.blobLabel, &pSrcHash->tpPRFParams.blobLabel);
2062 copy_data_blob(&pDestHash->tpPRFParams.blobSeed, &pSrcHash->tpPRFParams.blobSeed);
2063 }
2064
2065 return *phHash != (HCRYPTHASH)INVALID_HANDLE_VALUE;
2066 }
2067
2068 /******************************************************************************
2069 * CPDuplicateKey (RSAENH.@)
2070 *
2071 * Clones a key object including its current state.
2072 *
2073 * PARAMS
2074 * hUID [I] Handle to the key container the hash belongs to.
2075 * hKey [I] Handle to the key object to be cloned.
2076 * pdwReserved [I] Reserved. Must be NULL.
2077 * dwFlags [I] No flags are currently defined. Must be 0.
2078 * phHash [O] Handle to the cloned key object.
2079 *
2080 * RETURNS
2081 * Success: TRUE.
2082 * Failure: FALSE.
2083 */
2084 BOOL WINAPI RSAENH_CPDuplicateKey(HCRYPTPROV hUID, HCRYPTKEY hKey, DWORD *pdwReserved,
2085 DWORD dwFlags, HCRYPTKEY *phKey)
2086 {
2087 CRYPTKEY *pSrcKey, *pDestKey;
2088
2089 TRACE("(hUID=%08lx, hKey=%08lx, pdwReserved=%p, dwFlags=%08x, phKey=%p)\n", hUID, hKey,
2090 pdwReserved, dwFlags, phKey);
2091
2092 if (!is_valid_handle(&handle_table, hUID, RSAENH_MAGIC_CONTAINER))
2093 {
2094 SetLastError(NTE_BAD_UID);
2095 return FALSE;
2096 }
2097
2098 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pSrcKey))
2099 {
2100 SetLastError(NTE_BAD_KEY);
2101 return FALSE;
2102 }
2103
2104 if (!phKey || pdwReserved || dwFlags)
2105 {
2106 SetLastError(ERROR_INVALID_PARAMETER);
2107 return FALSE;
2108 }
2109
2110 *phKey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, destroy_key,
2111 (OBJECTHDR**)&pDestKey);
2112 if (*phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
2113 {
2114 *pDestKey = *pSrcKey;
2115 copy_data_blob(&pDestKey->siSChannelInfo.blobServerRandom,
2116 &pSrcKey->siSChannelInfo.blobServerRandom);
2117 copy_data_blob(&pDestKey->siSChannelInfo.blobClientRandom,
2118 &pSrcKey->siSChannelInfo.blobClientRandom);
2119 duplicate_key_impl(pSrcKey->aiAlgid, &pSrcKey->context, &pDestKey->context);
2120 return TRUE;
2121 }
2122 else
2123 {
2124 return FALSE;
2125 }
2126 }
2127
2128 /******************************************************************************
2129 * CPEncrypt (RSAENH.@)
2130 *
2131 * Encrypt data.
2132 *
2133 * PARAMS
2134 * hProv [I] The key container hKey and hHash belong to.
2135 * hKey [I] The key used to encrypt the data.
2136 * hHash [I] An optional hash object for parallel hashing. See notes.
2137 * Final [I] Indicates if this is the last block of data to encrypt.
2138 * dwFlags [I] Currently no flags defined. Must be zero.
2139 * pbData [I/O] Pointer to the data to encrypt. Encrypted data will also be stored there.
2140 * pdwDataLen [I/O] I: Length of data to encrypt, O: Length of encrypted data.
2141 * dwBufLen [I] Size of the buffer at pbData.
2142 *
2143 * RETURNS
2144 * Success: TRUE.
2145 * Failure: FALSE.
2146 *
2147 * NOTES
2148 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
2149 * This is useful for message signatures.
2150 *
2151 * This function uses the standard WINAPI protocol for querying data of dynamic length.
2152 */
2153 BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2154 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
2155 {
2156 CRYPTKEY *pCryptKey;
2157 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2158 DWORD dwEncryptedLen, i, j, k;
2159
2160 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2161 "pdwDataLen=%p, dwBufLen=%d)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen,
2162 dwBufLen);
2163
2164 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2165 {
2166 SetLastError(NTE_BAD_UID);
2167 return FALSE;
2168 }
2169
2170 if (dwFlags)
2171 {
2172 SetLastError(NTE_BAD_FLAGS);
2173 return FALSE;
2174 }
2175
2176 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2177 {
2178 SetLastError(NTE_BAD_KEY);
2179 return FALSE;
2180 }
2181
2182 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2183 pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
2184
2185 if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
2186 {
2187 SetLastError(NTE_BAD_DATA);
2188 return FALSE;
2189 }
2190
2191 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2192 if (!RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2193 }
2194
2195 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2196 if (!Final && (*pdwDataLen % pCryptKey->dwBlockLen)) {
2197 SetLastError(NTE_BAD_DATA);
2198 return FALSE;
2199 }
2200
2201 dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen;
2202
2203 if (pbData == NULL) {
2204 *pdwDataLen = dwEncryptedLen;
2205 return TRUE;
2206 }
2207 else if (dwEncryptedLen > dwBufLen) {
2208 *pdwDataLen = dwEncryptedLen;
2209 SetLastError(ERROR_MORE_DATA);
2210 return FALSE;
2211 }
2212
2213 /* Pad final block with length bytes */
2214 for (i=*pdwDataLen; i<dwEncryptedLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen;
2215 *pdwDataLen = dwEncryptedLen;
2216
2217 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2218 switch (pCryptKey->dwMode) {
2219 case CRYPT_MODE_ECB:
2220 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2221 RSAENH_ENCRYPT);
2222 break;
2223
2224 case CRYPT_MODE_CBC:
2225 for (j=0; j<pCryptKey->dwBlockLen; j++) in[j] ^= pCryptKey->abChainVector[j];
2226 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2227 RSAENH_ENCRYPT);
2228 memcpy(pCryptKey->abChainVector, out, pCryptKey->dwBlockLen);
2229 break;
2230
2231 case CRYPT_MODE_CFB:
2232 for (j=0; j<pCryptKey->dwBlockLen; j++) {
2233 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2234 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2235 out[j] = in[j] ^ o[0];
2236 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2237 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2238 pCryptKey->abChainVector[k] = out[j];
2239 }
2240 break;
2241
2242 default:
2243 SetLastError(NTE_BAD_ALGID);
2244 return FALSE;
2245 }
2246 memcpy(in, out, pCryptKey->dwBlockLen);
2247 }
2248 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2249 if (pbData == NULL) {
2250 *pdwDataLen = dwBufLen;
2251 return TRUE;
2252 }
2253 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2254 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2255 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2256 SetLastError(NTE_BAD_KEY);
2257 return FALSE;
2258 }
2259 if (!pbData) {
2260 *pdwDataLen = pCryptKey->dwBlockLen;
2261 return TRUE;
2262 }
2263 if (dwBufLen < pCryptKey->dwBlockLen) {
2264 SetLastError(ERROR_MORE_DATA);
2265 return FALSE;
2266 }
2267 if (!pad_data(pbData, *pdwDataLen, pbData, pCryptKey->dwBlockLen, dwFlags)) return FALSE;
2268 encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbData, pbData, RSAENH_ENCRYPT);
2269 *pdwDataLen = pCryptKey->dwBlockLen;
2270 Final = TRUE;
2271 } else {
2272 SetLastError(NTE_BAD_TYPE);
2273 return FALSE;
2274 }
2275
2276 if (Final) setup_key(pCryptKey);
2277
2278 return TRUE;
2279 }
2280
2281 /******************************************************************************
2282 * CPDecrypt (RSAENH.@)
2283 *
2284 * Decrypt data.
2285 *
2286 * PARAMS
2287 * hProv [I] The key container hKey and hHash belong to.
2288 * hKey [I] The key used to decrypt the data.
2289 * hHash [I] An optional hash object for parallel hashing. See notes.
2290 * Final [I] Indicates if this is the last block of data to decrypt.
2291 * dwFlags [I] Currently no flags defined. Must be zero.
2292 * pbData [I/O] Pointer to the data to decrypt. Plaintext will also be stored there.
2293 * pdwDataLen [I/O] I: Length of ciphertext, O: Length of plaintext.
2294 *
2295 * RETURNS
2296 * Success: TRUE.
2297 * Failure: FALSE.
2298 *
2299 * NOTES
2300 * If a hash object handle is provided in hHash, it will be updated with the plaintext.
2301 * This is useful for message signatures.
2302 *
2303 * This function uses the standard WINAPI protocol for querying data of dynamic length.
2304 */
2305 BOOL WINAPI RSAENH_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
2306 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2307 {
2308 CRYPTKEY *pCryptKey;
2309 BYTE *in, out[RSAENH_MAX_BLOCK_SIZE], o[RSAENH_MAX_BLOCK_SIZE];
2310 DWORD i, j, k;
2311 DWORD dwMax;
2312
2313 TRACE("(hProv=%08lx, hKey=%08lx, hHash=%08lx, Final=%d, dwFlags=%08x, pbData=%p, "
2314 "pdwDataLen=%p)\n", hProv, hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
2315
2316 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2317 {
2318 SetLastError(NTE_BAD_UID);
2319 return FALSE;
2320 }
2321
2322 if (dwFlags)
2323 {
2324 SetLastError(NTE_BAD_FLAGS);
2325 return FALSE;
2326 }
2327
2328 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2329 {
2330 SetLastError(NTE_BAD_KEY);
2331 return FALSE;
2332 }
2333
2334 if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
2335 pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
2336
2337 if (pCryptKey->dwState != RSAENH_KEYSTATE_ENCRYPTING)
2338 {
2339 SetLastError(NTE_BAD_DATA);
2340 return FALSE;
2341 }
2342
2343 dwMax=*pdwDataLen;
2344
2345 if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_BLOCK) {
2346 for (i=0, in=pbData; i<*pdwDataLen; i+=pCryptKey->dwBlockLen, in+=pCryptKey->dwBlockLen) {
2347 switch (pCryptKey->dwMode) {
2348 case CRYPT_MODE_ECB:
2349 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2350 RSAENH_DECRYPT);
2351 break;
2352
2353 case CRYPT_MODE_CBC:
2354 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context, in, out,
2355 RSAENH_DECRYPT);
2356 for (j=0; j<pCryptKey->dwBlockLen; j++) out[j] ^= pCryptKey->abChainVector[j];
2357 memcpy(pCryptKey->abChainVector, in, pCryptKey->dwBlockLen);
2358 break;
2359
2360 case CRYPT_MODE_CFB:
2361 for (j=0; j<pCryptKey->dwBlockLen; j++) {
2362 encrypt_block_impl(pCryptKey->aiAlgid, 0, &pCryptKey->context,
2363 pCryptKey->abChainVector, o, RSAENH_ENCRYPT);
2364 out[j] = in[j] ^ o[0];
2365 for (k=0; k<pCryptKey->dwBlockLen-1; k++)
2366 pCryptKey->abChainVector[k] = pCryptKey->abChainVector[k+1];
2367 pCryptKey->abChainVector[k] = in[j];
2368 }
2369 break;
2370
2371 default:
2372 SetLastError(NTE_BAD_ALGID);
2373 return FALSE;
2374 }
2375 memcpy(in, out, pCryptKey->dwBlockLen);
2376 }
2377 if (Final) {
2378 if (pbData[*pdwDataLen-1] &&
2379 pbData[*pdwDataLen-1] <= pCryptKey->dwBlockLen &&
2380 pbData[*pdwDataLen-1] <= *pdwDataLen) {
2381 BOOL padOkay = TRUE;
2382
2383 /* check that every bad byte has the same value */
2384 for (i = 1; padOkay && i < pbData[*pdwDataLen-1]; i++)
2385 if (pbData[*pdwDataLen - i - 1] != pbData[*pdwDataLen - 1])
2386 padOkay = FALSE;
2387 if (padOkay)
2388 *pdwDataLen -= pbData[*pdwDataLen-1];
2389 else {
2390 SetLastError(NTE_BAD_DATA);
2391 setup_key(pCryptKey);
2392 return FALSE;
2393 }
2394 }
2395 else {
2396 SetLastError(NTE_BAD_DATA);
2397 setup_key(pCryptKey);
2398 return FALSE;
2399 }
2400 }
2401
2402 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_STREAM) {
2403 encrypt_stream_impl(pCryptKey->aiAlgid, &pCryptKey->context, pbData, *pdwDataLen);
2404 } else if (GET_ALG_TYPE(pCryptKey->aiAlgid) == ALG_TYPE_RSA) {
2405 if (pCryptKey->aiAlgid == CALG_RSA_SIGN) {
2406 SetLastError(NTE_BAD_KEY);
2407 return FALSE;
2408 }
2409 encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbData, pbData, RSAENH_DECRYPT);
2410 if (!unpad_data(pbData, pCryptKey->dwBlockLen, pbData, pdwDataLen, dwFlags)) return FALSE;
2411 Final = TRUE;
2412 } else {
2413 SetLastError(NTE_BAD_TYPE);
2414 return FALSE;
2415 }
2416
2417 if (Final) setup_key(pCryptKey);
2418
2419 if (is_valid_handle(&handle_table, hHash, RSAENH_MAGIC_HASH)) {
2420 if (*pdwDataLen>dwMax ||
2421 !RSAENH_CPHashData(hProv, hHash, pbData, *pdwDataLen, 0)) return FALSE;
2422 }
2423
2424 return TRUE;
2425 }
2426
2427 static BOOL crypt_export_simple(CRYPTKEY *pCryptKey, CRYPTKEY *pPubKey,
2428 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2429 {
2430 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2431 ALG_ID *pAlgid = (ALG_ID*)(pBlobHeader+1);
2432 DWORD dwDataLen;
2433
2434 if (!(GET_ALG_CLASS(pCryptKey->aiAlgid)&(ALG_CLASS_DATA_ENCRYPT|ALG_CLASS_MSG_ENCRYPT))) {
2435 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2436 return FALSE;
2437 }
2438
2439 dwDataLen = sizeof(BLOBHEADER) + sizeof(ALG_ID) + pPubKey->dwBlockLen;
2440 if (pbData) {
2441 if (*pdwDataLen < dwDataLen) {
2442 SetLastError(ERROR_MORE_DATA);
2443 *pdwDataLen = dwDataLen;
2444 return FALSE;
2445 }
2446
2447 pBlobHeader->bType = SIMPLEBLOB;
2448 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2449 pBlobHeader->reserved = 0;
2450 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2451
2452 *pAlgid = pPubKey->aiAlgid;
2453
2454 if (!pad_data(pCryptKey->abKeyValue, pCryptKey->dwKeyLen, (BYTE*)(pAlgid+1),
2455 pPubKey->dwBlockLen, dwFlags))
2456 {
2457 return FALSE;
2458 }
2459
2460 encrypt_block_impl(pPubKey->aiAlgid, PK_PUBLIC, &pPubKey->context, (BYTE*)(pAlgid+1),
2461 (BYTE*)(pAlgid+1), RSAENH_ENCRYPT);
2462 }
2463 *pdwDataLen = dwDataLen;
2464 return TRUE;
2465 }
2466
2467 static BOOL crypt_export_public_key(CRYPTKEY *pCryptKey, BYTE *pbData,
2468 DWORD *pdwDataLen)
2469 {
2470 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2471 RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2472 DWORD dwDataLen;
2473
2474 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2475 SetLastError(NTE_BAD_KEY);
2476 return FALSE;
2477 }
2478
2479 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + pCryptKey->dwKeyLen;
2480 if (pbData) {
2481 if (*pdwDataLen < dwDataLen) {
2482 SetLastError(ERROR_MORE_DATA);
2483 *pdwDataLen = dwDataLen;
2484 return FALSE;
2485 }
2486
2487 pBlobHeader->bType = PUBLICKEYBLOB;
2488 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2489 pBlobHeader->reserved = 0;
2490 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2491
2492 pRSAPubKey->magic = RSAENH_MAGIC_RSA1;
2493 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2494
2495 export_public_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2496 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2497 }
2498 *pdwDataLen = dwDataLen;
2499 return TRUE;
2500 }
2501
2502 static BOOL crypt_export_private_key(CRYPTKEY *pCryptKey, BOOL force,
2503 BYTE *pbData, DWORD *pdwDataLen)
2504 {
2505 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2506 RSAPUBKEY *pRSAPubKey = (RSAPUBKEY*)(pBlobHeader+1);
2507 DWORD dwDataLen;
2508
2509 if ((pCryptKey->aiAlgid != CALG_RSA_KEYX) && (pCryptKey->aiAlgid != CALG_RSA_SIGN)) {
2510 SetLastError(NTE_BAD_KEY);
2511 return FALSE;
2512 }
2513 if (!force && !(pCryptKey->dwPermissions & CRYPT_EXPORT))
2514 {
2515 SetLastError(NTE_BAD_KEY_STATE);
2516 return FALSE;
2517 }
2518
2519 dwDataLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2520 2 * pCryptKey->dwKeyLen + 5 * ((pCryptKey->dwKeyLen + 1) >> 1);
2521 if (pbData) {
2522 if (*pdwDataLen < dwDataLen) {
2523 SetLastError(ERROR_MORE_DATA);
2524 *pdwDataLen = dwDataLen;
2525 return FALSE;
2526 }
2527
2528 pBlobHeader->bType = PRIVATEKEYBLOB;
2529 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2530 pBlobHeader->reserved = 0;
2531 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2532
2533 pRSAPubKey->magic = RSAENH_MAGIC_RSA2;
2534 pRSAPubKey->bitlen = pCryptKey->dwKeyLen << 3;
2535
2536 export_private_key_impl((BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2537 pCryptKey->dwKeyLen, &pRSAPubKey->pubexp);
2538 }
2539 *pdwDataLen = dwDataLen;
2540 return TRUE;
2541 }
2542
2543 static BOOL crypt_export_plaintext_key(CRYPTKEY *pCryptKey, BYTE *pbData,
2544 DWORD *pdwDataLen)
2545 {
2546 BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
2547 DWORD *pKeyLen = (DWORD*)(pBlobHeader+1);
2548 BYTE *pbKey = (BYTE*)(pKeyLen+1);
2549 DWORD dwDataLen;
2550
2551 dwDataLen = sizeof(BLOBHEADER) + sizeof(DWORD) + pCryptKey->dwKeyLen;
2552 if (pbData) {
2553 if (*pdwDataLen < dwDataLen) {
2554 SetLastError(ERROR_MORE_DATA);
2555 *pdwDataLen = dwDataLen;
2556 return FALSE;
2557 }
2558
2559 pBlobHeader->bType = PLAINTEXTKEYBLOB;
2560 pBlobHeader->bVersion = CUR_BLOB_VERSION;
2561 pBlobHeader->reserved = 0;
2562 pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
2563
2564 *pKeyLen = pCryptKey->dwKeyLen;
2565 memcpy(pbKey, pCryptKey->abKeyValue, pCryptKey->dwKeyLen);
2566 }
2567 *pdwDataLen = dwDataLen;
2568 return TRUE;
2569 }
2570 /******************************************************************************
2571 * crypt_export_key [Internal]
2572 *
2573 * Export a key into a binary large object (BLOB). Called by CPExportKey and
2574 * by store_key_pair.
2575 *
2576 * PARAMS
2577 * pCryptKey [I] Key to be exported.
2578 * hPubKey [I] Key used to encrypt sensitive BLOB data.
2579 * dwBlobType [I] SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2580 * dwFlags [I] Currently none defined.
2581 * force [I] If TRUE, the key is written no matter what the key's
2582 * permissions are. Otherwise the key's permissions are
2583 * checked before exporting.
2584 * pbData [O] Pointer to a buffer where the BLOB will be written to.
2585 * pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2586 *
2587 * RETURNS
2588 * Success: TRUE.
2589 * Failure: FALSE.
2590 */
2591 static BOOL crypt_export_key(CRYPTKEY *pCryptKey, HCRYPTKEY hPubKey,
2592 DWORD dwBlobType, DWORD dwFlags, BOOL force,
2593 BYTE *pbData, DWORD *pdwDataLen)
2594 {
2595 CRYPTKEY *pPubKey;
2596
2597 if (dwFlags & CRYPT_SSL2_FALLBACK) {
2598 if (pCryptKey->aiAlgid != CALG_SSL2_MASTER) {
2599 SetLastError(NTE_BAD_KEY);
2600 return FALSE;
2601 }
2602 }
2603
2604 switch ((BYTE)dwBlobType)
2605 {
2606 case SIMPLEBLOB:
2607 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey)){
2608 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error_code? */
2609 return FALSE;
2610 }
2611 return crypt_export_simple(pCryptKey, pPubKey, dwFlags, pbData,
2612 pdwDataLen);
2613
2614 case PUBLICKEYBLOB:
2615 if (is_valid_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY)) {
2616 SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
2617 return FALSE;
2618 }
2619
2620 return crypt_export_public_key(pCryptKey, pbData, pdwDataLen);
2621
2622 case PRIVATEKEYBLOB:
2623 return crypt_export_private_key(pCryptKey, force, pbData, pdwDataLen);
2624
2625 case PLAINTEXTKEYBLOB:
2626 return crypt_export_plaintext_key(pCryptKey, pbData, pdwDataLen);
2627
2628 default:
2629 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
2630 return FALSE;
2631 }
2632 }
2633
2634 /******************************************************************************
2635 * CPExportKey (RSAENH.@)
2636 *
2637 * Export a key into a binary large object (BLOB).
2638 *
2639 * PARAMS
2640 * hProv [I] Key container from which a key is to be exported.
2641 * hKey [I] Key to be exported.
2642 * hPubKey [I] Key used to encrypt sensitive BLOB data.
2643 * dwBlobType [I] SIMPLEBLOB, PUBLICKEYBLOB or PRIVATEKEYBLOB.
2644 * dwFlags [I] Currently none defined.
2645 * pbData [O] Pointer to a buffer where the BLOB will be written to.
2646 * pdwDataLen [I/O] I: Size of buffer at pbData, O: Size of BLOB
2647 *
2648 * RETURNS
2649 * Success: TRUE.
2650 * Failure: FALSE.
2651 */
2652 BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubKey,
2653 DWORD dwBlobType, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
2654 {
2655 CRYPTKEY *pCryptKey;
2656
2657 TRACE("(hProv=%08lx, hKey=%08lx, hPubKey=%08lx, dwBlobType=%08x, dwFlags=%08x, pbData=%p,"
2658 "pdwDataLen=%p)\n", hProv, hKey, hPubKey, dwBlobType, dwFlags, pbData, pdwDataLen);
2659
2660 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
2661 {
2662 SetLastError(NTE_BAD_UID);
2663 return FALSE;
2664 }
2665
2666 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
2667 {
2668 SetLastError(NTE_BAD_KEY);
2669 return FALSE;
2670 }
2671
2672 return crypt_export_key(pCryptKey, hPubKey, dwBlobType, dwFlags, FALSE,
2673 pbData, pdwDataLen);
2674 }
2675
2676 /******************************************************************************
2677 * release_and_install_key [Internal]
2678 *
2679 * Release an existing key, if present, and replaces it with a new one.
2680 *
2681 * PARAMS
2682 * hProv [I] Key container into which the key is to be imported.
2683 * src [I] Key which will replace *dest
2684 * dest [I] Points to key to be released and replaced with src
2685 * fStoreKey [I] If TRUE, the newly installed key is stored to the registry.
2686 */
2687 static void release_and_install_key(HCRYPTPROV hProv, HCRYPTKEY src,
2688 HCRYPTKEY *dest, DWORD fStoreKey)
2689 {
2690 RSAENH_CPDestroyKey(hProv, *dest);
2691 copy_handle(&handle_table, src, RSAENH_MAGIC_KEY, dest);
2692 if (fStoreKey)
2693 {
2694 KEYCONTAINER *pKeyContainer;
2695
2696 if (lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2697 (OBJECTHDR**)&pKeyContainer))
2698 {
2699 store_key_container_keys(pKeyContainer);
2700 store_key_container_permissions(pKeyContainer);
2701 }
2702 }
2703 }
2704
2705 /******************************************************************************
2706 * import_private_key [Internal]
2707 *
2708 * Import a BLOB'ed private key into a key container.
2709 *
2710 * PARAMS
2711 * hProv [I] Key container into which the private key is to be imported.
2712 * pbData [I] Pointer to a buffer which holds the private key BLOB.
2713 * dwDataLen [I] Length of data in buffer at pbData.
2714 * dwFlags [I] One of:
2715 * CRYPT_EXPORTABLE: the imported key is marked exportable
2716 * fStoreKey [I] If TRUE, the imported key is stored to the registry.
2717 * phKey [O] Handle to the imported key.
2718 *
2719 *
2720 * NOTES
2721 * Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2722 * it's a PRIVATEKEYBLOB.
2723 *
2724 * RETURNS
2725 * Success: TRUE.
2726 * Failure: FALSE.
2727 */
2728 static BOOL import_private_key(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
2729 DWORD dwFlags, BOOL fStoreKey, HCRYPTKEY *phKey)
2730 {
2731 KEYCONTAINER *pKeyContainer;
2732 CRYPTKEY *pCryptKey;
2733 const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
2734 const RSAPUBKEY *pRSAPubKey = (const RSAPUBKEY*)(pBlobHeader+1);
2735 BOOL ret;
2736
2737 if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2738 {
2739 FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2740 SetLastError(NTE_BAD_FLAGS);
2741 return FALSE;
2742 }
2743 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2744 (OBJECTHDR**)&pKeyContainer))
2745 {
2746 SetLastError(NTE_BAD_UID);
2747 return FALSE;
2748 }
2749
2750 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)))
2751 {
2752 ERR("datalen %d not long enough for a BLOBHEADER + RSAPUBKEY\n",
2753 dwDataLen);
2754 SetLastError(NTE_BAD_DATA);
2755 return FALSE;
2756 }
2757 if (pRSAPubKey->magic != RSAENH_MAGIC_RSA2)
2758 {
2759 ERR("unexpected magic %08x\n", pRSAPubKey->magic);
2760 SetLastError(NTE_BAD_DATA);
2761 return FALSE;
2762 }
2763 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2764 (pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4))))
2765 {
2766 DWORD expectedLen = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
2767 (pRSAPubKey->bitlen >> 3) + (5 * ((pRSAPubKey->bitlen+8)>>4));
2768
2769 ERR("blob too short for pub key: expect %d, got %d\n",
2770 expectedLen, dwDataLen);
2771 SetLastError(NTE_BAD_DATA);
2772 return FALSE;
2773 }
2774
2775 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2776 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2777 setup_key(pCryptKey);
2778 ret = import_private_key_impl((const BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2779 pRSAPubKey->bitlen/8, dwDataLen, pRSAPubKey->pubexp);
2780 if (ret) {
2781 if (dwFlags & CRYPT_EXPORTABLE)
2782 pCryptKey->dwPermissions |= CRYPT_EXPORT;
2783 switch (pBlobHeader->aiKeyAlg)
2784 {
2785 case AT_SIGNATURE:
2786 case CALG_RSA_SIGN:
2787 TRACE("installing signing key\n");
2788 release_and_install_key(hProv, *phKey, &pKeyContainer->hSignatureKeyPair,
2789 fStoreKey);
2790 break;
2791 case AT_KEYEXCHANGE:
2792 case CALG_RSA_KEYX:
2793 TRACE("installing key exchange key\n");
2794 release_and_install_key(hProv, *phKey, &pKeyContainer->hKeyExchangeKeyPair,
2795 fStoreKey);
2796 break;
2797 }
2798 }
2799 return ret;
2800 }
2801
2802 /******************************************************************************
2803 * import_public_key [Internal]
2804 *
2805 * Import a BLOB'ed public key into a key container.
2806 *
2807 * PARAMS
2808 * hProv [I] Key container into which the public key is to be imported.
2809 * pbData [I] Pointer to a buffer which holds the public key BLOB.
2810 * dwDataLen [I] Length of data in buffer at pbData.
2811 * dwFlags [I] One of:
2812 * CRYPT_EXPORTABLE: the imported key is marked exportable
2813 * fStoreKey [I] If TRUE, the imported key is stored to the registry.
2814 * phKey [O] Handle to the imported key.
2815 *
2816 *
2817 * NOTES
2818 * Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2819 * it's a PUBLICKEYBLOB.
2820 *
2821 * RETURNS
2822 * Success: TRUE.
2823 * Failure: FALSE.
2824 */
2825 static BOOL import_public_key(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
2826 DWORD dwFlags, BOOL fStoreKey, HCRYPTKEY *phKey)
2827 {
2828 KEYCONTAINER *pKeyContainer;
2829 CRYPTKEY *pCryptKey;
2830 const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
2831 const RSAPUBKEY *pRSAPubKey = (const RSAPUBKEY*)(pBlobHeader+1);
2832 ALG_ID algID;
2833 BOOL ret;
2834
2835 if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2836 {
2837 FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2838 SetLastError(NTE_BAD_FLAGS);
2839 return FALSE;
2840 }
2841 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
2842 (OBJECTHDR**)&pKeyContainer))
2843 {
2844 SetLastError(NTE_BAD_UID);
2845 return FALSE;
2846 }
2847
2848 if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
2849 (pRSAPubKey->magic != RSAENH_MAGIC_RSA1) ||
2850 (dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) + (pRSAPubKey->bitlen >> 3)))
2851 {
2852 SetLastError(NTE_BAD_DATA);
2853 return FALSE;
2854 }
2855
2856 /* Since this is a public key blob, only the public key is
2857 * available, so only signature verification is possible.
2858 */
2859 algID = pBlobHeader->aiKeyAlg;
2860 *phKey = new_key(hProv, algID, MAKELONG(0,pRSAPubKey->bitlen), &pCryptKey);
2861 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
2862 setup_key(pCryptKey);
2863 ret = import_public_key_impl((const BYTE*)(pRSAPubKey+1), &pCryptKey->context,
2864 pRSAPubKey->bitlen >> 3, pRSAPubKey->pubexp);
2865 if (ret) {
2866 if (dwFlags & CRYPT_EXPORTABLE)
2867 pCryptKey->dwPermissions |= CRYPT_EXPORT;
2868 switch (pBlobHeader->aiKeyAlg)
2869 {
2870 case AT_KEYEXCHANGE:
2871 case CALG_RSA_KEYX:
2872 TRACE("installing public key\n");
2873 release_and_install_key(hProv, *phKey, &pKeyContainer->hKeyExchangeKeyPair,
2874 fStoreKey);
2875 break;
2876 }
2877 }
2878 return ret;
2879 }
2880
2881 /******************************************************************************
2882 * import_symmetric_key [Internal]
2883 *
2884 * Import a BLOB'ed symmetric key into a key container.
2885 *
2886 * PARAMS
2887 * hProv [I] Key container into which the symmetric key is to be imported.
2888 * pbData [I] Pointer to a buffer which holds the symmetric key BLOB.
2889 * dwDataLen [I] Length of data in buffer at pbData.
2890 * hPubKey [I] Key used to decrypt sensitive BLOB data.
2891 * dwFlags [I] One of:
2892 * CRYPT_EXPORTABLE: the imported key is marked exportable
2893 * phKey [O] Handle to the imported key.
2894 *
2895 *
2896 * NOTES
2897 * Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2898 * it's a SIMPLEBLOB.
2899 *
2900 * RETURNS
2901 * Success: TRUE.
2902 * Failure: FALSE.
2903 */
2904 static BOOL import_symmetric_key(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
2905 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
2906 {
2907 CRYPTKEY *pCryptKey, *pPubKey;
2908 const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
2909 const ALG_ID *pAlgid = (const ALG_ID*)(pBlobHeader+1);
2910 const BYTE *pbKeyStream = (const BYTE*)(pAlgid + 1);
2911 BYTE *pbDecrypted;
2912 DWORD dwKeyLen;
2913
2914 if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2915 {
2916 FIXME("unimplemented for CRYPT_IPSEC_HMAC_KEY\n");
2917 SetLastError(NTE_BAD_FLAGS);
2918 return FALSE;
2919 }
2920 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pPubKey) ||
2921 pPubKey->aiAlgid != CALG_RSA_KEYX)
2922 {
2923 SetLastError(NTE_BAD_PUBLIC_KEY); /* FIXME: error code? */
2924 return FALSE;
2925 }
2926
2927 if (dwDataLen < sizeof(BLOBHEADER)+sizeof(ALG_ID)+pPubKey->dwBlockLen)
2928 {
2929 SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2930 return FALSE;
2931 }
2932
2933 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, pPubKey->dwBlockLen);
2934 if (!pbDecrypted) return FALSE;
2935 encrypt_block_impl(pPubKey->aiAlgid, PK_PRIVATE, &pPubKey->context, pbKeyStream, pbDecrypted,
2936 RSAENH_DECRYPT);
2937
2938 dwKeyLen = RSAENH_MAX_KEY_SIZE;
2939 if (!unpad_data(pbDecrypted, pPubKey->dwBlockLen, pbDecrypted, &dwKeyLen, dwFlags)) {
2940 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2941 return FALSE;
2942 }
2943
2944 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, dwKeyLen<<19, &pCryptKey);
2945 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2946 {
2947 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2948 return FALSE;
2949 }
2950 memcpy(pCryptKey->abKeyValue, pbDecrypted, dwKeyLen);
2951 HeapFree(GetProcessHeap(), 0, pbDecrypted);
2952 setup_key(pCryptKey);
2953 if (dwFlags & CRYPT_EXPORTABLE)
2954 pCryptKey->dwPermissions |= CRYPT_EXPORT;
2955 return TRUE;
2956 }
2957
2958 /******************************************************************************
2959 * import_plaintext_key [Internal]
2960 *
2961 * Import a plaintext key into a key container.
2962 *
2963 * PARAMS
2964 * hProv [I] Key container into which the symmetric key is to be imported.
2965 * pbData [I] Pointer to a buffer which holds the plaintext key BLOB.
2966 * dwDataLen [I] Length of data in buffer at pbData.
2967 * dwFlags [I] One of:
2968 * CRYPT_EXPORTABLE: the imported key is marked exportable
2969 * phKey [O] Handle to the imported key.
2970 *
2971 *
2972 * NOTES
2973 * Assumes the caller has already checked the BLOBHEADER at pbData to ensure
2974 * it's a PLAINTEXTKEYBLOB.
2975 *
2976 * RETURNS
2977 * Success: TRUE.
2978 * Failure: FALSE.
2979 */
2980 static BOOL import_plaintext_key(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
2981 DWORD dwFlags, HCRYPTKEY *phKey)
2982 {
2983 CRYPTKEY *pCryptKey;
2984 const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
2985 const DWORD *pKeyLen = (const DWORD *)(pBlobHeader + 1);
2986 const BYTE *pbKeyStream = (const BYTE*)(pKeyLen + 1);
2987
2988 if (dwDataLen < sizeof(BLOBHEADER)+sizeof(DWORD)+*pKeyLen)
2989 {
2990 SetLastError(NTE_BAD_DATA); /* FIXME: error code */
2991 return FALSE;
2992 }
2993
2994 if (dwFlags & CRYPT_IPSEC_HMAC_KEY)
2995 {
2996 *phKey = new_key(hProv, CALG_HMAC, 0, &pCryptKey);
2997 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
2998 return FALSE;
2999 if (*pKeyLen <= RSAENH_MIN(sizeof(pCryptKey->abKeyValue), RSAENH_HMAC_BLOCK_LEN))
3000 {
3001 memcpy(pCryptKey->abKeyValue, pbKeyStream, *pKeyLen);
3002 pCryptKey->dwKeyLen = *pKeyLen;
3003 }
3004 else
3005 {
3006 CRYPT_DATA_BLOB blobHmacKey = { *pKeyLen, (BYTE *)pbKeyStream };
3007
3008 /* In order to initialize an HMAC key, the key material is hashed,
3009 * and the output of the hash function is used as the key material.
3010 * Unfortunately, the way the Crypto API is designed, we don't know
3011 * the hash algorithm yet, so we have to copy the entire key
3012 * material.
3013 */
3014 if (!copy_data_blob(&pCryptKey->blobHmacKey, &blobHmacKey))
3015 {
3016 release_handle(&handle_table, *phKey, RSAENH_MAGIC_KEY);
3017 *phKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
3018 return FALSE;
3019 }
3020 }
3021 setup_key(pCryptKey);
3022 if (dwFlags & CRYPT_EXPORTABLE)
3023 pCryptKey->dwPermissions |= CRYPT_EXPORT;
3024 }
3025 else
3026 {
3027 *phKey = new_key(hProv, pBlobHeader->aiKeyAlg, *pKeyLen<<19, &pCryptKey);
3028 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
3029 return FALSE;
3030 memcpy(pCryptKey->abKeyValue, pbKeyStream, *pKeyLen);
3031 setup_key(pCryptKey);
3032 if (dwFlags & CRYPT_EXPORTABLE)
3033 pCryptKey->dwPermissions |= CRYPT_EXPORT;
3034 }
3035 return TRUE;
3036 }
3037
3038 /******************************************************************************
3039 * import_key [Internal]
3040 *
3041 * Import a BLOB'ed key into a key container, optionally storing the key's
3042 * value to the registry.
3043 *
3044 * PARAMS
3045 * hProv [I] Key container into which the key is to be imported.
3046 * pbData [I] Pointer to a buffer which holds the BLOB.
3047 * dwDataLen [I] Length of data in buffer at pbData.
3048 * hPubKey [I] Key used to decrypt sensitive BLOB data.
3049 * dwFlags [I] One of:
3050 * CRYPT_EXPORTABLE: the imported key is marked exportable
3051 * fStoreKey [I] If TRUE, the imported key is stored to the registry.
3052 * phKey [O] Handle to the imported key.
3053 *
3054 * RETURNS
3055 * Success: TRUE.
3056 * Failure: FALSE.
3057 */
3058 static BOOL import_key(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen, HCRYPTKEY hPubKey,
3059 DWORD dwFlags, BOOL fStoreKey, HCRYPTKEY *phKey)
3060 {
3061 KEYCONTAINER *pKeyContainer;
3062 const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
3063
3064 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3065 (OBJECTHDR**)&pKeyContainer))
3066 {
3067 SetLastError(NTE_BAD_UID);
3068 return FALSE;
3069 }
3070
3071 if (dwDataLen < sizeof(BLOBHEADER) ||
3072 pBlobHeader->bVersion != CUR_BLOB_VERSION ||
3073 pBlobHeader->reserved != 0)
3074 {
3075 TRACE("bVersion = %d, reserved = %d\n", pBlobHeader->bVersion,
3076 pBlobHeader->reserved);
3077 SetLastError(NTE_BAD_DATA);
3078 return FALSE;
3079 }
3080
3081 /* If this is a verify-only context, the key is not persisted regardless of
3082 * fStoreKey's original value.
3083 */
3084 fStoreKey = fStoreKey && !(dwFlags & CRYPT_VERIFYCONTEXT);
3085 TRACE("blob type: %x\n", pBlobHeader->bType);
3086 switch (pBlobHeader->bType)
3087 {
3088 case PRIVATEKEYBLOB:
3089 return import_private_key(hProv, pbData, dwDataLen, dwFlags,
3090 fStoreKey, phKey);
3091
3092 case PUBLICKEYBLOB:
3093 return import_public_key(hProv, pbData, dwDataLen, dwFlags,
3094 fStoreKey, phKey);
3095
3096 case SIMPLEBLOB:
3097 return import_symmetric_key(hProv, pbData, dwDataLen, hPubKey,
3098 dwFlags, phKey);
3099
3100 case PLAINTEXTKEYBLOB:
3101 return import_plaintext_key(hProv, pbData, dwDataLen, dwFlags,
3102 phKey);
3103
3104 default:
3105 SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
3106 return FALSE;
3107 }
3108 }
3109
3110 /******************************************************************************
3111 * CPImportKey (RSAENH.@)
3112 *
3113 * Import a BLOB'ed key into a key container.
3114 *
3115 * PARAMS
3116 * hProv [I] Key container into which the key is to be imported.
3117 * pbData [I] Pointer to a buffer which holds the BLOB.
3118 * dwDataLen [I] Length of data in buffer at pbData.
3119 * hPubKey [I] Key used to decrypt sensitive BLOB data.
3120 * dwFlags [I] One of:
3121 * CRYPT_EXPORTABLE: the imported key is marked exportable
3122 * phKey [O] Handle to the imported key.
3123 *
3124 * RETURNS
3125 * Success: TRUE.
3126 * Failure: FALSE.
3127 */
3128 BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
3129 HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
3130 {
3131 TRACE("(hProv=%08lx, pbData=%p, dwDataLen=%d, hPubKey=%08lx, dwFlags=%08x, phKey=%p)\n",
3132 hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
3133
3134 return import_key(hProv, pbData, dwDataLen, hPubKey, dwFlags, TRUE, phKey);
3135 }
3136
3137 /******************************************************************************
3138 * CPGenKey (RSAENH.@)
3139 *
3140 * Generate a key in the key container
3141 *
3142 * PARAMS
3143 * hProv [I] Key container for which a key is to be generated.
3144 * Algid [I] Crypto algorithm identifier for the key to be generated.
3145 * dwFlags [I] Upper 16 bits: Binary length of key. Lower 16 bits: Flags. See Notes
3146 * phKey [O] Handle to the generated key.
3147 *
3148 * RETURNS
3149 * Success: TRUE.
3150 * Failure: FALSE.
3151 *
3152 * FIXME
3153 * Flags currently not considered.
3154 *
3155 * NOTES
3156 * Private key-exchange- and signature-keys can be generated with Algid AT_KEYEXCHANGE
3157 * and AT_SIGNATURE values.
3158 */
3159 BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
3160 {
3161 KEYCONTAINER *pKeyContainer;
3162 CRYPTKEY *pCryptKey;
3163
3164 TRACE("(hProv=%08lx, aiAlgid=%d, dwFlags=%08x, phKey=%p)\n", hProv, Algid, dwFlags, phKey);
3165
3166 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3167 (OBJECTHDR**)&pKeyContainer))
3168 {
3169 /* MSDN: hProv not containing valid context handle */
3170 SetLastError(NTE_BAD_UID);
3171 return FALSE;
3172 }
3173
3174 switch (Algid)
3175 {
3176 case AT_SIGNATURE:
3177 case CALG_RSA_SIGN:
3178 *phKey = new_key(hProv, CALG_RSA_SIGN, dwFlags, &pCryptKey);
3179 if (pCryptKey) {
3180 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
3181 setup_key(pCryptKey);
3182 release_and_install_key(hProv, *phKey,
3183 &pKeyContainer->hSignatureKeyPair,
3184 FALSE);
3185 }
3186 break;
3187
3188 case AT_KEYEXCHANGE:
3189 case CALG_RSA_KEYX:
3190 *phKey = new_key(hProv, CALG_RSA_KEYX, dwFlags, &pCryptKey);
3191 if (pCryptKey) {
3192 new_key_impl(pCryptKey->aiAlgid, &pCryptKey->context, pCryptKey->dwKeyLen);
3193 setup_key(pCryptKey);
3194 release_and_install_key(hProv, *phKey,
3195 &pKeyContainer->hKeyExchangeKeyPair,
3196 FALSE);
3197 }
3198 break;
3199
3200 case CALG_RC2:
3201 case CALG_RC4:
3202 case CALG_DES:
3203 case CALG_3DES_112:
3204 case CALG_3DES:
3205 case CALG_AES:
3206 case CALG_AES_128:
3207 case CALG_AES_192:
3208 case CALG_AES_256:
3209 case CALG_PCT1_MASTER:
3210 case CALG_SSL2_MASTER:
3211 case CALG_SSL3_MASTER:
3212 case CALG_TLS1_MASTER:
3213 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3214 if (pCryptKey) {
3215 gen_rand_impl(pCryptKey->abKeyValue, RSAENH_MAX_KEY_SIZE);
3216 switch (Algid) {
3217 case CALG_SSL3_MASTER:
3218 pCryptKey->abKeyValue[0] = RSAENH_SSL3_VERSION_MAJOR;
3219 pCryptKey->abKeyValue[1] = RSAENH_SSL3_VERSION_MINOR;
3220 break;
3221
3222 case CALG_TLS1_MASTER:
3223 pCryptKey->abKeyValue[0] = RSAENH_TLS1_VERSION_MAJOR;
3224 pCryptKey->abKeyValue[1] = RSAENH_TLS1_VERSION_MINOR;
3225 break;
3226 }
3227 setup_key(pCryptKey);
3228 }
3229 break;
3230
3231 default:
3232 /* MSDN: Algorithm not supported specified by Algid */
3233 SetLastError(NTE_BAD_ALGID);
3234 return FALSE;
3235 }
3236
3237 return *phKey != (HCRYPTKEY)INVALID_HANDLE_VALUE;
3238 }
3239
3240 /******************************************************************************
3241 * CPGenRandom (RSAENH.@)
3242 *
3243 * Generate a random byte stream.
3244 *
3245 * PARAMS
3246 * hProv [I] Key container that is used to generate random bytes.
3247 * dwLen [I] Specifies the number of requested random data bytes.
3248 * pbBuffer [O] Random bytes will be stored here.
3249 *
3250 * RETURNS
3251 * Success: TRUE
3252 * Failure: FALSE
3253 */
3254 BOOL WINAPI RSAENH_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
3255 {
3256 TRACE("(hProv=%08lx, dwLen=%d, pbBuffer=%p)\n", hProv, dwLen, pbBuffer);
3257
3258 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3259 {
3260 /* MSDN: hProv not containing valid context handle */
3261 SetLastError(NTE_BAD_UID);
3262 return FALSE;
3263 }
3264
3265 return gen_rand_impl(pbBuffer, dwLen);
3266 }
3267
3268 /******************************************************************************
3269 * CPGetHashParam (RSAENH.@)
3270 *
3271 * Query parameters of an hash object.
3272 *
3273 * PARAMS
3274 * hProv [I] The kea container, which the hash belongs to.
3275 * hHash [I] The hash object that is to be queried.
3276 * dwParam [I] Specifies the parameter that is to be queried.
3277 * pbData [I] Pointer to the buffer where the parameter value will be stored.
3278 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3279 * dwFlags [I] None currently defined.
3280 *
3281 * RETURNS
3282 * Success: TRUE
3283 * Failure: FALSE
3284 *
3285 * NOTES
3286 * Valid dwParams are: HP_ALGID, HP_HASHSIZE, HP_HASHVALUE. The hash will be
3287 * finalized if HP_HASHVALUE is queried.
3288 */
3289 BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
3290 DWORD *pdwDataLen, DWORD dwFlags)
3291 {
3292 CRYPTHASH *pCryptHash;
3293
3294 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
3295 hProv, hHash, dwParam, pbData, pdwDataLen, dwFlags);
3296
3297 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3298 {
3299 SetLastError(NTE_BAD_UID);
3300 return FALSE;
3301 }
3302
3303 if (dwFlags)
3304 {
3305 SetLastError(NTE_BAD_FLAGS);
3306 return FALSE;
3307 }
3308
3309 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
3310 (OBJECTHDR**)&pCryptHash))
3311 {
3312 SetLastError(NTE_BAD_HASH);
3313 return FALSE;
3314 }
3315
3316 if (!pdwDataLen)
3317 {
3318 SetLastError(ERROR_INVALID_PARAMETER);
3319 return FALSE;
3320 }
3321
3322 switch (dwParam)
3323 {
3324 case HP_ALGID:
3325 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptHash->aiAlgid,
3326 sizeof(ALG_ID));
3327
3328 case HP_HASHSIZE:
3329 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptHash->dwHashSize,
3330 sizeof(DWORD));
3331
3332 case HP_HASHVAL:
3333 if (pCryptHash->aiAlgid == CALG_TLS1PRF) {
3334 return tls1_prf(hProv, pCryptHash->hKey, &pCryptHash->tpPRFParams.blobLabel,
3335 &pCryptHash->tpPRFParams.blobSeed, pbData, *pdwDataLen);
3336 }
3337
3338 if ( pbData == NULL ) {
3339 *pdwDataLen = pCryptHash->dwHashSize;
3340 return TRUE;
3341 }
3342
3343 if (pbData && (pCryptHash->dwState != RSAENH_HASHSTATE_FINISHED))
3344 {
3345 finalize_hash(pCryptHash);
3346 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
3347 }
3348
3349 return copy_param(pbData, pdwDataLen, pCryptHash->abHashValue,
3350 pCryptHash->dwHashSize);
3351
3352 default:
3353 SetLastError(NTE_BAD_TYPE);
3354 return FALSE;
3355 }
3356 }
3357
3358 /******************************************************************************
3359 * CPSetKeyParam (RSAENH.@)
3360 *
3361 * Set a parameter of a key object
3362 *
3363 * PARAMS
3364 * hProv [I] The key container to which the key belongs.
3365 * hKey [I] The key for which a parameter is to be set.
3366 * dwParam [I] Parameter type. See Notes.
3367 * pbData [I] Pointer to the parameter value.
3368 * dwFlags [I] Currently none defined.
3369 *
3370 * RETURNS
3371 * Success: TRUE.
3372 * Failure: FALSE.
3373 *
3374 * NOTES:
3375 * Defined dwParam types are:
3376 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
3377 * - KP_MODE_BITS: Shift width for cipher feedback mode. (Currently ignored by MS CSP's)
3378 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
3379 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
3380 * - KP_IV: Initialization vector
3381 */
3382 BOOL WINAPI RSAENH_CPSetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
3383 DWORD dwFlags)
3384 {
3385 CRYPTKEY *pCryptKey;
3386
3387 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, hKey,
3388 dwParam, pbData, dwFlags);
3389
3390 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3391 {
3392 SetLastError(NTE_BAD_UID);
3393 return FALSE;
3394 }
3395
3396 if (dwFlags) {
3397 SetLastError(NTE_BAD_FLAGS);
3398 return FALSE;
3399 }
3400
3401 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
3402 {
3403 SetLastError(NTE_BAD_KEY);
3404 return FALSE;
3405 }
3406
3407 switch (dwParam) {
3408 case KP_PADDING:
3409 /* The MS providers only support PKCS5_PADDING */
3410 if (*(DWORD *)pbData != PKCS5_PADDING) {
3411 SetLastError(NTE_BAD_DATA);
3412 return FALSE;
3413 }
3414 return TRUE;
3415
3416 case KP_MODE:
3417 pCryptKey->dwMode = *(DWORD*)pbData;
3418 return TRUE;
3419
3420 case KP_MODE_BITS:
3421 pCryptKey->dwModeBits = *(DWORD*)pbData;
3422 return TRUE;
3423
3424 case KP_PERMISSIONS:
3425 {
3426 DWORD perms = *(DWORD *)pbData;
3427
3428 if ((perms & CRYPT_EXPORT) &&
3429 !(pCryptKey->dwPermissions & CRYPT_EXPORT))
3430 {
3431 SetLastError(NTE_BAD_DATA);
3432 return FALSE;
3433 }
3434 else if (!(perms & CRYPT_EXPORT) &&
3435 (pCryptKey->dwPermissions & CRYPT_EXPORT))
3436 {
3437 /* Clearing the export permission appears to be ignored,
3438 * see tests.
3439 */
3440 perms |= CRYPT_EXPORT;
3441 }
3442 pCryptKey->dwPermissions = perms;
3443 return TRUE;
3444 }
3445
3446 case KP_IV:
3447 memcpy(pCryptKey->abInitVector, pbData, pCryptKey->dwBlockLen);
3448 setup_key(pCryptKey);
3449 return TRUE;
3450
3451 case KP_SALT:
3452 switch (pCryptKey->aiAlgid) {
3453 case CALG_RC2:
3454 case CALG_RC4:
3455 if (!pbData)
3456 {
3457 SetLastError(ERROR_INVALID_PARAMETER);
3458 return FALSE;
3459 }
3460 /* MSDN: the base provider always sets eleven bytes of
3461 * salt value.
3462 */
3463 memcpy(pCryptKey->abKeyValue + pCryptKey->dwKeyLen,
3464 pbData, 11);
3465 pCryptKey->dwSaltLen = 11;
3466 setup_key(pCryptKey);
3467 /* Strange but true: salt length reset to 0 after setting
3468 * it via KP_SALT.
3469 */
3470 pCryptKey->dwSaltLen = 0;
3471 break;
3472 default:
3473 SetLastError(NTE_BAD_KEY);
3474 return FALSE;
3475 }
3476 return TRUE;
3477
3478 case KP_SALT_EX:
3479 {
3480 CRYPT_INTEGER_BLOB *blob = (CRYPT_INTEGER_BLOB *)pbData;
3481
3482 /* salt length can't be greater than 184 bits = 24 bytes */
3483 if (blob->cbData > 24)
3484 {
3485 SetLastError(NTE_BAD_DATA);
3486 return FALSE;
3487 }
3488 memcpy(pCryptKey->abKeyValue + pCryptKey->dwKeyLen, blob->pbData,
3489 blob->cbData);
3490 pCryptKey->dwSaltLen = blob->cbData;
3491 setup_key(pCryptKey);
3492 return TRUE;
3493 }
3494
3495 case KP_EFFECTIVE_KEYLEN:
3496 switch (pCryptKey->aiAlgid) {
3497 case CALG_RC2:
3498 if (!pbData)
3499 {
3500 SetLastError(ERROR_INVALID_PARAMETER);
3501 return FALSE;
3502 }
3503 else if (!*(DWORD *)pbData || *(DWORD *)pbData > 1024)
3504 {
3505 SetLastError(NTE_BAD_DATA);
3506 return FALSE;
3507 }
3508 else
3509 {
3510 pCryptKey->dwEffectiveKeyLen = *(DWORD *)pbData;
3511 setup_key(pCryptKey);
3512 }
3513 break;
3514 default:
3515 SetLastError(NTE_BAD_TYPE);
3516 return FALSE;
3517 }
3518 return TRUE;
3519
3520 case KP_SCHANNEL_ALG:
3521 switch (((PSCHANNEL_ALG)pbData)->dwUse) {
3522 case SCHANNEL_ENC_KEY:
3523 memcpy(&pCryptKey->siSChannelInfo.saEncAlg, pbData, sizeof(SCHANNEL_ALG));
3524 break;
3525
3526 case SCHANNEL_MAC_KEY:
3527 memcpy(&pCryptKey->siSChannelInfo.saMACAlg, pbData, sizeof(SCHANNEL_ALG));
3528 break;
3529
3530 default:
3531 SetLastError(NTE_FAIL); /* FIXME: error code */
3532 return FALSE;
3533 }
3534 return TRUE;
3535
3536 case KP_CLIENT_RANDOM:
3537 return copy_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom, (PCRYPT_DATA_BLOB)pbData);
3538
3539 case KP_SERVER_RANDOM:
3540 return copy_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom, (PCRYPT_DATA_BLOB)pbData);
3541
3542 default:
3543 SetLastError(NTE_BAD_TYPE);
3544 return FALSE;
3545 }
3546 }
3547
3548 /******************************************************************************
3549 * CPGetKeyParam (RSAENH.@)
3550 *
3551 * Query a key parameter.
3552 *
3553 * PARAMS
3554 * hProv [I] The key container, which the key belongs to.
3555 * hHash [I] The key object that is to be queried.
3556 * dwParam [I] Specifies the parameter that is to be queried.
3557 * pbData [I] Pointer to the buffer where the parameter value will be stored.
3558 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3559 * dwFlags [I] None currently defined.
3560 *
3561 * RETURNS
3562 * Success: TRUE
3563 * Failure: FALSE
3564 *
3565 * NOTES
3566 * Defined dwParam types are:
3567 * - KP_MODE: Values MODE_CBC, MODE_ECB, MODE_CFB.
3568 * - KP_MODE_BITS: Shift width for cipher feedback mode.
3569 * (Currently ignored by MS CSP's - always eight)
3570 * - KP_PERMISSIONS: Or'ed combination of CRYPT_ENCRYPT, CRYPT_DECRYPT,
3571 * CRYPT_EXPORT, CRYPT_READ, CRYPT_WRITE, CRYPT_MAC
3572 * - KP_IV: Initialization vector.
3573 * - KP_KEYLEN: Bitwidth of the key.
3574 * - KP_BLOCKLEN: Size of a block cipher block.
3575 * - KP_SALT: Salt value.
3576 */
3577 BOOL WINAPI RSAENH_CPGetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
3578 DWORD *pdwDataLen, DWORD dwFlags)
3579 {
3580 CRYPTKEY *pCryptKey;
3581 DWORD dwValue;
3582
3583 TRACE("(hProv=%08lx, hKey=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p dwFlags=%08x)\n",
3584 hProv, hKey, dwParam, pbData, pdwDataLen, dwFlags);
3585
3586 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3587 {
3588 SetLastError(NTE_BAD_UID);
3589 return FALSE;
3590 }
3591
3592 if (dwFlags) {
3593 SetLastError(NTE_BAD_FLAGS);
3594 return FALSE;
3595 }
3596
3597 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pCryptKey))
3598 {
3599 SetLastError(NTE_BAD_KEY);
3600 return FALSE;
3601 }
3602
3603 switch (dwParam)
3604 {
3605 case KP_IV:
3606 return copy_param(pbData, pdwDataLen, pCryptKey->abInitVector,
3607 pCryptKey->dwBlockLen);
3608
3609 case KP_SALT:
3610 switch (pCryptKey->aiAlgid) {
3611 case CALG_RC2:
3612 case CALG_RC4:
3613 return copy_param(pbData, pdwDataLen,
3614 &pCryptKey->abKeyValue[pCryptKey->dwKeyLen],
3615 pCryptKey->dwSaltLen);
3616 default:
3617 SetLastError(NTE_BAD_KEY);
3618 return FALSE;
3619 }
3620
3621 case KP_PADDING:
3622 dwValue = PKCS5_PADDING;
3623 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwValue, sizeof(DWORD));
3624
3625 case KP_KEYLEN:
3626 dwValue = pCryptKey->dwKeyLen << 3;
3627 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwValue, sizeof(DWORD));
3628
3629 case KP_EFFECTIVE_KEYLEN:
3630 if (pCryptKey->dwEffectiveKeyLen)
3631 dwValue = pCryptKey->dwEffectiveKeyLen;
3632 else
3633 dwValue = pCryptKey->dwKeyLen << 3;
3634 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwValue, sizeof(DWORD));
3635
3636 case KP_BLOCKLEN:
3637 dwValue = pCryptKey->dwBlockLen << 3;
3638 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwValue, sizeof(DWORD));
3639
3640 case KP_MODE:
3641 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptKey->dwMode, sizeof(DWORD));
3642
3643 case KP_MODE_BITS:
3644 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptKey->dwModeBits,
3645 sizeof(DWORD));
3646
3647 case KP_PERMISSIONS:
3648 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptKey->dwPermissions,
3649 sizeof(DWORD));
3650
3651 case KP_ALGID:
3652 return copy_param(pbData, pdwDataLen, (const BYTE*)&pCryptKey->aiAlgid, sizeof(DWORD));
3653
3654 default:
3655 SetLastError(NTE_BAD_TYPE);
3656 return FALSE;
3657 }
3658 }
3659
3660 /******************************************************************************
3661 * CPGetProvParam (RSAENH.@)
3662 *
3663 * Query a CSP parameter.
3664 *
3665 * PARAMS
3666 * hProv [I] The key container that is to be queried.
3667 * dwParam [I] Specifies the parameter that is to be queried.
3668 * pbData [I] Pointer to the buffer where the parameter value will be stored.
3669 * pdwDataLen [I/O] I: Buffer length at pbData, O: Length of the parameter value.
3670 * dwFlags [I] CRYPT_FIRST: Start enumeration (for PP_ENUMALGS{_EX}).
3671 *
3672 * RETURNS
3673 * Success: TRUE
3674 * Failure: FALSE
3675 * NOTES:
3676 * Defined dwParam types:
3677 * - PP_CONTAINER: Name of the key container.
3678 * - PP_NAME: Name of the cryptographic service provider.
3679 * - PP_SIG_KEYSIZE_INC: RSA signature keywidth granularity in bits.
3680 * - PP_KEYX_KEYSIZE_INC: RSA key-exchange keywidth granularity in bits.
3681 * - PP_ENUMALGS{_EX}: Query provider capabilities.
3682 * - PP_KEYSET_SEC_DESCR: Retrieve security descriptor on container.
3683 */
3684 BOOL WINAPI RSAENH_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
3685 DWORD *pdwDataLen, DWORD dwFlags)
3686 {
3687 KEYCONTAINER *pKeyContainer;
3688 PROV_ENUMALGS provEnumalgs;
3689 DWORD dwTemp;
3690 HKEY hKey;
3691
3692 /* This is for dwParam PP_CRYPT_COUNT_KEY_USE.
3693 * IE6 SP1 asks for it in the 'About' dialog.
3694 * Returning this BLOB seems to satisfy IE. The marked 0x00 seem
3695 * to be 'don't care's. If you know anything more specific about
3696 * this provider parameter, please report to wine-devel@winehq.org */
3697 static const BYTE abWTF[96] = {
3698 0xb0, 0x25, 0x63, 0x86, 0x9c, 0xab, 0xb6, 0x37,
3699 0xe8, 0x82, /**/0x00,/**/ 0x72, 0x06, 0xb2, /**/0x00,/**/ 0x3b,
3700 0x60, 0x35, /**/0x00,/**/ 0x3b, 0x88, 0xce, /**/0x00,/**/ 0x82,
3701 0xbc, 0x7a, /**/0x00,/**/ 0xb7, 0x4f, 0x7e, /**/0x00,/**/ 0xde,
3702 0x92, 0xf1, /**/0x00,/**/ 0x83, 0xea, 0x5e, /**/0x00,/**/ 0xc8,
3703 0x12, 0x1e, 0xd4, 0x06, 0xf7, 0x66, /**/0x00,/**/ 0x01,
3704 0x29, 0xa4, /**/0x00,/**/ 0xf8, 0x24, 0x0c, /**/0x00,/**/ 0x33,
3705 0x06, 0x80, /**/0x00,/**/ 0x02, 0x46, 0x0b, /**/0x00,/**/ 0x6d,
3706 0x5b, 0xca, /**/0x00,/**/ 0x9a, 0x10, 0xf0, /**/0x00,/**/ 0x05,
3707 0x19, 0xd0, /**/0x00,/**/ 0x2c, 0xf6, 0x27, /**/0x00,/**/ 0xaa,
3708 0x7c, 0x6f, /**/0x00,/**/ 0xb9, 0xd8, 0x72, /**/0x00,/**/ 0x03,
3709 0xf3, 0x81, /**/0x00,/**/ 0xfa, 0xe8, 0x26, /**/0x00,/**/ 0xca
3710 };
3711
3712 TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, pdwDataLen=%p, dwFlags=%08x)\n",
3713 hProv, dwParam, pbData, pdwDataLen, dwFlags);
3714
3715 if (!pdwDataLen) {
3716 SetLastError(ERROR_INVALID_PARAMETER);
3717 return FALSE;
3718 }
3719
3720 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
3721 (OBJECTHDR**)&pKeyContainer))
3722 {
3723 /* MSDN: hProv not containing valid context handle */
3724 SetLastError(NTE_BAD_UID);
3725 return FALSE;
3726 }
3727
3728 switch (dwParam)
3729 {
3730 case PP_CONTAINER:
3731 case PP_UNIQUE_CONTAINER:/* MSDN says we can return the same value as PP_CONTAINER */
3732 return copy_param(pbData, pdwDataLen, (const BYTE*)pKeyContainer->szName,
3733 strlen(pKeyContainer->szName)+1);
3734
3735 case PP_NAME:
3736 return copy_param(pbData, pdwDataLen, (const BYTE*)pKeyContainer->szProvName,
3737 strlen(pKeyContainer->szProvName)+1);
3738
3739 case PP_PROVTYPE:
3740 dwTemp = PROV_RSA_FULL;
3741 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3742
3743 case PP_KEYSPEC:
3744 dwTemp = AT_SIGNATURE | AT_KEYEXCHANGE;
3745 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3746
3747 case PP_KEYSET_TYPE:
3748 dwTemp = pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET;
3749 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3750
3751 case PP_KEYSTORAGE:
3752 dwTemp = CRYPT_SEC_DESCR;
3753 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3754
3755 case PP_SIG_KEYSIZE_INC:
3756 case PP_KEYX_KEYSIZE_INC:
3757 dwTemp = 8;
3758 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3759
3760 case PP_IMPTYPE:
3761 dwTemp = CRYPT_IMPL_SOFTWARE;
3762 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3763
3764 case PP_VERSION:
3765 dwTemp = 0x00000200;
3766 return copy_param(pbData, pdwDataLen, (const BYTE*)&dwTemp, sizeof(dwTemp));
3767
3768 case PP_ENUMCONTAINERS:
3769 if ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) pKeyContainer->dwEnumContainersCtr = 0;
3770
3771 if (!pbData) {
3772 *pdwDataLen = (DWORD)MAX_PATH + 1;
3773 return TRUE;
3774 }
3775
3776 if (!open_container_key("", dwFlags, KEY_READ, &hKey))
3777 {
3778 SetLastError(ERROR_NO_MORE_ITEMS);
3779 return FALSE;
3780 }
3781
3782 dwTemp = *pdwDataLen;
3783 switch (RegEnumKeyExA(hKey, pKeyContainer->dwEnumContainersCtr, (LPSTR)pbData, &dwTemp,
3784 NULL, NULL, NULL, NULL))
3785 {
3786 case ERROR_MORE_DATA:
3787 *pdwDataLen = (DWORD)MAX_PATH + 1;
3788
3789 case ERROR_SUCCESS:
3790 pKeyContainer->dwEnumContainersCtr++;
3791 RegCloseKey(hKey);
3792 return TRUE;
3793
3794 case ERROR_NO_MORE_ITEMS:
3795 default:
3796 SetLastError(ERROR_NO_MORE_ITEMS);
3797 RegCloseKey(hKey);
3798 return FALSE;
3799 }
3800
3801 case PP_ENUMALGS:
3802 case PP_ENUMALGS_EX:
3803 if (((pKeyContainer->dwEnumAlgsCtr >= RSAENH_MAX_ENUMALGS-1) ||
3804 (!aProvEnumAlgsEx[pKeyContainer->dwPersonality]
3805 [pKeyContainer->dwEnumAlgsCtr+1].aiAlgid)) &&
3806 ((dwFlags & CRYPT_FIRST) != CRYPT_FIRST))
3807 {
3808 SetLastError(ERROR_NO_MORE_ITEMS);
3809 return FALSE;
3810 }
3811
3812 if (dwParam == PP_ENUMALGS) {
3813 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS)))
3814 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3815 0 : pKeyContainer->dwEnumAlgsCtr+1;
3816
3817 provEnumalgs.aiAlgid = aProvEnumAlgsEx
3818 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].aiAlgid;
3819 provEnumalgs.dwBitLen = aProvEnumAlgsEx
3820 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwDefaultLen;
3821 provEnumalgs.dwNameLen = aProvEnumAlgsEx
3822 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].dwNameLen;
3823 memcpy(provEnumalgs.szName, aProvEnumAlgsEx
3824 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr].szName,
3825 20*sizeof(CHAR));
3826
3827 return copy_param(pbData, pdwDataLen, (const BYTE*)&provEnumalgs,
3828 sizeof(PROV_ENUMALGS));
3829 } else {
3830 if (pbData && (*pdwDataLen >= sizeof(PROV_ENUMALGS_EX)))
3831 pKeyContainer->dwEnumAlgsCtr = ((dwFlags & CRYPT_FIRST) == CRYPT_FIRST) ?
3832 0 : pKeyContainer->dwEnumAlgsCtr+1;
3833
3834 return copy_param(pbData, pdwDataLen,
3835 (const BYTE*)&aProvEnumAlgsEx
3836 [pKeyContainer->dwPersonality][pKeyContainer->dwEnumAlgsCtr],
3837 sizeof(PROV_ENUMALGS_EX));
3838 }
3839
3840 case PP_CRYPT_COUNT_KEY_USE: /* Asked for by IE About dialog */
3841 return copy_param(pbData, pdwDataLen, abWTF, sizeof(abWTF));
3842
3843 case PP_KEYSET_SEC_DESCR:
3844 {
3845 SECURITY_DESCRIPTOR *sd;
3846 DWORD err, len, flags = (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET);
3847
3848 if (!open_container_key(pKeyContainer->szName, flags, KEY_READ, &hKey))
3849 {
3850 SetLastError(NTE_BAD_KEYSET);
3851 return FALSE;
3852 }
3853
3854 err = GetSecurityInfo(hKey, SE_REGISTRY_KEY, dwFlags, NULL, NULL, NULL, NULL, (void **)&sd);
3855 RegCloseKey(hKey);
3856 if (err)
3857 {
3858 SetLastError(err);
3859 return FALSE;
3860 }
3861
3862 len = GetSecurityDescriptorLength(sd);
3863 if (*pdwDataLen >= len) memcpy(pbData, sd, len);
3864 else SetLastError(ERROR_INSUFFICIENT_BUFFER);
3865 *pdwDataLen = len;
3866
3867 LocalFree(sd);
3868 return TRUE;
3869 }
3870
3871 default:
3872 /* MSDN: Unknown parameter number in dwParam */
3873 SetLastError(NTE_BAD_TYPE);
3874 return FALSE;
3875 }
3876 }
3877
3878 /******************************************************************************
3879 * CPDeriveKey (RSAENH.@)
3880 *
3881 * Derives a key from a hash value.
3882 *
3883 * PARAMS
3884 * hProv [I] Key container for which a key is to be generated.
3885 * Algid [I] Crypto algorithm identifier for the key to be generated.
3886 * hBaseData [I] Hash from whose value the key will be derived.
3887 * dwFlags [I] See Notes.
3888 * phKey [O] The generated key.
3889 *
3890 * RETURNS
3891 * Success: TRUE
3892 * Failure: FALSE
3893 *
3894 * NOTES
3895 * Defined flags:
3896 * - CRYPT_EXPORTABLE: Key can be exported.
3897 * - CRYPT_NO_SALT: No salt is used for 40 bit keys.
3898 * - CRYPT_CREATE_SALT: Use remaining bits as salt value.
3899 */
3900 BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
3901 DWORD dwFlags, HCRYPTKEY *phKey)
3902 {
3903 CRYPTKEY *pCryptKey, *pMasterKey;
3904 CRYPTHASH *pCryptHash;
3905 BYTE abHashValue[RSAENH_MAX_HASH_SIZE*2];
3906 DWORD dwLen;
3907
3908 TRACE("(hProv=%08lx, Algid=%d, hBaseData=%08lx, dwFlags=%08x phKey=%p)\n", hProv, Algid,
3909 hBaseData, dwFlags, phKey);
3910
3911 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
3912 {
3913 SetLastError(NTE_BAD_UID);
3914 return FALSE;
3915 }
3916
3917 if (!lookup_handle(&handle_table, hBaseData, RSAENH_MAGIC_HASH,
3918 (OBJECTHDR**)&pCryptHash))
3919 {
3920 SetLastError(NTE_BAD_HASH);
3921 return FALSE;
3922 }
3923
3924 if (!phKey)
3925 {
3926 SetLastError(ERROR_INVALID_PARAMETER);
3927 return FALSE;
3928 }
3929
3930 switch (GET_ALG_CLASS(Algid))
3931 {
3932 case ALG_CLASS_DATA_ENCRYPT:
3933 *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
3934 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3935
3936 /*
3937 * We derive the key material from the hash.
3938 * If the hash value is not large enough for the claimed key, we have to construct
3939 * a larger binary value based on the hash. This is documented in MSDN: CryptDeriveKey.
3940 */
3941 dwLen = RSAENH_MAX_HASH_SIZE;
3942 RSAENH_CPGetHashParam(pCryptHash->hProv, hBaseData, HP_HASHVAL, abHashValue, &dwLen, 0);
3943
3944 if (dwLen < pCryptKey->dwKeyLen) {
3945 BYTE pad1[RSAENH_HMAC_DEF_PAD_LEN], pad2[RSAENH_HMAC_DEF_PAD_LEN];
3946 BYTE old_hashval[RSAENH_MAX_HASH_SIZE];
3947 DWORD i;
3948
3949 memcpy(old_hashval, pCryptHash->abHashValue, RSAENH_MAX_HASH_SIZE);
3950
3951 for (i=0; i<RSAENH_HMAC_DEF_PAD_LEN; i++) {
3952 pad1[i] = RSAENH_HMAC_DEF_IPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3953 pad2[i] = RSAENH_HMAC_DEF_OPAD_CHAR ^ (i<dwLen ? abHashValue[i] : 0);
3954 }
3955
3956 init_hash(pCryptHash);
3957 update_hash(pCryptHash, pad1, RSAENH_HMAC_DEF_PAD_LEN);
3958 finalize_hash(pCryptHash);
3959 memcpy(abHashValue, pCryptHash->abHashValue, pCryptHash->dwHashSize);
3960
3961 init_hash(pCryptHash);
3962 update_hash(pCryptHash, pad2, RSAENH_HMAC_DEF_PAD_LEN);
3963 finalize_hash(pCryptHash);
3964 memcpy(abHashValue+pCryptHash->dwHashSize, pCryptHash->abHashValue,
3965 pCryptHash->dwHashSize);
3966
3967 memcpy(pCryptHash->abHashValue, old_hashval, RSAENH_MAX_HASH_SIZE);
3968 }
3969
3970 memcpy(pCryptKey->abKeyValue, abHashValue,
3971 RSAENH_MIN(pCryptKey->dwKeyLen, sizeof(pCryptKey->abKeyValue)));
3972 break;
3973
3974 case ALG_CLASS_MSG_ENCRYPT:
3975 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
3976 (OBJECTHDR**)&pMasterKey))
3977 {
3978 SetLastError(NTE_FAIL); /* FIXME error code */
3979 return FALSE;
3980 }
3981
3982 switch (Algid)
3983 {
3984 /* See RFC 2246, chapter 6.3 Key calculation */
3985 case CALG_SCHANNEL_ENC_KEY:
3986 if (!pMasterKey->siSChannelInfo.saEncAlg.Algid ||
3987 !pMasterKey->siSChannelInfo.saEncAlg.cBits)
3988 {
3989 SetLastError(NTE_BAD_FLAGS);
3990 return FALSE;
3991 }
3992 *phKey = new_key(hProv, pMasterKey->siSChannelInfo.saEncAlg.Algid,
3993 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saEncAlg.cBits),
3994 &pCryptKey);
3995 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
3996 memcpy(pCryptKey->abKeyValue,
3997 pCryptHash->abHashValue + (
3998 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
3999 ((dwFlags & CRYPT_SERVER) ?
4000 (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) : 0)),
4001 pMasterKey->siSChannelInfo.saEncAlg.cBits / 8);
4002 memcpy(pCryptKey->abInitVector,
4003 pCryptHash->abHashValue + (
4004 2 * (pMasterKey->siSChannelInfo.saMACAlg.cBits / 8) +
4005 2 * (pMasterKey->siSChannelInfo.saEncAlg.cBits / 8) +
4006 ((dwFlags & CRYPT_SERVER) ? pCryptKey->dwBlockLen : 0)),
4007 pCryptKey->dwBlockLen);
4008 break;
4009
4010 case CALG_SCHANNEL_MAC_KEY:
4011 *phKey = new_key(hProv, Algid,
4012 MAKELONG(LOWORD(dwFlags),pMasterKey->siSChannelInfo.saMACAlg.cBits),
4013 &pCryptKey);
4014 if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
4015 memcpy(pCryptKey->abKeyValue,
4016 pCryptHash->abHashValue + ((dwFlags & CRYPT_SERVER) ?
4017 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8 : 0),
4018 pMasterKey->siSChannelInfo.saMACAlg.cBits / 8);
4019 break;
4020
4021 default:
4022 SetLastError(NTE_BAD_ALGID);
4023 return FALSE;
4024 }
4025 break;
4026
4027 default:
4028 SetLastError(NTE_BAD_ALGID);
4029 return FALSE;
4030 }
4031
4032 setup_key(pCryptKey);
4033 return TRUE;
4034 }
4035
4036 /******************************************************************************
4037 * CPGetUserKey (RSAENH.@)
4038 *
4039 * Returns a handle to the user's private key-exchange- or signature-key.
4040 *
4041 * PARAMS
4042 * hProv [I] The key container from which a user key is requested.
4043 * dwKeySpec [I] AT_KEYEXCHANGE or AT_SIGNATURE
4044 * phUserKey [O] Handle to the requested key or INVALID_HANDLE_VALUE in case of failure.
4045 *
4046 * RETURNS
4047 * Success: TRUE.
4048 * Failure: FALSE.
4049 *
4050 * NOTE
4051 * A newly created key container does not contain private user key. Create them with CPGenKey.
4052 */
4053 BOOL WINAPI RSAENH_CPGetUserKey(HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
4054 {
4055 KEYCONTAINER *pKeyContainer;
4056
4057 TRACE("(hProv=%08lx, dwKeySpec=%08x, phUserKey=%p)\n", hProv, dwKeySpec, phUserKey);
4058
4059 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
4060 (OBJECTHDR**)&pKeyContainer))
4061 {
4062 /* MSDN: hProv not containing valid context handle */
4063 SetLastError(NTE_BAD_UID);
4064 return FALSE;
4065 }
4066
4067 switch (dwKeySpec)
4068 {
4069 case AT_KEYEXCHANGE:
4070 copy_handle(&handle_table, pKeyContainer->hKeyExchangeKeyPair, RSAENH_MAGIC_KEY,
4071 phUserKey);
4072 break;
4073
4074 case AT_SIGNATURE:
4075 copy_handle(&handle_table, pKeyContainer->hSignatureKeyPair, RSAENH_MAGIC_KEY,
4076 phUserKey);
4077 break;
4078
4079 default:
4080 *phUserKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
4081 }
4082
4083 if (*phUserKey == (HCRYPTKEY)INVALID_HANDLE_VALUE)
4084 {
4085 /* MSDN: dwKeySpec parameter specifies nonexistent key */
4086 SetLastError(NTE_NO_KEY);
4087 return FALSE;
4088 }
4089
4090 return TRUE;
4091 }
4092
4093 /******************************************************************************
4094 * CPHashData (RSAENH.@)
4095 *
4096 * Updates a hash object with the given data.
4097 *
4098 * PARAMS
4099 * hProv [I] Key container to which the hash object belongs.
4100 * hHash [I] Hash object which is to be updated.
4101 * pbData [I] Pointer to data with which the hash object is to be updated.
4102 * dwDataLen [I] Length of the data.
4103 * dwFlags [I] Currently none defined.
4104 *
4105 * RETURNS
4106 * Success: TRUE.
4107 * Failure: FALSE.
4108 *
4109 * NOTES
4110 * The actual hash value is queried with CPGetHashParam, which will finalize
4111 * the hash. Updating a finalized hash will fail with a last error NTE_BAD_HASH_STATE.
4112 */
4113 BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, const BYTE *pbData,
4114 DWORD dwDataLen, DWORD dwFlags)
4115 {
4116 CRYPTHASH *pCryptHash;
4117
4118 TRACE("(hProv=%08lx, hHash=%08lx, pbData=%p, dwDataLen=%d, dwFlags=%08x)\n",
4119 hProv, hHash, pbData, dwDataLen, dwFlags);
4120
4121 if (dwFlags & ~CRYPT_USERDATA)
4122 {
4123 SetLastError(NTE_BAD_FLAGS);
4124 return FALSE;
4125 }
4126
4127 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
4128 (OBJECTHDR**)&pCryptHash))
4129 {
4130 SetLastError(NTE_BAD_HASH);
4131 return FALSE;
4132 }
4133
4134 if (!get_algid_info(hProv, pCryptHash->aiAlgid) || pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
4135 {
4136 SetLastError(NTE_BAD_ALGID);
4137 return FALSE;
4138 }
4139
4140 if (pCryptHash->dwState != RSAENH_HASHSTATE_HASHING)
4141 {
4142 SetLastError(NTE_BAD_HASH_STATE);
4143 return FALSE;
4144 }
4145
4146 update_hash(pCryptHash, pbData, dwDataLen);
4147 return TRUE;
4148 }
4149
4150 /******************************************************************************
4151 * CPHashSessionKey (RSAENH.@)
4152 *
4153 * Updates a hash object with the binary representation of a symmetric key.
4154 *
4155 * PARAMS
4156 * hProv [I] Key container to which the hash object belongs.
4157 * hHash [I] Hash object which is to be updated.
4158 * hKey [I] The symmetric key, whose binary value will be added to the hash.
4159 * dwFlags [I] CRYPT_LITTLE_ENDIAN, if the binary key value shall be interpreted as little endian.
4160 *
4161 * RETURNS
4162 * Success: TRUE.
4163 * Failure: FALSE.
4164 */
4165 BOOL WINAPI RSAENH_CPHashSessionKey(HCRYPTPROV hProv, HCRYPTHASH hHash, HCRYPTKEY hKey,
4166 DWORD dwFlags)
4167 {
4168 BYTE abKeyValue[RSAENH_MAX_KEY_SIZE], bTemp;
4169 CRYPTKEY *pKey;
4170 DWORD i;
4171
4172 TRACE("(hProv=%08lx, hHash=%08lx, hKey=%08lx, dwFlags=%08x)\n", hProv, hHash, hKey, dwFlags);
4173
4174 if (!lookup_handle(&handle_table, hKey, RSAENH_MAGIC_KEY, (OBJECTHDR**)&pKey) ||
4175 (GET_ALG_CLASS(pKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT))
4176 {
4177 SetLastError(NTE_BAD_KEY);
4178 return FALSE;
4179 }
4180
4181 if (dwFlags & ~CRYPT_LITTLE_ENDIAN) {
4182 SetLastError(NTE_BAD_FLAGS);
4183 return FALSE;
4184 }
4185
4186 memcpy(abKeyValue, pKey->abKeyValue, pKey->dwKeyLen);
4187 if (!(dwFlags & CRYPT_LITTLE_ENDIAN)) {
4188 for (i=0; i<pKey->dwKeyLen/2; i++) {
4189 bTemp = abKeyValue[i];
4190 abKeyValue[i] = abKeyValue[pKey->dwKeyLen-i-1];
4191 abKeyValue[pKey->dwKeyLen-i-1] = bTemp;
4192 }
4193 }
4194
4195 return RSAENH_CPHashData(hProv, hHash, abKeyValue, pKey->dwKeyLen, 0);
4196 }
4197
4198 /******************************************************************************
4199 * CPReleaseContext (RSAENH.@)
4200 *
4201 * Release a key container.
4202 *
4203 * PARAMS
4204 * hProv [I] Key container to be released.
4205 * dwFlags [I] Currently none defined.
4206 *
4207 * RETURNS
4208 * Success: TRUE
4209 * Failure: FALSE
4210 */
4211 BOOL WINAPI RSAENH_CPReleaseContext(HCRYPTPROV hProv, DWORD dwFlags)
4212 {
4213 TRACE("(hProv=%08lx, dwFlags=%08x)\n", hProv, dwFlags);
4214
4215 if (!release_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4216 {
4217 /* MSDN: hProv not containing valid context handle */
4218 SetLastError(NTE_BAD_UID);
4219 return FALSE;
4220 }
4221
4222 if (dwFlags) {
4223 SetLastError(NTE_BAD_FLAGS);
4224 return FALSE;
4225 }
4226
4227 return TRUE;
4228 }
4229
4230 /******************************************************************************
4231 * CPSetHashParam (RSAENH.@)
4232 *
4233 * Set a parameter of a hash object
4234 *
4235 * PARAMS
4236 * hProv [I] The key container to which the key belongs.
4237 * hHash [I] The hash object for which a parameter is to be set.
4238 * dwParam [I] Parameter type. See Notes.
4239 * pbData [I] Pointer to the parameter value.
4240 * dwFlags [I] Currently none defined.
4241 *
4242 * RETURNS
4243 * Success: TRUE.
4244 * Failure: FALSE.
4245 *
4246 * NOTES
4247 * Currently only the HP_HMAC_INFO dwParam type is defined.
4248 * The HMAC_INFO struct will be deep copied into the hash object.
4249 * See Internet RFC 2104 for details on the HMAC algorithm.
4250 */
4251 BOOL WINAPI RSAENH_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam,
4252 BYTE *pbData, DWORD dwFlags)
4253 {
4254 CRYPTHASH *pCryptHash;
4255 CRYPTKEY *pCryptKey;
4256 DWORD i;
4257
4258 TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n",
4259 hProv, hHash, dwParam, pbData, dwFlags);
4260
4261 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4262 {
4263 SetLastError(NTE_BAD_UID);
4264 return FALSE;
4265 }
4266
4267 if (dwFlags) {
4268 SetLastError(NTE_BAD_FLAGS);
4269 return FALSE;
4270 }
4271
4272 if (!lookup_handle(&handle_table, hHash, RSAENH_MAGIC_HASH,
4273 (OBJECTHDR**)&pCryptHash))
4274 {
4275 SetLastError(NTE_BAD_HASH);
4276 return FALSE;
4277 }
4278
4279 switch (dwParam) {
4280 case HP_HMAC_INFO:
4281 free_hmac_info(pCryptHash->pHMACInfo);
4282 if (!copy_hmac_info(&pCryptHash->pHMACInfo, (PHMAC_INFO)pbData)) return FALSE;
4283
4284 if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
4285 (OBJECTHDR**)&pCryptKey))
4286 {
4287 SetLastError(NTE_FAIL); /* FIXME: correct error code? */
4288 return FALSE;
4289 }
4290
4291 if (pCryptKey->aiAlgid == CALG_HMAC && !pCryptKey->dwKeyLen) {
4292 HCRYPTHASH hKeyHash;
4293 DWORD keyLen;
4294
4295 if (!RSAENH_CPCreateHash(hProv, ((PHMAC_INFO)pbData)->HashAlgid, 0, 0,
4296 &hKeyHash))
4297 return FALSE;
4298 if (!RSAENH_CPHashData(hProv, hKeyHash, pCryptKey->blobHmacKey.pbData,
4299 pCryptKey->blobHmacKey.cbData, 0))
4300 {
4301 RSAENH_CPDestroyHash(hProv, hKeyHash);
4302 return FALSE;
4303 }
4304 keyLen = sizeof(pCryptKey->abKeyValue);
4305 if (!RSAENH_CPGetHashParam(hProv, hKeyHash, HP_HASHVAL, pCryptKey->abKeyValue,
4306 &keyLen, 0))
4307 {
4308 RSAENH_CPDestroyHash(hProv, hKeyHash);
4309 return FALSE;
4310 }
4311 pCryptKey->dwKeyLen = keyLen;
4312 RSAENH_CPDestroyHash(hProv, hKeyHash);
4313 }
4314 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbInnerString); i++) {
4315 pCryptHash->pHMACInfo->pbInnerString[i] ^= pCryptKey->abKeyValue[i];
4316 }
4317 for (i=0; i<RSAENH_MIN(pCryptKey->dwKeyLen,pCryptHash->pHMACInfo->cbOuterString); i++) {
4318 pCryptHash->pHMACInfo->pbOuterString[i] ^= pCryptKey->abKeyValue[i];
4319 }
4320
4321 init_hash(pCryptHash);
4322 return TRUE;
4323
4324 case HP_HASHVAL:
4325 memcpy(pCryptHash->abHashValue, pbData, pCryptHash->dwHashSize);
4326 pCryptHash->dwState = RSAENH_HASHSTATE_FINISHED;
4327 return TRUE;
4328
4329 case HP_TLS1PRF_SEED:
4330 return copy_data_blob(&pCryptHash->tpPRFParams.blobSeed, (PCRYPT_DATA_BLOB)pbData);
4331
4332 case HP_TLS1PRF_LABEL:
4333 return copy_data_blob(&pCryptHash->tpPRFParams.blobLabel, (PCRYPT_DATA_BLOB)pbData);
4334
4335 default:
4336 SetLastError(NTE_BAD_TYPE);
4337 return FALSE;
4338 }
4339 }
4340
4341 /******************************************************************************
4342 * CPSetProvParam (RSAENH.@)
4343 */
4344 BOOL WINAPI RSAENH_CPSetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
4345 {
4346 KEYCONTAINER *pKeyContainer;
4347 HKEY hKey;
4348
4349 TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, dwParam, pbData, dwFlags);
4350
4351 if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR **)&pKeyContainer))
4352 {
4353 SetLastError(NTE_BAD_UID);
4354 return FALSE;
4355 }
4356
4357 switch (dwParam)
4358 {
4359 case PP_KEYSET_SEC_DESCR:
4360 {
4361 SECURITY_DESCRIPTOR *sd = (SECURITY_DESCRIPTOR *)pbData;
4362 DWORD err, flags = (pKeyContainer->dwFlags & CRYPT_MACHINE_KEYSET);
4363 BOOL def, present;
4364 REGSAM access = WRITE_DAC | WRITE_OWNER | ACCESS_SYSTEM_SECURITY;
4365 PSID owner = NULL, group = NULL;
4366 PACL dacl = NULL, sacl = NULL;
4367
4368 if (!open_container_key(pKeyContainer->szName, flags, access, &hKey))
4369 {
4370 SetLastError(NTE_BAD_KEYSET);
4371 return FALSE;
4372 }
4373
4374 if ((dwFlags & OWNER_SECURITY_INFORMATION && !GetSecurityDescriptorOwner(sd, &owner, &def)) ||
4375 (dwFlags & GROUP_SECURITY_INFORMATION && !GetSecurityDescriptorGroup(sd, &group, &def)) ||
4376 (dwFlags & DACL_SECURITY_INFORMATION && !GetSecurityDescriptorDacl(sd, &present, &dacl, &def)) ||
4377 (dwFlags & SACL_SECURITY_INFORMATION && !GetSecurityDescriptorSacl(sd, &present, &sacl, &def)))
4378 {
4379 RegCloseKey(hKey);
4380 return FALSE;
4381 }
4382
4383 err = SetSecurityInfo(hKey, SE_REGISTRY_KEY, dwFlags, owner, group, dacl, sacl);
4384 RegCloseKey(hKey);
4385 if (err)
4386 {
4387 SetLastError(err);
4388 return FALSE;
4389 }
4390 return TRUE;
4391 }
4392 default:
4393 FIXME("unimplemented parameter %08x\n", dwParam);
4394 return FALSE;
4395 }
4396 }
4397
4398 /******************************************************************************
4399 * CPSignHash (RSAENH.@)
4400 *
4401 * Sign a hash object
4402 *
4403 * PARAMS
4404 * hProv [I] The key container, to which the hash object belongs.
4405 * hHash [I] The hash object to be signed.
4406 * dwKeySpec [I] AT_SIGNATURE or AT_KEYEXCHANGE: Key used to generate the signature.
4407 * sDescription [I] Should be NULL for security reasons.
4408 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
4409 * pbSignature [O] Buffer, to which the signature will be stored. May be NULL to query SigLen.
4410 * pdwSigLen [I/O] Size of the buffer (in), Length of the signature (out)
4411 *
4412 * RETURNS
4413 * Success: TRUE
4414 * Failure: FALSE
4415 */
4416 BOOL WINAPI RSAENH_CPSignHash(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwKeySpec,
4417 LPCWSTR sDescription, DWORD dwFlags, BYTE *pbSignature,
4418 DWORD *pdwSigLen)
4419 {
4420 HCRYPTKEY hCryptKey = (HCRYPTKEY)INVALID_HANDLE_VALUE;
4421 CRYPTKEY *pCryptKey;
4422 DWORD dwHashLen;
4423 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
4424 ALG_ID aiAlgid;
4425 BOOL ret = FALSE;
4426
4427 TRACE("(hProv=%08lx, hHash=%08lx, dwKeySpec=%08x, sDescription=%s, dwFlags=%08x, "
4428 "pbSignature=%p, pdwSigLen=%p)\n", hProv, hHash, dwKeySpec, debugstr_w(sDescription),
4429 dwFlags, pbSignature, pdwSigLen);
4430
4431 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
4432 SetLastError(NTE_BAD_FLAGS);
4433 return FALSE;
4434 }
4435
4436 if (!RSAENH_CPGetUserKey(hProv, dwKeySpec, &hCryptKey)) return FALSE;
4437
4438 if (!lookup_handle(&handle_table, hCryptKey, RSAENH_MAGIC_KEY,
4439 (OBJECTHDR**)&pCryptKey))
4440 {
4441 SetLastError(NTE_NO_KEY);
4442 goto out;
4443 }
4444
4445 if (!pbSignature) {
4446 *pdwSigLen = pCryptKey->dwKeyLen;
4447 ret = TRUE;
4448 goto out;
4449 }
4450 if (pCryptKey->dwKeyLen > *pdwSigLen)
4451 {
4452 SetLastError(ERROR_MORE_DATA);
4453 *pdwSigLen = pCryptKey->dwKeyLen;
4454 goto out;
4455 }
4456 *pdwSigLen = pCryptKey->dwKeyLen;
4457
4458 if (sDescription) {
4459 if (!RSAENH_CPHashData(hProv, hHash, (const BYTE*)sDescription,
4460 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
4461 {
4462 goto out;
4463 }
4464 }
4465
4466 dwHashLen = sizeof(DWORD);
4467 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) goto out;
4468
4469 dwHashLen = RSAENH_MAX_HASH_SIZE;
4470 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) goto out;
4471
4472
4473 if (!build_hash_signature(pbSignature, *pdwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags)) {
4474 goto out;
4475 }
4476
4477 ret = encrypt_block_impl(pCryptKey->aiAlgid, PK_PRIVATE, &pCryptKey->context, pbSignature, pbSignature, RSAENH_ENCRYPT);
4478 out:
4479 RSAENH_CPDestroyKey(hProv, hCryptKey);
4480 return ret;
4481 }
4482
4483 /******************************************************************************
4484 * CPVerifySignature (RSAENH.@)
4485 *
4486 * Verify the signature of a hash object.
4487 *
4488 * PARAMS
4489 * hProv [I] The key container, to which the hash belongs.
4490 * hHash [I] The hash for which the signature is verified.
4491 * pbSignature [I] The binary signature.
4492 * dwSigLen [I] Length of the signature BLOB.
4493 * hPubKey [I] Public key used to verify the signature.
4494 * sDescription [I] Should be NULL for security reasons.
4495 * dwFlags [I] 0, CRYPT_NOHASHOID or CRYPT_X931_FORMAT: Format of the signature.
4496 *
4497 * RETURNS
4498 * Success: TRUE (Signature is valid)
4499 * Failure: FALSE (GetLastError() == NTE_BAD_SIGNATURE, if signature is invalid)
4500 */
4501 BOOL WINAPI RSAENH_CPVerifySignature(HCRYPTPROV hProv, HCRYPTHASH hHash, const BYTE *pbSignature,
4502 DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription,
4503 DWORD dwFlags)
4504 {
4505 BYTE *pbConstructed = NULL, *pbDecrypted = NULL;
4506 CRYPTKEY *pCryptKey;
4507 DWORD dwHashLen;
4508 ALG_ID aiAlgid;
4509 BYTE abHashValue[RSAENH_MAX_HASH_SIZE];
4510 BOOL res = FALSE;
4511
4512 TRACE("(hProv=%08lx, hHash=%08lx, pbSignature=%p, dwSigLen=%d, hPubKey=%08lx, sDescription=%s, "
4513 "dwFlags=%08x)\n", hProv, hHash, pbSignature, dwSigLen, hPubKey, debugstr_w(sDescription),
4514 dwFlags);
4515
4516 if (dwFlags & ~(CRYPT_NOHASHOID|CRYPT_X931_FORMAT)) {
4517 SetLastError(NTE_BAD_FLAGS);
4518 return FALSE;
4519 }
4520
4521 if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
4522 {
4523 SetLastError(NTE_BAD_UID);
4524 return FALSE;
4525 }
4526
4527 if (!lookup_handle(&handle_table, hPubKey, RSAENH_MAGIC_KEY,
4528 (OBJECTHDR**)&pCryptKey))
4529 {
4530 SetLastError(NTE_BAD_KEY);
4531 return FALSE;
4532 }
4533
4534 /* in Microsoft implementation, the signature length is checked before
4535 * the signature pointer.
4536 */
4537 if (dwSigLen != pCryptKey->dwKeyLen)
4538 {
4539 SetLastError(NTE_BAD_SIGNATURE);
4540 return FALSE;
4541 }
4542
4543 if (!hHash || !pbSignature)
4544 {
4545 SetLastError(ERROR_INVALID_PARAMETER);
4546 return FALSE;
4547 }
4548
4549 if (sDescription) {
4550 if (!RSAENH_CPHashData(hProv, hHash, (const BYTE*)sDescription,
4551 (DWORD)lstrlenW(sDescription)*sizeof(WCHAR), 0))
4552 {
4553 return FALSE;
4554 }
4555 }
4556
4557 dwHashLen = sizeof(DWORD);
4558 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_ALGID, (BYTE*)&aiAlgid, &dwHashLen, 0)) return FALSE;
4559
4560 dwHashLen = RSAENH_MAX_HASH_SIZE;
4561 if (!RSAENH_CPGetHashParam(hProv, hHash, HP_HASHVAL, abHashValue, &dwHashLen, 0)) return FALSE;
4562
4563 pbConstructed = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
4564 if (!pbConstructed) {
4565 SetLastError(NTE_NO_MEMORY);
4566 goto cleanup;
4567 }
4568
4569 pbDecrypted = HeapAlloc(GetProcessHeap(), 0, dwSigLen);
4570 if (!pbDecrypted) {
4571 SetLastError(NTE_NO_MEMORY);
4572 goto cleanup;
4573 }
4574
4575 if (!encrypt_block_impl(pCryptKey->aiAlgid, PK_PUBLIC, &pCryptKey->context, pbSignature, pbDecrypted,
4576 RSAENH_DECRYPT))
4577 {
4578 goto cleanup;
4579 }
4580
4581 if (build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags) &&
4582 !memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
4583 res = TRUE;
4584 goto cleanup;
4585 }
4586
4587 if (!(dwFlags & CRYPT_NOHASHOID) &&
4588 build_hash_signature(pbConstructed, dwSigLen, aiAlgid, abHashValue, dwHashLen, dwFlags|CRYPT_NOHASHOID) &&
4589 !memcmp(pbDecrypted, pbConstructed, dwSigLen)) {
4590 res = TRUE;
4591 goto cleanup;
4592 }
4593
4594 SetLastError(NTE_BAD_SIGNATURE);
4595
4596 cleanup:
4597 HeapFree(GetProcessHeap(), 0, pbConstructed);
4598 HeapFree(GetProcessHeap(), 0, pbDecrypted);
4599 return res;
4600 }
4601
4602 /******************************************************************************
4603 * DllRegisterServer (RSAENH.@)
4604 */
4605 HRESULT WINAPI DllRegisterServer(void)
4606 {
4607 return __wine_register_resources( instance );
4608 }
4609
4610 /******************************************************************************
4611 * DllUnregisterServer (RSAENH.@)
4612 */
4613 HRESULT WINAPI DllUnregisterServer(void)
4614 {
4615 return __wine_unregister_resources( instance );
4616 }
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