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[wine.git] / dlls / bcrypt / bcrypt_main.c
blobebfcbfb7049aaf0edb4cd74b3996b298df1e2808
1 /*
2 * Copyright 2009 Henri Verbeet for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 *
18 */
19
20 #include <stdarg.h>
21 #include <stdlib.h>
22
23 #include "ntstatus.h"
24 #define WIN32_NO_STATUS
25 #include "windef.h"
26 #include "winbase.h"
27 #include "ntsecapi.h"
28 #include "wincrypt.h"
29 #include "winternl.h"
30 #include "bcrypt.h"
31
32 #include "wine/debug.h"
33 #include "bcrypt_internal.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
36
37 #define UNIX_CALL( func, params ) WINE_UNIX_CALL( unix_ ## func, params )
38
39
40 NTSTATUS WINAPI BCryptAddContextFunction( ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func, ULONG pos )
41 {
42 FIXME( "%#lx, %s, %#lx, %s, %lu: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func), pos );
43 return STATUS_SUCCESS;
44 }
45
46 NTSTATUS WINAPI BCryptAddContextFunctionProvider( ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func,
47 const WCHAR *provider, ULONG pos )
48 {
49 FIXME( "%#lx, %s, %#lx, %s, %s, %lu: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func),
50 debugstr_w(provider), pos );
51 return STATUS_SUCCESS;
52 }
53
54 NTSTATUS WINAPI BCryptRemoveContextFunction( ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func )
55 {
56 FIXME( "%#lx, %s, %#lx, %s: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func) );
57 return STATUS_NOT_IMPLEMENTED;
58 }
59
60 NTSTATUS WINAPI BCryptRemoveContextFunctionProvider( ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func,
61 const WCHAR *provider )
62 {
63 FIXME( "%#lx, %s, %#lx, %s, %s: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func), debugstr_w(provider) );
64 return STATUS_NOT_IMPLEMENTED;
65 }
66
67 NTSTATUS WINAPI BCryptEnumContextFunctions( ULONG table, const WCHAR *ctx, ULONG iface, ULONG *buflen,
68 CRYPT_CONTEXT_FUNCTIONS **buffer )
69 {
70 FIXME( "%#lx, %s, %#lx, %p, %p\n", table, debugstr_w(ctx), iface, buflen, buffer );
71 return STATUS_NOT_IMPLEMENTED;
72 }
73
74 void WINAPI BCryptFreeBuffer( void *buffer )
75 {
76 free( buffer );
77 }
78
79 NTSTATUS WINAPI BCryptRegisterProvider( const WCHAR *provider, ULONG flags, CRYPT_PROVIDER_REG *reg )
80 {
81 FIXME( "%s, %#lx, %p: stub\n", debugstr_w(provider), flags, reg );
82 return STATUS_SUCCESS;
83 }
84
85 NTSTATUS WINAPI BCryptUnregisterProvider( const WCHAR *provider )
86 {
87 FIXME( "%s: stub\n", debugstr_w(provider) );
88 return STATUS_NOT_IMPLEMENTED;
89 }
90
91 #define MAX_HASH_OUTPUT_BYTES 64
92 #define MAX_HASH_BLOCK_BITS 1024
93
94 /* ordered by class, keep in sync with enum alg_id */
95 static const struct
96 {
97 const WCHAR *name;
98 ULONG class;
99 ULONG object_length;
100 ULONG hash_length;
101 ULONG block_bits;
102 }
103 builtin_algorithms[] =
104 {
105 { BCRYPT_3DES_ALGORITHM, BCRYPT_CIPHER_INTERFACE, 522, 0, 0 },
106 { BCRYPT_AES_ALGORITHM, BCRYPT_CIPHER_INTERFACE, 654, 0, 0 },
107 { BCRYPT_RC4_ALGORITHM, BCRYPT_CIPHER_INTERFACE, 654, 0, 0 },
108 { BCRYPT_SHA256_ALGORITHM, BCRYPT_HASH_INTERFACE, 286, 32, 512 },
109 { BCRYPT_SHA384_ALGORITHM, BCRYPT_HASH_INTERFACE, 382, 48, 1024 },
110 { BCRYPT_SHA512_ALGORITHM, BCRYPT_HASH_INTERFACE, 382, 64, 1024 },
111 { BCRYPT_SHA1_ALGORITHM, BCRYPT_HASH_INTERFACE, 278, 20, 512 },
112 { BCRYPT_MD5_ALGORITHM, BCRYPT_HASH_INTERFACE, 274, 16, 512 },
113 { BCRYPT_MD4_ALGORITHM, BCRYPT_HASH_INTERFACE, 270, 16, 512 },
114 { BCRYPT_MD2_ALGORITHM, BCRYPT_HASH_INTERFACE, 270, 16, 128 },
115 { BCRYPT_RSA_ALGORITHM, BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE, 0, 0, 0 },
116 { BCRYPT_ECDH_P256_ALGORITHM, BCRYPT_SECRET_AGREEMENT_INTERFACE, 0, 0, 0 },
117 { BCRYPT_ECDH_P384_ALGORITHM, BCRYPT_SECRET_AGREEMENT_INTERFACE, 0, 0, 0 },
118 { BCRYPT_RSA_SIGN_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
119 { BCRYPT_ECDSA_P256_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
120 { BCRYPT_ECDSA_P384_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
121 { BCRYPT_DSA_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
122 { BCRYPT_RNG_ALGORITHM, BCRYPT_RNG_INTERFACE, 0, 0, 0 },
123 };
124
125 static inline BOOL is_symmetric_key( const struct key *key )
126 {
127 return builtin_algorithms[key->alg_id].class == BCRYPT_CIPHER_INTERFACE;
128 }
129
130 static inline BOOL is_asymmetric_encryption_key( struct key *key )
131 {
132 return builtin_algorithms[key->alg_id].class == BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE;
133 }
134
135 static inline BOOL is_agreement_key( struct key *key )
136 {
137 return builtin_algorithms[key->alg_id].class == BCRYPT_SECRET_AGREEMENT_INTERFACE;
138 }
139
140 static inline BOOL is_signature_key( struct key *key )
141 {
142 return builtin_algorithms[key->alg_id].class == BCRYPT_SIGNATURE_INTERFACE || key->alg_id == ALG_ID_RSA;
143 }
144
145 static BOOL match_operation_type( ULONG type, ULONG class )
146 {
147 if (!type) return TRUE;
148 switch (class)
149 {
150 case BCRYPT_CIPHER_INTERFACE: return type & BCRYPT_CIPHER_OPERATION;
151 case BCRYPT_HASH_INTERFACE: return type & BCRYPT_HASH_OPERATION;
152 case BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE: return type & BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION;
153 case BCRYPT_SECRET_AGREEMENT_INTERFACE: return type & BCRYPT_SECRET_AGREEMENT_OPERATION;
154 case BCRYPT_SIGNATURE_INTERFACE: return type & BCRYPT_SIGNATURE_OPERATION;
155 case BCRYPT_RNG_INTERFACE: return type & BCRYPT_RNG_OPERATION;
156 default: break;
157 }
158 return FALSE;
159 }
160
161 NTSTATUS WINAPI BCryptEnumAlgorithms( ULONG type, ULONG *ret_count, BCRYPT_ALGORITHM_IDENTIFIER **ret_list, ULONG flags )
162 {
163 static const ULONG supported = BCRYPT_CIPHER_OPERATION |\
164 BCRYPT_HASH_OPERATION |\
165 BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION |\
166 BCRYPT_SECRET_AGREEMENT_OPERATION |\
167 BCRYPT_SIGNATURE_OPERATION |\
168 BCRYPT_RNG_OPERATION;
169 BCRYPT_ALGORITHM_IDENTIFIER *list;
170 ULONG i, j, count = 0;
171
172 TRACE( "%#lx, %p, %p, %#lx\n", type, ret_count, ret_list, flags );
173
174 if (!ret_count || !ret_list || (type & ~supported)) return STATUS_INVALID_PARAMETER;
175
176 for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
177 {
178 if (match_operation_type( type, builtin_algorithms[i].class )) count++;
179 }
180
181 if (!(list = malloc( count * sizeof(*list) ))) return STATUS_NO_MEMORY;
182
183 for (i = 0, j = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
184 {
185 if (!match_operation_type( type, builtin_algorithms[i].class )) continue;
186 list[j].pszName = (WCHAR *)builtin_algorithms[i].name;
187 list[j].dwClass = builtin_algorithms[i].class;
188 list[j].dwFlags = 0;
189 j++;
190 }
191
192 *ret_count = count;
193 *ret_list = list;
194 return STATUS_SUCCESS;
195 }
196
197 static const struct algorithm pseudo_algorithms[] =
198 {
199 {{ MAGIC_ALG }, ALG_ID_MD2 },
200 {{ MAGIC_ALG }, ALG_ID_MD4 },
201 {{ MAGIC_ALG }, ALG_ID_MD5 },
202 {{ MAGIC_ALG }, ALG_ID_SHA1 },
203 {{ MAGIC_ALG }, ALG_ID_SHA256 },
204 {{ MAGIC_ALG }, ALG_ID_SHA384 },
205 {{ MAGIC_ALG }, ALG_ID_SHA512 },
206 {{ MAGIC_ALG }, ALG_ID_RC4 },
207 {{ MAGIC_ALG }, ALG_ID_RNG },
208 {{ MAGIC_ALG }, ALG_ID_MD5, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
209 {{ MAGIC_ALG }, ALG_ID_SHA1, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
210 {{ MAGIC_ALG }, ALG_ID_SHA256, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
211 {{ MAGIC_ALG }, ALG_ID_SHA384, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
212 {{ MAGIC_ALG }, ALG_ID_SHA512, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
213 {{ MAGIC_ALG }, ALG_ID_RSA },
214 {{ 0 }}, /* ECDSA */
215 {{ 0 }}, /* AES_CMAC */
216 {{ 0 }}, /* AES_GMAC */
217 {{ MAGIC_ALG }, ALG_ID_MD2, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
218 {{ MAGIC_ALG }, ALG_ID_MD4, 0, BCRYPT_ALG_HANDLE_HMAC_FLAG },
219 {{ MAGIC_ALG }, ALG_ID_3DES, CHAIN_MODE_CBC },
220 {{ MAGIC_ALG }, ALG_ID_3DES, CHAIN_MODE_ECB },
221 {{ MAGIC_ALG }, ALG_ID_3DES, CHAIN_MODE_CFB },
222 {{ 0 }}, /* 3DES_112_CBC */
223 {{ 0 }}, /* 3DES_112_ECB */
224 {{ 0 }}, /* 3DES_112_CFB */
225 {{ MAGIC_ALG }, ALG_ID_AES, CHAIN_MODE_CBC },
226 {{ MAGIC_ALG }, ALG_ID_AES, CHAIN_MODE_ECB },
227 {{ MAGIC_ALG }, ALG_ID_AES, CHAIN_MODE_CFB },
228 {{ MAGIC_ALG }, ALG_ID_AES, CHAIN_MODE_CCM },
229 {{ MAGIC_ALG }, ALG_ID_AES, CHAIN_MODE_GCM },
230 {{ 0 }}, /* DES_CBC */
231 {{ 0 }}, /* DES_ECB */
232 {{ 0 }}, /* DES_CFB */
233 {{ 0 }}, /* DESX_CBC */
234 {{ 0 }}, /* DESX_ECB */
235 {{ 0 }}, /* DESX_CFB */
236 {{ 0 }}, /* RC2_CBC */
237 {{ 0 }}, /* RC2_ECB */
238 {{ 0 }}, /* RC2_CFB */
239 {{ 0 }}, /* DH */
240 {{ 0 }}, /* ECDH */
241 {{ MAGIC_ALG }, ALG_ID_ECDH_P256 },
242 {{ MAGIC_ALG }, ALG_ID_ECDH_P384 },
243 {{ 0 }}, /* ECDH_P512 */
244 {{ MAGIC_ALG }, ALG_ID_DSA },
245 {{ MAGIC_ALG }, ALG_ID_ECDSA_P256 },
246 {{ MAGIC_ALG }, ALG_ID_ECDSA_P384 },
247 {{ 0 }}, /* ECDSA_P512 */
248 {{ MAGIC_ALG }, ALG_ID_RSA_SIGN },
249 };
250
251 /* Algorithm pseudo-handles are denoted by having the lowest bit set.
252 * An aligned algorithm pointer will never have this bit set.
253 */
254 static inline BOOL is_alg_pseudo_handle( BCRYPT_ALG_HANDLE handle )
255 {
256 return (((ULONG_PTR)handle & 1) == 1);
257 }
258
259 static struct object *get_object( BCRYPT_HANDLE handle, ULONG magic )
260 {
261 ULONG idx;
262
263 if (!handle) return NULL;
264
265 if (!is_alg_pseudo_handle( handle ))
266 {
267 struct object *obj = handle;
268 if (magic && obj->magic != magic) return NULL;
269 return obj;
270 }
271
272 idx = (ULONG_PTR)handle >> 4;
273 if (idx > ARRAY_SIZE(pseudo_algorithms) || !pseudo_algorithms[idx].hdr.magic)
274 {
275 FIXME( "pseudo-handle %p not supported\n", handle );
276 return NULL;
277 }
278 return (struct object *)&pseudo_algorithms[idx];
279 }
280
281 static inline struct algorithm *get_alg_object( BCRYPT_ALG_HANDLE handle )
282 {
283 return (struct algorithm *)get_object( handle, MAGIC_ALG );
284 }
285
286 static inline struct hash *get_hash_object( BCRYPT_HASH_HANDLE handle )
287 {
288 return (struct hash *)get_object( handle, MAGIC_HASH );
289 }
290
291 static inline struct key *get_key_object( BCRYPT_KEY_HANDLE handle )
292 {
293 return (struct key *)get_object( handle, MAGIC_KEY );
294 }
295
296 static inline struct secret *get_secret_object( BCRYPT_SECRET_HANDLE handle )
297 {
298 return (struct secret *)get_object( handle, MAGIC_SECRET );
299 }
300
301 NTSTATUS WINAPI BCryptGenRandom( BCRYPT_ALG_HANDLE handle, UCHAR *buffer, ULONG count, ULONG flags )
302 {
303 const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
304 struct algorithm *alg = get_alg_object( handle );
305
306 TRACE("%p, %p, %lu, %#lx - semi-stub\n", handle, buffer, count, flags);
307
308 if (!handle)
309 {
310 /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
311 * is set. In this case the preferred system RNG is used.
312 */
313 if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
314 return STATUS_INVALID_HANDLE;
315 }
316 else if (is_alg_pseudo_handle( handle ) && handle != BCRYPT_RNG_ALG_HANDLE)
317 {
318 FIXME( "pseudo-handle %p not supported\n", handle );
319 return STATUS_NOT_IMPLEMENTED;
320 }
321 else if (!alg || alg->id != ALG_ID_RNG)
322 return STATUS_INVALID_HANDLE;
323
324 if (!buffer)
325 return STATUS_INVALID_PARAMETER;
326
327 if (flags & ~supported_flags)
328 FIXME("unsupported flags %#lx\n", flags & ~supported_flags);
329
330 if (alg)
331 FIXME("ignoring selected algorithm\n");
332
333 /* When zero bytes are requested the function returns success too. */
334 if (!count)
335 return STATUS_SUCCESS;
336
337 if (alg || (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
338 {
339 if (RtlGenRandom(buffer, count)) return STATUS_SUCCESS;
340 }
341
342 FIXME("called with unsupported parameters, returning error\n");
343 return STATUS_NOT_IMPLEMENTED;
344 }
345
346 static struct algorithm *create_algorithm( enum alg_id id, enum chain_mode mode, DWORD flags )
347 {
348 struct algorithm *ret;
349 if (!(ret = calloc( 1, sizeof(*ret) ))) return NULL;
350 ret->hdr.magic = MAGIC_ALG;
351 ret->id = id;
352 ret->mode = mode;
353 ret->flags = flags;
354 return ret;
355 }
356
357 NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, const WCHAR *id, const WCHAR *implementation,
358 DWORD flags )
359 {
360 const DWORD supported_flags = BCRYPT_ALG_HANDLE_HMAC_FLAG | BCRYPT_HASH_REUSABLE_FLAG;
361 struct algorithm *alg;
362 enum alg_id alg_id;
363 ULONG i;
364
365 TRACE( "%p, %s, %s, %#lx\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
366
367 if (!handle || !id) return STATUS_INVALID_PARAMETER;
368 if (flags & ~supported_flags)
369 {
370 FIXME( "unsupported flags %#lx\n", flags & ~supported_flags );
371 return STATUS_NOT_IMPLEMENTED;
372 }
373
374 for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
375 {
376 if (!wcscmp( id, builtin_algorithms[i].name))
377 {
378 alg_id = i;
379 break;
380 }
381 }
382 if (i == ARRAY_SIZE( builtin_algorithms ))
383 {
384 FIXME( "algorithm %s not supported\n", debugstr_w(id) );
385 return STATUS_NOT_IMPLEMENTED;
386 }
387
388 if (implementation && wcscmp( implementation, MS_PRIMITIVE_PROVIDER ))
389 {
390 FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
391 return STATUS_NOT_IMPLEMENTED;
392 }
393
394 if (!(alg = create_algorithm( alg_id, 0, flags ))) return STATUS_NO_MEMORY;
395 *handle = alg;
396 return STATUS_SUCCESS;
397 }
398
399 static void destroy_object( struct object *obj )
400 {
401 SecureZeroMemory( &obj->magic, sizeof(obj->magic) );
402 free( obj );
403 }
404
405 NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
406 {
407 struct algorithm *alg = handle;
408
409 TRACE( "%p, %#lx\n", handle, flags );
410
411 if (!handle || is_alg_pseudo_handle( handle ) || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
412 destroy_object( &alg->hdr );
413 return STATUS_SUCCESS;
414 }
415
416 NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
417 {
418 FIXME("%p - semi-stub\n", enabled);
419
420 if (!enabled)
421 return STATUS_INVALID_PARAMETER;
422
423 *enabled = FALSE;
424 return STATUS_SUCCESS;
425 }
426
427 struct hash_impl
428 {
429 union
430 {
431 MD2_CTX md2;
432 MD4_CTX md4;
433 MD5_CTX md5;
434 SHA_CTX sha1;
435 SHA256_CTX sha256;
436 SHA512_CTX sha512;
437 } u;
438 };
439
440 static NTSTATUS hash_init( struct hash_impl *hash, enum alg_id alg_id )
441 {
442 switch (alg_id)
443 {
444 case ALG_ID_MD2:
445 md2_init( &hash->u.md2 );
446 break;
447
448 case ALG_ID_MD4:
449 MD4Init( &hash->u.md4 );
450 break;
451
452 case ALG_ID_MD5:
453 MD5Init( &hash->u.md5 );
454 break;
455
456 case ALG_ID_SHA1:
457 A_SHAInit( &hash->u.sha1 );
458 break;
459
460 case ALG_ID_SHA256:
461 sha256_init( &hash->u.sha256 );
462 break;
463
464 case ALG_ID_SHA384:
465 sha384_init( &hash->u.sha512 );
466 break;
467
468 case ALG_ID_SHA512:
469 sha512_init( &hash->u.sha512 );
470 break;
471
472 default:
473 ERR( "unhandled id %u\n", alg_id );
474 return STATUS_NOT_IMPLEMENTED;
475 }
476 return STATUS_SUCCESS;
477 }
478
479 static NTSTATUS hash_update( struct hash_impl *hash, enum alg_id alg_id, UCHAR *input, ULONG size )
480 {
481 switch (alg_id)
482 {
483 case ALG_ID_MD2:
484 md2_update( &hash->u.md2, input, size );
485 break;
486
487 case ALG_ID_MD4:
488 MD4Update( &hash->u.md4, input, size );
489 break;
490
491 case ALG_ID_MD5:
492 MD5Update( &hash->u.md5, input, size );
493 break;
494
495 case ALG_ID_SHA1:
496 A_SHAUpdate( &hash->u.sha1, input, size );
497 break;
498
499 case ALG_ID_SHA256:
500 sha256_update( &hash->u.sha256, input, size );
501 break;
502
503 case ALG_ID_SHA384:
504 sha384_update( &hash->u.sha512, input, size );
505 break;
506
507 case ALG_ID_SHA512:
508 sha512_update( &hash->u.sha512, input, size );
509 break;
510
511 default:
512 ERR( "unhandled id %u\n", alg_id );
513 return STATUS_NOT_IMPLEMENTED;
514 }
515 return STATUS_SUCCESS;
516 }
517
518 static NTSTATUS hash_finish( struct hash_impl *hash, enum alg_id alg_id, UCHAR *output )
519 {
520 switch (alg_id)
521 {
522 case ALG_ID_MD2:
523 md2_finalize( &hash->u.md2, output );
524 break;
525
526 case ALG_ID_MD4:
527 MD4Final( &hash->u.md4 );
528 memcpy( output, hash->u.md4.digest, 16 );
529 break;
530
531 case ALG_ID_MD5:
532 MD5Final( &hash->u.md5 );
533 memcpy( output, hash->u.md5.digest, 16 );
534 break;
535
536 case ALG_ID_SHA1:
537 A_SHAFinal( &hash->u.sha1, (ULONG *)output );
538 break;
539
540 case ALG_ID_SHA256:
541 sha256_finalize( &hash->u.sha256, output );
542 break;
543
544 case ALG_ID_SHA384:
545 sha384_finalize( &hash->u.sha512, output );
546 break;
547
548 case ALG_ID_SHA512:
549 sha512_finalize( &hash->u.sha512, output );
550 break;
551
552 default:
553 ERR( "unhandled id %u\n", alg_id );
554 return STATUS_NOT_IMPLEMENTED;
555 }
556 return STATUS_SUCCESS;
557 }
558
559 #define HASH_FLAG_HMAC 0x01
560 #define HASH_FLAG_REUSABLE 0x02
561 struct hash
562 {
563 struct object hdr;
564 enum alg_id alg_id;
565 ULONG flags;
566 UCHAR *secret;
567 ULONG secret_len;
568 struct hash_impl outer;
569 struct hash_impl inner;
570 };
571
572 #define BLOCK_LENGTH_RC4 1
573 #define BLOCK_LENGTH_3DES 8
574 #define BLOCK_LENGTH_AES 16
575
576 static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
577 {
578 if (!wcscmp( prop, BCRYPT_OBJECT_LENGTH ))
579 {
580 if (!builtin_algorithms[id].object_length)
581 return STATUS_NOT_SUPPORTED;
582 *ret_size = sizeof(ULONG);
583 if (size < sizeof(ULONG))
584 return STATUS_BUFFER_TOO_SMALL;
585 if (buf)
586 *(ULONG *)buf = builtin_algorithms[id].object_length;
587 return STATUS_SUCCESS;
588 }
589
590 if (!wcscmp( prop, BCRYPT_HASH_LENGTH ))
591 {
592 if (!builtin_algorithms[id].hash_length)
593 return STATUS_NOT_SUPPORTED;
594 *ret_size = sizeof(ULONG);
595 if (size < sizeof(ULONG))
596 return STATUS_BUFFER_TOO_SMALL;
597 if(buf)
598 *(ULONG*)buf = builtin_algorithms[id].hash_length;
599 return STATUS_SUCCESS;
600 }
601
602 if (!wcscmp( prop, BCRYPT_ALGORITHM_NAME ))
603 {
604 *ret_size = (lstrlenW(builtin_algorithms[id].name) + 1) * sizeof(WCHAR);
605 if (size < *ret_size)
606 return STATUS_BUFFER_TOO_SMALL;
607 if(buf)
608 memcpy(buf, builtin_algorithms[id].name, *ret_size);
609 return STATUS_SUCCESS;
610 }
611
612 return STATUS_NOT_IMPLEMENTED;
613 }
614
615 static NTSTATUS get_3des_property( enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
616 {
617 if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
618 {
619 *ret_size = sizeof(ULONG);
620 if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
621 if (buf) *(ULONG *)buf = BLOCK_LENGTH_3DES;
622 return STATUS_SUCCESS;
623 }
624 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
625 {
626 const WCHAR *str;
627 switch (mode)
628 {
629 case CHAIN_MODE_CBC: str = BCRYPT_CHAIN_MODE_CBC; break;
630 default: return STATUS_NOT_IMPLEMENTED;
631 }
632
633 *ret_size = 64;
634 if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
635 memcpy( buf, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
636 return STATUS_SUCCESS;
637 }
638 if (!wcscmp( prop, BCRYPT_KEY_LENGTHS ))
639 {
640 BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
641 *ret_size = sizeof(*key_lengths);
642 if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
643 if (key_lengths)
644 {
645 key_lengths->dwMinLength = 192;
646 key_lengths->dwMaxLength = 192;
647 key_lengths->dwIncrement = 0;
648 }
649 return STATUS_SUCCESS;
650 }
651 FIXME( "unsupported property %s\n", debugstr_w(prop) );
652 return STATUS_NOT_IMPLEMENTED;
653 }
654
655 static NTSTATUS get_aes_property( enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
656 {
657 if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
658 {
659 *ret_size = sizeof(ULONG);
660 if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
661 if (buf) *(ULONG *)buf = BLOCK_LENGTH_AES;
662 return STATUS_SUCCESS;
663 }
664 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
665 {
666 const WCHAR *str;
667 switch (mode)
668 {
669 case CHAIN_MODE_ECB: str = BCRYPT_CHAIN_MODE_ECB; break;
670 case CHAIN_MODE_CBC: str = BCRYPT_CHAIN_MODE_CBC; break;
671 case CHAIN_MODE_GCM: str = BCRYPT_CHAIN_MODE_GCM; break;
672 case CHAIN_MODE_CFB: str = BCRYPT_CHAIN_MODE_CFB; break;
673 default: return STATUS_NOT_IMPLEMENTED;
674 }
675
676 *ret_size = 64;
677 if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
678 memcpy( buf, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
679 return STATUS_SUCCESS;
680 }
681 if (!wcscmp( prop, BCRYPT_KEY_LENGTHS ))
682 {
683 BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
684 *ret_size = sizeof(*key_lengths);
685 if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
686 if (key_lengths)
687 {
688 key_lengths->dwMinLength = 128;
689 key_lengths->dwMaxLength = 256;
690 key_lengths->dwIncrement = 64;
691 }
692 return STATUS_SUCCESS;
693 }
694 if (!wcscmp( prop, BCRYPT_AUTH_TAG_LENGTH ))
695 {
696 BCRYPT_AUTH_TAG_LENGTHS_STRUCT *tag_length = (void *)buf;
697 if (mode != CHAIN_MODE_GCM) return STATUS_NOT_SUPPORTED;
698 *ret_size = sizeof(*tag_length);
699 if (tag_length && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
700 if (tag_length)
701 {
702 tag_length->dwMinLength = 12;
703 tag_length->dwMaxLength = 16;
704 tag_length->dwIncrement = 1;
705 }
706 return STATUS_SUCCESS;
707 }
708
709 FIXME( "unsupported property %s\n", debugstr_w(prop) );
710 return STATUS_NOT_IMPLEMENTED;
711 }
712
713 static NTSTATUS get_rc4_property( enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
714 {
715 if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
716 {
717 *ret_size = sizeof(ULONG);
718 if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
719 if (buf) *(ULONG *)buf = BLOCK_LENGTH_RC4;
720 return STATUS_SUCCESS;
721 }
722
723 FIXME( "unsupported property %s\n", debugstr_w(prop) );
724 return STATUS_NOT_IMPLEMENTED;
725 }
726
727 static NTSTATUS get_rsa_property( enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
728 {
729 if (!wcscmp( prop, BCRYPT_PADDING_SCHEMES ))
730 {
731 *ret_size = sizeof(ULONG);
732 if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
733 if (buf) *(ULONG *)buf = BCRYPT_SUPPORTED_PAD_PKCS1_SIG;
734 return STATUS_SUCCESS;
735 }
736
737 FIXME( "unsupported property %s\n", debugstr_w(prop) );
738 return STATUS_NOT_IMPLEMENTED;
739 }
740
741 static NTSTATUS get_dsa_property( enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
742 {
743 if (!wcscmp( prop, BCRYPT_PADDING_SCHEMES )) return STATUS_NOT_SUPPORTED;
744 FIXME( "unsupported property %s\n", debugstr_w(prop) );
745 return STATUS_NOT_IMPLEMENTED;
746 }
747
748 static NTSTATUS get_alg_property( const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size,
749 ULONG *ret_size )
750 {
751 NTSTATUS status;
752
753 status = generic_alg_property( alg->id, prop, buf, size, ret_size );
754 if (status != STATUS_NOT_IMPLEMENTED)
755 return status;
756
757 switch (alg->id)
758 {
759 case ALG_ID_3DES:
760 return get_3des_property( alg->mode, prop, buf, size, ret_size );
761
762 case ALG_ID_AES:
763 return get_aes_property( alg->mode, prop, buf, size, ret_size );
764
765 case ALG_ID_RC4:
766 return get_rc4_property( alg->mode, prop, buf, size, ret_size );
767
768 case ALG_ID_RSA:
769 return get_rsa_property( alg->mode, prop, buf, size, ret_size );
770
771 case ALG_ID_DSA:
772 return get_dsa_property( alg->mode, prop, buf, size, ret_size );
773
774 default:
775 break;
776 }
777
778 FIXME( "unsupported property %s algorithm %u\n", debugstr_w(prop), alg->id );
779 return STATUS_NOT_IMPLEMENTED;
780 }
781
782 static NTSTATUS set_alg_property( struct algorithm *alg, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
783 {
784 switch (alg->id)
785 {
786 case ALG_ID_3DES:
787 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
788 {
789 if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
790 {
791 alg->mode = CHAIN_MODE_CBC;
792 return STATUS_SUCCESS;
793 }
794 else
795 {
796 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
797 return STATUS_NOT_SUPPORTED;
798 }
799 }
800 FIXME( "unsupported 3des algorithm property %s\n", debugstr_w(prop) );
801 return STATUS_NOT_IMPLEMENTED;
802
803 case ALG_ID_AES:
804 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
805 {
806 if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB ))
807 {
808 alg->mode = CHAIN_MODE_ECB;
809 return STATUS_SUCCESS;
810 }
811 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
812 {
813 alg->mode = CHAIN_MODE_CBC;
814 return STATUS_SUCCESS;
815 }
816 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM ))
817 {
818 alg->mode = CHAIN_MODE_GCM;
819 return STATUS_SUCCESS;
820 }
821 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CFB ))
822 {
823 alg->mode = CHAIN_MODE_CFB;
824 return STATUS_SUCCESS;
825 }
826 else
827 {
828 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
829 return STATUS_NOT_IMPLEMENTED;
830 }
831 }
832 FIXME( "unsupported aes algorithm property %s\n", debugstr_w(prop) );
833 return STATUS_NOT_IMPLEMENTED;
834
835 case ALG_ID_RC4:
836 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
837 {
838 if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_NA )) return STATUS_SUCCESS;
839
840 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
841 return STATUS_NOT_IMPLEMENTED;
842 }
843 FIXME( "unsupported rc4 algorithm property %s\n", debugstr_w(prop) );
844 return STATUS_NOT_IMPLEMENTED;
845
846 default:
847 FIXME( "unsupported algorithm %u\n", alg->id );
848 return STATUS_NOT_IMPLEMENTED;
849 }
850 }
851
852 static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
853 {
854 if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
855 {
856 if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB ))
857 {
858 key->u.s.mode = CHAIN_MODE_ECB;
859 return STATUS_SUCCESS;
860 }
861 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
862 {
863 key->u.s.mode = CHAIN_MODE_CBC;
864 return STATUS_SUCCESS;
865 }
866 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM ))
867 {
868 key->u.s.mode = CHAIN_MODE_GCM;
869 return STATUS_SUCCESS;
870 }
871 else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CFB ))
872 {
873 key->u.s.mode = CHAIN_MODE_CFB;
874 return STATUS_SUCCESS;
875 }
876 else
877 {
878 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
879 return STATUS_NOT_IMPLEMENTED;
880 }
881 }
882 else if (!wcscmp( prop, BCRYPT_KEY_LENGTH ))
883 {
884 if (size < sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
885 key->u.a.bitlen = *(DWORD*)value;
886 return STATUS_SUCCESS;
887 }
888
889 FIXME( "unsupported key property %s\n", debugstr_w(prop) );
890 return STATUS_NOT_IMPLEMENTED;
891 }
892
893 static NTSTATUS get_hash_property( const struct hash *hash, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
894 {
895 NTSTATUS status;
896
897 status = generic_alg_property( hash->alg_id, prop, buf, size, ret_size );
898 if (status == STATUS_NOT_IMPLEMENTED)
899 FIXME( "unsupported property %s\n", debugstr_w(prop) );
900 return status;
901 }
902
903 static NTSTATUS get_key_property( const struct key *key, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
904 {
905 if (!wcscmp( prop, BCRYPT_KEY_STRENGTH ))
906 {
907 *ret_size = sizeof(DWORD);
908 if (size < sizeof(DWORD)) return STATUS_BUFFER_TOO_SMALL;
909 if (buf)
910 {
911 if (is_symmetric_key(key)) *(DWORD *)buf = key->u.s.block_size * 8;
912 else *(DWORD *)buf = key->u.a.bitlen;
913 }
914 return STATUS_SUCCESS;
915 }
916
917 switch (key->alg_id)
918 {
919 case ALG_ID_3DES:
920 return get_3des_property( key->u.s.mode, prop, buf, size, ret_size );
921
922 case ALG_ID_AES:
923 if (!wcscmp( prop, BCRYPT_AUTH_TAG_LENGTH )) return STATUS_NOT_SUPPORTED;
924 return get_aes_property( key->u.s.mode, prop, buf, size, ret_size );
925
926 default:
927 FIXME( "unsupported algorithm %u\n", key->alg_id );
928 return STATUS_NOT_IMPLEMENTED;
929 }
930 }
931
932 NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *buffer, ULONG count, ULONG *res,
933 ULONG flags )
934 {
935 struct object *object = get_object( handle, 0 );
936
937 TRACE( "%p, %s, %p, %lu, %p, %#lx\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
938
939 if (!object) return STATUS_INVALID_HANDLE;
940 if (!prop || !res) return STATUS_INVALID_PARAMETER;
941
942 switch (object->magic)
943 {
944 case MAGIC_ALG:
945 {
946 const struct algorithm *alg = (const struct algorithm *)object;
947 return get_alg_property( alg, prop, buffer, count, res );
948 }
949 case MAGIC_KEY:
950 {
951 const struct key *key = (const struct key *)object;
952 return get_key_property( key, prop, buffer, count, res );
953 }
954 case MAGIC_HASH:
955 {
956 const struct hash *hash = (const struct hash *)object;
957 return get_hash_property( hash, prop, buffer, count, res );
958 }
959 default:
960 WARN( "unknown magic %#lx\n", object->magic );
961 return STATUS_INVALID_HANDLE;
962 }
963 }
964
965 static NTSTATUS hash_prepare( struct hash *hash )
966 {
967 UCHAR buffer[MAX_HASH_BLOCK_BITS / 8] = {0};
968 int block_bytes, i;
969 NTSTATUS status;
970
971 /* initialize hash */
972 if ((status = hash_init( &hash->inner, hash->alg_id ))) return status;
973 if (!(hash->flags & HASH_FLAG_HMAC)) return STATUS_SUCCESS;
974
975 /* initialize hmac */
976 if ((status = hash_init( &hash->outer, hash->alg_id ))) return status;
977 block_bytes = builtin_algorithms[hash->alg_id].block_bits / 8;
978 if (hash->secret_len > block_bytes)
979 {
980 struct hash_impl temp;
981 if ((status = hash_init( &temp, hash->alg_id ))) return status;
982 if ((status = hash_update( &temp, hash->alg_id, hash->secret, hash->secret_len ))) return status;
983 if ((status = hash_finish( &temp, hash->alg_id, buffer ))) return status;
984 }
985 else memcpy( buffer, hash->secret, hash->secret_len );
986
987 for (i = 0; i < block_bytes; i++) buffer[i] ^= 0x5c;
988 if ((status = hash_update( &hash->outer, hash->alg_id, buffer, block_bytes ))) return status;
989 for (i = 0; i < block_bytes; i++) buffer[i] ^= (0x5c ^ 0x36);
990 return hash_update( &hash->inner, hash->alg_id, buffer, block_bytes );
991 }
992
993 static NTSTATUS hash_create( const struct algorithm *alg, UCHAR *secret, ULONG secret_len, ULONG flags,
994 struct hash **ret_hash )
995 {
996 struct hash *hash;
997 NTSTATUS status;
998
999 if (!(hash = calloc( 1, sizeof(*hash) ))) return STATUS_NO_MEMORY;
1000 hash->hdr.magic = MAGIC_HASH;
1001 hash->alg_id = alg->id;
1002 if (alg->flags & BCRYPT_ALG_HANDLE_HMAC_FLAG) hash->flags = HASH_FLAG_HMAC;
1003 if ((alg->flags & BCRYPT_HASH_REUSABLE_FLAG) || (flags & BCRYPT_HASH_REUSABLE_FLAG))
1004 hash->flags |= HASH_FLAG_REUSABLE;
1005
1006 if (secret_len && !(hash->secret = malloc( secret_len )))
1007 {
1008 free( hash );
1009 return STATUS_NO_MEMORY;
1010 }
1011 memcpy( hash->secret, secret, secret_len );
1012 hash->secret_len = secret_len;
1013
1014 if ((status = hash_prepare( hash )))
1015 {
1016 free( hash->secret );
1017 free( hash );
1018 return status;
1019 }
1020
1021 *ret_hash = hash;
1022 return STATUS_SUCCESS;
1023 }
1024
1025 NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE handle, BCRYPT_HASH_HANDLE *ret_handle, UCHAR *object,
1026 ULONG object_len, UCHAR *secret, ULONG secret_len, ULONG flags )
1027 {
1028 struct algorithm *alg = get_alg_object( handle );
1029 struct hash *hash;
1030 NTSTATUS status;
1031
1032 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
1033 if (flags & ~BCRYPT_HASH_REUSABLE_FLAG)
1034 {
1035 FIXME( "unimplemented flags %#lx\n", flags );
1036 return STATUS_NOT_IMPLEMENTED;
1037 }
1038 if (object) FIXME( "ignoring object buffer\n" );
1039
1040 if (!alg) return STATUS_INVALID_HANDLE;
1041 if (!ret_handle) return STATUS_INVALID_PARAMETER;
1042
1043 if ((status = hash_create( alg, secret, secret_len, flags, &hash ))) return status;
1044 *ret_handle = hash;
1045 return STATUS_SUCCESS;
1046 }
1047
1048 NTSTATUS WINAPI BCryptDuplicateHash( BCRYPT_HASH_HANDLE handle, BCRYPT_HASH_HANDLE *handle_copy,
1049 UCHAR *object, ULONG objectlen, ULONG flags )
1050 {
1051 struct hash *hash_orig = get_hash_object( handle );
1052 struct hash *hash_copy;
1053
1054 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, objectlen, flags );
1055
1056 if (!hash_orig) return STATUS_INVALID_HANDLE;
1057 if (!handle_copy) return STATUS_INVALID_PARAMETER;
1058 if (object) FIXME( "ignoring object buffer\n" );
1059
1060 if (!(hash_copy = malloc( sizeof(*hash_copy) ))) return STATUS_NO_MEMORY;
1061
1062 memcpy( hash_copy, hash_orig, sizeof(*hash_orig) );
1063 if (hash_orig->secret && !(hash_copy->secret = malloc( hash_orig->secret_len )))
1064 {
1065 free( hash_copy );
1066 return STATUS_NO_MEMORY;
1067 }
1068 memcpy( hash_copy->secret, hash_orig->secret, hash_orig->secret_len );
1069
1070 *handle_copy = hash_copy;
1071 return STATUS_SUCCESS;
1072 }
1073
1074 static void hash_destroy( struct hash *hash )
1075 {
1076 if (!hash) return;
1077 free( hash->secret );
1078 destroy_object( &hash->hdr );
1079 }
1080
1081 NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
1082 {
1083 struct hash *hash = get_hash_object( handle );
1084
1085 TRACE( "%p\n", handle );
1086
1087 if (!hash) return STATUS_INVALID_PARAMETER;
1088 hash_destroy( hash );
1089 return STATUS_SUCCESS;
1090 }
1091
1092 NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
1093 {
1094 struct hash *hash = get_hash_object( handle );
1095
1096 TRACE( "%p, %p, %lu, %#lx\n", handle, input, size, flags );
1097
1098 if (!hash) return STATUS_INVALID_HANDLE;
1099 if (!input) return STATUS_SUCCESS;
1100
1101 return hash_update( &hash->inner, hash->alg_id, input, size );
1102 }
1103
1104 static NTSTATUS hash_finalize( struct hash *hash, UCHAR *output )
1105 {
1106 UCHAR buffer[MAX_HASH_OUTPUT_BYTES];
1107 ULONG hash_length = builtin_algorithms[hash->alg_id].hash_length;
1108 NTSTATUS status;
1109
1110 if (!(hash->flags & HASH_FLAG_HMAC))
1111 {
1112 if ((status = hash_finish( &hash->inner, hash->alg_id, output ))) return status;
1113 if (hash->flags & HASH_FLAG_REUSABLE) return hash_prepare( hash );
1114 return STATUS_SUCCESS;
1115 }
1116
1117 if ((status = hash_finish( &hash->inner, hash->alg_id, buffer ))) return status;
1118 if ((status = hash_update( &hash->outer, hash->alg_id, buffer, hash_length ))) return status;
1119 if ((status = hash_finish( &hash->outer, hash->alg_id, output ))) return status;
1120
1121 if (hash->flags & HASH_FLAG_REUSABLE) return hash_prepare( hash );
1122 return STATUS_SUCCESS;
1123 }
1124
1125 NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
1126 {
1127 struct hash *hash = get_hash_object( handle );
1128
1129 TRACE( "%p, %p, %lu, %#lx\n", handle, output, size, flags );
1130
1131 if (!hash) return STATUS_INVALID_HANDLE;
1132 if (!output || size != builtin_algorithms[hash->alg_id].hash_length) return STATUS_INVALID_PARAMETER;
1133
1134 return hash_finalize( hash, output );
1135 }
1136
1137 NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE handle, UCHAR *secret, ULONG secret_len,
1138 UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len )
1139 {
1140 struct algorithm *alg = get_alg_object( handle );
1141 struct hash *hash;
1142 NTSTATUS status;
1143
1144 TRACE( "%p, %p, %lu, %p, %lu, %p, %lu\n", handle, secret, secret_len, input, input_len, output, output_len );
1145
1146 if (!alg) return STATUS_INVALID_HANDLE;
1147 if (!output) return STATUS_INVALID_PARAMETER;
1148
1149 if ((status = hash_create( alg, secret, secret_len, 0, &hash ))) return status;
1150 if (output_len != builtin_algorithms[hash->alg_id].hash_length)
1151 {
1152 hash_destroy( hash );
1153 return STATUS_INVALID_PARAMETER;
1154 }
1155 if ((status = hash_update( &hash->inner, hash->alg_id, input, input_len )))
1156 {
1157 hash_destroy( hash );
1158 return status;
1159 }
1160 status = hash_finalize( hash, output );
1161 hash_destroy( hash );
1162 return status;
1163 }
1164
1165 static NTSTATUS key_asymmetric_create( enum alg_id alg_id, ULONG bitlen, struct key **ret_key )
1166 {
1167 struct key *key;
1168
1169 if (!__wine_unixlib_handle)
1170 {
1171 ERR( "no encryption support\n" );
1172 return STATUS_NOT_IMPLEMENTED;
1173 }
1174
1175 if (!(key = calloc( 1, sizeof(*key) ))) return STATUS_NO_MEMORY;
1176 key->hdr.magic = MAGIC_KEY;
1177 key->alg_id = alg_id;
1178 key->u.a.bitlen = bitlen;
1179
1180 *ret_key = key;
1181 return STATUS_SUCCESS;
1182 }
1183
1184 static BOOL is_equal_vector( const UCHAR *vector, ULONG len, const UCHAR *vector2, ULONG len2 )
1185 {
1186 if (!vector && !vector2) return TRUE;
1187 if (len != len2) return FALSE;
1188 return !memcmp( vector, vector2, len );
1189 }
1190
1191 static NTSTATUS key_symmetric_set_vector( struct key *key, UCHAR *vector, ULONG vector_len, BOOL force_reset )
1192 {
1193 BOOL needs_reset = force_reset || !is_equal_vector( key->u.s.vector, key->u.s.vector_len, vector, vector_len );
1194 if (vector)
1195 {
1196 free( key->u.s.vector );
1197 key->u.s.vector = NULL;
1198 key->u.s.vector_len = 0;
1199
1200 if (!(key->u.s.vector = malloc( vector_len ))) return STATUS_NO_MEMORY;
1201 memcpy( key->u.s.vector, vector, vector_len );
1202 key->u.s.vector_len = vector_len;
1203 }
1204 if (needs_reset) UNIX_CALL( key_symmetric_vector_reset, key );
1205 return STATUS_SUCCESS;
1206 }
1207
1208 static struct key *create_symmetric_key( enum alg_id alg, enum chain_mode mode, ULONG block_size, UCHAR *secret,
1209 ULONG secret_len )
1210 {
1211 struct key *ret;
1212
1213 if (!(ret = calloc( 1, sizeof(*ret) ))) return NULL;
1214 InitializeCriticalSection( &ret->u.s.cs );
1215 ret->hdr.magic = MAGIC_KEY;
1216 ret->alg_id = alg;
1217 ret->u.s.mode = mode;
1218 ret->u.s.block_size = block_size;
1219
1220 if (!(ret->u.s.secret = malloc( secret_len )))
1221 {
1222 DeleteCriticalSection( &ret->u.s.cs );
1223 free( ret );
1224 return NULL;
1225 }
1226 memcpy( ret->u.s.secret, secret, secret_len );
1227 ret->u.s.secret_len = secret_len;
1228
1229 return ret;
1230 }
1231
1232 static ULONG get_block_size( struct algorithm *alg )
1233 {
1234 ULONG ret = 0, size = sizeof(ret);
1235 get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
1236 return ret;
1237 }
1238
1239 static NTSTATUS generate_symmetric_key( struct algorithm *alg, BCRYPT_KEY_HANDLE *ret_handle, UCHAR *secret,
1240 ULONG secret_len )
1241 {
1242 BCRYPT_KEY_LENGTHS_STRUCT key_lengths;
1243 ULONG block_size, size;
1244 struct key *key;
1245 NTSTATUS status;
1246
1247 if (!(block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
1248 if (!get_alg_property( alg, BCRYPT_KEY_LENGTHS, (UCHAR *)&key_lengths, sizeof(key_lengths), &size ))
1249 {
1250 if (secret_len > (size = key_lengths.dwMaxLength / 8))
1251 {
1252 WARN( "secret_len %lu exceeds key max length %lu, setting to maximum\n", secret_len, size );
1253 secret_len = size;
1254 }
1255 else if (secret_len < (size = key_lengths.dwMinLength / 8))
1256 {
1257 WARN( "secret_len %lu is less than minimum key length %lu\n", secret_len, size );
1258 return STATUS_INVALID_PARAMETER;
1259 }
1260 else if (key_lengths.dwIncrement && (secret_len * 8 - key_lengths.dwMinLength) % key_lengths.dwIncrement)
1261 {
1262 WARN( "secret_len %lu is not a valid key length\n", secret_len );
1263 return STATUS_INVALID_PARAMETER;
1264 }
1265 }
1266
1267 if (!(key = create_symmetric_key( alg->id, alg->mode, block_size, secret, secret_len ))) status = STATUS_NO_MEMORY;
1268 else
1269 {
1270 *ret_handle = key;
1271 status = STATUS_SUCCESS;
1272 }
1273
1274 return status;
1275 }
1276
1277 static NTSTATUS key_import( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
1278 ULONG object_len, UCHAR *input, ULONG input_len )
1279 {
1280 ULONG len;
1281
1282 if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
1283 {
1284 BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
1285
1286 if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
1287 if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
1288 if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
1289 {
1290 FIXME( "unknown key data blob version %lu\n", header->dwVersion );
1291 return STATUS_INVALID_PARAMETER;
1292 }
1293 len = header->cbKeyData;
1294 if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
1295
1296 return generate_symmetric_key( alg, key, (UCHAR *)&header[1], len );
1297 }
1298 else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
1299 {
1300 if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
1301 len = *(ULONG *)input;
1302 if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
1303
1304 return generate_symmetric_key( alg, key, input + sizeof(len), len );
1305 }
1306
1307 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1308 return STATUS_NOT_IMPLEMENTED;
1309 }
1310
1311 static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
1312 {
1313 struct key_asymmetric_export_params params;
1314
1315 if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
1316 {
1317 BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
1318 ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->u.s.secret_len;
1319
1320 *size = req_size;
1321 if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
1322 if (output)
1323 {
1324 header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
1325 header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
1326 header->cbKeyData = key->u.s.secret_len;
1327 memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
1328 }
1329 return STATUS_SUCCESS;
1330 }
1331 else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
1332 {
1333 ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
1334
1335 *size = req_size;
1336 if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
1337 if (output)
1338 {
1339 *(ULONG *)output = key->u.s.secret_len;
1340 memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
1341 }
1342 return STATUS_SUCCESS;
1343 }
1344 else if (!wcscmp( type, BCRYPT_DSA_PRIVATE_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ) ||
1345 !wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ))
1346 {
1347 params.key = key;
1348 params.flags = 0;
1349 params.buf = output;
1350 params.len = output_len;
1351 params.ret_len = size;
1352 return UNIX_CALL( key_asymmetric_export, &params );
1353 }
1354 else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
1355 {
1356 params.key = key;
1357 params.flags = (wcscmp( type, BCRYPT_RSAPRIVATE_BLOB )) ? KEY_EXPORT_FLAG_RSA_FULL : 0;
1358 params.buf = output;
1359 params.len = output_len;
1360 params.ret_len = size;
1361 return UNIX_CALL( key_asymmetric_export, &params );
1362 }
1363 else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB ) ||
1364 !wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ) || !wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ))
1365 {
1366 params.key = key;
1367 params.flags = KEY_EXPORT_FLAG_PUBLIC;
1368 params.buf = output;
1369 params.len = output_len;
1370 params.ret_len = size;
1371 return UNIX_CALL( key_asymmetric_export, &params );
1372 }
1373
1374 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1375 return STATUS_NOT_IMPLEMENTED;
1376 }
1377
1378 static NTSTATUS key_symmetric_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
1379 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
1380 {
1381 struct key_symmetric_set_auth_data_params auth_params;
1382 struct key_symmetric_encrypt_params encrypt_params;
1383 struct key_symmetric_get_tag_params tag_params;
1384 ULONG bytes_left = input_len;
1385 UCHAR *buf;
1386 NTSTATUS status;
1387
1388 if (key->u.s.mode == CHAIN_MODE_GCM)
1389 {
1390 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
1391
1392 if (!auth_info) return STATUS_INVALID_PARAMETER;
1393 if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
1394 if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
1395 if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
1396 if (auth_info->dwFlags & BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG)
1397 FIXME( "call chaining not implemented\n" );
1398
1399 if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
1400 return status;
1401
1402 *ret_len = input_len;
1403 if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
1404 if (input && !output) return STATUS_SUCCESS;
1405 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1406
1407 auth_params.key = key;
1408 auth_params.auth_data = auth_info->pbAuthData;
1409 auth_params.len = auth_info->cbAuthData;
1410 if ((status = UNIX_CALL( key_symmetric_set_auth_data, &auth_params ))) return status;
1411
1412 encrypt_params.key = key;
1413 encrypt_params.input = input;
1414 encrypt_params.input_len = input_len;
1415 encrypt_params.output = output;
1416 encrypt_params.output_len = output_len;
1417 if ((status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params ))) return status;
1418
1419 tag_params.key = key;
1420 tag_params.tag = auth_info->pbTag;
1421 tag_params.len = auth_info->cbTag;
1422 return UNIX_CALL( key_symmetric_get_tag, &tag_params );
1423 }
1424
1425 *ret_len = input_len;
1426
1427 if (flags & BCRYPT_BLOCK_PADDING)
1428 *ret_len = (input_len + key->u.s.block_size) & ~(key->u.s.block_size - 1);
1429 else if (input_len & (key->u.s.block_size - 1))
1430 return STATUS_INVALID_BUFFER_SIZE;
1431
1432 if (!output) return STATUS_SUCCESS;
1433 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1434 if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
1435 if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
1436
1437 encrypt_params.key = key;
1438 encrypt_params.input = input;
1439 encrypt_params.input_len = key->u.s.block_size;
1440 encrypt_params.output = output;
1441 encrypt_params.output_len = key->u.s.block_size;
1442 while (bytes_left >= key->u.s.block_size)
1443 {
1444 if ((status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params )))
1445 return status;
1446 if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
1447 return status;
1448 bytes_left -= key->u.s.block_size;
1449 encrypt_params.input += key->u.s.block_size;
1450 encrypt_params.output += key->u.s.block_size;
1451 }
1452
1453 if (flags & BCRYPT_BLOCK_PADDING)
1454 {
1455 if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
1456 memcpy( buf, encrypt_params.input, bytes_left );
1457 memset( buf + bytes_left, key->u.s.block_size - bytes_left, key->u.s.block_size - bytes_left );
1458 encrypt_params.input = buf;
1459 status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params );
1460 free( buf );
1461 }
1462
1463 if (!status)
1464 {
1465 if (key->u.s.vector && *ret_len >= key->u.s.vector_len)
1466 {
1467 memcpy( key->u.s.vector, output + *ret_len - key->u.s.vector_len, key->u.s.vector_len );
1468 if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
1469 }
1470 else FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
1471 }
1472
1473 return status;
1474 }
1475
1476 static NTSTATUS key_symmetric_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
1477 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
1478 {
1479 struct key_symmetric_set_auth_data_params auth_params;
1480 struct key_symmetric_decrypt_params decrypt_params;
1481 struct key_symmetric_get_tag_params tag_params;
1482 ULONG bytes_left = input_len;
1483 NTSTATUS status;
1484
1485 if (key->u.s.mode == CHAIN_MODE_GCM)
1486 {
1487 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
1488 UCHAR tag[16];
1489
1490 if (!auth_info) return STATUS_INVALID_PARAMETER;
1491 if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
1492 if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
1493 if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
1494
1495 if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
1496 return status;
1497
1498 *ret_len = input_len;
1499 if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
1500 if (!output) return STATUS_SUCCESS;
1501 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1502
1503 auth_params.key = key;
1504 auth_params.auth_data = auth_info->pbAuthData;
1505 auth_params.len = auth_info->cbAuthData;
1506 if ((status = UNIX_CALL( key_symmetric_set_auth_data, &auth_params ))) return status;
1507
1508 decrypt_params.key = key;
1509 decrypt_params.input = input;
1510 decrypt_params.input_len = input_len;
1511 decrypt_params.output = output;
1512 decrypt_params.output_len = output_len;
1513 if ((status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params ))) return status;
1514
1515 tag_params.key = key;
1516 tag_params.tag = tag;
1517 tag_params.len = sizeof(tag);
1518 if ((status = UNIX_CALL( key_symmetric_get_tag, &tag_params ))) return status;
1519 if (memcmp( tag, auth_info->pbTag, auth_info->cbTag )) return STATUS_AUTH_TAG_MISMATCH;
1520
1521 return STATUS_SUCCESS;
1522 }
1523
1524 *ret_len = input_len;
1525
1526 if (input_len & (key->u.s.block_size - 1)) return STATUS_INVALID_BUFFER_SIZE;
1527 if (!output) return STATUS_SUCCESS;
1528 if (flags & BCRYPT_BLOCK_PADDING)
1529 {
1530 if (output_len + key->u.s.block_size < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1531 if (input_len < key->u.s.block_size) return STATUS_BUFFER_TOO_SMALL;
1532 bytes_left -= key->u.s.block_size;
1533 }
1534 else if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1535
1536 if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
1537 if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
1538
1539 decrypt_params.key = key;
1540 decrypt_params.input = input;
1541 decrypt_params.input_len = key->u.s.block_size;
1542 decrypt_params.output = output;
1543 decrypt_params.output_len = key->u.s.block_size;
1544 while (bytes_left >= key->u.s.block_size)
1545 {
1546 if ((status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params ))) return status;
1547 if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
1548 return status;
1549 bytes_left -= key->u.s.block_size;
1550 decrypt_params.input += key->u.s.block_size;
1551 decrypt_params.output += key->u.s.block_size;
1552 }
1553
1554 if (flags & BCRYPT_BLOCK_PADDING)
1555 {
1556 UCHAR *buf, *dst = decrypt_params.output;
1557 if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
1558 decrypt_params.output = buf;
1559 status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params );
1560 if (!status && buf[ key->u.s.block_size - 1 ] <= key->u.s.block_size)
1561 {
1562 *ret_len -= buf[ key->u.s.block_size - 1 ];
1563 if (output_len < *ret_len) status = STATUS_BUFFER_TOO_SMALL;
1564 else memcpy( dst, buf, key->u.s.block_size - buf[ key->u.s.block_size - 1 ] );
1565 }
1566 else status = STATUS_UNSUCCESSFUL; /* FIXME: invalid padding */
1567 free( buf );
1568 }
1569
1570 if (!status)
1571 {
1572 if (key->u.s.vector && input_len >= key->u.s.vector_len)
1573 {
1574 memcpy( key->u.s.vector, input + input_len - key->u.s.vector_len, key->u.s.vector_len );
1575 if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
1576 }
1577 else FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
1578 }
1579
1580 return status;
1581 }
1582
1583 static void key_destroy( struct key *key )
1584 {
1585 if (is_symmetric_key( key ))
1586 {
1587 UNIX_CALL( key_symmetric_destroy, key );
1588 free( key->u.s.vector );
1589 free( key->u.s.secret );
1590 DeleteCriticalSection( &key->u.s.cs );
1591 }
1592 else
1593 UNIX_CALL( key_asymmetric_destroy, key );
1594
1595 destroy_object( &key->hdr );
1596 }
1597
1598 static NTSTATUS convert_legacy_rsaprivate_blob( struct algorithm *alg, BCRYPT_RSAKEY_BLOB **rsa_data,
1599 ULONG *rsa_len, UCHAR *input, ULONG input_len )
1600 {
1601 struct {
1602 PUBLICKEYSTRUC header;
1603 RSAPUBKEY rsapubkey;
1604 } *blob = (void *)input;
1605 ULONG len, pos;
1606 UCHAR *conv;
1607 int i;
1608
1609 if (alg->id != ALG_ID_RSA) return STATUS_NOT_SUPPORTED;
1610 if (input_len < sizeof(*blob)) return NTE_BAD_DATA;
1611 if (blob->header.bType != PRIVATEKEYBLOB || blob->header.bVersion != CUR_BLOB_VERSION ||
1612 blob->header.aiKeyAlg != CALG_RSA_KEYX ||
1613 blob->rsapubkey.magic != BCRYPT_RSAPRIVATE_MAGIC ||
1614 input_len != sizeof(*blob) + blob->rsapubkey.bitlen / 16 * 9) return NTE_BAD_DATA;
1615 if (blob->rsapubkey.bitlen & 0xf) return STATUS_INVALID_PARAMETER;
1616
1617 len = sizeof(**rsa_data) + sizeof(blob->rsapubkey.pubexp) + blob->rsapubkey.bitlen / 4;
1618 if (!(conv = malloc( len ))) return STATUS_NO_MEMORY;
1619
1620 *rsa_data = (BCRYPT_RSAKEY_BLOB *)conv;
1621 (*rsa_data)->Magic = blob->rsapubkey.magic;
1622 (*rsa_data)->BitLength = blob->rsapubkey.bitlen;
1623 (*rsa_data)->cbPublicExp = sizeof(blob->rsapubkey.pubexp);
1624 (*rsa_data)->cbModulus = blob->rsapubkey.bitlen / 8;
1625 (*rsa_data)->cbPrime1 = blob->rsapubkey.bitlen / 16;
1626 (*rsa_data)->cbPrime2 = blob->rsapubkey.bitlen / 16;
1627 len = sizeof(**rsa_data);
1628
1629 for(i = 0; i < (*rsa_data)->cbPublicExp; i++)
1630 conv[len++] = ((UCHAR *)&blob->rsapubkey.pubexp)[(*rsa_data)->cbPublicExp - i - 1];
1631 pos = sizeof(*blob);
1632 for(i = 0; i < (*rsa_data)->cbModulus; i++)
1633 conv[len++] = input[pos + (*rsa_data)->cbModulus - i - 1];
1634 pos += (*rsa_data)->cbModulus;
1635 for(i = 0; i < (*rsa_data)->cbPrime1; i++)
1636 conv[len++] = input[pos + (*rsa_data)->cbPrime1 - i - 1];
1637 pos += (*rsa_data)->cbPrime1;
1638 for(i = 0; i < (*rsa_data)->cbPrime2; i++)
1639 conv[len++] = input[pos + (*rsa_data)->cbPrime2 - i - 1];
1640
1641 *rsa_len = len;
1642 return STATUS_SUCCESS;
1643 }
1644
1645 static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
1646 ULONG input_len )
1647 {
1648 struct key_asymmetric_import_params params;
1649 struct key *key;
1650 NTSTATUS status;
1651 ULONG size;
1652
1653 if (!wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ))
1654 {
1655 BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
1656 DWORD key_size, magic;
1657
1658 if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
1659
1660 switch (alg->id)
1661 {
1662 case ALG_ID_ECDH_P256:
1663 key_size = 32;
1664 magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC;
1665 break;
1666
1667 case ALG_ID_ECDH_P384:
1668 key_size = 48;
1669 magic = BCRYPT_ECDH_PUBLIC_P384_MAGIC;
1670 break;
1671
1672 case ALG_ID_ECDSA_P256:
1673 key_size = 32;
1674 magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
1675 break;
1676
1677 case ALG_ID_ECDSA_P384:
1678 key_size = 48;
1679 magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
1680 break;
1681
1682 default:
1683 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
1684 return STATUS_NOT_SUPPORTED;
1685 }
1686
1687 if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
1688 if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 2)
1689 return STATUS_INVALID_PARAMETER;
1690
1691 if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
1692 params.key = key;
1693 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1694 params.buf = input;
1695 params.len = input_len;
1696 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1697 {
1698 key_destroy( key );
1699 return status;
1700 }
1701
1702 *ret_key = key;
1703 return STATUS_SUCCESS;
1704 }
1705 else if (!wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ))
1706 {
1707 BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
1708 DWORD key_size, magic;
1709
1710 if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
1711
1712 switch (alg->id)
1713 {
1714 case ALG_ID_ECDH_P256:
1715 key_size = 32;
1716 magic = BCRYPT_ECDH_PRIVATE_P256_MAGIC;
1717 break;
1718
1719 case ALG_ID_ECDH_P384:
1720 key_size = 48;
1721 magic = BCRYPT_ECDH_PRIVATE_P384_MAGIC;
1722 break;
1723
1724 case ALG_ID_ECDSA_P256:
1725 key_size = 32;
1726 magic = BCRYPT_ECDSA_PRIVATE_P256_MAGIC;
1727 break;
1728
1729 default:
1730 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
1731 return STATUS_NOT_SUPPORTED;
1732 }
1733
1734 if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
1735 if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 3)
1736 return STATUS_INVALID_PARAMETER;
1737
1738 if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
1739 params.key = key;
1740 params.flags = 0;
1741 params.buf = input;
1742 params.len = input_len;
1743 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1744 {
1745 key_destroy( key );
1746 return status;
1747 }
1748
1749 *ret_key = key;
1750 return STATUS_SUCCESS;
1751 }
1752 else if (!wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ))
1753 {
1754 BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
1755
1756 if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
1757 if ((alg->id != ALG_ID_RSA && alg->id != ALG_ID_RSA_SIGN) || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC)
1758 return STATUS_NOT_SUPPORTED;
1759
1760 size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
1761 if (size != input_len) return NTE_BAD_DATA;
1762
1763 if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
1764 params.key = key;
1765 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1766 params.buf = input;
1767 params.len = input_len;
1768 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1769 {
1770 key_destroy( key );
1771 return status;
1772 }
1773
1774 *ret_key = key;
1775 return STATUS_SUCCESS;
1776 }
1777 else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
1778 {
1779 BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
1780
1781 if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
1782 if (alg->id != ALG_ID_RSA || (rsa_blob->Magic != BCRYPT_RSAPRIVATE_MAGIC &&
1783 rsa_blob->Magic != BCRYPT_RSAFULLPRIVATE_MAGIC)) return STATUS_NOT_SUPPORTED;
1784
1785 if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
1786 params.key = key;
1787 params.flags = 0;
1788 params.buf = input;
1789 params.len = input_len;
1790 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1791 {
1792 key_destroy( key );
1793 return status;
1794 }
1795
1796 *ret_key = key;
1797 return STATUS_SUCCESS;
1798 }
1799 else if (!wcscmp( type, LEGACY_RSAPRIVATE_BLOB ))
1800 {
1801 BCRYPT_RSAKEY_BLOB *rsa_blob;
1802
1803 status = convert_legacy_rsaprivate_blob( alg, &rsa_blob, &input_len, input, input_len );
1804 if (status != STATUS_SUCCESS)
1805 return status;
1806
1807 status = key_import_pair( alg, BCRYPT_RSAPRIVATE_BLOB, ret_key, (UCHAR *)rsa_blob, input_len );
1808 SecureZeroMemory( rsa_blob, input_len );
1809 free( rsa_blob );
1810 return status;
1811 }
1812 else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ))
1813 {
1814 BCRYPT_DSA_KEY_BLOB *dsa_blob = (BCRYPT_DSA_KEY_BLOB *)input;
1815
1816 if (input_len < sizeof(*dsa_blob)) return STATUS_INVALID_PARAMETER;
1817 if ((alg->id != ALG_ID_DSA) || dsa_blob->dwMagic != BCRYPT_DSA_PUBLIC_MAGIC)
1818 return STATUS_NOT_SUPPORTED;
1819
1820 if ((status = key_asymmetric_create( alg->id, dsa_blob->cbKey * 8, &key ))) return status;
1821 params.key = key;
1822 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1823 params.buf = input;
1824 params.len = input_len;
1825 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1826 {
1827 key_destroy( key );
1828 return status;
1829 }
1830
1831 *ret_key = key;
1832 return STATUS_SUCCESS;
1833 }
1834 else if (!wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ))
1835 {
1836 BLOBHEADER *hdr = (BLOBHEADER *)input;
1837 DSSPUBKEY *pubkey;
1838
1839 if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
1840
1841 if (hdr->bType != PRIVATEKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
1842 {
1843 FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
1844 return STATUS_NOT_SUPPORTED;
1845 }
1846 if (alg->id != ALG_ID_DSA)
1847 {
1848 FIXME( "algorithm %u does not support importing blob of type %s\n", alg->id, debugstr_w(type) );
1849 return STATUS_NOT_SUPPORTED;
1850 }
1851
1852 if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
1853 pubkey = (DSSPUBKEY *)(hdr + 1);
1854 if (pubkey->magic != MAGIC_DSS2) return STATUS_NOT_SUPPORTED;
1855
1856 if (input_len < sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 2 + 40 + sizeof(DSSSEED))
1857 return STATUS_INVALID_PARAMETER;
1858
1859 if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
1860 key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
1861 params.key = key;
1862 params.flags = 0;
1863 params.buf = input;
1864 params.len = input_len;
1865 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1866 {
1867 key_destroy( key );
1868 return status;
1869 }
1870
1871 *ret_key = key;
1872 return STATUS_SUCCESS;
1873 }
1874 else if (!wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB )) /* not supported on native */
1875 {
1876 BLOBHEADER *hdr = (BLOBHEADER *)input;
1877 DSSPUBKEY *pubkey;
1878
1879 if (alg->id != ALG_ID_DSA) return STATUS_NOT_SUPPORTED;
1880 if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
1881
1882 if (hdr->bType != PUBLICKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
1883 {
1884 FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
1885 return STATUS_NOT_SUPPORTED;
1886 }
1887
1888 if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
1889 pubkey = (DSSPUBKEY *)(hdr + 1);
1890 if (pubkey->magic != MAGIC_DSS1) return STATUS_NOT_SUPPORTED;
1891
1892 size = sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 3 + 20 + sizeof(DSSSEED);
1893 if (input_len < size) return STATUS_INVALID_PARAMETER;
1894
1895 if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
1896 key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
1897 params.key = key;
1898 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1899 params.buf = input;
1900 params.len = input_len;
1901 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1902 {
1903 key_destroy( key );
1904 return status;
1905 }
1906
1907 *ret_key = key;
1908 return STATUS_SUCCESS;
1909 }
1910
1911 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1912 return STATUS_NOT_SUPPORTED;
1913 }
1914
1915 NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle,
1916 UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
1917 ULONG flags )
1918 {
1919 struct algorithm *alg = get_alg_object( handle );
1920
1921 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
1922 if (object) FIXME( "ignoring object buffer\n" );
1923 if (!__wine_unixlib_handle)
1924 {
1925 ERR( "no encryption support\n" );
1926 return STATUS_NOT_IMPLEMENTED;
1927 }
1928
1929 if (!alg) return STATUS_INVALID_HANDLE;
1930 return generate_symmetric_key( alg, ret_handle, secret, secret_len );
1931 }
1932
1933 NTSTATUS WINAPI BCryptGenerateKeyPair( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle, ULONG key_len,
1934 ULONG flags )
1935 {
1936 struct algorithm *alg = get_alg_object( handle );
1937 struct key *key;
1938 NTSTATUS status;
1939
1940 TRACE( "%p, %p, %lu, %#lx\n", handle, ret_handle, key_len, flags );
1941
1942 if (!alg) return STATUS_INVALID_HANDLE;
1943 if (!ret_handle) return STATUS_INVALID_PARAMETER;
1944
1945 if ((status = key_asymmetric_create( alg->id, key_len, &key ))) return status;
1946 *ret_handle = key;
1947 return STATUS_SUCCESS;
1948 }
1949
1950 NTSTATUS WINAPI BCryptFinalizeKeyPair( BCRYPT_KEY_HANDLE handle, ULONG flags )
1951 {
1952 struct key *key = get_key_object( handle );
1953
1954 TRACE( "%p, %#lx\n", key, flags );
1955
1956 if (!key) return STATUS_INVALID_HANDLE;
1957 return UNIX_CALL( key_asymmetric_generate, key );
1958 }
1959
1960 NTSTATUS WINAPI BCryptImportKey( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
1961 BCRYPT_KEY_HANDLE *ret_handle, UCHAR *object, ULONG object_len, UCHAR *input,
1962 ULONG input_len, ULONG flags )
1963 {
1964 struct algorithm *alg = get_alg_object( handle );
1965
1966 TRACE( "%p, %p, %s, %p, %p, %lu, %p, %lu, %#lx\n", handle, decrypt_key, debugstr_w(type), ret_handle, object,
1967 object_len, input, input_len, flags );
1968
1969 if (!alg) return STATUS_INVALID_HANDLE;
1970 if (!ret_handle || !type || !input) return STATUS_INVALID_PARAMETER;
1971 if (decrypt_key)
1972 {
1973 FIXME( "decryption of key not yet supported\n" );
1974 return STATUS_NOT_IMPLEMENTED;
1975 }
1976
1977 return key_import( alg, type, ret_handle, object, object_len, input, input_len );
1978 }
1979
1980 NTSTATUS WINAPI BCryptExportKey( BCRYPT_KEY_HANDLE export_key_handle, BCRYPT_KEY_HANDLE encrypt_key_handle,
1981 const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size, ULONG flags )
1982 {
1983 struct key *key = get_key_object( export_key_handle );
1984
1985 TRACE( "%p, %p, %s, %p, %lu, %p, %#lx\n", export_key_handle, encrypt_key_handle, debugstr_w(type), output,
1986 output_len, size, flags );
1987
1988 if (!key) return STATUS_INVALID_HANDLE;
1989 if (!type || !size) return STATUS_INVALID_PARAMETER;
1990 if (encrypt_key_handle)
1991 {
1992 FIXME( "encryption of key not yet supported\n" );
1993 return STATUS_NOT_IMPLEMENTED;
1994 }
1995
1996 return key_export( key, type, output, output_len, size );
1997 }
1998
1999 static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
2000 {
2001 UCHAR *buffer;
2002 NTSTATUS status;
2003
2004 memset( key_copy, 0, sizeof(*key_copy) );
2005 key_copy->hdr = key_orig->hdr;
2006 key_copy->alg_id = key_orig->alg_id;
2007
2008 if (is_symmetric_key( key_orig ))
2009 {
2010 if (!(buffer = malloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
2011 memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
2012
2013 key_copy->u.s.mode = key_orig->u.s.mode;
2014 key_copy->u.s.block_size = key_orig->u.s.block_size;
2015 key_copy->u.s.secret = buffer;
2016 key_copy->u.s.secret_len = key_orig->u.s.secret_len;
2017 InitializeCriticalSection( &key_copy->u.s.cs );
2018 }
2019 else
2020 {
2021 struct key_asymmetric_duplicate_params params;
2022
2023 key_copy->u.a.bitlen = key_orig->u.a.bitlen;
2024 key_copy->u.a.flags = key_orig->u.a.flags;
2025 key_copy->u.a.dss_seed = key_orig->u.a.dss_seed;
2026
2027 params.key_orig = key_orig;
2028 params.key_copy = key_copy;
2029 if ((status = UNIX_CALL( key_asymmetric_duplicate, &params ))) return status;
2030 }
2031
2032 return STATUS_SUCCESS;
2033 }
2034
2035 NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
2036 UCHAR *object, ULONG object_len, ULONG flags )
2037 {
2038 struct key *key_orig = get_key_object( handle );
2039 struct key *key_copy;
2040 NTSTATUS status;
2041
2042 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, object_len, flags );
2043 if (object) FIXME( "ignoring object buffer\n" );
2044
2045 if (!key_orig) return STATUS_INVALID_HANDLE;
2046 if (!handle_copy) return STATUS_INVALID_PARAMETER;
2047 if (!(key_copy = malloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
2048
2049 if ((status = key_duplicate( key_orig, key_copy )))
2050 {
2051 key_destroy( key_copy );
2052 return status;
2053 }
2054
2055 *handle_copy = key_copy;
2056 return STATUS_SUCCESS;
2057 }
2058
2059 static const WCHAR *resolve_blob_type( const WCHAR *type, UCHAR *input, ULONG input_len )
2060 {
2061 BCRYPT_KEY_BLOB *blob = (BCRYPT_KEY_BLOB *)input;
2062
2063 if (!type) return NULL;
2064 if (wcscmp( type, BCRYPT_PUBLIC_KEY_BLOB )) return type;
2065 if (input_len < sizeof(*blob)) return NULL;
2066
2067 switch (blob->Magic)
2068 {
2069 case BCRYPT_ECDH_PUBLIC_P256_MAGIC:
2070 case BCRYPT_ECDH_PUBLIC_P384_MAGIC:
2071 case BCRYPT_ECDSA_PUBLIC_P256_MAGIC:
2072 case BCRYPT_ECDSA_PUBLIC_P384_MAGIC:
2073 return BCRYPT_ECCPUBLIC_BLOB;
2074
2075 case BCRYPT_RSAPUBLIC_MAGIC:
2076 return BCRYPT_RSAPUBLIC_BLOB;
2077
2078 case BCRYPT_DSA_PUBLIC_MAGIC:
2079 return BCRYPT_DSA_PUBLIC_BLOB;
2080
2081 default:
2082 FIXME( "unsupported key magic %#lx\n", blob->Magic );
2083 return NULL;
2084 }
2085 }
2086
2087 NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key_handle, const WCHAR *type,
2088 BCRYPT_KEY_HANDLE *ret_handle, UCHAR *input, ULONG input_len, ULONG flags )
2089 {
2090 struct algorithm *alg = get_alg_object( handle );
2091
2092 TRACE( "%p, %p, %s, %p, %p, %lu, %#lx\n", handle, decrypt_key_handle, debugstr_w(type), ret_handle, input,
2093 input_len, flags );
2094
2095 if (!alg) return STATUS_INVALID_HANDLE;
2096 if (!ret_handle || !input || !(type = resolve_blob_type( type, input, input_len )))
2097 return STATUS_INVALID_PARAMETER;
2098 if (decrypt_key_handle)
2099 {
2100 FIXME( "decryption of key not yet supported\n" );
2101 return STATUS_NOT_IMPLEMENTED;
2102 }
2103
2104 return key_import_pair( alg, type, ret_handle, input, input_len );
2105 }
2106
2107 NTSTATUS WINAPI BCryptSignHash( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *input, ULONG input_len,
2108 UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2109 {
2110 struct key_asymmetric_sign_params params;
2111 struct key *key = get_key_object( handle );
2112
2113 TRACE( "%p, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, padding, input, input_len, output, output_len,
2114 ret_len, flags );
2115
2116 if (!key) return STATUS_INVALID_HANDLE;
2117 if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
2118
2119 params.key = key;
2120 params.padding = padding;
2121 params.input = input;
2122 params.input_len = input_len;
2123 params.output = output;
2124 params.output_len = output_len;
2125 params.ret_len = ret_len;
2126 params.flags = flags;
2127 return UNIX_CALL( key_asymmetric_sign, &params );
2128 }
2129
2130 NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
2131 UCHAR *signature, ULONG signature_len, ULONG flags )
2132 {
2133 struct key_asymmetric_verify_params params;
2134 struct key *key = get_key_object( handle );
2135
2136 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, padding, hash, hash_len, signature, signature_len, flags );
2137
2138 if (!key) return STATUS_INVALID_HANDLE;
2139 if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
2140 if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
2141
2142 params.key = key;
2143 params.padding = padding;
2144 params.hash = hash;
2145 params.hash_len = hash_len;
2146 params.signature = signature;
2147 params.signature_len = signature_len;
2148 params.flags = flags;
2149 return UNIX_CALL( key_asymmetric_verify, &params );
2150 }
2151
2152 NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
2153 {
2154 struct key *key = get_key_object( handle );
2155
2156 TRACE( "%p\n", handle );
2157
2158 if (!key) return STATUS_INVALID_HANDLE;
2159 key_destroy( key );
2160 return STATUS_SUCCESS;
2161 }
2162
2163 NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
2164 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2165 {
2166 struct key *key = get_key_object( handle );
2167 struct key_asymmetric_encrypt_params asymmetric_params;
2168 NTSTATUS ret;
2169
2170 TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
2171 output_len, ret_len, flags );
2172
2173 if (!key) return STATUS_INVALID_HANDLE;
2174
2175 if (is_symmetric_key( key ))
2176 {
2177 if (flags & ~BCRYPT_BLOCK_PADDING)
2178 {
2179 FIXME( "flags %#lx not implemented\n", flags );
2180 return STATUS_NOT_IMPLEMENTED;
2181 }
2182 EnterCriticalSection( &key->u.s.cs );
2183 ret = key_symmetric_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
2184 LeaveCriticalSection( &key->u.s.cs );
2185 }
2186 else
2187 {
2188 if (flags & BCRYPT_PAD_NONE || flags & BCRYPT_PAD_OAEP)
2189 {
2190 FIXME( "flags %#lx not implemented\n", flags );
2191 return STATUS_NOT_IMPLEMENTED;
2192 }
2193 if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
2194
2195 asymmetric_params.input = input;
2196 asymmetric_params.input_len = input_len;
2197 asymmetric_params.key = key;
2198 asymmetric_params.output = output;
2199 asymmetric_params.output_len = output_len;
2200 asymmetric_params.ret_len = ret_len;
2201 ret = UNIX_CALL(key_asymmetric_encrypt, &asymmetric_params);
2202 }
2203
2204 return ret;
2205 }
2206
2207 NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
2208 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2209 {
2210 struct key *key = get_key_object( handle );
2211 struct key_asymmetric_decrypt_params params;
2212 NTSTATUS ret;
2213
2214 TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
2215 output_len, ret_len, flags );
2216
2217 if (!key) return STATUS_INVALID_HANDLE;
2218
2219 if (is_symmetric_key( key ))
2220 {
2221 if (flags & ~BCRYPT_BLOCK_PADDING)
2222 {
2223 FIXME( "flags %#lx not supported\n", flags );
2224 return STATUS_NOT_IMPLEMENTED;
2225 }
2226
2227 EnterCriticalSection( &key->u.s.cs );
2228 ret = key_symmetric_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
2229 LeaveCriticalSection( &key->u.s.cs );
2230 }
2231 else
2232 {
2233 if (flags & BCRYPT_PAD_NONE || flags & BCRYPT_PAD_OAEP)
2234 {
2235 FIXME( "flags %#lx not implemented\n", flags );
2236 return STATUS_NOT_IMPLEMENTED;
2237 }
2238 if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
2239
2240 params.key = key;
2241 params.input = input;
2242 params.input_len = input_len;
2243 params.output = output;
2244 params.output_len = output_len;
2245 params.ret_len = ret_len;
2246 ret = UNIX_CALL(key_asymmetric_decrypt, &params);
2247 }
2248
2249 return ret;
2250 }
2251
2252 NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
2253 {
2254 struct object *object = get_object( handle, 0 );
2255
2256 TRACE( "%p, %s, %p, %lu, %#lx\n", handle, debugstr_w(prop), value, size, flags );
2257
2258 if (!handle) return STATUS_INVALID_HANDLE;
2259 if (is_alg_pseudo_handle( handle )) return STATUS_ACCESS_DENIED;
2260
2261 switch (object->magic)
2262 {
2263 case MAGIC_ALG:
2264 {
2265 struct algorithm *alg = (struct algorithm *)object;
2266 return set_alg_property( alg, prop, value, size, flags );
2267 }
2268 case MAGIC_KEY:
2269 {
2270 struct key *key = (struct key *)object;
2271 return set_key_property( key, prop, value, size, flags );
2272 }
2273 default:
2274 WARN( "unknown magic %#lx\n", object->magic );
2275 return STATUS_INVALID_HANDLE;
2276 }
2277 }
2278
2279 #define HMAC_PAD_LEN 64
2280 NTSTATUS WINAPI BCryptDeriveKeyCapi( BCRYPT_HASH_HANDLE handle, BCRYPT_ALG_HANDLE halg, UCHAR *key, ULONG keylen, ULONG flags )
2281 {
2282 struct hash *hash = get_hash_object( handle );
2283 UCHAR buf[MAX_HASH_OUTPUT_BYTES * 2];
2284 NTSTATUS status;
2285 ULONG len;
2286
2287 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, halg, key, keylen, flags );
2288
2289 if (!hash) return STATUS_INVALID_HANDLE;
2290 if (!key || !keylen) return STATUS_INVALID_PARAMETER;
2291 if (keylen > builtin_algorithms[hash->alg_id].hash_length * 2) return STATUS_INVALID_PARAMETER;
2292 if (halg)
2293 {
2294 FIXME( "algorithm handle not supported\n" );
2295 return STATUS_NOT_IMPLEMENTED;
2296 }
2297
2298 if ((status = hash_finalize( hash, buf ))) return status;
2299
2300 len = builtin_algorithms[hash->alg_id].hash_length;
2301 if (len < keylen)
2302 {
2303 UCHAR pad1[HMAC_PAD_LEN], pad2[HMAC_PAD_LEN];
2304 ULONG i;
2305
2306 for (i = 0; i < sizeof(pad1); i++)
2307 {
2308 pad1[i] = 0x36 ^ (i < len ? buf[i] : 0);
2309 pad2[i] = 0x5c ^ (i < len ? buf[i] : 0);
2310 }
2311
2312 if ((status = hash_prepare( hash )) ||
2313 (status = hash_update( &hash->inner, hash->alg_id, pad1, sizeof(pad1) )) ||
2314 (status = hash_finalize( hash, buf ))) return status;
2315
2316 if ((status = hash_prepare( hash )) ||
2317 (status = hash_update( &hash->inner, hash->alg_id, pad2, sizeof(pad2) )) ||
2318 (status = hash_finalize( hash, buf + len ))) return status;
2319 }
2320
2321 memcpy( key, buf, keylen );
2322 return STATUS_SUCCESS;
2323 }
2324
2325 static NTSTATUS pbkdf2( struct hash *hash, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2326 ULONGLONG iterations, ULONG i, UCHAR *dst, ULONG hash_len )
2327 {
2328 NTSTATUS status = STATUS_INVALID_PARAMETER;
2329 UCHAR bytes[4], *buf;
2330 ULONG j, k;
2331
2332 if (!(buf = malloc( hash_len ))) return STATUS_NO_MEMORY;
2333
2334 for (j = 0; j < iterations; j++)
2335 {
2336 if (j == 0)
2337 {
2338 /* use salt || INT(i) */
2339 if ((status = hash_update( &hash->inner, hash->alg_id, salt, salt_len )))
2340 {
2341 free( buf );
2342 return status;
2343 }
2344 bytes[0] = (i >> 24) & 0xff;
2345 bytes[1] = (i >> 16) & 0xff;
2346 bytes[2] = (i >> 8) & 0xff;
2347 bytes[3] = i & 0xff;
2348 status = hash_update( &hash->inner, hash->alg_id, bytes, 4 );
2349 }
2350 else status = hash_update( &hash->inner, hash->alg_id, buf, hash_len ); /* use U_j */
2351
2352 if (status)
2353 {
2354 free( buf );
2355 return status;
2356 }
2357
2358 if ((status = hash_finalize( hash, buf )))
2359 {
2360 free( buf );
2361 return status;
2362 }
2363
2364 if (j == 0) memcpy( dst, buf, hash_len );
2365 else for (k = 0; k < hash_len; k++) dst[k] ^= buf[k];
2366 }
2367
2368 free( buf );
2369 return status;
2370 }
2371
2372 static NTSTATUS derive_key_pbkdf2( struct algorithm *alg, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2373 ULONGLONG iterations, UCHAR *dk, ULONG dk_len )
2374 {
2375 ULONG hash_len, block_count, bytes_left, i;
2376 struct hash *hash;
2377 UCHAR *partial;
2378 NTSTATUS status;
2379
2380 hash_len = builtin_algorithms[alg->id].hash_length;
2381 if (dk_len <= 0 || dk_len > ((((ULONGLONG)1) << 32) - 1) * hash_len) return STATUS_INVALID_PARAMETER;
2382
2383 block_count = 1 + ((dk_len - 1) / hash_len); /* ceil(dk_len / hash_len) */
2384 bytes_left = dk_len - (block_count - 1) * hash_len;
2385
2386 if ((status = hash_create( alg, pwd, pwd_len, BCRYPT_HASH_REUSABLE_FLAG, &hash ))) return status;
2387
2388 /* full blocks */
2389 for (i = 1; i < block_count; i++)
2390 {
2391 if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, i, dk + ((i - 1) * hash_len), hash_len )))
2392 {
2393 hash_destroy( hash );
2394 return status;
2395 }
2396 }
2397
2398 /* final partial block */
2399 if (!(partial = malloc( hash_len )))
2400 {
2401 hash_destroy( hash );
2402 return STATUS_NO_MEMORY;
2403 }
2404
2405 if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, block_count, partial, hash_len )))
2406 {
2407 hash_destroy( hash );
2408 free( partial );
2409 return status;
2410 }
2411 memcpy( dk + ((block_count - 1) * hash_len), partial, bytes_left );
2412
2413 hash_destroy( hash );
2414 free( partial );
2415 return STATUS_SUCCESS;
2416 }
2417
2418 NTSTATUS WINAPI BCryptDeriveKeyPBKDF2( BCRYPT_ALG_HANDLE handle, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2419 ULONGLONG iterations, UCHAR *dk, ULONG dk_len, ULONG flags )
2420 {
2421 struct algorithm *alg = get_alg_object( handle );
2422
2423 TRACE( "%p, %p, %lu, %p, %lu, %s, %p, %lu, %#lx\n", handle, pwd, pwd_len, salt, salt_len,
2424 wine_dbgstr_longlong(iterations), dk, dk_len, flags );
2425
2426 if (!alg) return STATUS_INVALID_HANDLE;
2427 return derive_key_pbkdf2( alg, pwd, pwd_len, salt, salt_len, iterations, dk, dk_len );
2428 }
2429
2430 NTSTATUS WINAPI BCryptSecretAgreement( BCRYPT_KEY_HANDLE privkey_handle, BCRYPT_KEY_HANDLE pubkey_handle,
2431 BCRYPT_SECRET_HANDLE *ret_handle, ULONG flags )
2432 {
2433 struct key *privkey = get_key_object( privkey_handle );
2434 struct key *pubkey = get_key_object( pubkey_handle );
2435 struct secret *secret;
2436
2437 FIXME( "%p, %p, %p, %#lx\n", privkey_handle, pubkey_handle, ret_handle, flags );
2438
2439 if (!privkey || !pubkey) return STATUS_INVALID_HANDLE;
2440 if (!is_agreement_key( privkey ) || !is_agreement_key( pubkey )) return STATUS_NOT_SUPPORTED;
2441 if (!ret_handle) return STATUS_INVALID_PARAMETER;
2442
2443 if (!(secret = calloc( 1, sizeof(*secret) ))) return STATUS_NO_MEMORY;
2444 secret->hdr.magic = MAGIC_SECRET;
2445
2446 *ret_handle = secret;
2447 return STATUS_SUCCESS;
2448 }
2449
2450 NTSTATUS WINAPI BCryptDestroySecret( BCRYPT_SECRET_HANDLE handle )
2451 {
2452 struct secret *secret = get_secret_object( handle );
2453
2454 FIXME( "%p\n", handle );
2455
2456 if (!secret) return STATUS_INVALID_HANDLE;
2457 destroy_object( &secret->hdr );
2458 return STATUS_SUCCESS;
2459 }
2460
2461 NTSTATUS WINAPI BCryptDeriveKey( BCRYPT_SECRET_HANDLE handle, const WCHAR *kdf, BCryptBufferDesc *parameter,
2462 UCHAR *derived, ULONG derived_size, ULONG *result, ULONG flags )
2463 {
2464 struct secret *secret = get_secret_object( handle );
2465
2466 FIXME( "%p, %s, %p, %p, %lu, %p, %#lx\n", secret, debugstr_w(kdf), parameter, derived, derived_size, result, flags );
2467
2468 if (!secret) return STATUS_INVALID_HANDLE;
2469 if (!kdf) return STATUS_INVALID_PARAMETER;
2470
2471 return STATUS_INTERNAL_ERROR;
2472 }
2473
2474 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
2475 {
2476 switch (reason)
2477 {
2478 case DLL_PROCESS_ATTACH:
2479 DisableThreadLibraryCalls( hinst );
2480 if (!__wine_init_unix_call())
2481 {
2482 if (UNIX_CALL( process_attach, NULL)) __wine_unixlib_handle = 0;
2483 }
2484 break;
2485 case DLL_PROCESS_DETACH:
2486 if (reserved) break;
2487 if (__wine_unixlib_handle) UNIX_CALL( process_detach, NULL );
2488 break;
2489 }
2490 return TRUE;
2491 }
Windows API implementation