?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
dsdmo: Add Flanger effect stub.
[wine.git] / dlls / bcrypt / bcrypt_main.c
blob2c09f03db9a0408cbd638c288990948ad141cc5d
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( 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 switch (key->alg_id)
906 {
907 case ALG_ID_3DES:
908 return get_3des_property( key->u.s.mode, prop, buf, size, ret_size );
909
910 case ALG_ID_AES:
911 if (!wcscmp( prop, BCRYPT_AUTH_TAG_LENGTH )) return STATUS_NOT_SUPPORTED;
912 return get_aes_property( key->u.s.mode, prop, buf, size, ret_size );
913
914 default:
915 FIXME( "unsupported algorithm %u\n", key->alg_id );
916 return STATUS_NOT_IMPLEMENTED;
917 }
918 }
919
920 NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *buffer, ULONG count, ULONG *res,
921 ULONG flags )
922 {
923 struct object *object = get_object( handle, 0 );
924
925 TRACE( "%p, %s, %p, %lu, %p, %#lx\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
926
927 if (!object) return STATUS_INVALID_HANDLE;
928 if (!prop || !res) return STATUS_INVALID_PARAMETER;
929
930 switch (object->magic)
931 {
932 case MAGIC_ALG:
933 {
934 const struct algorithm *alg = (const struct algorithm *)object;
935 return get_alg_property( alg, prop, buffer, count, res );
936 }
937 case MAGIC_KEY:
938 {
939 const struct key *key = (const struct key *)object;
940 return get_key_property( key, prop, buffer, count, res );
941 }
942 case MAGIC_HASH:
943 {
944 const struct hash *hash = (const struct hash *)object;
945 return get_hash_property( hash, prop, buffer, count, res );
946 }
947 default:
948 WARN( "unknown magic %#lx\n", object->magic );
949 return STATUS_INVALID_HANDLE;
950 }
951 }
952
953 static NTSTATUS hash_prepare( struct hash *hash )
954 {
955 UCHAR buffer[MAX_HASH_BLOCK_BITS / 8] = {0};
956 int block_bytes, i;
957 NTSTATUS status;
958
959 /* initialize hash */
960 if ((status = hash_init( &hash->inner, hash->alg_id ))) return status;
961 if (!(hash->flags & HASH_FLAG_HMAC)) return STATUS_SUCCESS;
962
963 /* initialize hmac */
964 if ((status = hash_init( &hash->outer, hash->alg_id ))) return status;
965 block_bytes = builtin_algorithms[hash->alg_id].block_bits / 8;
966 if (hash->secret_len > block_bytes)
967 {
968 struct hash_impl temp;
969 if ((status = hash_init( &temp, hash->alg_id ))) return status;
970 if ((status = hash_update( &temp, hash->alg_id, hash->secret, hash->secret_len ))) return status;
971 if ((status = hash_finish( &temp, hash->alg_id, buffer ))) return status;
972 }
973 else memcpy( buffer, hash->secret, hash->secret_len );
974
975 for (i = 0; i < block_bytes; i++) buffer[i] ^= 0x5c;
976 if ((status = hash_update( &hash->outer, hash->alg_id, buffer, block_bytes ))) return status;
977 for (i = 0; i < block_bytes; i++) buffer[i] ^= (0x5c ^ 0x36);
978 return hash_update( &hash->inner, hash->alg_id, buffer, block_bytes );
979 }
980
981 static NTSTATUS hash_create( const struct algorithm *alg, UCHAR *secret, ULONG secret_len, ULONG flags,
982 struct hash **ret_hash )
983 {
984 struct hash *hash;
985 NTSTATUS status;
986
987 if (!(hash = calloc( 1, sizeof(*hash) ))) return STATUS_NO_MEMORY;
988 hash->hdr.magic = MAGIC_HASH;
989 hash->alg_id = alg->id;
990 if (alg->flags & BCRYPT_ALG_HANDLE_HMAC_FLAG) hash->flags = HASH_FLAG_HMAC;
991 if ((alg->flags & BCRYPT_HASH_REUSABLE_FLAG) || (flags & BCRYPT_HASH_REUSABLE_FLAG))
992 hash->flags |= HASH_FLAG_REUSABLE;
993
994 if (secret_len && !(hash->secret = malloc( secret_len )))
995 {
996 free( hash );
997 return STATUS_NO_MEMORY;
998 }
999 memcpy( hash->secret, secret, secret_len );
1000 hash->secret_len = secret_len;
1001
1002 if ((status = hash_prepare( hash )))
1003 {
1004 free( hash->secret );
1005 free( hash );
1006 return status;
1007 }
1008
1009 *ret_hash = hash;
1010 return STATUS_SUCCESS;
1011 }
1012
1013 NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE handle, BCRYPT_HASH_HANDLE *ret_handle, UCHAR *object,
1014 ULONG object_len, UCHAR *secret, ULONG secret_len, ULONG flags )
1015 {
1016 struct algorithm *alg = get_alg_object( handle );
1017 struct hash *hash;
1018 NTSTATUS status;
1019
1020 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
1021 if (flags & ~BCRYPT_HASH_REUSABLE_FLAG)
1022 {
1023 FIXME( "unimplemented flags %#lx\n", flags );
1024 return STATUS_NOT_IMPLEMENTED;
1025 }
1026 if (object) FIXME( "ignoring object buffer\n" );
1027
1028 if (!alg) return STATUS_INVALID_HANDLE;
1029 if (!ret_handle) return STATUS_INVALID_PARAMETER;
1030
1031 if ((status = hash_create( alg, secret, secret_len, flags, &hash ))) return status;
1032 *ret_handle = hash;
1033 return STATUS_SUCCESS;
1034 }
1035
1036 NTSTATUS WINAPI BCryptDuplicateHash( BCRYPT_HASH_HANDLE handle, BCRYPT_HASH_HANDLE *handle_copy,
1037 UCHAR *object, ULONG objectlen, ULONG flags )
1038 {
1039 struct hash *hash_orig = get_hash_object( handle );
1040 struct hash *hash_copy;
1041
1042 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, objectlen, flags );
1043
1044 if (!hash_orig) return STATUS_INVALID_HANDLE;
1045 if (!handle_copy) return STATUS_INVALID_PARAMETER;
1046 if (object) FIXME( "ignoring object buffer\n" );
1047
1048 if (!(hash_copy = malloc( sizeof(*hash_copy) ))) return STATUS_NO_MEMORY;
1049
1050 memcpy( hash_copy, hash_orig, sizeof(*hash_orig) );
1051 if (hash_orig->secret && !(hash_copy->secret = malloc( hash_orig->secret_len )))
1052 {
1053 free( hash_copy );
1054 return STATUS_NO_MEMORY;
1055 }
1056 memcpy( hash_copy->secret, hash_orig->secret, hash_orig->secret_len );
1057
1058 *handle_copy = hash_copy;
1059 return STATUS_SUCCESS;
1060 }
1061
1062 static void hash_destroy( struct hash *hash )
1063 {
1064 if (!hash) return;
1065 free( hash->secret );
1066 destroy_object( &hash->hdr );
1067 }
1068
1069 NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
1070 {
1071 struct hash *hash = get_hash_object( handle );
1072
1073 TRACE( "%p\n", handle );
1074
1075 if (!hash) return STATUS_INVALID_PARAMETER;
1076 hash_destroy( hash );
1077 return STATUS_SUCCESS;
1078 }
1079
1080 NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
1081 {
1082 struct hash *hash = get_hash_object( handle );
1083
1084 TRACE( "%p, %p, %lu, %#lx\n", handle, input, size, flags );
1085
1086 if (!hash) return STATUS_INVALID_HANDLE;
1087 if (!input) return STATUS_SUCCESS;
1088
1089 return hash_update( &hash->inner, hash->alg_id, input, size );
1090 }
1091
1092 static NTSTATUS hash_finalize( struct hash *hash, UCHAR *output )
1093 {
1094 UCHAR buffer[MAX_HASH_OUTPUT_BYTES];
1095 ULONG hash_length = builtin_algorithms[hash->alg_id].hash_length;
1096 NTSTATUS status;
1097
1098 if (!(hash->flags & HASH_FLAG_HMAC))
1099 {
1100 if ((status = hash_finish( &hash->inner, hash->alg_id, output ))) return status;
1101 if (hash->flags & HASH_FLAG_REUSABLE) return hash_prepare( hash );
1102 return STATUS_SUCCESS;
1103 }
1104
1105 if ((status = hash_finish( &hash->inner, hash->alg_id, buffer ))) return status;
1106 if ((status = hash_update( &hash->outer, hash->alg_id, buffer, hash_length ))) return status;
1107 if ((status = hash_finish( &hash->outer, hash->alg_id, output ))) return status;
1108
1109 if (hash->flags & HASH_FLAG_REUSABLE) return hash_prepare( hash );
1110 return STATUS_SUCCESS;
1111 }
1112
1113 NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
1114 {
1115 struct hash *hash = get_hash_object( handle );
1116
1117 TRACE( "%p, %p, %lu, %#lx\n", handle, output, size, flags );
1118
1119 if (!hash) return STATUS_INVALID_HANDLE;
1120 if (!output || size != builtin_algorithms[hash->alg_id].hash_length) return STATUS_INVALID_PARAMETER;
1121
1122 return hash_finalize( hash, output );
1123 }
1124
1125 NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE handle, UCHAR *secret, ULONG secret_len,
1126 UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len )
1127 {
1128 struct algorithm *alg = get_alg_object( handle );
1129 struct hash *hash;
1130 NTSTATUS status;
1131
1132 TRACE( "%p, %p, %lu, %p, %lu, %p, %lu\n", handle, secret, secret_len, input, input_len, output, output_len );
1133
1134 if (!alg) return STATUS_INVALID_HANDLE;
1135 if (!output) return STATUS_INVALID_PARAMETER;
1136
1137 if ((status = hash_create( alg, secret, secret_len, 0, &hash ))) return status;
1138 if (output_len != builtin_algorithms[hash->alg_id].hash_length)
1139 {
1140 hash_destroy( hash );
1141 return STATUS_INVALID_PARAMETER;
1142 }
1143 if ((status = hash_update( &hash->inner, hash->alg_id, input, input_len )))
1144 {
1145 hash_destroy( hash );
1146 return status;
1147 }
1148 status = hash_finalize( hash, output );
1149 hash_destroy( hash );
1150 return status;
1151 }
1152
1153 static NTSTATUS key_asymmetric_create( enum alg_id alg_id, ULONG bitlen, struct key **ret_key )
1154 {
1155 struct key *key;
1156
1157 if (!__wine_unixlib_handle)
1158 {
1159 ERR( "no encryption support\n" );
1160 return STATUS_NOT_IMPLEMENTED;
1161 }
1162
1163 if (!(key = calloc( 1, sizeof(*key) ))) return STATUS_NO_MEMORY;
1164 key->hdr.magic = MAGIC_KEY;
1165 key->alg_id = alg_id;
1166 key->u.a.bitlen = bitlen;
1167
1168 *ret_key = key;
1169 return STATUS_SUCCESS;
1170 }
1171
1172 static BOOL is_equal_vector( const UCHAR *vector, ULONG len, const UCHAR *vector2, ULONG len2 )
1173 {
1174 if (!vector && !vector2) return TRUE;
1175 if (len != len2) return FALSE;
1176 return !memcmp( vector, vector2, len );
1177 }
1178
1179 static NTSTATUS key_symmetric_set_vector( struct key *key, UCHAR *vector, ULONG vector_len, BOOL force_reset )
1180 {
1181 BOOL needs_reset = force_reset || !is_equal_vector( key->u.s.vector, key->u.s.vector_len, vector, vector_len );
1182 if (vector)
1183 {
1184 free( key->u.s.vector );
1185 key->u.s.vector = NULL;
1186 key->u.s.vector_len = 0;
1187
1188 if (!(key->u.s.vector = malloc( vector_len ))) return STATUS_NO_MEMORY;
1189 memcpy( key->u.s.vector, vector, vector_len );
1190 key->u.s.vector_len = vector_len;
1191 }
1192 if (needs_reset) UNIX_CALL( key_symmetric_vector_reset, key );
1193 return STATUS_SUCCESS;
1194 }
1195
1196 static struct key *create_symmetric_key( enum alg_id alg, enum chain_mode mode, ULONG block_size, UCHAR *secret,
1197 ULONG secret_len )
1198 {
1199 struct key *ret;
1200
1201 if (!(ret = calloc( 1, sizeof(*ret) ))) return NULL;
1202 InitializeCriticalSection( &ret->u.s.cs );
1203 ret->hdr.magic = MAGIC_KEY;
1204 ret->alg_id = alg;
1205 ret->u.s.mode = mode;
1206 ret->u.s.block_size = block_size;
1207
1208 if (!(ret->u.s.secret = malloc( secret_len )))
1209 {
1210 DeleteCriticalSection( &ret->u.s.cs );
1211 free( ret );
1212 return NULL;
1213 }
1214 memcpy( ret->u.s.secret, secret, secret_len );
1215 ret->u.s.secret_len = secret_len;
1216
1217 return ret;
1218 }
1219
1220 static ULONG get_block_size( struct algorithm *alg )
1221 {
1222 ULONG ret = 0, size = sizeof(ret);
1223 get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
1224 return ret;
1225 }
1226
1227 static NTSTATUS generate_symmetric_key( struct algorithm *alg, BCRYPT_KEY_HANDLE *ret_handle, UCHAR *secret,
1228 ULONG secret_len )
1229 {
1230 BCRYPT_KEY_LENGTHS_STRUCT key_lengths;
1231 ULONG block_size, size;
1232 struct key *key;
1233 NTSTATUS status;
1234
1235 if (!(block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
1236 if (!get_alg_property( alg, BCRYPT_KEY_LENGTHS, (UCHAR *)&key_lengths, sizeof(key_lengths), &size ))
1237 {
1238 if (secret_len > (size = key_lengths.dwMaxLength / 8))
1239 {
1240 WARN( "secret_len %lu exceeds key max length %lu, setting to maximum\n", secret_len, size );
1241 secret_len = size;
1242 }
1243 else if (secret_len < (size = key_lengths.dwMinLength / 8))
1244 {
1245 WARN( "secret_len %lu is less than minimum key length %lu\n", secret_len, size );
1246 return STATUS_INVALID_PARAMETER;
1247 }
1248 else if (key_lengths.dwIncrement && (secret_len * 8 - key_lengths.dwMinLength) % key_lengths.dwIncrement)
1249 {
1250 WARN( "secret_len %lu is not a valid key length\n", secret_len );
1251 return STATUS_INVALID_PARAMETER;
1252 }
1253 }
1254
1255 if (!(key = create_symmetric_key( alg->id, alg->mode, block_size, secret, secret_len ))) status = STATUS_NO_MEMORY;
1256 else
1257 {
1258 *ret_handle = key;
1259 status = STATUS_SUCCESS;
1260 }
1261
1262 return status;
1263 }
1264
1265 static NTSTATUS key_import( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
1266 ULONG object_len, UCHAR *input, ULONG input_len )
1267 {
1268 ULONG len;
1269
1270 if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
1271 {
1272 BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
1273
1274 if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
1275 if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
1276 if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
1277 {
1278 FIXME( "unknown key data blob version %lu\n", header->dwVersion );
1279 return STATUS_INVALID_PARAMETER;
1280 }
1281 len = header->cbKeyData;
1282 if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
1283
1284 return generate_symmetric_key( alg, key, (UCHAR *)&header[1], len );
1285 }
1286 else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
1287 {
1288 if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
1289 len = *(ULONG *)input;
1290 if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
1291
1292 return generate_symmetric_key( alg, key, input + sizeof(len), len );
1293 }
1294
1295 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1296 return STATUS_NOT_IMPLEMENTED;
1297 }
1298
1299 static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
1300 {
1301 struct key_asymmetric_export_params params;
1302
1303 if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
1304 {
1305 BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
1306 ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->u.s.secret_len;
1307
1308 *size = req_size;
1309 if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
1310 if (output)
1311 {
1312 header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
1313 header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
1314 header->cbKeyData = key->u.s.secret_len;
1315 memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
1316 }
1317 return STATUS_SUCCESS;
1318 }
1319 else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
1320 {
1321 ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
1322
1323 *size = req_size;
1324 if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
1325 if (output)
1326 {
1327 *(ULONG *)output = key->u.s.secret_len;
1328 memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
1329 }
1330 return STATUS_SUCCESS;
1331 }
1332 else if (!wcscmp( type, BCRYPT_DSA_PRIVATE_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ) ||
1333 !wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ))
1334 {
1335 params.key = key;
1336 params.flags = 0;
1337 params.buf = output;
1338 params.len = output_len;
1339 params.ret_len = size;
1340 return UNIX_CALL( key_asymmetric_export, &params );
1341 }
1342 else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
1343 {
1344 params.key = key;
1345 params.flags = (wcscmp( type, BCRYPT_RSAPRIVATE_BLOB )) ? KEY_EXPORT_FLAG_RSA_FULL : 0;
1346 params.buf = output;
1347 params.len = output_len;
1348 params.ret_len = size;
1349 return UNIX_CALL( key_asymmetric_export, &params );
1350 }
1351 else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB ) ||
1352 !wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ) || !wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ))
1353 {
1354 params.key = key;
1355 params.flags = KEY_EXPORT_FLAG_PUBLIC;
1356 params.buf = output;
1357 params.len = output_len;
1358 params.ret_len = size;
1359 return UNIX_CALL( key_asymmetric_export, &params );
1360 }
1361
1362 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1363 return STATUS_NOT_IMPLEMENTED;
1364 }
1365
1366 static NTSTATUS key_symmetric_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
1367 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
1368 {
1369 struct key_symmetric_set_auth_data_params auth_params;
1370 struct key_symmetric_encrypt_params encrypt_params;
1371 struct key_symmetric_get_tag_params tag_params;
1372 ULONG bytes_left = input_len;
1373 UCHAR *buf;
1374 NTSTATUS status;
1375
1376 if (key->u.s.mode == CHAIN_MODE_GCM)
1377 {
1378 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
1379
1380 if (!auth_info) return STATUS_INVALID_PARAMETER;
1381 if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
1382 if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
1383 if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
1384 if (auth_info->dwFlags & BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG)
1385 FIXME( "call chaining not implemented\n" );
1386
1387 if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
1388 return status;
1389
1390 *ret_len = input_len;
1391 if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
1392 if (input && !output) return STATUS_SUCCESS;
1393 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1394
1395 auth_params.key = key;
1396 auth_params.auth_data = auth_info->pbAuthData;
1397 auth_params.len = auth_info->cbAuthData;
1398 if ((status = UNIX_CALL( key_symmetric_set_auth_data, &auth_params ))) return status;
1399
1400 encrypt_params.key = key;
1401 encrypt_params.input = input;
1402 encrypt_params.input_len = input_len;
1403 encrypt_params.output = output;
1404 encrypt_params.output_len = output_len;
1405 if ((status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params ))) return status;
1406
1407 tag_params.key = key;
1408 tag_params.tag = auth_info->pbTag;
1409 tag_params.len = auth_info->cbTag;
1410 return UNIX_CALL( key_symmetric_get_tag, &tag_params );
1411 }
1412
1413 *ret_len = input_len;
1414
1415 if (flags & BCRYPT_BLOCK_PADDING)
1416 *ret_len = (input_len + key->u.s.block_size) & ~(key->u.s.block_size - 1);
1417 else if (input_len & (key->u.s.block_size - 1))
1418 return STATUS_INVALID_BUFFER_SIZE;
1419
1420 if (!output) return STATUS_SUCCESS;
1421 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1422 if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
1423 if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
1424
1425 encrypt_params.key = key;
1426 encrypt_params.input = input;
1427 encrypt_params.input_len = key->u.s.block_size;
1428 encrypt_params.output = output;
1429 encrypt_params.output_len = key->u.s.block_size;
1430 while (bytes_left >= key->u.s.block_size)
1431 {
1432 if ((status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params )))
1433 return status;
1434 if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
1435 return status;
1436 bytes_left -= key->u.s.block_size;
1437 encrypt_params.input += key->u.s.block_size;
1438 encrypt_params.output += key->u.s.block_size;
1439 }
1440
1441 if (flags & BCRYPT_BLOCK_PADDING)
1442 {
1443 if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
1444 memcpy( buf, encrypt_params.input, bytes_left );
1445 memset( buf + bytes_left, key->u.s.block_size - bytes_left, key->u.s.block_size - bytes_left );
1446 encrypt_params.input = buf;
1447 status = UNIX_CALL( key_symmetric_encrypt, &encrypt_params );
1448 free( buf );
1449 }
1450
1451 if (!status)
1452 {
1453 if (key->u.s.vector && *ret_len >= key->u.s.vector_len)
1454 {
1455 memcpy( key->u.s.vector, output + *ret_len - key->u.s.vector_len, key->u.s.vector_len );
1456 if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
1457 }
1458 else FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
1459 }
1460
1461 return status;
1462 }
1463
1464 static NTSTATUS key_symmetric_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
1465 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
1466 {
1467 struct key_symmetric_set_auth_data_params auth_params;
1468 struct key_symmetric_decrypt_params decrypt_params;
1469 struct key_symmetric_get_tag_params tag_params;
1470 ULONG bytes_left = input_len;
1471 NTSTATUS status;
1472
1473 if (key->u.s.mode == CHAIN_MODE_GCM)
1474 {
1475 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
1476 UCHAR tag[16];
1477
1478 if (!auth_info) return STATUS_INVALID_PARAMETER;
1479 if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
1480 if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
1481 if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
1482
1483 if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
1484 return status;
1485
1486 *ret_len = input_len;
1487 if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
1488 if (!output) return STATUS_SUCCESS;
1489 if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1490
1491 auth_params.key = key;
1492 auth_params.auth_data = auth_info->pbAuthData;
1493 auth_params.len = auth_info->cbAuthData;
1494 if ((status = UNIX_CALL( key_symmetric_set_auth_data, &auth_params ))) return status;
1495
1496 decrypt_params.key = key;
1497 decrypt_params.input = input;
1498 decrypt_params.input_len = input_len;
1499 decrypt_params.output = output;
1500 decrypt_params.output_len = output_len;
1501 if ((status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params ))) return status;
1502
1503 tag_params.key = key;
1504 tag_params.tag = tag;
1505 tag_params.len = sizeof(tag);
1506 if ((status = UNIX_CALL( key_symmetric_get_tag, &tag_params ))) return status;
1507 if (memcmp( tag, auth_info->pbTag, auth_info->cbTag )) return STATUS_AUTH_TAG_MISMATCH;
1508
1509 return STATUS_SUCCESS;
1510 }
1511
1512 *ret_len = input_len;
1513
1514 if (input_len & (key->u.s.block_size - 1)) return STATUS_INVALID_BUFFER_SIZE;
1515 if (!output) return STATUS_SUCCESS;
1516 if (flags & BCRYPT_BLOCK_PADDING)
1517 {
1518 if (output_len + key->u.s.block_size < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1519 if (input_len < key->u.s.block_size) return STATUS_BUFFER_TOO_SMALL;
1520 bytes_left -= key->u.s.block_size;
1521 }
1522 else if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
1523
1524 if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
1525 if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
1526
1527 decrypt_params.key = key;
1528 decrypt_params.input = input;
1529 decrypt_params.input_len = key->u.s.block_size;
1530 decrypt_params.output = output;
1531 decrypt_params.output_len = key->u.s.block_size;
1532 while (bytes_left >= key->u.s.block_size)
1533 {
1534 if ((status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params ))) return status;
1535 if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
1536 return status;
1537 bytes_left -= key->u.s.block_size;
1538 decrypt_params.input += key->u.s.block_size;
1539 decrypt_params.output += key->u.s.block_size;
1540 }
1541
1542 if (flags & BCRYPT_BLOCK_PADDING)
1543 {
1544 UCHAR *buf, *dst = decrypt_params.output;
1545 if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
1546 decrypt_params.output = buf;
1547 status = UNIX_CALL( key_symmetric_decrypt, &decrypt_params );
1548 if (!status && buf[ key->u.s.block_size - 1 ] <= key->u.s.block_size)
1549 {
1550 *ret_len -= buf[ key->u.s.block_size - 1 ];
1551 if (output_len < *ret_len) status = STATUS_BUFFER_TOO_SMALL;
1552 else memcpy( dst, buf, key->u.s.block_size - buf[ key->u.s.block_size - 1 ] );
1553 }
1554 else status = STATUS_UNSUCCESSFUL; /* FIXME: invalid padding */
1555 free( buf );
1556 }
1557
1558 if (!status)
1559 {
1560 if (key->u.s.vector && input_len >= key->u.s.vector_len)
1561 {
1562 memcpy( key->u.s.vector, input + input_len - key->u.s.vector_len, key->u.s.vector_len );
1563 if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
1564 }
1565 else FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
1566 }
1567
1568 return status;
1569 }
1570
1571 static void key_destroy( struct key *key )
1572 {
1573 if (is_symmetric_key( key ))
1574 {
1575 UNIX_CALL( key_symmetric_destroy, key );
1576 free( key->u.s.vector );
1577 free( key->u.s.secret );
1578 DeleteCriticalSection( &key->u.s.cs );
1579 }
1580 else
1581 UNIX_CALL( key_asymmetric_destroy, key );
1582
1583 destroy_object( &key->hdr );
1584 }
1585
1586 static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
1587 ULONG input_len )
1588 {
1589 struct key_asymmetric_import_params params;
1590 struct key *key;
1591 NTSTATUS status;
1592 ULONG size;
1593
1594 if (!wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ))
1595 {
1596 BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
1597 DWORD key_size, magic;
1598
1599 if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
1600
1601 switch (alg->id)
1602 {
1603 case ALG_ID_ECDH_P256:
1604 key_size = 32;
1605 magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC;
1606 break;
1607
1608 case ALG_ID_ECDH_P384:
1609 key_size = 48;
1610 magic = BCRYPT_ECDH_PUBLIC_P384_MAGIC;
1611 break;
1612
1613 case ALG_ID_ECDSA_P256:
1614 key_size = 32;
1615 magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
1616 break;
1617
1618 case ALG_ID_ECDSA_P384:
1619 key_size = 48;
1620 magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
1621 break;
1622
1623 default:
1624 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
1625 return STATUS_NOT_SUPPORTED;
1626 }
1627
1628 if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
1629 if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 2)
1630 return STATUS_INVALID_PARAMETER;
1631
1632 if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
1633 params.key = key;
1634 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1635 params.buf = input;
1636 params.len = input_len;
1637 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1638 {
1639 key_destroy( key );
1640 return status;
1641 }
1642
1643 *ret_key = key;
1644 return STATUS_SUCCESS;
1645 }
1646 else if (!wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ))
1647 {
1648 BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
1649 DWORD key_size, magic;
1650
1651 if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
1652
1653 switch (alg->id)
1654 {
1655 case ALG_ID_ECDH_P256:
1656 key_size = 32;
1657 magic = BCRYPT_ECDH_PRIVATE_P256_MAGIC;
1658 break;
1659
1660 case ALG_ID_ECDH_P384:
1661 key_size = 48;
1662 magic = BCRYPT_ECDH_PRIVATE_P384_MAGIC;
1663 break;
1664
1665 case ALG_ID_ECDSA_P256:
1666 key_size = 32;
1667 magic = BCRYPT_ECDSA_PRIVATE_P256_MAGIC;
1668 break;
1669
1670 default:
1671 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
1672 return STATUS_NOT_SUPPORTED;
1673 }
1674
1675 if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
1676 if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 3)
1677 return STATUS_INVALID_PARAMETER;
1678
1679 if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
1680 params.key = key;
1681 params.flags = 0;
1682 params.buf = input;
1683 params.len = input_len;
1684 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1685 {
1686 key_destroy( key );
1687 return status;
1688 }
1689
1690 *ret_key = key;
1691 return STATUS_SUCCESS;
1692 }
1693 else if (!wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ))
1694 {
1695 BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
1696
1697 if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
1698 if ((alg->id != ALG_ID_RSA && alg->id != ALG_ID_RSA_SIGN) || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC)
1699 return STATUS_NOT_SUPPORTED;
1700
1701 size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
1702 if (size != input_len) return NTE_BAD_DATA;
1703
1704 if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
1705 params.key = key;
1706 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1707 params.buf = input;
1708 params.len = input_len;
1709 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1710 {
1711 key_destroy( key );
1712 return status;
1713 }
1714
1715 *ret_key = key;
1716 return STATUS_SUCCESS;
1717 }
1718 else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
1719 {
1720 BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
1721
1722 if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
1723 if (alg->id != ALG_ID_RSA || (rsa_blob->Magic != BCRYPT_RSAPRIVATE_MAGIC &&
1724 rsa_blob->Magic != BCRYPT_RSAFULLPRIVATE_MAGIC)) return STATUS_NOT_SUPPORTED;
1725
1726 if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
1727 params.key = key;
1728 params.flags = 0;
1729 params.buf = input;
1730 params.len = input_len;
1731 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1732 {
1733 key_destroy( key );
1734 return status;
1735 }
1736
1737 *ret_key = key;
1738 return STATUS_SUCCESS;
1739 }
1740 else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ))
1741 {
1742 BCRYPT_DSA_KEY_BLOB *dsa_blob = (BCRYPT_DSA_KEY_BLOB *)input;
1743
1744 if (input_len < sizeof(*dsa_blob)) return STATUS_INVALID_PARAMETER;
1745 if ((alg->id != ALG_ID_DSA) || dsa_blob->dwMagic != BCRYPT_DSA_PUBLIC_MAGIC)
1746 return STATUS_NOT_SUPPORTED;
1747
1748 if ((status = key_asymmetric_create( alg->id, dsa_blob->cbKey * 8, &key ))) return status;
1749 params.key = key;
1750 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1751 params.buf = input;
1752 params.len = input_len;
1753 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1754 {
1755 key_destroy( key );
1756 return status;
1757 }
1758
1759 *ret_key = key;
1760 return STATUS_SUCCESS;
1761 }
1762 else if (!wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ))
1763 {
1764 BLOBHEADER *hdr = (BLOBHEADER *)input;
1765 DSSPUBKEY *pubkey;
1766
1767 if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
1768
1769 if (hdr->bType != PRIVATEKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
1770 {
1771 FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
1772 return STATUS_NOT_SUPPORTED;
1773 }
1774 if (alg->id != ALG_ID_DSA)
1775 {
1776 FIXME( "algorithm %u does not support importing blob of type %s\n", alg->id, debugstr_w(type) );
1777 return STATUS_NOT_SUPPORTED;
1778 }
1779
1780 if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
1781 pubkey = (DSSPUBKEY *)(hdr + 1);
1782 if (pubkey->magic != MAGIC_DSS2) return STATUS_NOT_SUPPORTED;
1783
1784 if (input_len < sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 2 + 40 + sizeof(DSSSEED))
1785 return STATUS_INVALID_PARAMETER;
1786
1787 if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
1788 key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
1789 params.key = key;
1790 params.flags = 0;
1791 params.buf = input;
1792 params.len = input_len;
1793 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1794 {
1795 key_destroy( key );
1796 return status;
1797 }
1798
1799 *ret_key = key;
1800 return STATUS_SUCCESS;
1801 }
1802 else if (!wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB )) /* not supported on native */
1803 {
1804 BLOBHEADER *hdr = (BLOBHEADER *)input;
1805 DSSPUBKEY *pubkey;
1806
1807 if (alg->id != ALG_ID_DSA) return STATUS_NOT_SUPPORTED;
1808 if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
1809
1810 if (hdr->bType != PUBLICKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
1811 {
1812 FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
1813 return STATUS_NOT_SUPPORTED;
1814 }
1815
1816 if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
1817 pubkey = (DSSPUBKEY *)(hdr + 1);
1818 if (pubkey->magic != MAGIC_DSS1) return STATUS_NOT_SUPPORTED;
1819
1820 size = sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 3 + 20 + sizeof(DSSSEED);
1821 if (input_len < size) return STATUS_INVALID_PARAMETER;
1822
1823 if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
1824 key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
1825 params.key = key;
1826 params.flags = KEY_IMPORT_FLAG_PUBLIC;
1827 params.buf = input;
1828 params.len = input_len;
1829 if ((status = UNIX_CALL( key_asymmetric_import, &params )))
1830 {
1831 key_destroy( key );
1832 return status;
1833 }
1834
1835 *ret_key = key;
1836 return STATUS_SUCCESS;
1837 }
1838
1839 FIXME( "unsupported key type %s\n", debugstr_w(type) );
1840 return STATUS_NOT_SUPPORTED;
1841 }
1842
1843 NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle,
1844 UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
1845 ULONG flags )
1846 {
1847 struct algorithm *alg = get_alg_object( handle );
1848
1849 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
1850 if (object) FIXME( "ignoring object buffer\n" );
1851 if (!__wine_unixlib_handle)
1852 {
1853 ERR( "no encryption support\n" );
1854 return STATUS_NOT_IMPLEMENTED;
1855 }
1856
1857 if (!alg) return STATUS_INVALID_HANDLE;
1858 return generate_symmetric_key( alg, ret_handle, secret, secret_len );
1859 }
1860
1861 NTSTATUS WINAPI BCryptGenerateKeyPair( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle, ULONG key_len,
1862 ULONG flags )
1863 {
1864 struct algorithm *alg = get_alg_object( handle );
1865 struct key *key;
1866 NTSTATUS status;
1867
1868 TRACE( "%p, %p, %lu, %#lx\n", handle, ret_handle, key_len, flags );
1869
1870 if (!alg) return STATUS_INVALID_HANDLE;
1871 if (!ret_handle) return STATUS_INVALID_PARAMETER;
1872
1873 if ((status = key_asymmetric_create( alg->id, key_len, &key ))) return status;
1874 *ret_handle = key;
1875 return STATUS_SUCCESS;
1876 }
1877
1878 NTSTATUS WINAPI BCryptFinalizeKeyPair( BCRYPT_KEY_HANDLE handle, ULONG flags )
1879 {
1880 struct key *key = get_key_object( handle );
1881
1882 TRACE( "%p, %#lx\n", key, flags );
1883
1884 if (!key) return STATUS_INVALID_HANDLE;
1885 return UNIX_CALL( key_asymmetric_generate, key );
1886 }
1887
1888 NTSTATUS WINAPI BCryptImportKey( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
1889 BCRYPT_KEY_HANDLE *ret_handle, UCHAR *object, ULONG object_len, UCHAR *input,
1890 ULONG input_len, ULONG flags )
1891 {
1892 struct algorithm *alg = get_alg_object( handle );
1893
1894 TRACE( "%p, %p, %s, %p, %p, %lu, %p, %lu, %#lx\n", handle, decrypt_key, debugstr_w(type), ret_handle, object,
1895 object_len, input, input_len, flags );
1896
1897 if (!alg) return STATUS_INVALID_HANDLE;
1898 if (!ret_handle || !type || !input) return STATUS_INVALID_PARAMETER;
1899 if (decrypt_key)
1900 {
1901 FIXME( "decryption of key not yet supported\n" );
1902 return STATUS_NOT_IMPLEMENTED;
1903 }
1904
1905 return key_import( alg, type, ret_handle, object, object_len, input, input_len );
1906 }
1907
1908 NTSTATUS WINAPI BCryptExportKey( BCRYPT_KEY_HANDLE export_key_handle, BCRYPT_KEY_HANDLE encrypt_key_handle,
1909 const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size, ULONG flags )
1910 {
1911 struct key *key = get_key_object( export_key_handle );
1912
1913 TRACE( "%p, %p, %s, %p, %lu, %p, %#lx\n", export_key_handle, encrypt_key_handle, debugstr_w(type), output,
1914 output_len, size, flags );
1915
1916 if (!key) return STATUS_INVALID_HANDLE;
1917 if (!type || !size) return STATUS_INVALID_PARAMETER;
1918 if (encrypt_key_handle)
1919 {
1920 FIXME( "encryption of key not yet supported\n" );
1921 return STATUS_NOT_IMPLEMENTED;
1922 }
1923
1924 return key_export( key, type, output, output_len, size );
1925 }
1926
1927 static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
1928 {
1929 UCHAR *buffer;
1930 NTSTATUS status;
1931
1932 memset( key_copy, 0, sizeof(*key_copy) );
1933 key_copy->hdr = key_orig->hdr;
1934 key_copy->alg_id = key_orig->alg_id;
1935
1936 if (is_symmetric_key( key_orig ))
1937 {
1938 if (!(buffer = malloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
1939 memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
1940
1941 key_copy->u.s.mode = key_orig->u.s.mode;
1942 key_copy->u.s.block_size = key_orig->u.s.block_size;
1943 key_copy->u.s.secret = buffer;
1944 key_copy->u.s.secret_len = key_orig->u.s.secret_len;
1945 InitializeCriticalSection( &key_copy->u.s.cs );
1946 }
1947 else
1948 {
1949 struct key_asymmetric_duplicate_params params;
1950
1951 key_copy->u.a.bitlen = key_orig->u.a.bitlen;
1952 key_copy->u.a.flags = key_orig->u.a.flags;
1953 key_copy->u.a.dss_seed = key_orig->u.a.dss_seed;
1954
1955 params.key_orig = key_orig;
1956 params.key_copy = key_copy;
1957 if ((status = UNIX_CALL( key_asymmetric_duplicate, &params ))) return status;
1958 }
1959
1960 return STATUS_SUCCESS;
1961 }
1962
1963 NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
1964 UCHAR *object, ULONG object_len, ULONG flags )
1965 {
1966 struct key *key_orig = get_key_object( handle );
1967 struct key *key_copy;
1968 NTSTATUS status;
1969
1970 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, object_len, flags );
1971 if (object) FIXME( "ignoring object buffer\n" );
1972
1973 if (!key_orig) return STATUS_INVALID_HANDLE;
1974 if (!handle_copy) return STATUS_INVALID_PARAMETER;
1975 if (!(key_copy = malloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
1976
1977 if ((status = key_duplicate( key_orig, key_copy )))
1978 {
1979 key_destroy( key_copy );
1980 return status;
1981 }
1982
1983 *handle_copy = key_copy;
1984 return STATUS_SUCCESS;
1985 }
1986
1987 static const WCHAR *resolve_blob_type( const WCHAR *type, UCHAR *input, ULONG input_len )
1988 {
1989 BCRYPT_KEY_BLOB *blob = (BCRYPT_KEY_BLOB *)input;
1990
1991 if (!type) return NULL;
1992 if (wcscmp( type, BCRYPT_PUBLIC_KEY_BLOB )) return type;
1993 if (input_len < sizeof(*blob)) return NULL;
1994
1995 switch (blob->Magic)
1996 {
1997 case BCRYPT_ECDH_PUBLIC_P256_MAGIC:
1998 case BCRYPT_ECDH_PUBLIC_P384_MAGIC:
1999 case BCRYPT_ECDSA_PUBLIC_P256_MAGIC:
2000 case BCRYPT_ECDSA_PUBLIC_P384_MAGIC:
2001 return BCRYPT_ECCPUBLIC_BLOB;
2002
2003 case BCRYPT_RSAPUBLIC_MAGIC:
2004 return BCRYPT_RSAPUBLIC_BLOB;
2005
2006 case BCRYPT_DSA_PUBLIC_MAGIC:
2007 return BCRYPT_DSA_PUBLIC_BLOB;
2008
2009 default:
2010 FIXME( "unsupported key magic %#lx\n", blob->Magic );
2011 return NULL;
2012 }
2013 }
2014
2015 NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key_handle, const WCHAR *type,
2016 BCRYPT_KEY_HANDLE *ret_handle, UCHAR *input, ULONG input_len, ULONG flags )
2017 {
2018 struct algorithm *alg = get_alg_object( handle );
2019
2020 TRACE( "%p, %p, %s, %p, %p, %lu, %#lx\n", handle, decrypt_key_handle, debugstr_w(type), ret_handle, input,
2021 input_len, flags );
2022
2023 if (!alg) return STATUS_INVALID_HANDLE;
2024 if (!ret_handle || !input || !(type = resolve_blob_type( type, input, input_len )))
2025 return STATUS_INVALID_PARAMETER;
2026 if (decrypt_key_handle)
2027 {
2028 FIXME( "decryption of key not yet supported\n" );
2029 return STATUS_NOT_IMPLEMENTED;
2030 }
2031
2032 return key_import_pair( alg, type, ret_handle, input, input_len );
2033 }
2034
2035 NTSTATUS WINAPI BCryptSignHash( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *input, ULONG input_len,
2036 UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2037 {
2038 struct key_asymmetric_sign_params params;
2039 struct key *key = get_key_object( handle );
2040
2041 TRACE( "%p, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, padding, input, input_len, output, output_len,
2042 ret_len, flags );
2043
2044 if (!key) return STATUS_INVALID_HANDLE;
2045 if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
2046
2047 params.key = key;
2048 params.padding = padding;
2049 params.input = input;
2050 params.input_len = input_len;
2051 params.output = output;
2052 params.output_len = output_len;
2053 params.ret_len = ret_len;
2054 params.flags = flags;
2055 return UNIX_CALL( key_asymmetric_sign, &params );
2056 }
2057
2058 NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
2059 UCHAR *signature, ULONG signature_len, ULONG flags )
2060 {
2061 struct key_asymmetric_verify_params params;
2062 struct key *key = get_key_object( handle );
2063
2064 TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, padding, hash, hash_len, signature, signature_len, flags );
2065
2066 if (!key) return STATUS_INVALID_HANDLE;
2067 if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
2068 if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
2069
2070 params.key = key;
2071 params.padding = padding;
2072 params.hash = hash;
2073 params.hash_len = hash_len;
2074 params.signature = signature;
2075 params.signature_len = signature_len;
2076 params.flags = flags;
2077 return UNIX_CALL( key_asymmetric_verify, &params );
2078 }
2079
2080 NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
2081 {
2082 struct key *key = get_key_object( handle );
2083
2084 TRACE( "%p\n", handle );
2085
2086 if (!key) return STATUS_INVALID_HANDLE;
2087 key_destroy( key );
2088 return STATUS_SUCCESS;
2089 }
2090
2091 NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
2092 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2093 {
2094 struct key *key = get_key_object( handle );
2095 struct key_asymmetric_encrypt_params asymmetric_params;
2096 NTSTATUS ret;
2097
2098 TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
2099 output_len, ret_len, flags );
2100
2101 if (!key) return STATUS_INVALID_HANDLE;
2102
2103 if (is_symmetric_key( key ))
2104 {
2105 if (flags & ~BCRYPT_BLOCK_PADDING)
2106 {
2107 FIXME( "flags %#lx not implemented\n", flags );
2108 return STATUS_NOT_IMPLEMENTED;
2109 }
2110 EnterCriticalSection( &key->u.s.cs );
2111 ret = key_symmetric_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
2112 LeaveCriticalSection( &key->u.s.cs );
2113 }
2114 else
2115 {
2116 if (flags & BCRYPT_PAD_NONE || flags & BCRYPT_PAD_OAEP)
2117 {
2118 FIXME( "flags %#lx not implemented\n", flags );
2119 return STATUS_NOT_IMPLEMENTED;
2120 }
2121 if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
2122
2123 asymmetric_params.input = input;
2124 asymmetric_params.input_len = input_len;
2125 asymmetric_params.key = key;
2126 asymmetric_params.output = output;
2127 asymmetric_params.output_len = output_len;
2128 asymmetric_params.ret_len = ret_len;
2129 ret = UNIX_CALL(key_asymmetric_encrypt, &asymmetric_params);
2130 }
2131
2132 return ret;
2133 }
2134
2135 NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
2136 ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
2137 {
2138 struct key *key = get_key_object( handle );
2139 struct key_asymmetric_decrypt_params params;
2140 NTSTATUS ret;
2141
2142 TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
2143 output_len, ret_len, flags );
2144
2145 if (!key) return STATUS_INVALID_HANDLE;
2146
2147 if (is_symmetric_key( key ))
2148 {
2149 if (flags & ~BCRYPT_BLOCK_PADDING)
2150 {
2151 FIXME( "flags %#lx not supported\n", flags );
2152 return STATUS_NOT_IMPLEMENTED;
2153 }
2154
2155 EnterCriticalSection( &key->u.s.cs );
2156 ret = key_symmetric_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
2157 LeaveCriticalSection( &key->u.s.cs );
2158 }
2159 else
2160 {
2161 if (flags & BCRYPT_PAD_NONE || flags & BCRYPT_PAD_OAEP)
2162 {
2163 FIXME( "flags %#lx not implemented\n", flags );
2164 return STATUS_NOT_IMPLEMENTED;
2165 }
2166 if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
2167
2168 params.key = key;
2169 params.input = input;
2170 params.input_len = input_len;
2171 params.output = output;
2172 params.output_len = output_len;
2173 params.ret_len = ret_len;
2174 ret = UNIX_CALL(key_asymmetric_decrypt, &params);
2175 }
2176
2177 return ret;
2178 }
2179
2180 NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
2181 {
2182 struct object *object = get_object( handle, 0 );
2183
2184 TRACE( "%p, %s, %p, %lu, %#lx\n", handle, debugstr_w(prop), value, size, flags );
2185
2186 if (!handle) return STATUS_INVALID_HANDLE;
2187 if (is_alg_pseudo_handle( handle )) return STATUS_ACCESS_DENIED;
2188
2189 switch (object->magic)
2190 {
2191 case MAGIC_ALG:
2192 {
2193 struct algorithm *alg = (struct algorithm *)object;
2194 return set_alg_property( alg, prop, value, size, flags );
2195 }
2196 case MAGIC_KEY:
2197 {
2198 struct key *key = (struct key *)object;
2199 return set_key_property( key, prop, value, size, flags );
2200 }
2201 default:
2202 WARN( "unknown magic %#lx\n", object->magic );
2203 return STATUS_INVALID_HANDLE;
2204 }
2205 }
2206
2207 #define HMAC_PAD_LEN 64
2208 NTSTATUS WINAPI BCryptDeriveKeyCapi( BCRYPT_HASH_HANDLE handle, BCRYPT_ALG_HANDLE halg, UCHAR *key, ULONG keylen, ULONG flags )
2209 {
2210 struct hash *hash = get_hash_object( handle );
2211 UCHAR buf[MAX_HASH_OUTPUT_BYTES * 2];
2212 NTSTATUS status;
2213 ULONG len;
2214
2215 TRACE( "%p, %p, %p, %lu, %#lx\n", handle, halg, key, keylen, flags );
2216
2217 if (!hash) return STATUS_INVALID_HANDLE;
2218 if (!key || !keylen) return STATUS_INVALID_PARAMETER;
2219 if (keylen > builtin_algorithms[hash->alg_id].hash_length * 2) return STATUS_INVALID_PARAMETER;
2220 if (halg)
2221 {
2222 FIXME( "algorithm handle not supported\n" );
2223 return STATUS_NOT_IMPLEMENTED;
2224 }
2225
2226 if ((status = hash_finalize( hash, buf ))) return status;
2227
2228 len = builtin_algorithms[hash->alg_id].hash_length;
2229 if (len < keylen)
2230 {
2231 UCHAR pad1[HMAC_PAD_LEN], pad2[HMAC_PAD_LEN];
2232 ULONG i;
2233
2234 for (i = 0; i < sizeof(pad1); i++)
2235 {
2236 pad1[i] = 0x36 ^ (i < len ? buf[i] : 0);
2237 pad2[i] = 0x5c ^ (i < len ? buf[i] : 0);
2238 }
2239
2240 if ((status = hash_prepare( hash )) ||
2241 (status = hash_update( &hash->inner, hash->alg_id, pad1, sizeof(pad1) )) ||
2242 (status = hash_finalize( hash, buf ))) return status;
2243
2244 if ((status = hash_prepare( hash )) ||
2245 (status = hash_update( &hash->inner, hash->alg_id, pad2, sizeof(pad2) )) ||
2246 (status = hash_finalize( hash, buf + len ))) return status;
2247 }
2248
2249 memcpy( key, buf, keylen );
2250 return STATUS_SUCCESS;
2251 }
2252
2253 static NTSTATUS pbkdf2( struct hash *hash, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2254 ULONGLONG iterations, ULONG i, UCHAR *dst, ULONG hash_len )
2255 {
2256 NTSTATUS status = STATUS_INVALID_PARAMETER;
2257 UCHAR bytes[4], *buf;
2258 ULONG j, k;
2259
2260 if (!(buf = malloc( hash_len ))) return STATUS_NO_MEMORY;
2261
2262 for (j = 0; j < iterations; j++)
2263 {
2264 if (j == 0)
2265 {
2266 /* use salt || INT(i) */
2267 if ((status = hash_update( &hash->inner, hash->alg_id, salt, salt_len )))
2268 {
2269 free( buf );
2270 return status;
2271 }
2272 bytes[0] = (i >> 24) & 0xff;
2273 bytes[1] = (i >> 16) & 0xff;
2274 bytes[2] = (i >> 8) & 0xff;
2275 bytes[3] = i & 0xff;
2276 status = hash_update( &hash->inner, hash->alg_id, bytes, 4 );
2277 }
2278 else status = hash_update( &hash->inner, hash->alg_id, buf, hash_len ); /* use U_j */
2279
2280 if (status)
2281 {
2282 free( buf );
2283 return status;
2284 }
2285
2286 if ((status = hash_finalize( hash, buf )))
2287 {
2288 free( buf );
2289 return status;
2290 }
2291
2292 if (j == 0) memcpy( dst, buf, hash_len );
2293 else for (k = 0; k < hash_len; k++) dst[k] ^= buf[k];
2294 }
2295
2296 free( buf );
2297 return status;
2298 }
2299
2300 static NTSTATUS derive_key_pbkdf2( struct algorithm *alg, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2301 ULONGLONG iterations, UCHAR *dk, ULONG dk_len )
2302 {
2303 ULONG hash_len, block_count, bytes_left, i;
2304 struct hash *hash;
2305 UCHAR *partial;
2306 NTSTATUS status;
2307
2308 hash_len = builtin_algorithms[alg->id].hash_length;
2309 if (dk_len <= 0 || dk_len > ((((ULONGLONG)1) << 32) - 1) * hash_len) return STATUS_INVALID_PARAMETER;
2310
2311 block_count = 1 + ((dk_len - 1) / hash_len); /* ceil(dk_len / hash_len) */
2312 bytes_left = dk_len - (block_count - 1) * hash_len;
2313
2314 if ((status = hash_create( alg, pwd, pwd_len, BCRYPT_HASH_REUSABLE_FLAG, &hash ))) return status;
2315
2316 /* full blocks */
2317 for (i = 1; i < block_count; i++)
2318 {
2319 if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, i, dk + ((i - 1) * hash_len), hash_len )))
2320 {
2321 hash_destroy( hash );
2322 return status;
2323 }
2324 }
2325
2326 /* final partial block */
2327 if (!(partial = malloc( hash_len )))
2328 {
2329 hash_destroy( hash );
2330 return STATUS_NO_MEMORY;
2331 }
2332
2333 if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, block_count, partial, hash_len )))
2334 {
2335 hash_destroy( hash );
2336 free( partial );
2337 return status;
2338 }
2339 memcpy( dk + ((block_count - 1) * hash_len), partial, bytes_left );
2340
2341 hash_destroy( hash );
2342 free( partial );
2343 return STATUS_SUCCESS;
2344 }
2345
2346 NTSTATUS WINAPI BCryptDeriveKeyPBKDF2( BCRYPT_ALG_HANDLE handle, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
2347 ULONGLONG iterations, UCHAR *dk, ULONG dk_len, ULONG flags )
2348 {
2349 struct algorithm *alg = get_alg_object( handle );
2350
2351 TRACE( "%p, %p, %lu, %p, %lu, %s, %p, %lu, %#lx\n", handle, pwd, pwd_len, salt, salt_len,
2352 wine_dbgstr_longlong(iterations), dk, dk_len, flags );
2353
2354 if (!alg) return STATUS_INVALID_HANDLE;
2355 return derive_key_pbkdf2( alg, pwd, pwd_len, salt, salt_len, iterations, dk, dk_len );
2356 }
2357
2358 NTSTATUS WINAPI BCryptSecretAgreement( BCRYPT_KEY_HANDLE privkey_handle, BCRYPT_KEY_HANDLE pubkey_handle,
2359 BCRYPT_SECRET_HANDLE *ret_handle, ULONG flags )
2360 {
2361 struct key *privkey = get_key_object( privkey_handle );
2362 struct key *pubkey = get_key_object( pubkey_handle );
2363 struct secret *secret;
2364
2365 FIXME( "%p, %p, %p, %#lx\n", privkey_handle, pubkey_handle, ret_handle, flags );
2366
2367 if (!privkey || !pubkey) return STATUS_INVALID_HANDLE;
2368 if (!is_agreement_key( privkey ) || !is_agreement_key( pubkey )) return STATUS_NOT_SUPPORTED;
2369 if (!ret_handle) return STATUS_INVALID_PARAMETER;
2370
2371 if (!(secret = calloc( 1, sizeof(*secret) ))) return STATUS_NO_MEMORY;
2372 secret->hdr.magic = MAGIC_SECRET;
2373
2374 *ret_handle = secret;
2375 return STATUS_SUCCESS;
2376 }
2377
2378 NTSTATUS WINAPI BCryptDestroySecret( BCRYPT_SECRET_HANDLE handle )
2379 {
2380 struct secret *secret = get_secret_object( handle );
2381
2382 FIXME( "%p\n", handle );
2383
2384 if (!secret) return STATUS_INVALID_HANDLE;
2385 destroy_object( &secret->hdr );
2386 return STATUS_SUCCESS;
2387 }
2388
2389 NTSTATUS WINAPI BCryptDeriveKey( BCRYPT_SECRET_HANDLE handle, const WCHAR *kdf, BCryptBufferDesc *parameter,
2390 UCHAR *derived, ULONG derived_size, ULONG *result, ULONG flags )
2391 {
2392 struct secret *secret = get_secret_object( handle );
2393
2394 FIXME( "%p, %s, %p, %p, %lu, %p, %#lx\n", secret, debugstr_w(kdf), parameter, derived, derived_size, result, flags );
2395
2396 if (!secret) return STATUS_INVALID_HANDLE;
2397 if (!kdf) return STATUS_INVALID_PARAMETER;
2398
2399 return STATUS_INTERNAL_ERROR;
2400 }
2401
2402 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
2403 {
2404 switch (reason)
2405 {
2406 case DLL_PROCESS_ATTACH:
2407 DisableThreadLibraryCalls( hinst );
2408 if (!__wine_init_unix_call())
2409 {
2410 if (UNIX_CALL( process_attach, NULL)) __wine_unixlib_handle = 0;
2411 }
2412 break;
2413 case DLL_PROCESS_DETACH:
2414 if (reserved) break;
2415 if (__wine_unixlib_handle) UNIX_CALL( process_detach, NULL );
2416 break;
2417 }
2418 return TRUE;
2419 }
Windows API implementation