dlls/bcrypt/bcrypt_main.c

   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 "config.h"
  21 #include "wine/port.h"
  22
  23 #include <stdarg.h>
  24 #ifdef HAVE_COMMONCRYPTO_COMMONDIGEST_H
  25 #include <CommonCrypto/CommonDigest.h>
  26 #include <CommonCrypto/CommonHMAC.h>
  27 #elif defined(SONAME_LIBGNUTLS)
  28 #include <gnutls/gnutls.h>
  29 #include <gnutls/crypto.h>
  30 #endif
  31
  32 #include "ntstatus.h"
  33 #define WIN32_NO_STATUS
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "ntsecapi.h"
  37 #include "bcrypt.h"
  38
  39 #include "wine/debug.h"
  40 #include "wine/library.h"
  41 #include "wine/unicode.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
  44
  45 static HINSTANCE instance;
  46
  47 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
  48 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  49
  50 static void *libgnutls_handle;
  51 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  52 MAKE_FUNCPTR(gnutls_global_deinit);
  53 MAKE_FUNCPTR(gnutls_global_init);
  54 MAKE_FUNCPTR(gnutls_global_set_log_function);
  55 MAKE_FUNCPTR(gnutls_global_set_log_level);
  56 MAKE_FUNCPTR(gnutls_hash);
  57 MAKE_FUNCPTR(gnutls_hash_deinit);
  58 MAKE_FUNCPTR(gnutls_hash_init);
  59 MAKE_FUNCPTR(gnutls_hmac);
  60 MAKE_FUNCPTR(gnutls_hmac_deinit);
  61 MAKE_FUNCPTR(gnutls_hmac_init);
  62 MAKE_FUNCPTR(gnutls_perror);
  63 #undef MAKE_FUNCPTR
  64
  65 static void gnutls_log( int level, const char *msg )
  66 {
  67     TRACE( "<%d> %s", level, msg );
  68 }
  69
  70 static BOOL gnutls_initialize(void)
  71 {
  72     int ret;
  73
  74     if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 )))
  75     {
  76         ERR_(winediag)( "failed to load libgnutls, no support for crypto hashes\n" );
  77         return FALSE;
  78     }
  79
  80 #define LOAD_FUNCPTR(f) \
  81     if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \
  82     { \
  83         ERR( "failed to load %s\n", #f ); \
  84         goto fail; \
  85     }
  86
  87     LOAD_FUNCPTR(gnutls_global_deinit)
  88     LOAD_FUNCPTR(gnutls_global_init)
  89     LOAD_FUNCPTR(gnutls_global_set_log_function)
  90     LOAD_FUNCPTR(gnutls_global_set_log_level)
  91     LOAD_FUNCPTR(gnutls_hash);
  92     LOAD_FUNCPTR(gnutls_hash_deinit);
  93     LOAD_FUNCPTR(gnutls_hash_init);
  94     LOAD_FUNCPTR(gnutls_hmac);
  95     LOAD_FUNCPTR(gnutls_hmac_deinit);
  96     LOAD_FUNCPTR(gnutls_hmac_init);
  97     LOAD_FUNCPTR(gnutls_perror)
  98 #undef LOAD_FUNCPTR
  99
 100     if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
 101     {
 102         pgnutls_perror( ret );
 103         goto fail;
 104     }
 105
 106     if (TRACE_ON( bcrypt ))
 107     {
 108         pgnutls_global_set_log_level( 4 );
 109         pgnutls_global_set_log_function( gnutls_log );
 110     }
 111
 112     return TRUE;
 113
 114 fail:
 115     wine_dlclose( libgnutls_handle, NULL, 0 );
 116     libgnutls_handle = NULL;
 117     return FALSE;
 118 }
 119
 120 static void gnutls_uninitialize(void)
 121 {
 122     pgnutls_global_deinit();
 123     wine_dlclose( libgnutls_handle, NULL, 0 );
 124     libgnutls_handle = NULL;
 125 }
 126 #endif /* HAVE_GNUTLS_HASH && !HAVE_COMMONCRYPTO_COMMONDIGEST_H */
 127
 128 NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount,
 129                                      BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList, ULONG dwFlags)
 130 {
 131     FIXME("%08x, %p, %p, %08x - stub\n", dwAlgOperations, pAlgCount, ppAlgList, dwFlags);
 132
 133     *ppAlgList=NULL;
 134     *pAlgCount=0;
 135
 136     return STATUS_NOT_IMPLEMENTED;
 137 }
 138
 139 NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE algorithm, UCHAR *buffer, ULONG count, ULONG flags)
 140 {
 141     const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
 142     TRACE("%p, %p, %u, %08x - semi-stub\n", algorithm, buffer, count, flags);
 143
 144     if (!algorithm)
 145     {
 146         /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
 147          * is set. In this case the preferred system RNG is used.
 148          */
 149         if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
 150             return STATUS_INVALID_HANDLE;
 151     }
 152     if (!buffer)
 153         return STATUS_INVALID_PARAMETER;
 154
 155     if (flags & ~supported_flags)
 156         FIXME("unsupported flags %08x\n", flags & ~supported_flags);
 157
 158     if (algorithm)
 159         FIXME("ignoring selected algorithm\n");
 160
 161     /* When zero bytes are requested the function returns success too. */
 162     if (!count)
 163         return STATUS_SUCCESS;
 164
 165     if (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG)
 166     {
 167         if (RtlGenRandom(buffer, count))
 168             return STATUS_SUCCESS;
 169     }
 170
 171     FIXME("called with unsupported parameters, returning error\n");
 172     return STATUS_NOT_IMPLEMENTED;
 173 }
 174
 175 #define MAGIC_ALG  (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
 176 #define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
 177 struct object
 178 {
 179     ULONG magic;
 180 };
 181
 182 enum alg_id
 183 {
 184     ALG_ID_MD5,
 185     ALG_ID_SHA1,
 186     ALG_ID_SHA256,
 187     ALG_ID_SHA384,
 188     ALG_ID_SHA512
 189 };
 190
 191 static const struct {
 192     ULONG hash_length;
 193     const WCHAR *alg_name;
 194 } alg_props[] = {
 195     /* ALG_ID_MD5    */ { 16, BCRYPT_MD5_ALGORITHM },
 196     /* ALG_ID_SHA1   */ { 20, BCRYPT_SHA1_ALGORITHM },
 197     /* ALG_ID_SHA256 */ { 32, BCRYPT_SHA256_ALGORITHM },
 198     /* ALG_ID_SHA384 */ { 48, BCRYPT_SHA384_ALGORITHM },
 199     /* ALG_ID_SHA512 */ { 64, BCRYPT_SHA512_ALGORITHM }
 200 };
 201
 202 struct algorithm
 203 {
 204     struct object hdr;
 205     enum alg_id   id;
 206     BOOL hmac;
 207 };
 208
 209 NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, LPCWSTR id, LPCWSTR implementation, DWORD flags )
 210 {
 211     struct algorithm *alg;
 212     enum alg_id alg_id;
 213
 214     const DWORD supported_flags = BCRYPT_ALG_HANDLE_HMAC_FLAG;
 215
 216     TRACE( "%p, %s, %s, %08x\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
 217
 218     if (!handle || !id) return STATUS_INVALID_PARAMETER;
 219     if (flags & ~supported_flags)
 220     {
 221         FIXME( "unsupported flags %08x\n", flags & ~supported_flags);
 222         return STATUS_NOT_IMPLEMENTED;
 223     }
 224
 225     if (!strcmpW( id, BCRYPT_SHA1_ALGORITHM )) alg_id = ALG_ID_SHA1;
 226     else if (!strcmpW( id, BCRYPT_MD5_ALGORITHM )) alg_id = ALG_ID_MD5;
 227     else if (!strcmpW( id, BCRYPT_SHA256_ALGORITHM )) alg_id = ALG_ID_SHA256;
 228     else if (!strcmpW( id, BCRYPT_SHA384_ALGORITHM )) alg_id = ALG_ID_SHA384;
 229     else if (!strcmpW( id, BCRYPT_SHA512_ALGORITHM )) alg_id = ALG_ID_SHA512;
 230     else
 231     {
 232         FIXME( "algorithm %s not supported\n", debugstr_w(id) );
 233         return STATUS_NOT_IMPLEMENTED;
 234     }
 235     if (implementation && strcmpW( implementation, MS_PRIMITIVE_PROVIDER ))
 236     {
 237         FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
 238         return STATUS_NOT_IMPLEMENTED;
 239     }
 240
 241     if (!(alg = HeapAlloc( GetProcessHeap(), 0, sizeof(*alg) ))) return STATUS_NO_MEMORY;
 242     alg->hdr.magic = MAGIC_ALG;
 243     alg->id        = alg_id;
 244     alg->hmac      = flags & BCRYPT_ALG_HANDLE_HMAC_FLAG;
 245
 246     *handle = alg;
 247     return STATUS_SUCCESS;
 248 }
 249
 250 NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
 251 {
 252     struct algorithm *alg = handle;
 253
 254     TRACE( "%p, %08x\n", handle, flags );
 255
 256     if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
 257     HeapFree( GetProcessHeap(), 0, alg );
 258     return STATUS_SUCCESS;
 259 }
 260
 261 NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
 262 {
 263     FIXME("%p - semi-stub\n", enabled);
 264
 265     if (!enabled)
 266         return STATUS_INVALID_PARAMETER;
 267
 268     *enabled = FALSE;
 269     return STATUS_SUCCESS;
 270 }
 271
 272 #ifdef HAVE_COMMONCRYPTO_COMMONDIGEST_H
 273 struct hash
 274 {
 275     struct object hdr;
 276     enum alg_id   alg_id;
 277     BOOL hmac;
 278     union
 279     {
 280         CC_MD5_CTX    md5_ctx;
 281         CC_SHA1_CTX   sha1_ctx;
 282         CC_SHA256_CTX sha256_ctx;
 283         CC_SHA512_CTX sha512_ctx;
 284         CCHmacContext hmac_ctx;
 285     } u;
 286 };
 287
 288 static NTSTATUS hash_init( struct hash *hash )
 289 {
 290     switch (hash->alg_id)
 291     {
 292     case ALG_ID_MD5:
 293         CC_MD5_Init( &hash->u.md5_ctx );
 294         break;
 295
 296     case ALG_ID_SHA1:
 297         CC_SHA1_Init( &hash->u.sha1_ctx );
 298         break;
 299
 300     case ALG_ID_SHA256:
 301         CC_SHA256_Init( &hash->u.sha256_ctx );
 302         break;
 303
 304     case ALG_ID_SHA384:
 305         CC_SHA384_Init( &hash->u.sha512_ctx );
 306         break;
 307
 308     case ALG_ID_SHA512:
 309         CC_SHA512_Init( &hash->u.sha512_ctx );
 310         break;
 311
 312     default:
 313         ERR( "unhandled id %u\n", hash->alg_id );
 314         return STATUS_NOT_IMPLEMENTED;
 315     }
 316     return STATUS_SUCCESS;
 317 }
 318
 319 static NTSTATUS hmac_init( struct hash *hash, UCHAR *key, ULONG key_size )
 320 {
 321     CCHmacAlgorithm cc_algorithm;
 322     switch (hash->alg_id)
 323     {
 324     case ALG_ID_MD5:
 325         cc_algorithm = kCCHmacAlgMD5;
 326         break;
 327
 328     case ALG_ID_SHA1:
 329         cc_algorithm = kCCHmacAlgSHA1;
 330         break;
 331
 332     case ALG_ID_SHA256:
 333         cc_algorithm = kCCHmacAlgSHA256;
 334         break;
 335
 336     case ALG_ID_SHA384:
 337         cc_algorithm = kCCHmacAlgSHA384;
 338         break;
 339
 340     case ALG_ID_SHA512:
 341         cc_algorithm = kCCHmacAlgSHA512;
 342         break;
 343
 344     default:
 345         ERR( "unhandled id %u\n", hash->alg_id );
 346         return STATUS_NOT_IMPLEMENTED;
 347     }
 348
 349     CCHmacInit( &hash->u.hmac_ctx, cc_algorithm, key, key_size );
 350     return STATUS_SUCCESS;
 351 }
 352
 353
 354 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 355 {
 356     switch (hash->alg_id)
 357     {
 358     case ALG_ID_MD5:
 359         CC_MD5_Update( &hash->u.md5_ctx, input, size );
 360         break;
 361
 362     case ALG_ID_SHA1:
 363         CC_SHA1_Update( &hash->u.sha1_ctx, input, size );
 364         break;
 365
 366     case ALG_ID_SHA256:
 367         CC_SHA256_Update( &hash->u.sha256_ctx, input, size );
 368         break;
 369
 370     case ALG_ID_SHA384:
 371         CC_SHA384_Update( &hash->u.sha512_ctx, input, size );
 372         break;
 373
 374     case ALG_ID_SHA512:
 375         CC_SHA512_Update( &hash->u.sha512_ctx, input, size );
 376         break;
 377
 378     default:
 379         ERR( "unhandled id %u\n", hash->alg_id );
 380         return STATUS_NOT_IMPLEMENTED;
 381     }
 382     return STATUS_SUCCESS;
 383 }
 384
 385 static NTSTATUS hmac_update( struct hash *hash, UCHAR *input, ULONG size )
 386 {
 387     CCHmacUpdate( &hash->u.hmac_ctx, input, size );
 388     return STATUS_SUCCESS;
 389 }
 390
 391 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 392 {
 393     switch (hash->alg_id)
 394     {
 395     case ALG_ID_MD5:
 396         CC_MD5_Final( output, &hash->u.md5_ctx );
 397         break;
 398
 399     case ALG_ID_SHA1:
 400         CC_SHA1_Final( output, &hash->u.sha1_ctx );
 401         break;
 402
 403     case ALG_ID_SHA256:
 404         CC_SHA256_Final( output, &hash->u.sha256_ctx );
 405         break;
 406
 407     case ALG_ID_SHA384:
 408         CC_SHA384_Final( output, &hash->u.sha512_ctx );
 409         break;
 410
 411     case ALG_ID_SHA512:
 412         CC_SHA512_Final( output, &hash->u.sha512_ctx );
 413         break;
 414
 415     default:
 416         ERR( "unhandled id %u\n", hash->alg_id );
 417         break;
 418     }
 419     return STATUS_SUCCESS;
 420 }
 421
 422 static NTSTATUS hmac_finish( struct hash *hash, UCHAR *output, ULONG size )
 423 {
 424     CCHmacFinal( &hash->u.hmac_ctx, output );
 425
 426     return STATUS_SUCCESS;
 427 }
 428 #elif defined(HAVE_GNUTLS_HASH)
 429 struct hash
 430 {
 431     struct object    hdr;
 432     enum alg_id      alg_id;
 433     BOOL hmac;
 434     union
 435     {
 436         gnutls_hash_hd_t hash_handle;
 437         gnutls_hmac_hd_t hmac_handle;
 438     } u;
 439 };
 440
 441 static NTSTATUS hash_init( struct hash *hash )
 442 {
 443     gnutls_digest_algorithm_t alg;
 444
 445     if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
 446
 447     switch (hash->alg_id)
 448     {
 449     case ALG_ID_MD5:
 450         alg = GNUTLS_DIG_MD5;
 451         break;
 452     case ALG_ID_SHA1:
 453         alg = GNUTLS_DIG_SHA1;
 454         break;
 455
 456     case ALG_ID_SHA256:
 457         alg = GNUTLS_DIG_SHA256;
 458         break;
 459
 460     case ALG_ID_SHA384:
 461         alg = GNUTLS_DIG_SHA384;
 462         break;
 463
 464     case ALG_ID_SHA512:
 465         alg = GNUTLS_DIG_SHA512;
 466         break;
 467
 468     default:
 469         ERR( "unhandled id %u\n", hash->alg_id );
 470         return STATUS_NOT_IMPLEMENTED;
 471     }
 472
 473     if (pgnutls_hash_init( &hash->u.hash_handle, alg )) return STATUS_INTERNAL_ERROR;
 474     return STATUS_SUCCESS;
 475 }
 476
 477 static NTSTATUS hmac_init( struct hash *hash, UCHAR *key, ULONG key_size )
 478 {
 479     gnutls_mac_algorithm_t alg;
 480
 481     if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
 482
 483     switch (hash->alg_id)
 484     {
 485     case ALG_ID_MD5:
 486         alg = GNUTLS_MAC_MD5;
 487         break;
 488     case ALG_ID_SHA1:
 489         alg = GNUTLS_MAC_SHA1;
 490         break;
 491
 492     case ALG_ID_SHA256:
 493         alg = GNUTLS_MAC_SHA256;
 494         break;
 495
 496     case ALG_ID_SHA384:
 497         alg = GNUTLS_MAC_SHA384;
 498         break;
 499
 500     case ALG_ID_SHA512:
 501         alg = GNUTLS_MAC_SHA512;
 502         break;
 503
 504     default:
 505         ERR( "unhandled id %u\n", hash->alg_id );
 506         return STATUS_NOT_IMPLEMENTED;
 507     }
 508
 509     if (pgnutls_hmac_init( &hash->u.hmac_handle, alg, key, key_size )) return STATUS_INTERNAL_ERROR;
 510     return STATUS_SUCCESS;
 511 }
 512
 513 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 514 {
 515     if (pgnutls_hash( hash->u.hash_handle, input, size )) return STATUS_INTERNAL_ERROR;
 516     return STATUS_SUCCESS;
 517 }
 518
 519 static NTSTATUS hmac_update( struct hash *hash, UCHAR *input, ULONG size )
 520 {
 521     if (pgnutls_hmac( hash->u.hmac_handle, input, size )) return STATUS_INTERNAL_ERROR;
 522     return STATUS_SUCCESS;
 523 }
 524
 525 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 526 {
 527     pgnutls_hash_deinit( hash->u.hash_handle, output );
 528     return STATUS_SUCCESS;
 529 }
 530
 531 static NTSTATUS hmac_finish( struct hash *hash, UCHAR *output, ULONG size )
 532 {
 533     pgnutls_hmac_deinit( hash->u.hmac_handle, output );
 534     return STATUS_SUCCESS;
 535 }
 536 #else
 537 struct hash
 538 {
 539     struct object hdr;
 540     BOOL hmac;
 541     enum alg_id   alg_id;
 542 };
 543
 544 static NTSTATUS hash_init( struct hash *hash )
 545 {
 546     ERR( "support for hashes not available at build time\n" );
 547     return STATUS_NOT_IMPLEMENTED;
 548 }
 549
 550 static NTSTATUS hmac_init( struct hash *hash, UCHAR *key, ULONG key_size )
 551 {
 552     ERR( "support for hashes not available at build time\n" );
 553     return STATUS_NOT_IMPLEMENTED;
 554 }
 555
 556 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 557 {
 558     ERR( "support for hashes not available at build time\n" );
 559     return STATUS_NOT_IMPLEMENTED;
 560 }
 561
 562 static NTSTATUS hmac_update( struct hash *hash, UCHAR *input, ULONG size )
 563 {
 564     ERR( "support for hashes not available at build time\n" );
 565     return STATUS_NOT_IMPLEMENTED;
 566 }
 567
 568 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 569 {
 570     ERR( "support for hashes not available at build time\n" );
 571     return STATUS_NOT_IMPLEMENTED;
 572 }
 573
 574 static NTSTATUS hmac_finish( struct hash *hash, UCHAR *output, ULONG size )
 575 {
 576     ERR( "support for hashes not available at build time\n" );
 577     return STATUS_NOT_IMPLEMENTED;
 578 }
 579 #endif
 580
 581 #define OBJECT_LENGTH_MD5       274
 582 #define OBJECT_LENGTH_SHA1      278
 583 #define OBJECT_LENGTH_SHA256    286
 584 #define OBJECT_LENGTH_SHA384    382
 585 #define OBJECT_LENGTH_SHA512    382
 586
 587 static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 588 {
 589     if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
 590     {
 591         *ret_size = sizeof(ULONG);
 592         if (size < sizeof(ULONG))
 593             return STATUS_BUFFER_TOO_SMALL;
 594         if(buf)
 595             *(ULONG*)buf = alg_props[id].hash_length;
 596         return STATUS_SUCCESS;
 597     }
 598
 599     if (!strcmpW( prop, BCRYPT_ALGORITHM_NAME ))
 600     {
 601         *ret_size = (strlenW(alg_props[id].alg_name)+1)*sizeof(WCHAR);
 602         if (size < *ret_size)
 603             return STATUS_BUFFER_TOO_SMALL;
 604         if(buf)
 605             memcpy(buf, alg_props[id].alg_name, *ret_size);
 606         return STATUS_SUCCESS;
 607     }
 608
 609     return STATUS_NOT_IMPLEMENTED;
 610 }
 611
 612 static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 613 {
 614     NTSTATUS status;
 615     ULONG value;
 616
 617     status = generic_alg_property( id, prop, buf, size, ret_size );
 618     if (status != STATUS_NOT_IMPLEMENTED)
 619         return status;
 620
 621     switch (id)
 622     {
 623     case ALG_ID_MD5:
 624         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 625         {
 626             value = OBJECT_LENGTH_MD5;
 627             break;
 628         }
 629         FIXME( "unsupported md5 algorithm property %s\n", debugstr_w(prop) );
 630         return STATUS_NOT_IMPLEMENTED;
 631     case ALG_ID_SHA1:
 632         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 633         {
 634             value = OBJECT_LENGTH_SHA1;
 635             break;
 636         }
 637         FIXME( "unsupported sha1 algorithm property %s\n", debugstr_w(prop) );
 638         return STATUS_NOT_IMPLEMENTED;
 639
 640     case ALG_ID_SHA256:
 641         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 642         {
 643             value = OBJECT_LENGTH_SHA256;
 644             break;
 645         }
 646         FIXME( "unsupported sha256 algorithm property %s\n", debugstr_w(prop) );
 647         return STATUS_NOT_IMPLEMENTED;
 648
 649     case ALG_ID_SHA384:
 650         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 651         {
 652             value = OBJECT_LENGTH_SHA384;
 653             break;
 654         }
 655         FIXME( "unsupported sha384 algorithm property %s\n", debugstr_w(prop) );
 656         return STATUS_NOT_IMPLEMENTED;
 657
 658     case ALG_ID_SHA512:
 659         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 660         {
 661             value = OBJECT_LENGTH_SHA512;
 662             break;
 663         }
 664         FIXME( "unsupported sha512 algorithm property %s\n", debugstr_w(prop) );
 665         return STATUS_NOT_IMPLEMENTED;
 666
 667     default:
 668         FIXME( "unsupported algorithm %u\n", id );
 669         return STATUS_NOT_IMPLEMENTED;
 670     }
 671
 672     if (size < sizeof(ULONG))
 673     {
 674         *ret_size = sizeof(ULONG);
 675         return STATUS_BUFFER_TOO_SMALL;
 676     }
 677     if (buf) *(ULONG *)buf = value;
 678     *ret_size = sizeof(ULONG);
 679
 680     return STATUS_SUCCESS;
 681 }
 682
 683 static NTSTATUS get_hash_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 684 {
 685     NTSTATUS status;
 686
 687     status = generic_alg_property( id, prop, buf, size, ret_size );
 688     if (status == STATUS_NOT_IMPLEMENTED)
 689         FIXME( "unsupported property %s\n", debugstr_w(prop) );
 690     return status;
 691 }
 692
 693 NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )
 694 {
 695     struct object *object = handle;
 696
 697     TRACE( "%p, %s, %p, %u, %p, %08x\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
 698
 699     if (!object) return STATUS_INVALID_HANDLE;
 700     if (!prop || !res) return STATUS_INVALID_PARAMETER;
 701
 702     switch (object->magic)
 703     {
 704     case MAGIC_ALG:
 705     {
 706         const struct algorithm *alg = (const struct algorithm *)object;
 707         return get_alg_property( alg->id, prop, buffer, count, res );
 708     }
 709     case MAGIC_HASH:
 710     {
 711         const struct hash *hash = (const struct hash *)object;
 712         return get_hash_property( hash->alg_id, prop, buffer, count, res );
 713     }
 714     default:
 715         WARN( "unknown magic %08x\n", object->magic );
 716         return STATUS_INVALID_HANDLE;
 717     }
 718 }
 719
 720 NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm, BCRYPT_HASH_HANDLE *handle, UCHAR *object, ULONG objectlen,
 721                                   UCHAR *secret, ULONG secretlen, ULONG flags )
 722 {
 723     struct algorithm *alg = algorithm;
 724     struct hash *hash;
 725     NTSTATUS status;
 726
 727     TRACE( "%p, %p, %p, %u, %p, %u, %08x - stub\n", algorithm, handle, object, objectlen,
 728            secret, secretlen, flags );
 729     if (flags)
 730     {
 731         FIXME( "unimplemented flags %08x\n", flags );
 732         return STATUS_NOT_IMPLEMENTED;
 733     }
 734
 735     if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
 736     if (object) FIXME( "ignoring object buffer\n" );
 737
 738     if (!(hash = HeapAlloc( GetProcessHeap(), 0, sizeof(*hash) ))) return STATUS_NO_MEMORY;
 739     hash->hdr.magic = MAGIC_HASH;
 740     hash->alg_id    = alg->id;
 741     hash->hmac      = alg->hmac;
 742
 743     if (hash->hmac)
 744     {
 745         status = hmac_init( hash, secret, secretlen );
 746     }
 747     else
 748     {
 749         status = hash_init( hash );
 750     }
 751
 752     if (status != STATUS_SUCCESS)
 753     {
 754         HeapFree( GetProcessHeap(), 0, hash );
 755         return status;
 756     }
 757
 758     *handle = hash;
 759     return STATUS_SUCCESS;
 760 }
 761
 762 NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
 763 {
 764     struct hash *hash = handle;
 765
 766     TRACE( "%p\n", handle );
 767
 768     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 769     HeapFree( GetProcessHeap(), 0, hash );
 770     return STATUS_SUCCESS;
 771 }
 772
 773 NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
 774 {
 775     struct hash *hash = handle;
 776
 777     TRACE( "%p, %p, %u, %08x\n", handle, input, size, flags );
 778
 779     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 780     if (!input) return STATUS_SUCCESS;
 781
 782     if (hash->hmac)
 783     {
 784         return hmac_update( hash, input, size );
 785     }
 786     else
 787     {
 788         return hash_update( hash, input, size );
 789     }
 790 }
 791
 792 NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
 793 {
 794     struct hash *hash = handle;
 795
 796     TRACE( "%p, %p, %u, %08x\n", handle, output, size, flags );
 797
 798     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 799     if (!output) return STATUS_INVALID_PARAMETER;
 800
 801     if (hash->hmac)
 802     {
 803         return hmac_finish( hash, output, size );
 804     }
 805     else
 806     {
 807         return hash_finish( hash, output, size );
 808     }
 809 }
 810
 811 NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE algorithm, UCHAR *secret, ULONG secretlen,
 812                             UCHAR *input, ULONG inputlen, UCHAR *output, ULONG outputlen )
 813 {
 814     NTSTATUS status;
 815     BCRYPT_HASH_HANDLE handle;
 816
 817     TRACE( "%p, %p, %u, %p, %u, %p, %u\n", algorithm, secret, secretlen,
 818            input, inputlen, output, outputlen );
 819
 820     status = BCryptCreateHash( algorithm, &handle, NULL, 0, secret, secretlen, 0);
 821     if (status != STATUS_SUCCESS)
 822     {
 823         return status;
 824     }
 825
 826     status = BCryptHashData( handle, input, inputlen, 0 );
 827     if (status != STATUS_SUCCESS)
 828     {
 829         BCryptDestroyHash( handle );
 830         return status;
 831     }
 832
 833     status = BCryptFinishHash( handle, output, outputlen, 0 );
 834     if (status != STATUS_SUCCESS)
 835     {
 836         BCryptDestroyHash( handle );
 837         return status;
 838     }
 839
 840     return BCryptDestroyHash( handle );
 841 }
 842
 843 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 844 {
 845     switch (reason)
 846     {
 847     case DLL_PROCESS_ATTACH:
 848         instance = hinst;
 849         DisableThreadLibraryCalls( hinst );
 850 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
 851         gnutls_initialize();
 852 #endif
 853         break;
 854
 855     case DLL_PROCESS_DETACH:
 856         if (reserved) break;
 857 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
 858         gnutls_uninitialize();
 859 #endif
 860         break;
 861     }
 862     return TRUE;
 863 }