reactos/dll/win32/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 <wine/config.h>
  21 #include <wine/port.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 <bcrypt.h>
  29
  30 #include <wine/debug.h>
  31 #include <wine/unicode.h>
  32 #include <wine/library.h>
  33
  34 #ifdef SONAME_LIBMBEDTLS
  35 #include <mbedtls/sha1.h>
  36 #include <mbedtls/sha256.h>
  37 #include <mbedtls/sha512.h>
  38 #endif
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
  41
  42 static HINSTANCE instance;
  43
  44 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
  45 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  46
  47 static void *libgnutls_handle;
  48 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  49 MAKE_FUNCPTR(gnutls_global_deinit);
  50 MAKE_FUNCPTR(gnutls_global_init);
  51 MAKE_FUNCPTR(gnutls_global_set_log_function);
  52 MAKE_FUNCPTR(gnutls_global_set_log_level);
  53 MAKE_FUNCPTR(gnutls_hash);
  54 MAKE_FUNCPTR(gnutls_hash_deinit);
  55 MAKE_FUNCPTR(gnutls_hash_init);
  56 MAKE_FUNCPTR(gnutls_perror);
  57 #undef MAKE_FUNCPTR
  58
  59 static void gnutls_log( int level, const char *msg )
  60 {
  61     TRACE( "<%d> %s", level, msg );
  62 }
  63
  64 static BOOL gnutls_initialize(void)
  65 {
  66     int ret;
  67
  68     if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 )))
  69     {
  70         ERR_(winediag)( "failed to load libgnutls, no support for crypto hashes\n" );
  71         return FALSE;
  72     }
  73
  74 #define LOAD_FUNCPTR(f) \
  75     if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \
  76     { \
  77         ERR( "failed to load %s\n", #f ); \
  78         goto fail; \
  79     }
  80
  81     LOAD_FUNCPTR(gnutls_global_deinit)
  82     LOAD_FUNCPTR(gnutls_global_init)
  83     LOAD_FUNCPTR(gnutls_global_set_log_function)
  84     LOAD_FUNCPTR(gnutls_global_set_log_level)
  85     LOAD_FUNCPTR(gnutls_hash);
  86     LOAD_FUNCPTR(gnutls_hash_deinit);
  87     LOAD_FUNCPTR(gnutls_hash_init);
  88     LOAD_FUNCPTR(gnutls_perror)
  89 #undef LOAD_FUNCPTR
  90
  91     if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
  92     {
  93         pgnutls_perror( ret );
  94         goto fail;
  95     }
  96
  97     if (TRACE_ON( bcrypt ))
  98     {
  99         pgnutls_global_set_log_level( 4 );
 100         pgnutls_global_set_log_function( gnutls_log );
 101     }
 102
 103     return TRUE;
 104
 105 fail:
 106     wine_dlclose( libgnutls_handle, NULL, 0 );
 107     libgnutls_handle = NULL;
 108     return FALSE;
 109 }
 110
 111 static void gnutls_uninitialize(void)
 112 {
 113     pgnutls_global_deinit();
 114     wine_dlclose( libgnutls_handle, NULL, 0 );
 115     libgnutls_handle = NULL;
 116 }
 117 #elif defined(SONAME_LIBMBEDTLS) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H) && !defined(__REACTOS__)
 118 WINE_DECLARE_DEBUG_CHANNEL(winediag);
 119
 120 void *libmbedtls_handle;
 121
 122 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
 123 MAKE_FUNCPTR(mbedtls_sha1_init);
 124 MAKE_FUNCPTR(mbedtls_sha1_starts);
 125 MAKE_FUNCPTR(mbedtls_sha1_update);
 126 MAKE_FUNCPTR(mbedtls_sha1_finish);
 127 MAKE_FUNCPTR(mbedtls_sha1_free);
 128 MAKE_FUNCPTR(mbedtls_sha256_init);
 129 MAKE_FUNCPTR(mbedtls_sha256_starts);
 130 MAKE_FUNCPTR(mbedtls_sha256_update);
 131 MAKE_FUNCPTR(mbedtls_sha256_finish);
 132 MAKE_FUNCPTR(mbedtls_sha256_free);
 133 MAKE_FUNCPTR(mbedtls_sha512_init);
 134 MAKE_FUNCPTR(mbedtls_sha512_starts);
 135 MAKE_FUNCPTR(mbedtls_sha512_update);
 136 MAKE_FUNCPTR(mbedtls_sha512_finish);
 137 MAKE_FUNCPTR(mbedtls_sha512_free);
 138 #undef MAKE_FUNCPTR
 139
 140 #define mbedtls_sha1_init           pmbedtls_sha1_init
 141 #define mbedtls_sha1_starts         pmbedtls_sha1_starts
 142 #define mbedtls_sha1_update         pmbedtls_sha1_update
 143 #define mbedtls_sha1_finish         pmbedtls_sha1_finish
 144 #define mbedtls_sha1_free           pmbedtls_sha1_free
 145 #define mbedtls_sha256_init         pmbedtls_sha256_init
 146 #define mbedtls_sha256_starts       pmbedtls_sha256_starts
 147 #define mbedtls_sha256_update       pmbedtls_sha256_update
 148 #define mbedtls_sha256_finish       pmbedtls_sha256_finish
 149 #define mbedtls_sha256_free         pmbedtls_sha256_free
 150 #define mbedtls_sha512_init         pmbedtls_sha512_init
 151 #define mbedtls_sha512_starts       pmbedtls_sha512_starts
 152 #define mbedtls_sha512_update       pmbedtls_sha512_update
 153 #define mbedtls_sha512_finish       pmbedtls_sha512_finish
 154 #define mbedtls_sha512_free         pmbedtls_sha512_free
 155
 156 static BOOL mbedtls_initialize(void)
 157 {
 158     if (!(libmbedtls_handle = wine_dlopen( SONAME_LIBMBEDTLS, RTLD_NOW, NULL, 0 )))
 159     {
 160         ERR_(winediag)( "failed to load libmbedtls, no support for crypto hashes\n" );
 161         return FALSE;
 162     }
 163
 164 #define LOAD_FUNCPTR(f) \
 165     if (!(p##f = wine_dlsym( libmbedtls_handle, #f, NULL, 0 ))) \
 166     { \
 167         ERR( "failed to load %s\n", #f ); \
 168         goto fail; \
 169     }
 170
 171     LOAD_FUNCPTR(mbedtls_sha1_init)
 172     LOAD_FUNCPTR(mbedtls_sha1_starts)
 173     LOAD_FUNCPTR(mbedtls_sha1_update)
 174     LOAD_FUNCPTR(mbedtls_sha1_finish)
 175     LOAD_FUNCPTR(mbedtls_sha1_free);
 176     LOAD_FUNCPTR(mbedtls_sha256_init)
 177     LOAD_FUNCPTR(mbedtls_sha256_starts)
 178     LOAD_FUNCPTR(mbedtls_sha256_update)
 179     LOAD_FUNCPTR(mbedtls_sha256_finish)
 180     LOAD_FUNCPTR(mbedtls_sha256_free);
 181     LOAD_FUNCPTR(mbedtls_sha512_init)
 182     LOAD_FUNCPTR(mbedtls_sha512_starts)
 183     LOAD_FUNCPTR(mbedtls_sha512_update)
 184     LOAD_FUNCPTR(mbedtls_sha512_finish)
 185     LOAD_FUNCPTR(mbedtls_sha512_free);
 186 #undef LOAD_FUNCPTR
 187
 188     return TRUE;
 189
 190 fail:
 191     wine_dlclose( libmbedtls_handle, NULL, 0 );
 192     libmbedtls_handle = NULL;
 193     return FALSE;
 194 }
 195
 196 static void mbedtls_uninitialize(void)
 197 {
 198     wine_dlclose( libmbedtls_handle, NULL, 0 );
 199     libmbedtls_handle = NULL;
 200 }
 201 #endif /* SONAME_LIBMBEDTLS && !HAVE_COMMONCRYPTO_COMMONDIGEST_H && !__REACTOS__ */
 202
 203 NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount,
 204                                      BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList, ULONG dwFlags)
 205 {
 206     FIXME("%08x, %p, %p, %08x - stub\n", dwAlgOperations, pAlgCount, ppAlgList, dwFlags);
 207
 208     *ppAlgList=NULL;
 209     *pAlgCount=0;
 210
 211     return STATUS_NOT_IMPLEMENTED;
 212 }
 213
 214 NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE algorithm, UCHAR *buffer, ULONG count, ULONG flags)
 215 {
 216     const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
 217     TRACE("%p, %p, %u, %08x - semi-stub\n", algorithm, buffer, count, flags);
 218
 219     if (!algorithm)
 220     {
 221         /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
 222          * is set. In this case the preferred system RNG is used.
 223          */
 224         if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
 225             return STATUS_INVALID_HANDLE;
 226     }
 227     if (!buffer)
 228         return STATUS_INVALID_PARAMETER;
 229
 230     if (flags & ~supported_flags)
 231         FIXME("unsupported flags %08x\n", flags & ~supported_flags);
 232
 233     if (algorithm)
 234         FIXME("ignoring selected algorithm\n");
 235
 236     /* When zero bytes are requested the function returns success too. */
 237     if (!count)
 238         return STATUS_SUCCESS;
 239
 240     if (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG)
 241     {
 242         if (RtlGenRandom(buffer, count))
 243             return STATUS_SUCCESS;
 244     }
 245
 246     FIXME("called with unsupported parameters, returning error\n");
 247     return STATUS_NOT_IMPLEMENTED;
 248 }
 249
 250 #define MAGIC_ALG  (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
 251 #define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
 252 struct object
 253 {
 254     ULONG magic;
 255 };
 256
 257 enum alg_id
 258 {
 259     ALG_ID_SHA1,
 260     ALG_ID_SHA256,
 261     ALG_ID_SHA384,
 262     ALG_ID_SHA512
 263 };
 264
 265 static const struct {
 266     ULONG hash_length;
 267     const WCHAR *alg_name;
 268 } alg_props[] = {
 269     /* ALG_ID_SHA1   */ { 20, BCRYPT_SHA1_ALGORITHM },
 270     /* ALG_ID_SHA256 */ { 32, BCRYPT_SHA256_ALGORITHM },
 271     /* ALG_ID_SHA384 */ { 48, BCRYPT_SHA384_ALGORITHM },
 272     /* ALG_ID_SHA512 */ { 64, BCRYPT_SHA512_ALGORITHM }
 273 };
 274
 275 struct algorithm
 276 {
 277     struct object hdr;
 278     enum alg_id   id;
 279 };
 280
 281 NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, LPCWSTR id, LPCWSTR implementation, DWORD flags )
 282 {
 283     struct algorithm *alg;
 284     enum alg_id alg_id;
 285
 286     TRACE( "%p, %s, %s, %08x\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
 287
 288     if (!handle || !id) return STATUS_INVALID_PARAMETER;
 289     if (flags)
 290     {
 291         FIXME( "unimplemented flags %08x\n", flags );
 292         return STATUS_NOT_IMPLEMENTED;
 293     }
 294
 295     if (!strcmpW( id, BCRYPT_SHA1_ALGORITHM )) alg_id = ALG_ID_SHA1;
 296     else if (!strcmpW( id, BCRYPT_SHA256_ALGORITHM )) alg_id = ALG_ID_SHA256;
 297     else if (!strcmpW( id, BCRYPT_SHA384_ALGORITHM )) alg_id = ALG_ID_SHA384;
 298     else if (!strcmpW( id, BCRYPT_SHA512_ALGORITHM )) alg_id = ALG_ID_SHA512;
 299     else
 300     {
 301         FIXME( "algorithm %s not supported\n", debugstr_w(id) );
 302         return STATUS_NOT_IMPLEMENTED;
 303     }
 304     if (implementation && strcmpW( implementation, MS_PRIMITIVE_PROVIDER ))
 305     {
 306         FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
 307         return STATUS_NOT_IMPLEMENTED;
 308     }
 309
 310     if (!(alg = HeapAlloc( GetProcessHeap(), 0, sizeof(*alg) ))) return STATUS_NO_MEMORY;
 311     alg->hdr.magic = MAGIC_ALG;
 312     alg->id        = alg_id;
 313
 314     *handle = alg;
 315     return STATUS_SUCCESS;
 316 }
 317
 318 NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
 319 {
 320     struct algorithm *alg = handle;
 321
 322     TRACE( "%p, %08x\n", handle, flags );
 323
 324     if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
 325     HeapFree( GetProcessHeap(), 0, alg );
 326     return STATUS_SUCCESS;
 327 }
 328
 329 NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
 330 {
 331     FIXME("%p - semi-stub\n", enabled);
 332
 333     if (!enabled)
 334         return STATUS_INVALID_PARAMETER;
 335
 336     *enabled = FALSE;
 337     return STATUS_SUCCESS;
 338 }
 339
 340 #ifdef HAVE_COMMONCRYPTO_COMMONDIGEST_H
 341 struct hash
 342 {
 343     struct object hdr;
 344     enum alg_id   alg_id;
 345     union
 346     {
 347         CC_SHA1_CTX   sha1_ctx;
 348         CC_SHA256_CTX sha256_ctx;
 349         CC_SHA512_CTX sha512_ctx;
 350     } u;
 351 };
 352
 353 static NTSTATUS hash_init( struct hash *hash )
 354 {
 355     switch (hash->alg_id)
 356     {
 357     case ALG_ID_SHA1:
 358         CC_SHA1_Init( &hash->u.sha1_ctx );
 359         break;
 360
 361     case ALG_ID_SHA256:
 362         CC_SHA256_Init( &hash->u.sha256_ctx );
 363         break;
 364
 365     case ALG_ID_SHA384:
 366         CC_SHA384_Init( &hash->u.sha512_ctx );
 367         break;
 368
 369     case ALG_ID_SHA512:
 370         CC_SHA512_Init( &hash->u.sha512_ctx );
 371         break;
 372
 373     default:
 374         ERR( "unhandled id %u\n", hash->alg_id );
 375         return STATUS_NOT_IMPLEMENTED;
 376     }
 377     return STATUS_SUCCESS;
 378 }
 379
 380 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 381 {
 382     switch (hash->alg_id)
 383     {
 384     case ALG_ID_SHA1:
 385         CC_SHA1_Update( &hash->u.sha1_ctx, input, size );
 386         break;
 387
 388     case ALG_ID_SHA256:
 389         CC_SHA256_Update( &hash->u.sha256_ctx, input, size );
 390         break;
 391
 392     case ALG_ID_SHA384:
 393         CC_SHA384_Update( &hash->u.sha512_ctx, input, size );
 394         break;
 395
 396     case ALG_ID_SHA512:
 397         CC_SHA512_Update( &hash->u.sha512_ctx, input, size );
 398         break;
 399
 400     default:
 401         ERR( "unhandled id %u\n", hash->alg_id );
 402         return STATUS_NOT_IMPLEMENTED;
 403     }
 404     return STATUS_SUCCESS;
 405 }
 406
 407 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 408 {
 409     switch (hash->alg_id)
 410     {
 411     case ALG_ID_SHA1:
 412         CC_SHA1_Final( output, &hash->u.sha1_ctx );
 413         break;
 414
 415     case ALG_ID_SHA256:
 416         CC_SHA256_Final( output, &hash->u.sha256_ctx );
 417         break;
 418
 419     case ALG_ID_SHA384:
 420         CC_SHA384_Final( output, &hash->u.sha512_ctx );
 421         break;
 422
 423     case ALG_ID_SHA512:
 424         CC_SHA512_Final( output, &hash->u.sha512_ctx );
 425         break;
 426
 427     default:
 428         ERR( "unhandled id %u\n", hash->alg_id );
 429         break;
 430     }
 431     return STATUS_SUCCESS;
 432 }
 433 #elif defined(HAVE_GNUTLS_HASH)
 434 struct hash
 435 {
 436     struct object    hdr;
 437     enum alg_id      alg_id;
 438     gnutls_hash_hd_t handle;
 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_SHA1:
 450         alg = GNUTLS_DIG_SHA1;
 451         break;
 452
 453     case ALG_ID_SHA256:
 454         alg = GNUTLS_DIG_SHA256;
 455         break;
 456
 457     case ALG_ID_SHA384:
 458         alg = GNUTLS_DIG_SHA384;
 459         break;
 460
 461     case ALG_ID_SHA512:
 462         alg = GNUTLS_DIG_SHA512;
 463         break;
 464
 465     default:
 466         ERR( "unhandled id %u\n", hash->alg_id );
 467         return STATUS_NOT_IMPLEMENTED;
 468     }
 469
 470     if (pgnutls_hash_init( &hash->handle, alg )) return STATUS_INTERNAL_ERROR;
 471     return STATUS_SUCCESS;
 472 }
 473
 474 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 475 {
 476     if (pgnutls_hash( hash->handle, input, size )) return STATUS_INTERNAL_ERROR;
 477     return STATUS_SUCCESS;
 478 }
 479
 480 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 481 {
 482     pgnutls_hash_deinit( hash->handle, output );
 483     return STATUS_SUCCESS;
 484 }
 485 #elif defined(SONAME_LIBMBEDTLS)
 486 struct hash
 487 {
 488     struct object    hdr;
 489     enum alg_id      alg_id;
 490     union
 491     {
 492         mbedtls_sha1_context   sha1_ctx;
 493         mbedtls_sha256_context sha256_ctx;
 494         mbedtls_sha512_context sha512_ctx;
 495     } u;
 496 };
 497
 498 static NTSTATUS hash_init( struct hash *hash )
 499 {
 500 #ifndef __REACTOS__
 501     if (!libmbedtls_handle) return STATUS_INTERNAL_ERROR;
 502 #endif
 503     switch (hash->alg_id)
 504     {
 505     case ALG_ID_SHA1:
 506         mbedtls_sha1_init(&hash->u.sha1_ctx);
 507         mbedtls_sha1_starts(&hash->u.sha1_ctx);
 508         break;
 509
 510     case ALG_ID_SHA256:
 511         mbedtls_sha256_init(&hash->u.sha256_ctx);
 512         mbedtls_sha256_starts(&hash->u.sha256_ctx, FALSE);
 513         break;
 514
 515     case ALG_ID_SHA384:
 516     case ALG_ID_SHA512:
 517         mbedtls_sha512_init(&hash->u.sha512_ctx);
 518         mbedtls_sha512_starts(&hash->u.sha512_ctx, hash->alg_id==ALG_ID_SHA384);
 519         break;
 520
 521     default:
 522         ERR( "unhandled id %u\n", hash->alg_id );
 523         return STATUS_NOT_IMPLEMENTED;
 524     }
 525
 526     return STATUS_SUCCESS;
 527 }
 528
 529 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 530 {
 531 #ifndef __REACTOS__
 532     if (!libmbedtls_handle) return STATUS_INTERNAL_ERROR;
 533 #endif
 534     switch (hash->alg_id)
 535     {
 536     case ALG_ID_SHA1:
 537         mbedtls_sha1_update(&hash->u.sha1_ctx, input, size);
 538         break;
 539
 540     case ALG_ID_SHA256:
 541         mbedtls_sha256_update(&hash->u.sha256_ctx, input, size);
 542         break;
 543
 544     case ALG_ID_SHA384:
 545     case ALG_ID_SHA512:
 546         mbedtls_sha512_update(&hash->u.sha512_ctx, input, size);
 547         break;
 548
 549     default:
 550         ERR( "unhandled id %u\n", hash->alg_id );
 551         return STATUS_NOT_IMPLEMENTED;
 552     }
 553
 554     return STATUS_SUCCESS;
 555 }
 556
 557 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 558 {
 559 #ifndef __REACTOS__
 560     if (!libmbedtls_handle) return STATUS_INTERNAL_ERROR;
 561 #endif
 562     switch (hash->alg_id)
 563     {
 564     case ALG_ID_SHA1:
 565         mbedtls_sha1_finish(&hash->u.sha1_ctx, output);
 566         mbedtls_sha1_free(&hash->u.sha1_ctx);
 567         break;
 568
 569     case ALG_ID_SHA256:
 570         mbedtls_sha256_finish(&hash->u.sha256_ctx, output);
 571         mbedtls_sha256_free(&hash->u.sha256_ctx);
 572         break;
 573
 574     case ALG_ID_SHA384:
 575     case ALG_ID_SHA512:
 576         mbedtls_sha512_finish(&hash->u.sha512_ctx, output);
 577         mbedtls_sha512_free(&hash->u.sha512_ctx);
 578         break;
 579
 580     default:
 581         ERR( "unhandled id %u\n", hash->alg_id );
 582         return STATUS_NOT_IMPLEMENTED;
 583     }
 584
 585     return STATUS_SUCCESS;
 586 }
 587 #else
 588 struct hash
 589 {
 590     struct object hdr;
 591     enum alg_id   alg_id;
 592 };
 593
 594 static NTSTATUS hash_init( struct hash *hash )
 595 {
 596     ERR( "support for hashes not available at build time\n" );
 597     return STATUS_NOT_IMPLEMENTED;
 598 }
 599
 600 static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
 601 {
 602     ERR( "support for hashes not available at build time\n" );
 603     return STATUS_NOT_IMPLEMENTED;
 604 }
 605
 606 static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
 607 {
 608     ERR( "support for hashes not available at build time\n" );
 609     return STATUS_NOT_IMPLEMENTED;
 610 }
 611 #endif
 612
 613 #define OBJECT_LENGTH_SHA1      278
 614 #define OBJECT_LENGTH_SHA256    286
 615 #define OBJECT_LENGTH_SHA384    382
 616 #define OBJECT_LENGTH_SHA512    382
 617
 618 static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 619 {
 620     if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
 621     {
 622         *ret_size = sizeof(ULONG);
 623         if (size < sizeof(ULONG))
 624             return STATUS_BUFFER_TOO_SMALL;
 625         if(buf)
 626             *(ULONG*)buf = alg_props[id].hash_length;
 627         return STATUS_SUCCESS;
 628     }
 629
 630     if (!strcmpW( prop, BCRYPT_ALGORITHM_NAME ))
 631     {
 632         *ret_size = (strlenW(alg_props[id].alg_name)+1)*sizeof(WCHAR);
 633         if (size < *ret_size)
 634             return STATUS_BUFFER_TOO_SMALL;
 635         if(buf)
 636             memcpy(buf, alg_props[id].alg_name, *ret_size);
 637         return STATUS_SUCCESS;
 638     }
 639
 640     return STATUS_NOT_IMPLEMENTED;
 641 }
 642
 643 static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 644 {
 645     NTSTATUS status;
 646     ULONG value;
 647
 648     status = generic_alg_property( id, prop, buf, size, ret_size );
 649     if (status != STATUS_NOT_IMPLEMENTED)
 650         return status;
 651
 652     switch (id)
 653     {
 654     case ALG_ID_SHA1:
 655         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 656         {
 657             value = OBJECT_LENGTH_SHA1;
 658             break;
 659         }
 660         FIXME( "unsupported sha1 algorithm property %s\n", debugstr_w(prop) );
 661         return STATUS_NOT_IMPLEMENTED;
 662
 663     case ALG_ID_SHA256:
 664         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 665         {
 666             value = OBJECT_LENGTH_SHA256;
 667             break;
 668         }
 669         FIXME( "unsupported sha256 algorithm property %s\n", debugstr_w(prop) );
 670         return STATUS_NOT_IMPLEMENTED;
 671
 672     case ALG_ID_SHA384:
 673         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 674         {
 675             value = OBJECT_LENGTH_SHA384;
 676             break;
 677         }
 678         FIXME( "unsupported sha384 algorithm property %s\n", debugstr_w(prop) );
 679         return STATUS_NOT_IMPLEMENTED;
 680
 681     case ALG_ID_SHA512:
 682         if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
 683         {
 684             value = OBJECT_LENGTH_SHA512;
 685             break;
 686         }
 687         FIXME( "unsupported sha512 algorithm property %s\n", debugstr_w(prop) );
 688         return STATUS_NOT_IMPLEMENTED;
 689
 690     default:
 691         FIXME( "unsupported algorithm %u\n", id );
 692         return STATUS_NOT_IMPLEMENTED;
 693     }
 694
 695     if (size < sizeof(ULONG))
 696     {
 697         *ret_size = sizeof(ULONG);
 698         return STATUS_BUFFER_TOO_SMALL;
 699     }
 700     if (buf) *(ULONG *)buf = value;
 701     *ret_size = sizeof(ULONG);
 702
 703     return STATUS_SUCCESS;
 704 }
 705
 706 static NTSTATUS get_hash_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
 707 {
 708     NTSTATUS status;
 709
 710     status = generic_alg_property( id, prop, buf, size, ret_size );
 711     if (status == STATUS_NOT_IMPLEMENTED)
 712         FIXME( "unsupported property %s\n", debugstr_w(prop) );
 713     return status;
 714 }
 715
 716 NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )
 717 {
 718     struct object *object = handle;
 719
 720     TRACE( "%p, %s, %p, %u, %p, %08x\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
 721
 722     if (!object) return STATUS_INVALID_HANDLE;
 723     if (!prop || !res) return STATUS_INVALID_PARAMETER;
 724
 725     switch (object->magic)
 726     {
 727     case MAGIC_ALG:
 728     {
 729         const struct algorithm *alg = (const struct algorithm *)object;
 730         return get_alg_property( alg->id, prop, buffer, count, res );
 731     }
 732     case MAGIC_HASH:
 733     {
 734         const struct hash *hash = (const struct hash *)object;
 735         return get_hash_property( hash->alg_id, prop, buffer, count, res );
 736     }
 737     default:
 738         WARN( "unknown magic %08x\n", object->magic );
 739         return STATUS_INVALID_HANDLE;
 740     }
 741 }
 742
 743 NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm, BCRYPT_HASH_HANDLE *handle, UCHAR *object, ULONG objectlen,
 744                                   UCHAR *secret, ULONG secretlen, ULONG flags )
 745 {
 746     struct algorithm *alg = algorithm;
 747     struct hash *hash;
 748     NTSTATUS status;
 749
 750     TRACE( "%p, %p, %p, %u, %p, %u, %08x - stub\n", algorithm, handle, object, objectlen,
 751            secret, secretlen, flags );
 752     if (flags)
 753     {
 754         FIXME( "unimplemented flags %08x\n", flags );
 755         return STATUS_NOT_IMPLEMENTED;
 756     }
 757
 758     if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
 759     if (object) FIXME( "ignoring object buffer\n" );
 760
 761     if (!(hash = HeapAlloc( GetProcessHeap(), 0, sizeof(*hash) ))) return STATUS_NO_MEMORY;
 762     hash->hdr.magic = MAGIC_HASH;
 763     hash->alg_id    = alg->id;
 764     if ((status = hash_init( hash )) != STATUS_SUCCESS)
 765     {
 766         HeapFree( GetProcessHeap(), 0, hash );
 767         return status;
 768     }
 769
 770     *handle = hash;
 771     return STATUS_SUCCESS;
 772 }
 773
 774 NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
 775 {
 776     struct hash *hash = handle;
 777
 778     TRACE( "%p\n", handle );
 779
 780     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 781     HeapFree( GetProcessHeap(), 0, hash );
 782     return STATUS_SUCCESS;
 783 }
 784
 785 NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
 786 {
 787     struct hash *hash = handle;
 788
 789     TRACE( "%p, %p, %u, %08x\n", handle, input, size, flags );
 790
 791     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 792     if (!input) return STATUS_INVALID_PARAMETER;
 793
 794     return hash_update( hash, input, size );
 795 }
 796
 797 NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
 798 {
 799     struct hash *hash = handle;
 800
 801     TRACE( "%p, %p, %u, %08x\n", handle, output, size, flags );
 802
 803     if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
 804     if (!output) return STATUS_INVALID_PARAMETER;
 805
 806     return hash_finish( hash, output, size );
 807 }
 808
 809 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 810 {
 811     switch (reason)
 812     {
 813     case DLL_PROCESS_ATTACH:
 814         instance = hinst;
 815         DisableThreadLibraryCalls( hinst );
 816 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
 817         gnutls_initialize();
 818 #elif defined(SONAME_LIBMBEDTLS) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H) && !defined(__REACTOS__)
 819         mbedtls_initialize();
 820 #endif
 821         break;
 822
 823     case DLL_PROCESS_DETACH:
 824         if (reserved) break;
 825 #if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
 826         gnutls_uninitialize();
 827 #elif defined(SONAME_LIBMBEDTLS) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H) && !defined(__REACTOS__)
 828         mbedtls_uninitialize();
 829 #endif
 830         break;
 831     }
 832     return TRUE;
 833 }