2 * Copyright 2009 Henri Verbeet for CodeWeavers
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.
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.
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
23 #define WIN32_NO_STATUS
31 #include "bcrypt_internal.h"
33 #include "wine/debug.h"
34 #include "wine/heap.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(bcrypt
);
38 static HINSTANCE instance
;
40 static const struct key_funcs
*key_funcs
;
42 NTSTATUS WINAPI
BCryptAddContextFunction(ULONG table
, LPCWSTR context
, ULONG iface
, LPCWSTR function
, ULONG pos
)
44 FIXME("%08x, %s, %08x, %s, %u: stub\n", table
, debugstr_w(context
), iface
, debugstr_w(function
), pos
);
45 return STATUS_SUCCESS
;
48 NTSTATUS WINAPI
BCryptAddContextFunctionProvider(ULONG table
, LPCWSTR context
, ULONG iface
, LPCWSTR function
, LPCWSTR provider
, ULONG pos
)
50 FIXME("%08x, %s, %08x, %s, %s, %u: stub\n", table
, debugstr_w(context
), iface
, debugstr_w(function
), debugstr_w(provider
), pos
);
51 return STATUS_SUCCESS
;
54 NTSTATUS WINAPI
BCryptRemoveContextFunction(ULONG table
, LPCWSTR context
, ULONG iface
, LPCWSTR function
)
56 FIXME("%08x, %s, %08x, %s: stub\n", table
, debugstr_w(context
), iface
, debugstr_w(function
));
57 return STATUS_NOT_IMPLEMENTED
;
60 NTSTATUS WINAPI
BCryptRemoveContextFunctionProvider(ULONG table
, LPCWSTR context
, ULONG iface
, LPCWSTR function
, LPCWSTR provider
)
62 FIXME("%08x, %s, %08x, %s, %s: stub\n", table
, debugstr_w(context
), iface
, debugstr_w(function
), debugstr_w(provider
));
63 return STATUS_NOT_IMPLEMENTED
;
66 NTSTATUS WINAPI
BCryptEnumContextFunctions( ULONG table
, const WCHAR
*ctx
, ULONG iface
, ULONG
*buflen
,
67 CRYPT_CONTEXT_FUNCTIONS
**buffer
)
69 FIXME( "%u, %s, %u, %p, %p\n", table
, debugstr_w(ctx
), iface
, buflen
, buffer
);
70 return STATUS_NOT_IMPLEMENTED
;
73 void WINAPI
BCryptFreeBuffer( void *buffer
)
75 FIXME( "%p\n", buffer
);
78 NTSTATUS WINAPI
BCryptRegisterProvider(LPCWSTR provider
, ULONG flags
, PCRYPT_PROVIDER_REG reg
)
80 FIXME("%s, %08x, %p: stub\n", debugstr_w(provider
), flags
, reg
);
81 return STATUS_SUCCESS
;
84 NTSTATUS WINAPI
BCryptUnregisterProvider(LPCWSTR provider
)
86 FIXME("%s: stub\n", debugstr_w(provider
));
87 return STATUS_NOT_IMPLEMENTED
;
90 #define MAX_HASH_OUTPUT_BYTES 64
91 #define MAX_HASH_BLOCK_BITS 1024
93 /* ordered by class, keep in sync with enum alg_id */
102 builtin_algorithms
[] =
104 { BCRYPT_3DES_ALGORITHM
, BCRYPT_CIPHER_INTERFACE
, 522, 0, 0 },
105 { BCRYPT_AES_ALGORITHM
, BCRYPT_CIPHER_INTERFACE
, 654, 0, 0 },
106 { BCRYPT_SHA256_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 286, 32, 512 },
107 { BCRYPT_SHA384_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 382, 48, 1024 },
108 { BCRYPT_SHA512_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 382, 64, 1024 },
109 { BCRYPT_SHA1_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 278, 20, 512 },
110 { BCRYPT_MD5_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 274, 16, 512 },
111 { BCRYPT_MD4_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 270, 16, 512 },
112 { BCRYPT_MD2_ALGORITHM
, BCRYPT_HASH_INTERFACE
, 270, 16, 128 },
113 { BCRYPT_RSA_ALGORITHM
, BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE
, 0, 0, 0 },
114 { BCRYPT_ECDH_P256_ALGORITHM
, BCRYPT_SECRET_AGREEMENT_INTERFACE
, 0, 0, 0 },
115 { BCRYPT_RSA_SIGN_ALGORITHM
, BCRYPT_SIGNATURE_INTERFACE
, 0, 0, 0 },
116 { BCRYPT_ECDSA_P256_ALGORITHM
, BCRYPT_SIGNATURE_INTERFACE
, 0, 0, 0 },
117 { BCRYPT_ECDSA_P384_ALGORITHM
, BCRYPT_SIGNATURE_INTERFACE
, 0, 0, 0 },
118 { BCRYPT_DSA_ALGORITHM
, BCRYPT_SIGNATURE_INTERFACE
, 0, 0, 0 },
119 { BCRYPT_RNG_ALGORITHM
, BCRYPT_RNG_INTERFACE
, 0, 0, 0 },
122 static BOOL
match_operation_type( ULONG type
, ULONG
class )
124 if (!type
) return TRUE
;
127 case BCRYPT_CIPHER_INTERFACE
: return type
& BCRYPT_CIPHER_OPERATION
;
128 case BCRYPT_HASH_INTERFACE
: return type
& BCRYPT_HASH_OPERATION
;
129 case BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE
: return type
& BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION
;
130 case BCRYPT_SECRET_AGREEMENT_INTERFACE
: return type
& BCRYPT_SECRET_AGREEMENT_OPERATION
;
131 case BCRYPT_SIGNATURE_INTERFACE
: return type
& BCRYPT_SIGNATURE_OPERATION
;
132 case BCRYPT_RNG_INTERFACE
: return type
& BCRYPT_RNG_OPERATION
;
138 NTSTATUS WINAPI
BCryptEnumAlgorithms( ULONG type
, ULONG
*ret_count
, BCRYPT_ALGORITHM_IDENTIFIER
**ret_list
, ULONG flags
)
140 static const ULONG supported
= BCRYPT_CIPHER_OPERATION
|\
141 BCRYPT_HASH_OPERATION
|\
142 BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION
|\
143 BCRYPT_SECRET_AGREEMENT_OPERATION
|\
144 BCRYPT_SIGNATURE_OPERATION
|\
145 BCRYPT_RNG_OPERATION
;
146 BCRYPT_ALGORITHM_IDENTIFIER
*list
;
149 TRACE( "%08x, %p, %p, %08x\n", type
, ret_count
, ret_list
, flags
);
151 if (!ret_count
|| !ret_list
|| (type
& ~supported
)) return STATUS_INVALID_PARAMETER
;
153 for (i
= 0; i
< ARRAY_SIZE( builtin_algorithms
); i
++)
155 if (match_operation_type( type
, builtin_algorithms
[i
].class )) count
++;
158 if (!(list
= heap_alloc( count
* sizeof(*list
) ))) return STATUS_NO_MEMORY
;
160 for (i
= 0; i
< ARRAY_SIZE( builtin_algorithms
); i
++)
162 if (!match_operation_type( type
, builtin_algorithms
[i
].class )) continue;
163 list
[i
].pszName
= (WCHAR
*)builtin_algorithms
[i
].name
;
164 list
[i
].dwClass
= builtin_algorithms
[i
].class;
170 return STATUS_SUCCESS
;
173 NTSTATUS WINAPI
BCryptGenRandom(BCRYPT_ALG_HANDLE handle
, UCHAR
*buffer
, ULONG count
, ULONG flags
)
175 const DWORD supported_flags
= BCRYPT_USE_SYSTEM_PREFERRED_RNG
;
176 struct algorithm
*algorithm
= handle
;
178 TRACE("%p, %p, %u, %08x - semi-stub\n", handle
, buffer
, count
, flags
);
182 /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
183 * is set. In this case the preferred system RNG is used.
185 if (!(flags
& BCRYPT_USE_SYSTEM_PREFERRED_RNG
))
186 return STATUS_INVALID_HANDLE
;
188 else if (algorithm
->hdr
.magic
!= MAGIC_ALG
|| algorithm
->id
!= ALG_ID_RNG
)
189 return STATUS_INVALID_HANDLE
;
192 return STATUS_INVALID_PARAMETER
;
194 if (flags
& ~supported_flags
)
195 FIXME("unsupported flags %08x\n", flags
& ~supported_flags
);
198 FIXME("ignoring selected algorithm\n");
200 /* When zero bytes are requested the function returns success too. */
202 return STATUS_SUCCESS
;
204 if (algorithm
|| (flags
& BCRYPT_USE_SYSTEM_PREFERRED_RNG
))
206 if (RtlGenRandom(buffer
, count
))
207 return STATUS_SUCCESS
;
210 FIXME("called with unsupported parameters, returning error\n");
211 return STATUS_NOT_IMPLEMENTED
;
214 NTSTATUS WINAPI
BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE
*handle
, LPCWSTR id
, LPCWSTR implementation
, DWORD flags
)
216 const DWORD supported_flags
= BCRYPT_ALG_HANDLE_HMAC_FLAG
| BCRYPT_HASH_REUSABLE_FLAG
;
217 struct algorithm
*alg
;
221 TRACE( "%p, %s, %s, %08x\n", handle
, wine_dbgstr_w(id
), wine_dbgstr_w(implementation
), flags
);
223 if (!handle
|| !id
) return STATUS_INVALID_PARAMETER
;
224 if (flags
& ~supported_flags
)
226 FIXME( "unsupported flags %08x\n", flags
& ~supported_flags
);
227 return STATUS_NOT_IMPLEMENTED
;
230 for (i
= 0; i
< ARRAY_SIZE( builtin_algorithms
); i
++)
232 if (!wcscmp( id
, builtin_algorithms
[i
].name
))
238 if (i
== ARRAY_SIZE( builtin_algorithms
))
240 FIXME( "algorithm %s not supported\n", debugstr_w(id
) );
241 return STATUS_NOT_IMPLEMENTED
;
244 if (implementation
&& wcscmp( implementation
, MS_PRIMITIVE_PROVIDER
))
246 FIXME( "implementation %s not supported\n", debugstr_w(implementation
) );
247 return STATUS_NOT_IMPLEMENTED
;
250 if (!(alg
= heap_alloc( sizeof(*alg
) ))) return STATUS_NO_MEMORY
;
251 alg
->hdr
.magic
= MAGIC_ALG
;
253 alg
->mode
= MODE_ID_CBC
;
257 return STATUS_SUCCESS
;
260 NTSTATUS WINAPI
BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle
, DWORD flags
)
262 struct algorithm
*alg
= handle
;
264 TRACE( "%p, %08x\n", handle
, flags
);
266 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
269 return STATUS_SUCCESS
;
272 NTSTATUS WINAPI
BCryptGetFipsAlgorithmMode(BOOLEAN
*enabled
)
274 FIXME("%p - semi-stub\n", enabled
);
277 return STATUS_INVALID_PARAMETER
;
280 return STATUS_SUCCESS
;
296 static NTSTATUS
hash_init( struct hash_impl
*hash
, enum alg_id alg_id
)
301 md2_init( &hash
->u
.md2
);
305 MD4Init( &hash
->u
.md4
);
309 MD5Init( &hash
->u
.md5
);
313 A_SHAInit( &hash
->u
.sha1
);
317 sha256_init( &hash
->u
.sha256
);
321 sha384_init( &hash
->u
.sha512
);
325 sha512_init( &hash
->u
.sha512
);
329 ERR( "unhandled id %u\n", alg_id
);
330 return STATUS_NOT_IMPLEMENTED
;
332 return STATUS_SUCCESS
;
335 static NTSTATUS
hash_update( struct hash_impl
*hash
, enum alg_id alg_id
,
336 UCHAR
*input
, ULONG size
)
341 md2_update( &hash
->u
.md2
, input
, size
);
345 MD4Update( &hash
->u
.md4
, input
, size
);
349 MD5Update( &hash
->u
.md5
, input
, size
);
353 A_SHAUpdate( &hash
->u
.sha1
, input
, size
);
357 sha256_update( &hash
->u
.sha256
, input
, size
);
361 sha384_update( &hash
->u
.sha512
, input
, size
);
365 sha512_update( &hash
->u
.sha512
, input
, size
);
369 ERR( "unhandled id %u\n", alg_id
);
370 return STATUS_NOT_IMPLEMENTED
;
372 return STATUS_SUCCESS
;
375 static NTSTATUS
hash_finish( struct hash_impl
*hash
, enum alg_id alg_id
,
376 UCHAR
*output
, ULONG size
)
381 md2_finalize( &hash
->u
.md2
, output
);
385 MD4Final( &hash
->u
.md4
);
386 memcpy( output
, hash
->u
.md4
.digest
, 16 );
390 MD5Final( &hash
->u
.md5
);
391 memcpy( output
, hash
->u
.md5
.digest
, 16 );
395 A_SHAFinal( &hash
->u
.sha1
, (ULONG
*)output
);
399 sha256_finalize( &hash
->u
.sha256
, output
);
403 sha384_finalize( &hash
->u
.sha512
, output
);
407 sha512_finalize( &hash
->u
.sha512
, output
);
411 ERR( "unhandled id %u\n", alg_id
);
412 return STATUS_NOT_IMPLEMENTED
;
414 return STATUS_SUCCESS
;
417 #define HASH_FLAG_HMAC 0x01
418 #define HASH_FLAG_REUSABLE 0x02
426 struct hash_impl outer
;
427 struct hash_impl inner
;
430 #define BLOCK_LENGTH_3DES 8
431 #define BLOCK_LENGTH_AES 16
433 static NTSTATUS
generic_alg_property( enum alg_id id
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
435 if (!wcscmp( prop
, BCRYPT_OBJECT_LENGTH
))
437 if (!builtin_algorithms
[id
].object_length
)
438 return STATUS_NOT_SUPPORTED
;
439 *ret_size
= sizeof(ULONG
);
440 if (size
< sizeof(ULONG
))
441 return STATUS_BUFFER_TOO_SMALL
;
443 *(ULONG
*)buf
= builtin_algorithms
[id
].object_length
;
444 return STATUS_SUCCESS
;
447 if (!wcscmp( prop
, BCRYPT_HASH_LENGTH
))
449 if (!builtin_algorithms
[id
].hash_length
)
450 return STATUS_NOT_SUPPORTED
;
451 *ret_size
= sizeof(ULONG
);
452 if (size
< sizeof(ULONG
))
453 return STATUS_BUFFER_TOO_SMALL
;
455 *(ULONG
*)buf
= builtin_algorithms
[id
].hash_length
;
456 return STATUS_SUCCESS
;
459 if (!wcscmp( prop
, BCRYPT_ALGORITHM_NAME
))
461 *ret_size
= (lstrlenW(builtin_algorithms
[id
].name
) + 1) * sizeof(WCHAR
);
462 if (size
< *ret_size
)
463 return STATUS_BUFFER_TOO_SMALL
;
465 memcpy(buf
, builtin_algorithms
[id
].name
, *ret_size
);
466 return STATUS_SUCCESS
;
469 return STATUS_NOT_IMPLEMENTED
;
472 static NTSTATUS
get_3des_property( enum mode_id mode
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
474 if (!wcscmp( prop
, BCRYPT_BLOCK_LENGTH
))
476 *ret_size
= sizeof(ULONG
);
477 if (size
< sizeof(ULONG
)) return STATUS_BUFFER_TOO_SMALL
;
478 if (buf
) *(ULONG
*)buf
= BLOCK_LENGTH_3DES
;
479 return STATUS_SUCCESS
;
481 if (!wcscmp( prop
, BCRYPT_CHAINING_MODE
))
486 case MODE_ID_CBC
: str
= BCRYPT_CHAIN_MODE_CBC
; break;
487 default: return STATUS_NOT_IMPLEMENTED
;
491 if (size
< *ret_size
) return STATUS_BUFFER_TOO_SMALL
;
492 memcpy( buf
, str
, (lstrlenW(str
) + 1) * sizeof(WCHAR
) );
493 return STATUS_SUCCESS
;
495 if (!wcscmp( prop
, BCRYPT_KEY_LENGTHS
))
497 BCRYPT_KEY_LENGTHS_STRUCT
*key_lengths
= (void *)buf
;
498 *ret_size
= sizeof(*key_lengths
);
499 if (key_lengths
&& size
< *ret_size
) return STATUS_BUFFER_TOO_SMALL
;
502 key_lengths
->dwMinLength
= 192;
503 key_lengths
->dwMaxLength
= 192;
504 key_lengths
->dwIncrement
= 0;
506 return STATUS_SUCCESS
;
508 FIXME( "unsupported property %s\n", debugstr_w(prop
) );
509 return STATUS_NOT_IMPLEMENTED
;
512 static NTSTATUS
get_aes_property( enum mode_id mode
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
514 if (!wcscmp( prop
, BCRYPT_BLOCK_LENGTH
))
516 *ret_size
= sizeof(ULONG
);
517 if (size
< sizeof(ULONG
)) return STATUS_BUFFER_TOO_SMALL
;
518 if (buf
) *(ULONG
*)buf
= BLOCK_LENGTH_AES
;
519 return STATUS_SUCCESS
;
521 if (!wcscmp( prop
, BCRYPT_CHAINING_MODE
))
526 case MODE_ID_ECB
: str
= BCRYPT_CHAIN_MODE_ECB
; break;
527 case MODE_ID_CBC
: str
= BCRYPT_CHAIN_MODE_CBC
; break;
528 case MODE_ID_GCM
: str
= BCRYPT_CHAIN_MODE_GCM
; break;
529 default: return STATUS_NOT_IMPLEMENTED
;
533 if (size
< *ret_size
) return STATUS_BUFFER_TOO_SMALL
;
534 memcpy( buf
, str
, (lstrlenW(str
) + 1) * sizeof(WCHAR
) );
535 return STATUS_SUCCESS
;
537 if (!wcscmp( prop
, BCRYPT_KEY_LENGTHS
))
539 BCRYPT_KEY_LENGTHS_STRUCT
*key_lengths
= (void *)buf
;
540 *ret_size
= sizeof(*key_lengths
);
541 if (key_lengths
&& size
< *ret_size
) return STATUS_BUFFER_TOO_SMALL
;
544 key_lengths
->dwMinLength
= 128;
545 key_lengths
->dwMaxLength
= 256;
546 key_lengths
->dwIncrement
= 64;
548 return STATUS_SUCCESS
;
550 if (!wcscmp( prop
, BCRYPT_AUTH_TAG_LENGTH
))
552 BCRYPT_AUTH_TAG_LENGTHS_STRUCT
*tag_length
= (void *)buf
;
553 if (mode
!= MODE_ID_GCM
) return STATUS_NOT_SUPPORTED
;
554 *ret_size
= sizeof(*tag_length
);
555 if (tag_length
&& size
< *ret_size
) return STATUS_BUFFER_TOO_SMALL
;
558 tag_length
->dwMinLength
= 12;
559 tag_length
->dwMaxLength
= 16;
560 tag_length
->dwIncrement
= 1;
562 return STATUS_SUCCESS
;
565 FIXME( "unsupported property %s\n", debugstr_w(prop
) );
566 return STATUS_NOT_IMPLEMENTED
;
569 static NTSTATUS
get_rsa_property( enum mode_id mode
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
571 if (!wcscmp( prop
, BCRYPT_PADDING_SCHEMES
))
573 *ret_size
= sizeof(ULONG
);
574 if (size
< sizeof(ULONG
)) return STATUS_BUFFER_TOO_SMALL
;
575 if (buf
) *(ULONG
*)buf
= BCRYPT_SUPPORTED_PAD_PKCS1_SIG
;
576 return STATUS_SUCCESS
;
579 FIXME( "unsupported property %s\n", debugstr_w(prop
) );
580 return STATUS_NOT_IMPLEMENTED
;
583 static NTSTATUS
get_dsa_property( enum mode_id mode
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
585 if (!wcscmp( prop
, BCRYPT_PADDING_SCHEMES
)) return STATUS_NOT_SUPPORTED
;
586 FIXME( "unsupported property %s\n", debugstr_w(prop
) );
587 return STATUS_NOT_IMPLEMENTED
;
590 static NTSTATUS
get_alg_property( const struct algorithm
*alg
, const WCHAR
*prop
,
591 UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
595 status
= generic_alg_property( alg
->id
, prop
, buf
, size
, ret_size
);
596 if (status
!= STATUS_NOT_IMPLEMENTED
)
602 return get_3des_property( alg
->mode
, prop
, buf
, size
, ret_size
);
605 return get_aes_property( alg
->mode
, prop
, buf
, size
, ret_size
);
608 return get_rsa_property( alg
->mode
, prop
, buf
, size
, ret_size
);
611 return get_dsa_property( alg
->mode
, prop
, buf
, size
, ret_size
);
617 FIXME( "unsupported property %s algorithm %u\n", debugstr_w(prop
), alg
->id
);
618 return STATUS_NOT_IMPLEMENTED
;
621 static NTSTATUS
set_alg_property( struct algorithm
*alg
, const WCHAR
*prop
, UCHAR
*value
, ULONG size
, ULONG flags
)
626 if (!wcscmp( prop
, BCRYPT_CHAINING_MODE
))
628 if (!wcscmp( (WCHAR
*)value
, BCRYPT_CHAIN_MODE_CBC
))
630 alg
->mode
= MODE_ID_CBC
;
631 return STATUS_SUCCESS
;
635 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR
*)value
) );
636 return STATUS_NOT_SUPPORTED
;
639 FIXME( "unsupported 3des algorithm property %s\n", debugstr_w(prop
) );
640 return STATUS_NOT_IMPLEMENTED
;
643 if (!wcscmp( prop
, BCRYPT_CHAINING_MODE
))
645 if (!wcscmp( (WCHAR
*)value
, BCRYPT_CHAIN_MODE_ECB
))
647 alg
->mode
= MODE_ID_ECB
;
648 return STATUS_SUCCESS
;
650 else if (!wcscmp( (WCHAR
*)value
, BCRYPT_CHAIN_MODE_CBC
))
652 alg
->mode
= MODE_ID_CBC
;
653 return STATUS_SUCCESS
;
655 else if (!wcscmp( (WCHAR
*)value
, BCRYPT_CHAIN_MODE_GCM
))
657 alg
->mode
= MODE_ID_GCM
;
658 return STATUS_SUCCESS
;
662 FIXME( "unsupported mode %s\n", debugstr_w((WCHAR
*)value
) );
663 return STATUS_NOT_IMPLEMENTED
;
666 FIXME( "unsupported aes algorithm property %s\n", debugstr_w(prop
) );
667 return STATUS_NOT_IMPLEMENTED
;
670 FIXME( "unsupported algorithm %u\n", alg
->id
);
671 return STATUS_NOT_IMPLEMENTED
;
675 static NTSTATUS
get_hash_property( const struct hash
*hash
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
679 status
= generic_alg_property( hash
->alg_id
, prop
, buf
, size
, ret_size
);
680 if (status
== STATUS_NOT_IMPLEMENTED
)
681 FIXME( "unsupported property %s\n", debugstr_w(prop
) );
685 static NTSTATUS
get_key_property( const struct key
*key
, const WCHAR
*prop
, UCHAR
*buf
, ULONG size
, ULONG
*ret_size
)
690 return get_3des_property( key
->u
.s
.mode
, prop
, buf
, size
, ret_size
);
693 if (!wcscmp( prop
, BCRYPT_AUTH_TAG_LENGTH
)) return STATUS_NOT_SUPPORTED
;
694 return get_aes_property( key
->u
.s
.mode
, prop
, buf
, size
, ret_size
);
697 FIXME( "unsupported algorithm %u\n", key
->alg_id
);
698 return STATUS_NOT_IMPLEMENTED
;
702 NTSTATUS WINAPI
BCryptGetProperty( BCRYPT_HANDLE handle
, LPCWSTR prop
, UCHAR
*buffer
, ULONG count
, ULONG
*res
, ULONG flags
)
704 struct object
*object
= handle
;
706 TRACE( "%p, %s, %p, %u, %p, %08x\n", handle
, wine_dbgstr_w(prop
), buffer
, count
, res
, flags
);
708 if (!object
) return STATUS_INVALID_HANDLE
;
709 if (!prop
|| !res
) return STATUS_INVALID_PARAMETER
;
711 switch (object
->magic
)
715 const struct algorithm
*alg
= (const struct algorithm
*)object
;
716 return get_alg_property( alg
, prop
, buffer
, count
, res
);
720 const struct key
*key
= (const struct key
*)object
;
721 return get_key_property( key
, prop
, buffer
, count
, res
);
725 const struct hash
*hash
= (const struct hash
*)object
;
726 return get_hash_property( hash
, prop
, buffer
, count
, res
);
729 WARN( "unknown magic %08x\n", object
->magic
);
730 return STATUS_INVALID_HANDLE
;
734 static NTSTATUS
hash_prepare( struct hash
*hash
)
736 UCHAR buffer
[MAX_HASH_BLOCK_BITS
/ 8] = {0};
740 /* initialize hash */
741 if ((status
= hash_init( &hash
->inner
, hash
->alg_id
))) return status
;
742 if (!(hash
->flags
& HASH_FLAG_HMAC
)) return STATUS_SUCCESS
;
744 /* initialize hmac */
745 if ((status
= hash_init( &hash
->outer
, hash
->alg_id
))) return status
;
746 block_bytes
= builtin_algorithms
[hash
->alg_id
].block_bits
/ 8;
747 if (hash
->secret_len
> block_bytes
)
749 struct hash_impl temp
;
750 if ((status
= hash_init( &temp
, hash
->alg_id
))) return status
;
751 if ((status
= hash_update( &temp
, hash
->alg_id
, hash
->secret
, hash
->secret_len
))) return status
;
752 if ((status
= hash_finish( &temp
, hash
->alg_id
, buffer
,
753 builtin_algorithms
[hash
->alg_id
].hash_length
))) return status
;
755 else memcpy( buffer
, hash
->secret
, hash
->secret_len
);
757 for (i
= 0; i
< block_bytes
; i
++) buffer
[i
] ^= 0x5c;
758 if ((status
= hash_update( &hash
->outer
, hash
->alg_id
, buffer
, block_bytes
))) return status
;
759 for (i
= 0; i
< block_bytes
; i
++) buffer
[i
] ^= (0x5c ^ 0x36);
760 return hash_update( &hash
->inner
, hash
->alg_id
, buffer
, block_bytes
);
763 static NTSTATUS
hash_create( const struct algorithm
*alg
, UCHAR
*secret
, ULONG secret_len
, ULONG flags
,
764 struct hash
**ret_hash
)
769 if (!(hash
= heap_alloc_zero( sizeof(*hash
) ))) return STATUS_NO_MEMORY
;
770 hash
->hdr
.magic
= MAGIC_HASH
;
771 hash
->alg_id
= alg
->id
;
772 if (alg
->flags
& BCRYPT_ALG_HANDLE_HMAC_FLAG
) hash
->flags
= HASH_FLAG_HMAC
;
773 if ((alg
->flags
& BCRYPT_HASH_REUSABLE_FLAG
) || (flags
& BCRYPT_HASH_REUSABLE_FLAG
))
774 hash
->flags
|= HASH_FLAG_REUSABLE
;
776 if (secret_len
&& !(hash
->secret
= heap_alloc( secret_len
)))
779 return STATUS_NO_MEMORY
;
781 memcpy( hash
->secret
, secret
, secret_len
);
782 hash
->secret_len
= secret_len
;
784 if ((status
= hash_prepare( hash
)))
786 heap_free( hash
->secret
);
792 return STATUS_SUCCESS
;
795 NTSTATUS WINAPI
BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm
, BCRYPT_HASH_HANDLE
*handle
, UCHAR
*object
,
796 ULONG object_len
, UCHAR
*secret
, ULONG secret_len
, ULONG flags
)
798 struct algorithm
*alg
= algorithm
;
802 TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm
, handle
, object
, object_len
,
803 secret
, secret_len
, flags
);
804 if (flags
& ~BCRYPT_HASH_REUSABLE_FLAG
)
806 FIXME( "unimplemented flags %08x\n", flags
);
807 return STATUS_NOT_IMPLEMENTED
;
810 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
811 if (object
) FIXME( "ignoring object buffer\n" );
813 if ((status
= hash_create( alg
, secret
, secret_len
, flags
, &hash
))) return status
;
815 return STATUS_SUCCESS
;
818 NTSTATUS WINAPI
BCryptDuplicateHash( BCRYPT_HASH_HANDLE handle
, BCRYPT_HASH_HANDLE
*handle_copy
,
819 UCHAR
*object
, ULONG objectlen
, ULONG flags
)
821 struct hash
*hash_orig
= handle
;
822 struct hash
*hash_copy
;
824 TRACE( "%p, %p, %p, %u, %u\n", handle
, handle_copy
, object
, objectlen
, flags
);
826 if (!hash_orig
|| hash_orig
->hdr
.magic
!= MAGIC_HASH
) return STATUS_INVALID_HANDLE
;
827 if (!handle_copy
) return STATUS_INVALID_PARAMETER
;
828 if (object
) FIXME( "ignoring object buffer\n" );
830 if (!(hash_copy
= heap_alloc( sizeof(*hash_copy
) )))
831 return STATUS_NO_MEMORY
;
833 memcpy( hash_copy
, hash_orig
, sizeof(*hash_orig
) );
834 if (hash_orig
->secret
&& !(hash_copy
->secret
= heap_alloc( hash_orig
->secret_len
)))
836 heap_free( hash_copy
);
837 return STATUS_NO_MEMORY
;
839 memcpy( hash_copy
->secret
, hash_orig
->secret
, hash_orig
->secret_len
);
841 *handle_copy
= hash_copy
;
842 return STATUS_SUCCESS
;
845 static void hash_destroy( struct hash
*hash
)
849 heap_free( hash
->secret
);
853 NTSTATUS WINAPI
BCryptDestroyHash( BCRYPT_HASH_HANDLE handle
)
855 struct hash
*hash
= handle
;
857 TRACE( "%p\n", handle
);
859 if (!hash
|| hash
->hdr
.magic
!= MAGIC_HASH
) return STATUS_INVALID_PARAMETER
;
860 hash_destroy( hash
);
861 return STATUS_SUCCESS
;
864 NTSTATUS WINAPI
BCryptHashData( BCRYPT_HASH_HANDLE handle
, UCHAR
*input
, ULONG size
, ULONG flags
)
866 struct hash
*hash
= handle
;
868 TRACE( "%p, %p, %u, %08x\n", handle
, input
, size
, flags
);
870 if (!hash
|| hash
->hdr
.magic
!= MAGIC_HASH
) return STATUS_INVALID_HANDLE
;
871 if (!input
) return STATUS_SUCCESS
;
873 return hash_update( &hash
->inner
, hash
->alg_id
, input
, size
);
876 static NTSTATUS
hash_finalize( struct hash
*hash
, UCHAR
*output
, ULONG size
)
878 UCHAR buffer
[MAX_HASH_OUTPUT_BYTES
];
882 if (!(hash
->flags
& HASH_FLAG_HMAC
))
884 if ((status
= hash_finish( &hash
->inner
, hash
->alg_id
, output
, size
))) return status
;
885 if (hash
->flags
& HASH_FLAG_REUSABLE
) return hash_prepare( hash
);
886 return STATUS_SUCCESS
;
889 hash_length
= builtin_algorithms
[hash
->alg_id
].hash_length
;
890 if ((status
= hash_finish( &hash
->inner
, hash
->alg_id
, buffer
, hash_length
))) return status
;
891 if ((status
= hash_update( &hash
->outer
, hash
->alg_id
, buffer
, hash_length
))) return status
;
892 if ((status
= hash_finish( &hash
->outer
, hash
->alg_id
, output
, size
))) return status
;
894 if (hash
->flags
& HASH_FLAG_REUSABLE
) return hash_prepare( hash
);
895 return STATUS_SUCCESS
;
898 NTSTATUS WINAPI
BCryptFinishHash( BCRYPT_HASH_HANDLE handle
, UCHAR
*output
, ULONG size
, ULONG flags
)
900 struct hash
*hash
= handle
;
902 TRACE( "%p, %p, %u, %08x\n", handle
, output
, size
, flags
);
904 if (!hash
|| hash
->hdr
.magic
!= MAGIC_HASH
) return STATUS_INVALID_HANDLE
;
905 if (!output
) return STATUS_INVALID_PARAMETER
;
907 return hash_finalize( hash
, output
, size
);
910 NTSTATUS WINAPI
BCryptHash( BCRYPT_ALG_HANDLE algorithm
, UCHAR
*secret
, ULONG secret_len
,
911 UCHAR
*input
, ULONG input_len
, UCHAR
*output
, ULONG output_len
)
913 struct algorithm
*alg
= algorithm
;
917 TRACE( "%p, %p, %u, %p, %u, %p, %u\n", algorithm
, secret
, secret_len
, input
, input_len
, output
, output_len
);
919 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
921 if ((status
= hash_create( alg
, secret
, secret_len
, 0, &hash
))) return status
;
922 if ((status
= hash_update( &hash
->inner
, hash
->alg_id
, input
, input_len
)))
924 hash_destroy( hash
);
927 status
= hash_finalize( hash
, output
, output_len
);
928 hash_destroy( hash
);
932 static NTSTATUS
key_asymmetric_create( struct key
**ret_key
, struct algorithm
*alg
, ULONG bitlen
,
933 const UCHAR
*pubkey
, ULONG pubkey_len
)
940 ERR( "no encryption support\n" );
941 return STATUS_NOT_IMPLEMENTED
;
944 if (!(key
= heap_alloc_zero( sizeof(*key
) ))) return STATUS_NO_MEMORY
;
945 key
->hdr
.magic
= MAGIC_KEY
;
946 key
->alg_id
= alg
->id
;
947 key
->u
.a
.bitlen
= bitlen
;
951 if (!(key
->u
.a
.pubkey
= heap_alloc( pubkey_len
)))
954 return STATUS_NO_MEMORY
;
956 memcpy( key
->u
.a
.pubkey
, pubkey
, pubkey_len
);
957 key
->u
.a
.pubkey_len
= pubkey_len
;
959 if ((status
= key_funcs
->key_asymmetric_init( key
)))
961 heap_free( key
->u
.a
.pubkey
);
966 return STATUS_SUCCESS
;
969 static BOOL
key_is_symmetric( struct key
*key
)
971 return builtin_algorithms
[key
->alg_id
].class == BCRYPT_CIPHER_INTERFACE
;
974 static BOOL
is_zero_vector( const UCHAR
*vector
, ULONG len
)
977 if (!vector
) return FALSE
;
978 for (i
= 0; i
< len
; i
++) if (vector
[i
]) return FALSE
;
982 static BOOL
is_equal_vector( const UCHAR
*vector
, ULONG len
, const UCHAR
*vector2
, ULONG len2
)
984 if (!vector
&& !vector2
) return TRUE
;
985 if (len
!= len2
) return FALSE
;
986 return !memcmp( vector
, vector2
, len
);
989 static NTSTATUS
key_symmetric_set_vector( struct key
*key
, UCHAR
*vector
, ULONG vector_len
)
991 BOOL needs_reset
= (!is_zero_vector( vector
, vector_len
) ||
992 !is_equal_vector( key
->u
.s
.vector
, key
->u
.s
.vector_len
, vector
, vector_len
));
994 heap_free( key
->u
.s
.vector
);
995 key
->u
.s
.vector
= NULL
;
996 key
->u
.s
.vector_len
= 0;
999 if (!(key
->u
.s
.vector
= heap_alloc( vector_len
))) return STATUS_NO_MEMORY
;
1000 memcpy( key
->u
.s
.vector
, vector
, vector_len
);
1001 key
->u
.s
.vector_len
= vector_len
;
1003 if (needs_reset
) key_funcs
->key_symmetric_vector_reset( key
);
1004 return STATUS_SUCCESS
;
1007 static NTSTATUS
key_import( BCRYPT_ALG_HANDLE algorithm
, const WCHAR
*type
, BCRYPT_KEY_HANDLE
*key
, UCHAR
*object
,
1008 ULONG object_len
, UCHAR
*input
, ULONG input_len
)
1012 if (!wcscmp( type
, BCRYPT_KEY_DATA_BLOB
))
1014 BCRYPT_KEY_DATA_BLOB_HEADER
*header
= (BCRYPT_KEY_DATA_BLOB_HEADER
*)input
;
1016 if (input_len
< sizeof(BCRYPT_KEY_DATA_BLOB_HEADER
)) return STATUS_BUFFER_TOO_SMALL
;
1017 if (header
->dwMagic
!= BCRYPT_KEY_DATA_BLOB_MAGIC
) return STATUS_INVALID_PARAMETER
;
1018 if (header
->dwVersion
!= BCRYPT_KEY_DATA_BLOB_VERSION1
)
1020 FIXME( "unknown key data blob version %u\n", header
->dwVersion
);
1021 return STATUS_INVALID_PARAMETER
;
1023 len
= header
->cbKeyData
;
1024 if (len
+ sizeof(BCRYPT_KEY_DATA_BLOB_HEADER
) > input_len
) return STATUS_INVALID_PARAMETER
;
1026 return BCryptGenerateSymmetricKey( algorithm
, key
, object
, object_len
, (UCHAR
*)&header
[1], len
, 0 );
1028 else if (!wcscmp( type
, BCRYPT_OPAQUE_KEY_BLOB
))
1030 if (input_len
< sizeof(len
)) return STATUS_BUFFER_TOO_SMALL
;
1031 len
= *(ULONG
*)input
;
1032 if (len
+ sizeof(len
) > input_len
) return STATUS_INVALID_PARAMETER
;
1034 return BCryptGenerateSymmetricKey( algorithm
, key
, object
, object_len
, input
+ sizeof(len
), len
, 0 );
1037 FIXME( "unsupported key type %s\n", debugstr_w(type
) );
1038 return STATUS_NOT_IMPLEMENTED
;
1041 static NTSTATUS
key_export( struct key
*key
, const WCHAR
*type
, UCHAR
*output
, ULONG output_len
, ULONG
*size
)
1043 if (!wcscmp( type
, BCRYPT_KEY_DATA_BLOB
))
1045 BCRYPT_KEY_DATA_BLOB_HEADER
*header
= (BCRYPT_KEY_DATA_BLOB_HEADER
*)output
;
1046 ULONG req_size
= sizeof(BCRYPT_KEY_DATA_BLOB_HEADER
) + key
->u
.s
.secret_len
;
1049 if (output_len
< req_size
) return STATUS_BUFFER_TOO_SMALL
;
1052 header
->dwMagic
= BCRYPT_KEY_DATA_BLOB_MAGIC
;
1053 header
->dwVersion
= BCRYPT_KEY_DATA_BLOB_VERSION1
;
1054 header
->cbKeyData
= key
->u
.s
.secret_len
;
1055 memcpy( &header
[1], key
->u
.s
.secret
, key
->u
.s
.secret_len
);
1057 return STATUS_SUCCESS
;
1059 else if (!wcscmp( type
, BCRYPT_OPAQUE_KEY_BLOB
))
1061 ULONG len
, req_size
= sizeof(len
) + key
->u
.s
.secret_len
;
1064 if (output_len
< req_size
) return STATUS_BUFFER_TOO_SMALL
;
1067 *(ULONG
*)output
= key
->u
.s
.secret_len
;
1068 memcpy( output
+ sizeof(len
), key
->u
.s
.secret
, key
->u
.s
.secret_len
);
1070 return STATUS_SUCCESS
;
1072 else if (!wcscmp( type
, BCRYPT_RSAPUBLIC_BLOB
) || !wcscmp( type
, BCRYPT_DSA_PUBLIC_BLOB
) ||
1073 !wcscmp( type
, BCRYPT_ECCPUBLIC_BLOB
) || !wcscmp( type
, LEGACY_DSA_V2_PUBLIC_BLOB
))
1075 *size
= key
->u
.a
.pubkey_len
;
1076 if (output_len
< key
->u
.a
.pubkey_len
) return STATUS_SUCCESS
;
1077 if (output
) memcpy( output
, key
->u
.a
.pubkey
, key
->u
.a
.pubkey_len
);
1078 return STATUS_SUCCESS
;
1080 else if (!wcscmp( type
, BCRYPT_ECCPRIVATE_BLOB
))
1082 return key_funcs
->key_export_ecc( key
, output
, output_len
, size
);
1084 else if (!wcscmp( type
, LEGACY_DSA_V2_PRIVATE_BLOB
))
1086 return key_funcs
->key_export_dsa_capi( key
, output
, output_len
, size
);
1089 FIXME( "unsupported key type %s\n", debugstr_w(type
) );
1090 return STATUS_NOT_IMPLEMENTED
;
1093 static NTSTATUS
key_encrypt( struct key
*key
, UCHAR
*input
, ULONG input_len
, void *padding
, UCHAR
*iv
,
1094 ULONG iv_len
, UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1096 ULONG bytes_left
= input_len
;
1097 UCHAR
*buf
, *src
, *dst
;
1100 if (key
->u
.s
.mode
== MODE_ID_GCM
)
1102 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO
*auth_info
= padding
;
1104 if (!auth_info
) return STATUS_INVALID_PARAMETER
;
1105 if (!auth_info
->pbNonce
) return STATUS_INVALID_PARAMETER
;
1106 if (!auth_info
->pbTag
) return STATUS_INVALID_PARAMETER
;
1107 if (auth_info
->cbTag
< 12 || auth_info
->cbTag
> 16) return STATUS_INVALID_PARAMETER
;
1108 if (auth_info
->dwFlags
& BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG
)
1109 FIXME( "call chaining not implemented\n" );
1111 if ((status
= key_symmetric_set_vector( key
, auth_info
->pbNonce
, auth_info
->cbNonce
)))
1114 *ret_len
= input_len
;
1115 if (flags
& BCRYPT_BLOCK_PADDING
) return STATUS_INVALID_PARAMETER
;
1116 if (input
&& !output
) return STATUS_SUCCESS
;
1117 if (output_len
< *ret_len
) return STATUS_BUFFER_TOO_SMALL
;
1119 if ((status
= key_funcs
->key_symmetric_set_auth_data( key
, auth_info
->pbAuthData
, auth_info
->cbAuthData
)))
1121 if ((status
= key_funcs
->key_symmetric_encrypt( key
, input
, input_len
, output
, output_len
))) return status
;
1123 return key_funcs
->key_symmetric_get_tag( key
, auth_info
->pbTag
, auth_info
->cbTag
);
1126 *ret_len
= input_len
;
1128 if (flags
& BCRYPT_BLOCK_PADDING
)
1129 *ret_len
= (input_len
+ key
->u
.s
.block_size
) & ~(key
->u
.s
.block_size
- 1);
1130 else if (input_len
& (key
->u
.s
.block_size
- 1))
1131 return STATUS_INVALID_BUFFER_SIZE
;
1133 if (!output
) return STATUS_SUCCESS
;
1134 if (output_len
< *ret_len
) return STATUS_BUFFER_TOO_SMALL
;
1135 if (key
->u
.s
.mode
== MODE_ID_ECB
&& iv
) return STATUS_INVALID_PARAMETER
;
1136 if ((status
= key_symmetric_set_vector( key
, iv
, iv_len
))) return status
;
1140 while (bytes_left
>= key
->u
.s
.block_size
)
1142 if ((status
= key_funcs
->key_symmetric_encrypt( key
, src
, key
->u
.s
.block_size
, dst
, key
->u
.s
.block_size
)))
1144 if (key
->u
.s
.mode
== MODE_ID_ECB
&& (status
= key_symmetric_set_vector( key
, NULL
, 0 )))
1146 bytes_left
-= key
->u
.s
.block_size
;
1147 src
+= key
->u
.s
.block_size
;
1148 dst
+= key
->u
.s
.block_size
;
1151 if (flags
& BCRYPT_BLOCK_PADDING
)
1153 if (!(buf
= heap_alloc( key
->u
.s
.block_size
))) return STATUS_NO_MEMORY
;
1154 memcpy( buf
, src
, bytes_left
);
1155 memset( buf
+ bytes_left
, key
->u
.s
.block_size
- bytes_left
, key
->u
.s
.block_size
- bytes_left
);
1156 status
= key_funcs
->key_symmetric_encrypt( key
, buf
, key
->u
.s
.block_size
, dst
, key
->u
.s
.block_size
);
1163 static NTSTATUS
key_symmetric_decrypt( struct key
*key
, UCHAR
*input
, ULONG input_len
, void *padding
, UCHAR
*iv
,
1164 ULONG iv_len
, UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1166 ULONG bytes_left
= input_len
;
1167 UCHAR
*buf
, *src
, *dst
;
1170 if (key
->u
.s
.mode
== MODE_ID_GCM
)
1172 BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO
*auth_info
= padding
;
1175 if (!auth_info
) return STATUS_INVALID_PARAMETER
;
1176 if (!auth_info
->pbNonce
) return STATUS_INVALID_PARAMETER
;
1177 if (!auth_info
->pbTag
) return STATUS_INVALID_PARAMETER
;
1178 if (auth_info
->cbTag
< 12 || auth_info
->cbTag
> 16) return STATUS_INVALID_PARAMETER
;
1180 if ((status
= key_symmetric_set_vector( key
, auth_info
->pbNonce
, auth_info
->cbNonce
)))
1183 *ret_len
= input_len
;
1184 if (flags
& BCRYPT_BLOCK_PADDING
) return STATUS_INVALID_PARAMETER
;
1185 if (!output
) return STATUS_SUCCESS
;
1186 if (output_len
< *ret_len
) return STATUS_BUFFER_TOO_SMALL
;
1188 if ((status
= key_funcs
->key_symmetric_set_auth_data( key
, auth_info
->pbAuthData
, auth_info
->cbAuthData
)))
1190 if ((status
= key_funcs
->key_symmetric_decrypt( key
, input
, input_len
, output
, output_len
))) return status
;
1192 if ((status
= key_funcs
->key_symmetric_get_tag( key
, tag
, sizeof(tag
) ))) return status
;
1193 if (memcmp( tag
, auth_info
->pbTag
, auth_info
->cbTag
)) return STATUS_AUTH_TAG_MISMATCH
;
1195 return STATUS_SUCCESS
;
1198 *ret_len
= input_len
;
1200 if (input_len
& (key
->u
.s
.block_size
- 1)) return STATUS_INVALID_BUFFER_SIZE
;
1201 if (!output
) return STATUS_SUCCESS
;
1202 if (flags
& BCRYPT_BLOCK_PADDING
)
1204 if (output_len
+ key
->u
.s
.block_size
< *ret_len
) return STATUS_BUFFER_TOO_SMALL
;
1205 if (input_len
< key
->u
.s
.block_size
) return STATUS_BUFFER_TOO_SMALL
;
1206 bytes_left
-= key
->u
.s
.block_size
;
1208 else if (output_len
< *ret_len
) return STATUS_BUFFER_TOO_SMALL
;
1210 if (key
->u
.s
.mode
== MODE_ID_ECB
&& iv
) return STATUS_INVALID_PARAMETER
;
1211 if ((status
= key_symmetric_set_vector( key
, iv
, iv_len
))) return status
;
1215 while (bytes_left
>= key
->u
.s
.block_size
)
1217 if ((status
= key_funcs
->key_symmetric_decrypt( key
, src
, key
->u
.s
.block_size
, dst
, key
->u
.s
.block_size
)))
1219 if (key
->u
.s
.mode
== MODE_ID_ECB
&& (status
= key_symmetric_set_vector( key
, NULL
, 0 )))
1221 bytes_left
-= key
->u
.s
.block_size
;
1222 src
+= key
->u
.s
.block_size
;
1223 dst
+= key
->u
.s
.block_size
;
1226 if (flags
& BCRYPT_BLOCK_PADDING
)
1228 if (!(buf
= heap_alloc( key
->u
.s
.block_size
))) return STATUS_NO_MEMORY
;
1229 status
= key_funcs
->key_symmetric_decrypt( key
, src
, key
->u
.s
.block_size
, buf
, key
->u
.s
.block_size
);
1230 if (!status
&& buf
[ key
->u
.s
.block_size
- 1 ] <= key
->u
.s
.block_size
)
1232 *ret_len
-= buf
[ key
->u
.s
.block_size
- 1 ];
1233 if (output_len
< *ret_len
) status
= STATUS_BUFFER_TOO_SMALL
;
1234 else memcpy( dst
, buf
, key
->u
.s
.block_size
- buf
[ key
->u
.s
.block_size
- 1 ] );
1236 else status
= STATUS_UNSUCCESSFUL
; /* FIXME: invalid padding */
1243 static NTSTATUS
key_asymmetric_decrypt( struct key
*key
, UCHAR
*input
, ULONG input_len
, UCHAR
*output
,
1244 ULONG output_len
, ULONG
*ret_len
)
1248 if (!(status
= key_funcs
->key_asymmetric_decrypt( key
, input
, input_len
, output
, &output_len
)))
1249 *ret_len
= output_len
;
1254 static NTSTATUS
key_decrypt( struct key
*key
, UCHAR
*input
, ULONG input_len
, void *padding
, UCHAR
*iv
,
1255 ULONG iv_len
, UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1257 return key_is_symmetric( key
) ? key_symmetric_decrypt( key
, input
, input_len
, padding
, iv
, iv_len
,
1258 output
, output_len
, ret_len
, flags
) : key_asymmetric_decrypt( key
, input
, input_len
, output
, output_len
, ret_len
);
1261 static NTSTATUS
key_import_pair( struct algorithm
*alg
, const WCHAR
*type
, BCRYPT_KEY_HANDLE
*ret_key
, UCHAR
*input
,
1267 if (!wcscmp( type
, BCRYPT_ECCPUBLIC_BLOB
))
1269 BCRYPT_ECCKEY_BLOB
*ecc_blob
= (BCRYPT_ECCKEY_BLOB
*)input
;
1270 DWORD key_size
, magic
, size
;
1272 if (input_len
< sizeof(*ecc_blob
)) return STATUS_INVALID_PARAMETER
;
1276 case ALG_ID_ECDH_P256
:
1278 magic
= BCRYPT_ECDH_PUBLIC_P256_MAGIC
;
1281 case ALG_ID_ECDSA_P256
:
1283 magic
= BCRYPT_ECDSA_PUBLIC_P256_MAGIC
;
1286 case ALG_ID_ECDSA_P384
:
1288 magic
= BCRYPT_ECDSA_PUBLIC_P384_MAGIC
;
1292 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg
->id
, debugstr_w(type
) );
1293 return STATUS_NOT_SUPPORTED
;
1296 if (ecc_blob
->dwMagic
!= magic
) return STATUS_INVALID_PARAMETER
;
1297 if (ecc_blob
->cbKey
!= key_size
|| input_len
< sizeof(*ecc_blob
) + ecc_blob
->cbKey
* 2)
1298 return STATUS_INVALID_PARAMETER
;
1300 size
= sizeof(*ecc_blob
) + ecc_blob
->cbKey
* 2;
1301 return key_asymmetric_create( (struct key
**)ret_key
, alg
, key_size
* 8, (BYTE
*)ecc_blob
, size
);
1303 else if (!wcscmp( type
, BCRYPT_ECCPRIVATE_BLOB
))
1305 BCRYPT_ECCKEY_BLOB
*ecc_blob
= (BCRYPT_ECCKEY_BLOB
*)input
;
1306 DWORD key_size
, magic
;
1308 if (input_len
< sizeof(*ecc_blob
)) return STATUS_INVALID_PARAMETER
;
1312 case ALG_ID_ECDH_P256
:
1314 magic
= BCRYPT_ECDH_PRIVATE_P256_MAGIC
;
1316 case ALG_ID_ECDSA_P256
:
1318 magic
= BCRYPT_ECDSA_PRIVATE_P256_MAGIC
;
1322 FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg
->id
, debugstr_w(type
) );
1323 return STATUS_NOT_SUPPORTED
;
1326 if (ecc_blob
->dwMagic
!= magic
) return STATUS_INVALID_PARAMETER
;
1327 if (ecc_blob
->cbKey
!= key_size
|| input_len
< sizeof(*ecc_blob
) + ecc_blob
->cbKey
* 3)
1328 return STATUS_INVALID_PARAMETER
;
1330 if ((status
= key_asymmetric_create( &key
, alg
, key_size
* 8, NULL
, 0 ))) return status
;
1331 if ((status
= key_funcs
->key_import_ecc( key
, input
, input_len
)))
1333 BCryptDestroyKey( key
);
1338 return STATUS_SUCCESS
;
1340 else if (!wcscmp( type
, BCRYPT_RSAPUBLIC_BLOB
))
1342 BCRYPT_RSAKEY_BLOB
*rsa_blob
= (BCRYPT_RSAKEY_BLOB
*)input
;
1345 if (input_len
< sizeof(*rsa_blob
)) return STATUS_INVALID_PARAMETER
;
1346 if ((alg
->id
!= ALG_ID_RSA
&& alg
->id
!= ALG_ID_RSA_SIGN
) || rsa_blob
->Magic
!= BCRYPT_RSAPUBLIC_MAGIC
)
1347 return STATUS_NOT_SUPPORTED
;
1349 size
= sizeof(*rsa_blob
) + rsa_blob
->cbPublicExp
+ rsa_blob
->cbModulus
;
1350 return key_asymmetric_create( (struct key
**)ret_key
, alg
, rsa_blob
->BitLength
, (BYTE
*)rsa_blob
, size
);
1352 else if (!wcscmp( type
, BCRYPT_RSAPRIVATE_BLOB
))
1354 BCRYPT_RSAKEY_BLOB
*rsa_blob
= (BCRYPT_RSAKEY_BLOB
*)input
;
1357 if (input_len
< sizeof(*rsa_blob
)) return STATUS_INVALID_PARAMETER
;
1358 if (alg
->id
!= ALG_ID_RSA
|| rsa_blob
->Magic
!= BCRYPT_RSAPRIVATE_MAGIC
)
1359 return STATUS_NOT_SUPPORTED
;
1361 size
= sizeof(*rsa_blob
) + rsa_blob
->cbPublicExp
+ rsa_blob
->cbModulus
;
1362 if ((status
= key_asymmetric_create( &key
, alg
, rsa_blob
->BitLength
, (BYTE
*)rsa_blob
, size
)))
1364 if ((status
= key_funcs
->key_import_rsa( key
, input
, input_len
)))
1366 BCryptDestroyKey( key
);
1371 return STATUS_SUCCESS
;
1373 else if (!wcscmp( type
, BCRYPT_DSA_PUBLIC_BLOB
))
1375 BCRYPT_DSA_KEY_BLOB
*dsa_blob
= (BCRYPT_DSA_KEY_BLOB
*)input
;
1378 if (input_len
< sizeof(*dsa_blob
)) return STATUS_INVALID_PARAMETER
;
1379 if ((alg
->id
!= ALG_ID_DSA
) || dsa_blob
->dwMagic
!= BCRYPT_DSA_PUBLIC_MAGIC
)
1380 return STATUS_NOT_SUPPORTED
;
1382 size
= sizeof(*dsa_blob
) + dsa_blob
->cbKey
* 3;
1383 return key_asymmetric_create( (struct key
**)ret_key
, alg
, dsa_blob
->cbKey
* 8, (BYTE
*)dsa_blob
, size
);
1385 else if (!wcscmp( type
, LEGACY_DSA_V2_PRIVATE_BLOB
))
1387 BLOBHEADER
*hdr
= (BLOBHEADER
*)input
;
1390 if (input_len
< sizeof(*hdr
)) return STATUS_INVALID_PARAMETER
;
1392 if (hdr
->bType
!= PRIVATEKEYBLOB
&& hdr
->bVersion
!= 2 && hdr
->aiKeyAlg
!= CALG_DSS_SIGN
)
1394 FIXME( "blob type %u version %u alg id %u not supported\n", hdr
->bType
, hdr
->bVersion
, hdr
->aiKeyAlg
);
1395 return STATUS_NOT_SUPPORTED
;
1397 if (alg
->id
!= ALG_ID_DSA
)
1399 FIXME( "algorithm %u does not support importing blob of type %s\n", alg
->id
, debugstr_w(type
) );
1400 return STATUS_NOT_SUPPORTED
;
1403 if (input_len
< sizeof(*hdr
) + sizeof(*pubkey
)) return STATUS_INVALID_PARAMETER
;
1404 pubkey
= (DSSPUBKEY
*)(hdr
+ 1);
1405 if (pubkey
->magic
!= MAGIC_DSS2
) return STATUS_NOT_SUPPORTED
;
1407 if (input_len
< sizeof(*hdr
) + sizeof(*pubkey
) + (pubkey
->bitlen
/ 8) * 2 + 40 + sizeof(DSSSEED
))
1408 return STATUS_INVALID_PARAMETER
;
1410 if ((status
= key_asymmetric_create( &key
, alg
, pubkey
->bitlen
, NULL
, 0 ))) return status
;
1411 if ((status
= key_funcs
->key_import_dsa_capi( key
, input
, input_len
)))
1413 BCryptDestroyKey( key
);
1418 return STATUS_SUCCESS
;
1420 else if (!wcscmp( type
, LEGACY_DSA_V2_PUBLIC_BLOB
)) /* not supported on native */
1422 BLOBHEADER
*hdr
= (BLOBHEADER
*)input
;
1426 if (alg
->id
!= ALG_ID_DSA
) return STATUS_NOT_SUPPORTED
;
1427 if (input_len
< sizeof(*hdr
)) return STATUS_INVALID_PARAMETER
;
1429 if (hdr
->bType
!= PUBLICKEYBLOB
&& hdr
->bVersion
!= 2 && hdr
->aiKeyAlg
!= CALG_DSS_SIGN
)
1431 FIXME( "blob type %u version %u alg id %u not supported\n", hdr
->bType
, hdr
->bVersion
, hdr
->aiKeyAlg
);
1432 return STATUS_NOT_SUPPORTED
;
1435 if (input_len
< sizeof(*hdr
) + sizeof(*pubkey
)) return STATUS_INVALID_PARAMETER
;
1436 pubkey
= (DSSPUBKEY
*)(hdr
+ 1);
1437 if (pubkey
->magic
!= MAGIC_DSS1
) return STATUS_NOT_SUPPORTED
;
1439 size
= sizeof(*hdr
) + sizeof(*pubkey
) + (pubkey
->bitlen
/ 8) * 3 + 20 + sizeof(DSSSEED
);
1440 if (input_len
< size
) return STATUS_INVALID_PARAMETER
;
1442 if ((status
= key_asymmetric_create( &key
, alg
, pubkey
->bitlen
, (BYTE
*)hdr
, size
))) return status
;
1443 key
->u
.a
.flags
|= KEY_FLAG_LEGACY_DSA_V2
;
1446 return STATUS_SUCCESS
;
1449 FIXME( "unsupported key type %s\n", debugstr_w(type
) );
1450 return STATUS_NOT_SUPPORTED
;
1453 static ULONG
get_block_size( struct algorithm
*alg
)
1455 ULONG ret
= 0, size
= sizeof(ret
);
1456 get_alg_property( alg
, BCRYPT_BLOCK_LENGTH
, (UCHAR
*)&ret
, sizeof(ret
), &size
);
1460 NTSTATUS WINAPI
BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm
, BCRYPT_KEY_HANDLE
*handle
,
1461 UCHAR
*object
, ULONG object_len
, UCHAR
*secret
, ULONG secret_len
,
1464 struct algorithm
*alg
= algorithm
;
1469 TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm
, handle
, object
, object_len
, secret
, secret_len
, flags
);
1471 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
1472 if (object
) FIXME( "ignoring object buffer\n" );
1476 ERR( "no encryption support\n" );
1477 return STATUS_NOT_IMPLEMENTED
;
1480 if (!(block_size
= get_block_size( alg
))) return STATUS_INVALID_PARAMETER
;
1482 if (!(key
= heap_alloc_zero( sizeof(*key
) ))) return STATUS_NO_MEMORY
;
1483 key
->hdr
.magic
= MAGIC_KEY
;
1484 key
->alg_id
= alg
->id
;
1485 key
->u
.s
.mode
= alg
->mode
;
1486 key
->u
.s
.block_size
= block_size
;
1488 if (!(key
->u
.s
.secret
= heap_alloc( secret_len
)))
1491 return STATUS_NO_MEMORY
;
1493 memcpy( key
->u
.s
.secret
, secret
, secret_len
);
1494 key
->u
.s
.secret_len
= secret_len
;
1496 if ((status
= key_funcs
->key_symmetric_init( key
)))
1498 heap_free( key
->u
.s
.secret
);
1504 return STATUS_SUCCESS
;
1507 NTSTATUS WINAPI
BCryptGenerateKeyPair( BCRYPT_ALG_HANDLE algorithm
, BCRYPT_KEY_HANDLE
*handle
, ULONG key_len
,
1510 struct algorithm
*alg
= algorithm
;
1514 TRACE( "%p, %p, %u, %08x\n", algorithm
, handle
, key_len
, flags
);
1516 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
1517 if (!handle
) return STATUS_INVALID_PARAMETER
;
1519 if (!(status
= key_asymmetric_create( &key
, alg
, key_len
, NULL
, 0 ))) *handle
= key
;
1523 NTSTATUS WINAPI
BCryptFinalizeKeyPair( BCRYPT_KEY_HANDLE handle
, ULONG flags
)
1525 struct key
*key
= handle
;
1527 TRACE( "%p, %08x\n", key
, flags
);
1528 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1530 return key_funcs
->key_asymmetric_generate( key
);
1533 NTSTATUS WINAPI
BCryptImportKey( BCRYPT_ALG_HANDLE algorithm
, BCRYPT_KEY_HANDLE decrypt_key
, LPCWSTR type
,
1534 BCRYPT_KEY_HANDLE
*key
, PUCHAR object
, ULONG object_len
, PUCHAR input
,
1535 ULONG input_len
, ULONG flags
)
1537 struct algorithm
*alg
= algorithm
;
1539 TRACE("%p, %p, %s, %p, %p, %u, %p, %u, %u\n", algorithm
, decrypt_key
, debugstr_w(type
), key
, object
,
1540 object_len
, input
, input_len
, flags
);
1542 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
1543 if (!key
|| !type
|| !input
) return STATUS_INVALID_PARAMETER
;
1547 FIXME( "decryption of key not yet supported\n" );
1548 return STATUS_NOT_IMPLEMENTED
;
1551 return key_import( algorithm
, type
, key
, object
, object_len
, input
, input_len
);
1554 NTSTATUS WINAPI
BCryptExportKey( BCRYPT_KEY_HANDLE export_key
, BCRYPT_KEY_HANDLE encrypt_key
, LPCWSTR type
,
1555 PUCHAR output
, ULONG output_len
, ULONG
*size
, ULONG flags
)
1557 struct key
*key
= export_key
;
1559 TRACE("%p, %p, %s, %p, %u, %p, %u\n", key
, encrypt_key
, debugstr_w(type
), output
, output_len
, size
, flags
);
1561 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1562 if (!type
|| !size
) return STATUS_INVALID_PARAMETER
;
1566 FIXME( "encryption of key not yet supported\n" );
1567 return STATUS_NOT_IMPLEMENTED
;
1570 return key_export( key
, type
, output
, output_len
, size
);
1573 static NTSTATUS
key_duplicate( struct key
*key_orig
, struct key
*key_copy
)
1578 memset( key_copy
, 0, sizeof(*key_copy
) );
1579 key_copy
->hdr
= key_orig
->hdr
;
1580 key_copy
->alg_id
= key_orig
->alg_id
;
1582 if (key_is_symmetric( key_orig
))
1584 if (!(buffer
= heap_alloc( key_orig
->u
.s
.secret_len
))) return STATUS_NO_MEMORY
;
1585 memcpy( buffer
, key_orig
->u
.s
.secret
, key_orig
->u
.s
.secret_len
);
1587 key_copy
->u
.s
.mode
= key_orig
->u
.s
.mode
;
1588 key_copy
->u
.s
.block_size
= key_orig
->u
.s
.block_size
;
1589 key_copy
->u
.s
.secret
= buffer
;
1590 key_copy
->u
.s
.secret_len
= key_orig
->u
.s
.secret_len
;
1594 if (!(buffer
= heap_alloc( key_orig
->u
.a
.pubkey_len
))) return STATUS_NO_MEMORY
;
1595 memcpy( buffer
, key_orig
->u
.a
.pubkey
, key_orig
->u
.a
.pubkey_len
);
1597 key_copy
->u
.a
.bitlen
= key_orig
->u
.a
.bitlen
;
1598 key_copy
->u
.a
.flags
= key_orig
->u
.a
.flags
;
1599 key_copy
->u
.a
.pubkey
= buffer
;
1600 key_copy
->u
.a
.pubkey_len
= key_orig
->u
.a
.pubkey_len
;
1601 key_copy
->u
.a
.dss_seed
= key_orig
->u
.a
.dss_seed
;
1603 if ((status
= key_funcs
->key_asymmetric_duplicate( key_orig
, key_copy
))) return status
;
1606 return STATUS_SUCCESS
;
1609 static void key_destroy( struct key
*key
)
1611 if (key_is_symmetric( key
))
1613 key_funcs
->key_symmetric_destroy( key
);
1614 heap_free( key
->u
.s
.vector
);
1615 heap_free( key
->u
.s
.secret
);
1619 key_funcs
->key_asymmetric_destroy( key
);
1620 heap_free( key
->u
.a
.pubkey
);
1626 NTSTATUS WINAPI
BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle
, BCRYPT_KEY_HANDLE
*handle_copy
,
1627 UCHAR
*object
, ULONG object_len
, ULONG flags
)
1629 struct key
*key_orig
= handle
;
1630 struct key
*key_copy
;
1633 TRACE( "%p, %p, %p, %u, %08x\n", handle
, handle_copy
, object
, object_len
, flags
);
1634 if (object
) FIXME( "ignoring object buffer\n" );
1636 if (!key_orig
|| key_orig
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1637 if (!handle_copy
) return STATUS_INVALID_PARAMETER
;
1638 if (!(key_copy
= heap_alloc( sizeof(*key_copy
) ))) return STATUS_NO_MEMORY
;
1640 if ((status
= key_duplicate( key_orig
, key_copy
)))
1642 key_destroy( key_copy
);
1646 *handle_copy
= key_copy
;
1647 return STATUS_SUCCESS
;
1650 NTSTATUS WINAPI
BCryptImportKeyPair( BCRYPT_ALG_HANDLE algorithm
, BCRYPT_KEY_HANDLE decrypt_key
, const WCHAR
*type
,
1651 BCRYPT_KEY_HANDLE
*ret_key
, UCHAR
*input
, ULONG input_len
, ULONG flags
)
1653 struct algorithm
*alg
= algorithm
;
1655 TRACE( "%p, %p, %s, %p, %p, %u, %08x\n", algorithm
, decrypt_key
, debugstr_w(type
), ret_key
, input
,
1658 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
1659 if (!ret_key
|| !type
|| !input
) return STATUS_INVALID_PARAMETER
;
1662 FIXME( "decryption of key not yet supported\n" );
1663 return STATUS_NOT_IMPLEMENTED
;
1666 return key_import_pair( alg
, type
, ret_key
, input
, input_len
);
1669 NTSTATUS WINAPI
BCryptSignHash( BCRYPT_KEY_HANDLE handle
, void *padding
, UCHAR
*input
, ULONG input_len
,
1670 UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1672 struct key
*key
= handle
;
1674 TRACE( "%p, %p, %p, %u, %p, %u, %p, %08x\n", handle
, padding
, input
, input_len
, output
, output_len
,
1677 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1678 if (key_is_symmetric( key
))
1680 FIXME( "signing with symmetric keys not yet supported\n" );
1681 return STATUS_NOT_IMPLEMENTED
;
1684 return key_funcs
->key_asymmetric_sign( key
, padding
, input
, input_len
, output
, output_len
, ret_len
, flags
);
1687 NTSTATUS WINAPI
BCryptVerifySignature( BCRYPT_KEY_HANDLE handle
, void *padding
, UCHAR
*hash
, ULONG hash_len
,
1688 UCHAR
*signature
, ULONG signature_len
, ULONG flags
)
1690 struct key
*key
= handle
;
1692 TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", handle
, padding
, hash
, hash_len
, signature
, signature_len
, flags
);
1694 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1695 if (!hash
|| !hash_len
|| !signature
|| !signature_len
) return STATUS_INVALID_PARAMETER
;
1696 if (key_is_symmetric( key
)) return STATUS_NOT_SUPPORTED
;
1698 return key_funcs
->key_asymmetric_verify( key
, padding
, hash
, hash_len
, signature
, signature_len
, flags
);
1701 NTSTATUS WINAPI
BCryptDestroyKey( BCRYPT_KEY_HANDLE handle
)
1703 struct key
*key
= handle
;
1705 TRACE( "%p\n", handle
);
1707 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1710 return STATUS_SUCCESS
;
1713 NTSTATUS WINAPI
BCryptEncrypt( BCRYPT_KEY_HANDLE handle
, UCHAR
*input
, ULONG input_len
, void *padding
, UCHAR
*iv
,
1714 ULONG iv_len
, UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1716 struct key
*key
= handle
;
1718 TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle
, input
, input_len
, padding
, iv
, iv_len
, output
,
1719 output_len
, ret_len
, flags
);
1721 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1722 if (!key_is_symmetric( key
))
1724 FIXME( "encryption with asymmetric keys not yet supported\n" );
1725 return STATUS_NOT_IMPLEMENTED
;
1727 if (flags
& ~BCRYPT_BLOCK_PADDING
)
1729 FIXME( "flags %08x not implemented\n", flags
);
1730 return STATUS_NOT_IMPLEMENTED
;
1733 return key_encrypt( key
, input
, input_len
, padding
, iv
, iv_len
, output
, output_len
, ret_len
, flags
);
1736 NTSTATUS WINAPI
BCryptDecrypt( BCRYPT_KEY_HANDLE handle
, UCHAR
*input
, ULONG input_len
, void *padding
, UCHAR
*iv
,
1737 ULONG iv_len
, UCHAR
*output
, ULONG output_len
, ULONG
*ret_len
, ULONG flags
)
1739 struct key
*key
= handle
;
1741 TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle
, input
, input_len
, padding
, iv
, iv_len
, output
,
1742 output_len
, ret_len
, flags
);
1744 if (!key
|| key
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1745 if (!key_is_symmetric( key
))
1747 FIXME( "decryption with asymmetric keys not yet supported\n" );
1748 return STATUS_NOT_IMPLEMENTED
;
1750 if (flags
& ~BCRYPT_BLOCK_PADDING
)
1752 FIXME( "flags %08x not supported\n", flags
);
1753 return STATUS_NOT_IMPLEMENTED
;
1756 return key_decrypt( key
, input
, input_len
, padding
, iv
, iv_len
, output
, output_len
, ret_len
, flags
);
1759 NTSTATUS WINAPI
BCryptSetProperty( BCRYPT_HANDLE handle
, const WCHAR
*prop
, UCHAR
*value
, ULONG size
, ULONG flags
)
1761 struct object
*object
= handle
;
1763 TRACE( "%p, %s, %p, %u, %08x\n", handle
, debugstr_w(prop
), value
, size
, flags
);
1765 if (!object
) return STATUS_INVALID_HANDLE
;
1767 switch (object
->magic
)
1771 struct algorithm
*alg
= (struct algorithm
*)object
;
1772 return set_alg_property( alg
, prop
, value
, size
, flags
);
1776 struct key
*key
= (struct key
*)object
;
1777 return key_funcs
->key_set_property( key
, prop
, value
, size
, flags
);
1780 WARN( "unknown magic %08x\n", object
->magic
);
1781 return STATUS_INVALID_HANDLE
;
1785 #define HMAC_PAD_LEN 64
1786 NTSTATUS WINAPI
BCryptDeriveKeyCapi( BCRYPT_HASH_HANDLE handle
, BCRYPT_ALG_HANDLE halg
, UCHAR
*key
, ULONG keylen
, ULONG flags
)
1788 struct hash
*hash
= handle
;
1789 UCHAR buf
[MAX_HASH_OUTPUT_BYTES
* 2];
1793 TRACE( "%p, %p, %p, %u, %08x\n", handle
, halg
, key
, keylen
, flags
);
1795 if (!key
|| !keylen
) return STATUS_INVALID_PARAMETER
;
1796 if (!hash
|| hash
->hdr
.magic
!= MAGIC_HASH
) return STATUS_INVALID_HANDLE
;
1797 if (keylen
> builtin_algorithms
[hash
->alg_id
].hash_length
* 2) return STATUS_INVALID_PARAMETER
;
1801 FIXME( "algorithm handle not supported\n" );
1802 return STATUS_NOT_IMPLEMENTED
;
1805 len
= builtin_algorithms
[hash
->alg_id
].hash_length
;
1806 if ((status
= hash_finalize( hash
, buf
, len
))) return status
;
1810 UCHAR pad1
[HMAC_PAD_LEN
], pad2
[HMAC_PAD_LEN
];
1813 for (i
= 0; i
< sizeof(pad1
); i
++)
1815 pad1
[i
] = 0x36 ^ (i
< len
? buf
[i
] : 0);
1816 pad2
[i
] = 0x5c ^ (i
< len
? buf
[i
] : 0);
1819 if ((status
= hash_prepare( hash
)) ||
1820 (status
= hash_update( &hash
->inner
, hash
->alg_id
, pad1
, sizeof(pad1
) )) ||
1821 (status
= hash_finalize( hash
, buf
, len
))) return status
;
1823 if ((status
= hash_prepare( hash
)) ||
1824 (status
= hash_update( &hash
->inner
, hash
->alg_id
, pad2
, sizeof(pad2
) )) ||
1825 (status
= hash_finalize( hash
, buf
+ len
, len
))) return status
;
1828 memcpy( key
, buf
, keylen
);
1829 return STATUS_SUCCESS
;
1832 static NTSTATUS
pbkdf2( struct hash
*hash
, UCHAR
*pwd
, ULONG pwd_len
, UCHAR
*salt
, ULONG salt_len
,
1833 ULONGLONG iterations
, ULONG i
, UCHAR
*dst
, ULONG hash_len
)
1835 NTSTATUS status
= STATUS_INVALID_PARAMETER
;
1836 UCHAR bytes
[4], *buf
;
1839 if (!(buf
= heap_alloc( hash_len
))) return STATUS_NO_MEMORY
;
1841 for (j
= 0; j
< iterations
; j
++)
1845 /* use salt || INT(i) */
1846 if ((status
= hash_update( &hash
->inner
, hash
->alg_id
, salt
, salt_len
)))
1851 bytes
[0] = (i
>> 24) & 0xff;
1852 bytes
[1] = (i
>> 16) & 0xff;
1853 bytes
[2] = (i
>> 8) & 0xff;
1854 bytes
[3] = i
& 0xff;
1855 status
= hash_update( &hash
->inner
, hash
->alg_id
, bytes
, 4 );
1857 else status
= hash_update( &hash
->inner
, hash
->alg_id
, buf
, hash_len
); /* use U_j */
1865 if ((status
= hash_finalize( hash
, buf
, hash_len
)))
1871 if (j
== 0) memcpy( dst
, buf
, hash_len
);
1872 else for (k
= 0; k
< hash_len
; k
++) dst
[k
] ^= buf
[k
];
1879 NTSTATUS WINAPI
BCryptDeriveKeyPBKDF2( BCRYPT_ALG_HANDLE handle
, UCHAR
*pwd
, ULONG pwd_len
, UCHAR
*salt
, ULONG salt_len
,
1880 ULONGLONG iterations
, UCHAR
*dk
, ULONG dk_len
, ULONG flags
)
1882 struct algorithm
*alg
= handle
;
1883 ULONG hash_len
, block_count
, bytes_left
, i
;
1888 TRACE( "%p, %p, %u, %p, %u, %s, %p, %u, %08x\n", handle
, pwd
, pwd_len
, salt
, salt_len
,
1889 wine_dbgstr_longlong(iterations
), dk
, dk_len
, flags
);
1891 if (!alg
|| alg
->hdr
.magic
!= MAGIC_ALG
) return STATUS_INVALID_HANDLE
;
1893 hash_len
= builtin_algorithms
[alg
->id
].hash_length
;
1894 if (dk_len
<= 0 || dk_len
> ((((ULONGLONG
)1) << 32) - 1) * hash_len
) return STATUS_INVALID_PARAMETER
;
1896 block_count
= 1 + ((dk_len
- 1) / hash_len
); /* ceil(dk_len / hash_len) */
1897 bytes_left
= dk_len
- (block_count
- 1) * hash_len
;
1899 if ((status
= hash_create( alg
, pwd
, pwd_len
, BCRYPT_HASH_REUSABLE_FLAG
, &hash
))) return status
;
1902 for (i
= 1; i
< block_count
; i
++)
1904 if ((status
= pbkdf2( hash
, pwd
, pwd_len
, salt
, salt_len
, iterations
, i
, dk
+ ((i
- 1) * hash_len
), hash_len
)))
1906 hash_destroy( hash
);
1911 /* final partial block */
1912 if (!(partial
= heap_alloc( hash_len
)))
1914 hash_destroy( hash
);
1915 return STATUS_NO_MEMORY
;
1918 if ((status
= pbkdf2( hash
, pwd
, pwd_len
, salt
, salt_len
, iterations
, block_count
, partial
, hash_len
)))
1920 hash_destroy( hash
);
1921 heap_free( partial
);
1924 memcpy( dk
+ ((block_count
- 1) * hash_len
), partial
, bytes_left
);
1926 hash_destroy( hash
);
1927 heap_free( partial
);
1928 return STATUS_SUCCESS
;
1931 NTSTATUS WINAPI
BCryptSecretAgreement(BCRYPT_KEY_HANDLE privatekey
, BCRYPT_KEY_HANDLE publickey
, BCRYPT_SECRET_HANDLE
*handle
, ULONG flags
)
1933 struct key
*privkey
= privatekey
;
1934 struct key
*pubkey
= publickey
;
1935 struct secret
*secret
;
1937 FIXME( "%p, %p, %p, %08x\n", privatekey
, publickey
, handle
, flags
);
1939 if (!privkey
|| privkey
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1940 if (!pubkey
|| pubkey
->hdr
.magic
!= MAGIC_KEY
) return STATUS_INVALID_HANDLE
;
1941 if (!handle
) return STATUS_INVALID_PARAMETER
;
1943 if (!(secret
= heap_alloc_zero( sizeof(*secret
) ))) return STATUS_NO_MEMORY
;
1944 secret
->hdr
.magic
= MAGIC_SECRET
;
1947 return STATUS_SUCCESS
;
1950 NTSTATUS WINAPI
BCryptDestroySecret(BCRYPT_SECRET_HANDLE handle
)
1952 struct secret
*secret
= handle
;
1954 FIXME( "%p\n", handle
);
1956 if (!secret
|| secret
->hdr
.magic
!= MAGIC_SECRET
) return STATUS_INVALID_HANDLE
;
1957 secret
->hdr
.magic
= 0;
1958 heap_free( secret
);
1959 return STATUS_SUCCESS
;
1962 NTSTATUS WINAPI
BCryptDeriveKey(BCRYPT_SECRET_HANDLE handle
, LPCWSTR kdf
, BCryptBufferDesc
*parameter
,
1963 PUCHAR derived
, ULONG derived_size
, ULONG
*result
, ULONG flags
)
1965 struct secret
*secret
= handle
;
1967 FIXME( "%p, %s, %p, %p, %d, %p, %08x\n", secret
, debugstr_w(kdf
), parameter
, derived
, derived_size
, result
, flags
);
1969 if (!secret
|| secret
->hdr
.magic
!= MAGIC_SECRET
) return STATUS_INVALID_HANDLE
;
1970 if (!kdf
) return STATUS_INVALID_PARAMETER
;
1972 return STATUS_INTERNAL_ERROR
;
1975 BOOL WINAPI
DllMain( HINSTANCE hinst
, DWORD reason
, LPVOID reserved
)
1979 case DLL_PROCESS_ATTACH
:
1981 DisableThreadLibraryCalls( hinst
);
1982 __wine_init_unix_lib( hinst
, reason
, NULL
, &key_funcs
);
1984 case DLL_PROCESS_DETACH
:
1985 if (reserved
) break;
1986 __wine_init_unix_lib( hinst
, reason
, NULL
, NULL
);