ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/bcrypt/bcrypt_main.c

2339 lines
73 KiB
C
Raw Blame History

/*
* Copyright 2009 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#ifdef HAVE_COMMONCRYPTO_COMMONCRYPTOR_H
#include <AvailabilityMacros.h>
#include <CommonCrypto/CommonCryptor.h>
#elif defined(HAVE_GNUTLS_CIPHER_INIT)
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
#include <gnutls/abstract.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "ntsecapi.h"
#include "bcrypt.h"
#include "bcrypt_internal.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "wine/library.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
static HINSTANCE instance;
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
WINE_DECLARE_DEBUG_CHANNEL(winediag);
#if GNUTLS_VERSION_MAJOR < 3
#define GNUTLS_CIPHER_AES_192_CBC 92
#define GNUTLS_CIPHER_AES_128_GCM 93
#define GNUTLS_CIPHER_AES_256_GCM 94
#define GNUTLS_PK_ECC 4
typedef enum
{
GNUTLS_ECC_CURVE_INVALID,
GNUTLS_ECC_CURVE_SECP224R1,
GNUTLS_ECC_CURVE_SECP256R1,
GNUTLS_ECC_CURVE_SECP384R1,
GNUTLS_ECC_CURVE_SECP521R1,
} gnutls_ecc_curve_t;
#endif
/* Not present in gnutls version < 3.0 */
static int (*pgnutls_cipher_tag)(gnutls_cipher_hd_t, void *, size_t);
static int (*pgnutls_cipher_add_auth)(gnutls_cipher_hd_t, const void *, size_t);
static int (*pgnutls_pubkey_import_ecc_raw)(gnutls_pubkey_t, gnutls_ecc_curve_t,
const gnutls_datum_t *, const gnutls_datum_t *);
static gnutls_sign_algorithm_t (*pgnutls_pk_to_sign)(gnutls_pk_algorithm_t, gnutls_digest_algorithm_t);
static int (*pgnutls_pubkey_verify_hash2)(gnutls_pubkey_t, gnutls_sign_algorithm_t, unsigned int,
const gnutls_datum_t *, const gnutls_datum_t *);
/* Not present in gnutls version < 2.11.0 */
static int (*pgnutls_pubkey_import_rsa_raw)(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e);
static void *libgnutls_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR(gnutls_cipher_decrypt2);
MAKE_FUNCPTR(gnutls_cipher_deinit);
MAKE_FUNCPTR(gnutls_cipher_encrypt2);
MAKE_FUNCPTR(gnutls_cipher_init);
MAKE_FUNCPTR(gnutls_global_deinit);
MAKE_FUNCPTR(gnutls_global_init);
MAKE_FUNCPTR(gnutls_global_set_log_function);
MAKE_FUNCPTR(gnutls_global_set_log_level);
MAKE_FUNCPTR(gnutls_perror);
MAKE_FUNCPTR(gnutls_pubkey_init);
MAKE_FUNCPTR(gnutls_pubkey_deinit);
#undef MAKE_FUNCPTR
static int compat_gnutls_cipher_tag(gnutls_cipher_hd_t handle, void *tag, size_t tag_size)
{
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
static int compat_gnutls_cipher_add_auth(gnutls_cipher_hd_t handle, const void *ptext, size_t ptext_size)
{
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
static int compat_gnutls_pubkey_import_ecc_raw(gnutls_pubkey_t key, gnutls_ecc_curve_t curve,
const gnutls_datum_t *x, const gnutls_datum_t *y)
{
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
static gnutls_sign_algorithm_t compat_gnutls_pk_to_sign(gnutls_pk_algorithm_t pk, gnutls_digest_algorithm_t hash)
{
return GNUTLS_SIGN_UNKNOWN;
}
static int compat_gnutls_pubkey_verify_hash2(gnutls_pubkey_t key, gnutls_sign_algorithm_t algo,
unsigned int flags, const gnutls_datum_t *hash,
const gnutls_datum_t *signature)
{
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
static int compat_gnutls_pubkey_import_rsa_raw(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e)
{
return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
}
static void gnutls_log( int level, const char *msg )
{
TRACE( "<%d> %s", level, msg );
}
static BOOL gnutls_initialize(void)
{
int ret;
if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 )))
{
ERR_(winediag)( "failed to load libgnutls, no support for encryption\n" );
return FALSE;
}
#define LOAD_FUNCPTR(f) \
if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \
{ \
ERR( "failed to load %s\n", #f ); \
goto fail; \
}
LOAD_FUNCPTR(gnutls_cipher_decrypt2)
LOAD_FUNCPTR(gnutls_cipher_deinit)
LOAD_FUNCPTR(gnutls_cipher_encrypt2)
LOAD_FUNCPTR(gnutls_cipher_init)
LOAD_FUNCPTR(gnutls_global_deinit)
LOAD_FUNCPTR(gnutls_global_init)
LOAD_FUNCPTR(gnutls_global_set_log_function)
LOAD_FUNCPTR(gnutls_global_set_log_level)
LOAD_FUNCPTR(gnutls_perror)
LOAD_FUNCPTR(gnutls_pubkey_init);
LOAD_FUNCPTR(gnutls_pubkey_deinit);
#undef LOAD_FUNCPTR
if (!(pgnutls_cipher_tag = wine_dlsym( libgnutls_handle, "gnutls_cipher_tag", NULL, 0 )))
{
WARN("gnutls_cipher_tag not found\n");
pgnutls_cipher_tag = compat_gnutls_cipher_tag;
}
if (!(pgnutls_cipher_add_auth = wine_dlsym( libgnutls_handle, "gnutls_cipher_add_auth", NULL, 0 )))
{
WARN("gnutls_cipher_add_auth not found\n");
pgnutls_cipher_add_auth = compat_gnutls_cipher_add_auth;
}
if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
{
pgnutls_perror( ret );
goto fail;
}
if (!(pgnutls_pubkey_import_ecc_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_ecc_raw", NULL, 0 )))
{
WARN("gnutls_pubkey_import_ecc_raw not found\n");
pgnutls_pubkey_import_ecc_raw = compat_gnutls_pubkey_import_ecc_raw;
}
if (!(pgnutls_pk_to_sign = wine_dlsym( libgnutls_handle, "gnutls_pk_to_sign", NULL, 0 )))
{
WARN("gnutls_pk_to_sign not found\n");
pgnutls_pk_to_sign = compat_gnutls_pk_to_sign;
}
if (!(pgnutls_pubkey_verify_hash2 = wine_dlsym( libgnutls_handle, "gnutls_pubkey_verify_hash2", NULL, 0 )))
{
WARN("gnutls_pubkey_verify_hash2 not found\n");
pgnutls_pubkey_verify_hash2 = compat_gnutls_pubkey_verify_hash2;
}
if (!(pgnutls_pubkey_import_rsa_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_rsa_raw", NULL, 0 )))
{
WARN("gnutls_pubkey_import_rsa_raw not found\n");
pgnutls_pubkey_import_rsa_raw = compat_gnutls_pubkey_import_rsa_raw;
}
if (TRACE_ON( bcrypt ))
{
pgnutls_global_set_log_level( 4 );
pgnutls_global_set_log_function( gnutls_log );
}
return TRUE;
fail:
wine_dlclose( libgnutls_handle, NULL, 0 );
libgnutls_handle = NULL;
return FALSE;
}
static void gnutls_uninitialize(void)
{
pgnutls_global_deinit();
wine_dlclose( libgnutls_handle, NULL, 0 );
libgnutls_handle = NULL;
}
#endif /* HAVE_GNUTLS_CIPHER_INIT && !HAVE_COMMONCRYPTO_COMMONCRYPTOR_H */
NTSTATUS WINAPI BCryptAddContextFunction(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, ULONG pos)
{
FIXME("%08x, %s, %08x, %s, %u: stub\n", table, debugstr_w(context), iface, debugstr_w(function), pos);
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptAddContextFunctionProvider(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, LPCWSTR provider, ULONG pos)
{
FIXME("%08x, %s, %08x, %s, %s, %u: stub\n", table, debugstr_w(context), iface, debugstr_w(function), debugstr_w(provider), pos);
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptRemoveContextFunction(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function)
{
FIXME("%08x, %s, %08x, %s: stub\n", table, debugstr_w(context), iface, debugstr_w(function));
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI BCryptRemoveContextFunctionProvider(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, LPCWSTR provider)
{
FIXME("%08x, %s, %08x, %s, %s: stub\n", table, debugstr_w(context), iface, debugstr_w(function), debugstr_w(provider));
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI BCryptRegisterProvider(LPCWSTR provider, ULONG flags, PCRYPT_PROVIDER_REG reg)
{
FIXME("%s, %08x, %p: stub\n", debugstr_w(provider), flags, reg);
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptUnregisterProvider(LPCWSTR provider)
{
FIXME("%s: stub\n", debugstr_w(provider));
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount,
BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList, ULONG dwFlags)
{
FIXME("%08x, %p, %p, %08x - stub\n", dwAlgOperations, pAlgCount, ppAlgList, dwFlags);
*ppAlgList=NULL;
*pAlgCount=0;
return STATUS_NOT_IMPLEMENTED;
}
#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
#define MAGIC_KEY (('K' << 24) | ('E' << 16) | ('Y' << 8) | '0')
struct object
{
ULONG magic;
};
enum alg_id
{
ALG_ID_AES,
ALG_ID_MD2,
ALG_ID_MD4,
ALG_ID_MD5,
ALG_ID_RNG,
ALG_ID_RSA,
ALG_ID_SHA1,
ALG_ID_SHA256,
ALG_ID_SHA384,
ALG_ID_SHA512,
ALG_ID_ECDSA_P256,
ALG_ID_ECDSA_P384,
};
enum mode_id
{
MODE_ID_ECB,
MODE_ID_CBC,
MODE_ID_GCM
};
#define MAX_HASH_OUTPUT_BYTES 64
#define MAX_HASH_BLOCK_BITS 1024
static const struct
{
ULONG object_length;
ULONG hash_length;
ULONG block_bits;
const WCHAR *alg_name;
BOOL symmetric;
}
alg_props[] =
{
/* ALG_ID_AES */ { 654, 0, 0, BCRYPT_AES_ALGORITHM, TRUE },
/* ALG_ID_MD2 */ { 270, 16, 128, BCRYPT_MD2_ALGORITHM, FALSE },
/* ALG_ID_MD4 */ { 270, 16, 512, BCRYPT_MD4_ALGORITHM, FALSE },
/* ALG_ID_MD5 */ { 274, 16, 512, BCRYPT_MD5_ALGORITHM, FALSE },
/* ALG_ID_RNG */ { 0, 0, 0, BCRYPT_RNG_ALGORITHM, FALSE },
/* ALG_ID_RSA */ { 0, 0, 0, BCRYPT_RSA_ALGORITHM, FALSE },
/* ALG_ID_SHA1 */ { 278, 20, 512, BCRYPT_SHA1_ALGORITHM, FALSE },
/* ALG_ID_SHA256 */ { 286, 32, 512, BCRYPT_SHA256_ALGORITHM, FALSE },
/* ALG_ID_SHA384 */ { 382, 48, 1024, BCRYPT_SHA384_ALGORITHM, FALSE },
/* ALG_ID_SHA512 */ { 382, 64, 1024, BCRYPT_SHA512_ALGORITHM, FALSE },
/* ALG_ID_ECDSA_P256 */ { 0, 0, 0, BCRYPT_ECDSA_P256_ALGORITHM, FALSE },
/* ALG_ID_ECDSA_P384 */ { 0, 0, 0, BCRYPT_ECDSA_P384_ALGORITHM, FALSE },
};
struct algorithm
{
struct object hdr;
enum alg_id id;
enum mode_id mode;
BOOL hmac;
};
NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE handle, UCHAR *buffer, ULONG count, ULONG flags)
{
const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
struct algorithm *algorithm = handle;
TRACE("%p, %p, %u, %08x - semi-stub\n", handle, buffer, count, flags);
if (!algorithm)
{
/* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
* is set. In this case the preferred system RNG is used.
*/
if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
return STATUS_INVALID_HANDLE;
}
else if (algorithm->hdr.magic != MAGIC_ALG || algorithm->id != ALG_ID_RNG)
return STATUS_INVALID_HANDLE;
if (!buffer)
return STATUS_INVALID_PARAMETER;
if (flags & ~supported_flags)
FIXME("unsupported flags %08x\n", flags & ~supported_flags);
if (algorithm)
FIXME("ignoring selected algorithm\n");
/* When zero bytes are requested the function returns success too. */
if (!count)
return STATUS_SUCCESS;
if (algorithm || (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
{
if (RtlGenRandom(buffer, count))
return STATUS_SUCCESS;
}
FIXME("called with unsupported parameters, returning error\n");
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, LPCWSTR id, LPCWSTR implementation, DWORD flags )
{
const DWORD supported_flags = BCRYPT_ALG_HANDLE_HMAC_FLAG;
struct algorithm *alg;
enum alg_id alg_id;
TRACE( "%p, %s, %s, %08x\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
if (!handle || !id) return STATUS_INVALID_PARAMETER;
if (flags & ~supported_flags)
{
FIXME( "unsupported flags %08x\n", flags & ~supported_flags);
return STATUS_NOT_IMPLEMENTED;
}
if (!strcmpW( id, BCRYPT_AES_ALGORITHM )) alg_id = ALG_ID_AES;
else if (!strcmpW( id, BCRYPT_MD2_ALGORITHM )) alg_id = ALG_ID_MD2;
else if (!strcmpW( id, BCRYPT_MD4_ALGORITHM )) alg_id = ALG_ID_MD4;
else if (!strcmpW( id, BCRYPT_MD5_ALGORITHM )) alg_id = ALG_ID_MD5;
else if (!strcmpW( id, BCRYPT_RNG_ALGORITHM )) alg_id = ALG_ID_RNG;
else if (!strcmpW( id, BCRYPT_RSA_ALGORITHM )) alg_id = ALG_ID_RSA;
else if (!strcmpW( id, BCRYPT_SHA1_ALGORITHM )) alg_id = ALG_ID_SHA1;
else if (!strcmpW( id, BCRYPT_SHA256_ALGORITHM )) alg_id = ALG_ID_SHA256;
else if (!strcmpW( id, BCRYPT_SHA384_ALGORITHM )) alg_id = ALG_ID_SHA384;
else if (!strcmpW( id, BCRYPT_SHA512_ALGORITHM )) alg_id = ALG_ID_SHA512;
else if (!strcmpW( id, BCRYPT_ECDSA_P256_ALGORITHM )) alg_id = ALG_ID_ECDSA_P256;
else if (!strcmpW( id, BCRYPT_ECDSA_P384_ALGORITHM )) alg_id = ALG_ID_ECDSA_P384;
else
{
FIXME( "algorithm %s not supported\n", debugstr_w(id) );
return STATUS_NOT_IMPLEMENTED;
}
if (implementation && strcmpW( implementation, MS_PRIMITIVE_PROVIDER ))
{
FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
return STATUS_NOT_IMPLEMENTED;
}
if (!(alg = heap_alloc( sizeof(*alg) ))) return STATUS_NO_MEMORY;
alg->hdr.magic = MAGIC_ALG;
alg->id = alg_id;
alg->mode = MODE_ID_CBC;
alg->hmac = flags & BCRYPT_ALG_HANDLE_HMAC_FLAG;
*handle = alg;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
{
struct algorithm *alg = handle;
TRACE( "%p, %08x\n", handle, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
heap_free( alg );
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
{
FIXME("%p - semi-stub\n", enabled);
if (!enabled)
return STATUS_INVALID_PARAMETER;
*enabled = FALSE;
return STATUS_SUCCESS;
}
struct hash_impl
{
union
{
MD2_CTX md2;
MD4_CTX md4;
MD5_CTX md5;
SHA_CTX sha1;
SHA256_CTX sha256;
SHA512_CTX sha512;
} u;
};
static NTSTATUS hash_init( struct hash_impl *hash, enum alg_id alg_id )
{
switch (alg_id)
{
case ALG_ID_MD2:
md2_init( &hash->u.md2 );
break;
case ALG_ID_MD4:
MD4Init( &hash->u.md4 );
break;
case ALG_ID_MD5:
MD5Init( &hash->u.md5 );
break;
case ALG_ID_SHA1:
A_SHAInit( &hash->u.sha1 );
break;
case ALG_ID_SHA256:
sha256_init( &hash->u.sha256 );
break;
case ALG_ID_SHA384:
sha384_init( &hash->u.sha512 );
break;
case ALG_ID_SHA512:
sha512_init( &hash->u.sha512 );
break;
default:
ERR( "unhandled id %u\n", alg_id );
return STATUS_NOT_IMPLEMENTED;
}
return STATUS_SUCCESS;
}
static NTSTATUS hash_update( struct hash_impl *hash, enum alg_id alg_id,
UCHAR *input, ULONG size )
{
switch (alg_id)
{
case ALG_ID_MD2:
md2_update( &hash->u.md2, input, size );
break;
case ALG_ID_MD4:
MD4Update( &hash->u.md4, input, size );
break;
case ALG_ID_MD5:
MD5Update( &hash->u.md5, input, size );
break;
case ALG_ID_SHA1:
A_SHAUpdate( &hash->u.sha1, input, size );
break;
case ALG_ID_SHA256:
sha256_update( &hash->u.sha256, input, size );
break;
case ALG_ID_SHA384:
sha384_update( &hash->u.sha512, input, size );
break;
case ALG_ID_SHA512:
sha512_update( &hash->u.sha512, input, size );
break;
default:
ERR( "unhandled id %u\n", alg_id );
return STATUS_NOT_IMPLEMENTED;
}
return STATUS_SUCCESS;
}
static NTSTATUS hash_finish( struct hash_impl *hash, enum alg_id alg_id,
UCHAR *output, ULONG size )
{
switch (alg_id)
{
case ALG_ID_MD2:
md2_finalize( &hash->u.md2, output );
break;
case ALG_ID_MD4:
MD4Final( &hash->u.md4 );
memcpy( output, hash->u.md4.digest, 16 );
break;
case ALG_ID_MD5:
MD5Final( &hash->u.md5 );
memcpy( output, hash->u.md5.digest, 16 );
break;
case ALG_ID_SHA1:
A_SHAFinal( &hash->u.sha1, (ULONG *)output );
break;
case ALG_ID_SHA256:
sha256_finalize( &hash->u.sha256, output );
break;
case ALG_ID_SHA384:
sha384_finalize( &hash->u.sha512, output );
break;
case ALG_ID_SHA512:
sha512_finalize( &hash->u.sha512, output );
break;
default:
ERR( "unhandled id %u\n", alg_id );
return STATUS_NOT_IMPLEMENTED;
}
return STATUS_SUCCESS;
}
struct hash
{
struct object hdr;
enum alg_id alg_id;
BOOL hmac;
struct hash_impl outer;
struct hash_impl inner;
};
#define BLOCK_LENGTH_AES 16
static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
if (!alg_props[id].object_length)
return STATUS_NOT_SUPPORTED;
*ret_size = sizeof(ULONG);
if (size < sizeof(ULONG))
return STATUS_BUFFER_TOO_SMALL;
if (buf)
*(ULONG *)buf = alg_props[id].object_length;
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
if (!alg_props[id].hash_length)
return STATUS_NOT_SUPPORTED;
*ret_size = sizeof(ULONG);
if (size < sizeof(ULONG))
return STATUS_BUFFER_TOO_SMALL;
if(buf)
*(ULONG*)buf = alg_props[id].hash_length;
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_ALGORITHM_NAME ))
{
*ret_size = (strlenW(alg_props[id].alg_name)+1)*sizeof(WCHAR);
if (size < *ret_size)
return STATUS_BUFFER_TOO_SMALL;
if(buf)
memcpy(buf, alg_props[id].alg_name, *ret_size);
return STATUS_SUCCESS;
}
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS get_alg_property( const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
NTSTATUS status;
status = generic_alg_property( alg->id, prop, buf, size, ret_size );
if (status != STATUS_NOT_IMPLEMENTED)
return status;
switch (alg->id)
{
case ALG_ID_AES:
if (!strcmpW( prop, BCRYPT_BLOCK_LENGTH ))
{
*ret_size = sizeof(ULONG);
if (size < sizeof(ULONG))
return STATUS_BUFFER_TOO_SMALL;
if (buf)
*(ULONG *)buf = BLOCK_LENGTH_AES;
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
{
const WCHAR *mode;
switch (alg->mode)
{
case MODE_ID_ECB: mode = BCRYPT_CHAIN_MODE_ECB; break;
case MODE_ID_CBC: mode = BCRYPT_CHAIN_MODE_CBC; break;
case MODE_ID_GCM: mode = BCRYPT_CHAIN_MODE_GCM; break;
default: return STATUS_NOT_IMPLEMENTED;
}
*ret_size = 64;
if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
memcpy( buf, mode, (strlenW(mode) + 1) * sizeof(WCHAR) );
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_KEY_LENGTHS ))
{
BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
*ret_size = sizeof(*key_lengths);
if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
if (key_lengths)
{
key_lengths->dwMinLength = 128;
key_lengths->dwMaxLength = 256;
key_lengths->dwIncrement = 64;
}
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_AUTH_TAG_LENGTH ))
{
BCRYPT_AUTH_TAG_LENGTHS_STRUCT *tag_length = (void *)buf;
if (alg->mode != MODE_ID_GCM) return STATUS_NOT_SUPPORTED;
*ret_size = sizeof(*tag_length);
if (tag_length && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
if (tag_length)
{
tag_length->dwMinLength = 12;
tag_length->dwMaxLength = 16;
tag_length->dwIncrement = 1;
}
return STATUS_SUCCESS;
}
break;
default:
break;
}
FIXME( "unsupported property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS set_alg_property( struct algorithm *alg, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
switch (alg->id)
{
case ALG_ID_AES:
if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
{
if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size ))
{
alg->mode = MODE_ID_ECB;
return STATUS_SUCCESS;
}
else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size ))
{
alg->mode = MODE_ID_CBC;
return STATUS_SUCCESS;
}
else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM, size ))
{
alg->mode = MODE_ID_GCM;
return STATUS_SUCCESS;
}
else
{
FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) );
return STATUS_NOT_IMPLEMENTED;
}
}
FIXME( "unsupported aes algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
default:
FIXME( "unsupported algorithm %u\n", alg->id );
return STATUS_NOT_IMPLEMENTED;
}
}
static NTSTATUS get_hash_property( const struct hash *hash, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
NTSTATUS status;
status = generic_alg_property( hash->alg_id, prop, buf, size, ret_size );
if (status == STATUS_NOT_IMPLEMENTED)
FIXME( "unsupported property %s\n", debugstr_w(prop) );
return status;
}
NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )
{
struct object *object = handle;
TRACE( "%p, %s, %p, %u, %p, %08x\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
if (!object) return STATUS_INVALID_HANDLE;
if (!prop || !res) return STATUS_INVALID_PARAMETER;
switch (object->magic)
{
case MAGIC_ALG:
{
const struct algorithm *alg = (const struct algorithm *)object;
return get_alg_property( alg, prop, buffer, count, res );
}
case MAGIC_HASH:
{
const struct hash *hash = (const struct hash *)object;
return get_hash_property( hash, prop, buffer, count, res );
}
default:
WARN( "unknown magic %08x\n", object->magic );
return STATUS_INVALID_HANDLE;
}
}
NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm, BCRYPT_HASH_HANDLE *handle, UCHAR *object, ULONG objectlen,
UCHAR *secret, ULONG secretlen, ULONG flags )
{
struct algorithm *alg = algorithm;
UCHAR buffer[MAX_HASH_BLOCK_BITS / 8] = {0};
struct hash *hash;
int block_bytes;
NTSTATUS status;
int i;
TRACE( "%p, %p, %p, %u, %p, %u, %08x - stub\n", algorithm, handle, object, objectlen,
secret, secretlen, flags );
if (flags)
{
FIXME( "unimplemented flags %08x\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (object) FIXME( "ignoring object buffer\n" );
if (!(hash = heap_alloc( sizeof(*hash) ))) return STATUS_NO_MEMORY;
hash->hdr.magic = MAGIC_HASH;
hash->alg_id = alg->id;
hash->hmac = alg->hmac;
/* initialize hash */
if ((status = hash_init( &hash->inner, hash->alg_id ))) goto end;
if (!hash->hmac) goto end;
/* initialize hmac */
if ((status = hash_init( &hash->outer, hash->alg_id ))) goto end;
block_bytes = alg_props[hash->alg_id].block_bits / 8;
if (secretlen > block_bytes)
{
struct hash_impl temp;
if ((status = hash_init( &temp, hash->alg_id ))) goto end;
if ((status = hash_update( &temp, hash->alg_id, secret, secretlen ))) goto end;
if ((status = hash_finish( &temp, hash->alg_id, buffer,
alg_props[hash->alg_id].hash_length ))) goto end;
}
else
{
memcpy( buffer, secret, secretlen );
}
for (i = 0; i < block_bytes; i++) buffer[i] ^= 0x5c;
if ((status = hash_update( &hash->outer, hash->alg_id, buffer, block_bytes ))) goto end;
for (i = 0; i < block_bytes; i++) buffer[i] ^= (0x5c ^ 0x36);
status = hash_update( &hash->inner, hash->alg_id, buffer, block_bytes );
end:
if (status != STATUS_SUCCESS)
{
heap_free( hash );
return status;
}
*handle = hash;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptDuplicateHash( BCRYPT_HASH_HANDLE handle, BCRYPT_HASH_HANDLE *handle_copy,
UCHAR *object, ULONG objectlen, ULONG flags )
{
struct hash *hash_orig = handle;
struct hash *hash_copy;
TRACE( "%p, %p, %p, %u, %u\n", handle, handle_copy, object, objectlen, flags );
if (!hash_orig || hash_orig->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
if (!handle_copy) return STATUS_INVALID_PARAMETER;
if (object) FIXME( "ignoring object buffer\n" );
if (!(hash_copy = heap_alloc( sizeof(*hash_copy) )))
return STATUS_NO_MEMORY;
memcpy( hash_copy, hash_orig, sizeof(*hash_orig) );
*handle_copy = hash_copy;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
{
struct hash *hash = handle;
TRACE( "%p\n", handle );
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
heap_free( hash );
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
{
struct hash *hash = handle;
TRACE( "%p, %p, %u, %08x\n", handle, input, size, flags );
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
if (!input) return STATUS_SUCCESS;
return hash_update( &hash->inner, hash->alg_id, input, size );
}
NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
{
UCHAR buffer[MAX_HASH_OUTPUT_BYTES];
struct hash *hash = handle;
NTSTATUS status;
int hash_length;
TRACE( "%p, %p, %u, %08x\n", handle, output, size, flags );
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
if (!output) return STATUS_INVALID_PARAMETER;
if (!hash->hmac)
return hash_finish( &hash->inner, hash->alg_id, output, size );
hash_length = alg_props[hash->alg_id].hash_length;
if ((status = hash_finish( &hash->inner, hash->alg_id, buffer, hash_length ))) return status;
if ((status = hash_update( &hash->outer, hash->alg_id, buffer, hash_length ))) return status;
return hash_finish( &hash->outer, hash->alg_id, output, size );
}
NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE algorithm, UCHAR *secret, ULONG secretlen,
UCHAR *input, ULONG inputlen, UCHAR *output, ULONG outputlen )
{
NTSTATUS status;
BCRYPT_HASH_HANDLE handle;
TRACE( "%p, %p, %u, %p, %u, %p, %u\n", algorithm, secret, secretlen,
input, inputlen, output, outputlen );
status = BCryptCreateHash( algorithm, &handle, NULL, 0, secret, secretlen, 0);
if (status != STATUS_SUCCESS)
{
return status;
}
status = BCryptHashData( handle, input, inputlen, 0 );
if (status != STATUS_SUCCESS)
{
BCryptDestroyHash( handle );
return status;
}
status = BCryptFinishHash( handle, output, outputlen, 0 );
if (status != STATUS_SUCCESS)
{
BCryptDestroyHash( handle );
return status;
}
return BCryptDestroyHash( handle );
}
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
struct key_symmetric
{
enum mode_id mode;
ULONG block_size;
gnutls_cipher_hd_t handle;
UCHAR *secret;
ULONG secret_len;
};
struct key_asymmetric
{
UCHAR *pubkey;
ULONG pubkey_len;
};
struct key
{
struct object hdr;
enum alg_id alg_id;
union
{
struct key_symmetric s;
struct key_asymmetric a;
} u;
};
#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
struct key_symmetric
{
enum mode_id mode;
ULONG block_size;
CCCryptorRef ref_encrypt;
CCCryptorRef ref_decrypt;
UCHAR *secret;
ULONG secret_len;
};
struct key_asymmetric
{
UCHAR *pubkey;
ULONG pubkey_len;
};
struct key
{
struct object hdr;
enum alg_id alg_id;
union
{
struct key_symmetric s;
struct key_asymmetric a;
} u;
};
#else
struct key
{
struct object hdr;
};
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
static inline BOOL key_is_symmetric( struct key *key )
{
return alg_props[key->alg_id].symmetric;
}
static ULONG get_block_size( struct algorithm *alg )
{
ULONG ret = 0, size = sizeof(ret);
get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
return ret;
}
static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
switch (alg->id)
{
case ALG_ID_AES:
break;
default:
FIXME( "algorithm %u not supported\n", alg->id );
return STATUS_NOT_SUPPORTED;
}
if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
if (!(buffer = heap_alloc( secret_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, secret, secret_len );
key->alg_id = alg->id;
key->u.s.mode = alg->mode;
key->u.s.handle = 0; /* initialized on first use */
key->u.s.secret = buffer;
key->u.s.secret_len = secret_len;
return STATUS_SUCCESS;
}
static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
{
if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size ))
{
key->u.s.mode = MODE_ID_ECB;
return STATUS_SUCCESS;
}
else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size ))
{
key->u.s.mode = MODE_ID_CBC;
return STATUS_SUCCESS;
}
else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM, size ))
{
key->u.s.mode = MODE_ID_GCM;
return STATUS_SUCCESS;
}
else
{
FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) );
return STATUS_NOT_IMPLEMENTED;
}
}
FIXME( "unsupported key property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
}
static gnutls_cipher_algorithm_t get_gnutls_cipher( const struct key *key )
{
switch (key->alg_id)
{
case ALG_ID_AES:
WARN( "handle block size\n" );
switch (key->u.s.mode)
{
case MODE_ID_GCM:
if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_GCM;
if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_GCM;
break;
case MODE_ID_ECB: /* can be emulated with CBC + empty IV */
case MODE_ID_CBC:
if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_CBC;
if (key->u.s.secret_len == 24) return GNUTLS_CIPHER_AES_192_CBC;
if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_CBC;
break;
default:
break;
}
FIXME( "AES mode %u with key length %u not supported\n", key->u.s.mode, key->u.s.secret_len );
return GNUTLS_CIPHER_UNKNOWN;
default:
FIXME( "algorithm %u not supported\n", key->alg_id );
return GNUTLS_CIPHER_UNKNOWN;
}
}
static NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len )
{
gnutls_cipher_algorithm_t cipher;
gnutls_datum_t secret, vector;
int ret;
if (key->u.s.handle)
{
pgnutls_cipher_deinit( key->u.s.handle );
key->u.s.handle = NULL;
}
if ((cipher = get_gnutls_cipher( key )) == GNUTLS_CIPHER_UNKNOWN)
return STATUS_NOT_SUPPORTED;
secret.data = key->u.s.secret;
secret.size = key->u.s.secret_len;
if (iv)
{
vector.data = iv;
vector.size = iv_len;
}
if ((ret = pgnutls_cipher_init( &key->u.s.handle, cipher, &secret, iv ? &vector : NULL )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len )
{
int ret;
if (!auth_data) return STATUS_SUCCESS;
if ((ret = pgnutls_cipher_add_auth( key->u.s.handle, auth_data, len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
{
int ret;
if ((ret = pgnutls_cipher_encrypt2( key->u.s.handle, input, input_len, output, output_len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
{
int ret;
if ((ret = pgnutls_cipher_decrypt2( key->u.s.handle, input, input_len, output, output_len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len )
{
int ret;
if ((ret = pgnutls_cipher_tag( key->u.s.handle, tag, len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len )
{
UCHAR *buffer;
if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
switch (alg->id)
{
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
case ALG_ID_RSA:
break;
default:
FIXME( "algorithm %u not supported\n", alg->id );
return STATUS_NOT_SUPPORTED;
}
if (!(buffer = heap_alloc( pubkey_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, pubkey, pubkey_len );
key->alg_id = alg->id;
key->u.a.pubkey = buffer;
key->u.a.pubkey_len = pubkey_len;
return STATUS_SUCCESS;
}
struct buffer
{
BYTE *buffer;
DWORD length;
DWORD pos;
BOOL error;
};
static void buffer_init( struct buffer *buffer )
{
buffer->buffer = NULL;
buffer->length = 0;
buffer->pos = 0;
buffer->error = FALSE;
}
static void buffer_free( struct buffer *buffer )
{
heap_free( buffer->buffer );
}
static void buffer_append( struct buffer *buffer, BYTE *data, DWORD len )
{
if (!len) return;
if (buffer->pos + len > buffer->length)
{
DWORD new_length = max( max( buffer->pos + len, buffer->length * 2 ), 64 );
BYTE *new_buffer;
if (!(new_buffer = heap_realloc( buffer->buffer, new_length )))
{
ERR( "out of memory\n" );
buffer->error = TRUE;
return;
}
buffer->buffer = new_buffer;
buffer->length = new_length;
}
memcpy( &buffer->buffer[buffer->pos], data, len );
buffer->pos += len;
}
static void buffer_append_byte( struct buffer *buffer, BYTE value )
{
buffer_append( buffer, &value, sizeof(value) );
}
static void buffer_append_asn1_length( struct buffer *buffer, DWORD length )
{
DWORD num_bytes;
if (length < 128)
{
buffer_append_byte( buffer, length );
return;
}
if (length <= 0xff) num_bytes = 1;
else if (length <= 0xffff) num_bytes = 2;
else if (length <= 0xffffff) num_bytes = 3;
else num_bytes = 4;
buffer_append_byte( buffer, 0x80 | num_bytes );
while (num_bytes--) buffer_append_byte( buffer, length >> (num_bytes * 8) );
}
static void buffer_append_asn1_integer( struct buffer *buffer, BYTE *data, DWORD len )
{
DWORD leading_zero = (*data & 0x80) != 0;
buffer_append_byte( buffer, 0x02 ); /* tag */
buffer_append_asn1_length( buffer, len + leading_zero );
if (leading_zero) buffer_append_byte( buffer, 0 );
buffer_append( buffer, data, len );
}
static void buffer_append_asn1_sequence( struct buffer *buffer, struct buffer *content )
{
if (content->error)
{
buffer->error = TRUE;
return;
}
buffer_append_byte( buffer, 0x30 ); /* tag */
buffer_append_asn1_length( buffer, content->pos );
buffer_append( buffer, content->buffer, content->pos );
}
static void buffer_append_asn1_r_s( struct buffer *buffer, BYTE *r, DWORD r_len, BYTE *s, DWORD s_len )
{
struct buffer value;
buffer_init( &value );
buffer_append_asn1_integer( &value, r, r_len );
buffer_append_asn1_integer( &value, s, s_len );
buffer_append_asn1_sequence( buffer, &value );
buffer_free( &value );
}
static NTSTATUS import_gnutls_pubkey_ecc( struct key *key, gnutls_pubkey_t *gnutls_key )
{
BCRYPT_ECCKEY_BLOB *ecc_blob;
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDSA_P256: curve = GNUTLS_ECC_CURVE_SECP256R1; break;
case ALG_ID_ECDSA_P384: curve = GNUTLS_ECC_CURVE_SECP384R1; break;
default:
FIXME( "algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
if ((ret = pgnutls_pubkey_init( gnutls_key )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
ecc_blob = (BCRYPT_ECCKEY_BLOB *)key->u.a.pubkey;
x.data = key->u.a.pubkey + sizeof(*ecc_blob);
x.size = ecc_blob->cbKey;
y.data = key->u.a.pubkey + sizeof(*ecc_blob) + ecc_blob->cbKey;
y.size = ecc_blob->cbKey;
if ((ret = pgnutls_pubkey_import_ecc_raw( *gnutls_key, curve, &x, &y )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( *gnutls_key );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS import_gnutls_pubkey_rsa( struct key *key, gnutls_pubkey_t *gnutls_key )
{
BCRYPT_RSAKEY_BLOB *rsa_blob;
gnutls_datum_t m, e;
int ret;
if ((ret = pgnutls_pubkey_init( gnutls_key )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
rsa_blob = (BCRYPT_RSAKEY_BLOB *)key->u.a.pubkey;
e.data = key->u.a.pubkey + sizeof(*rsa_blob);
e.size = rsa_blob->cbPublicExp;
m.data = key->u.a.pubkey + sizeof(*rsa_blob) + rsa_blob->cbPublicExp;
m.size = rsa_blob->cbModulus;
if ((ret = pgnutls_pubkey_import_rsa_raw( *gnutls_key, &m, &e )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( *gnutls_key );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS import_gnutls_pubkey( struct key *key, gnutls_pubkey_t *gnutls_key )
{
switch (key->alg_id)
{
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
return import_gnutls_pubkey_ecc( key, gnutls_key );
case ALG_ID_RSA:
return import_gnutls_pubkey_rsa( key, gnutls_key );
default:
FIXME("algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
}
static NTSTATUS prepare_gnutls_signature_ecc( struct key *key, UCHAR *signature, ULONG signature_len,
gnutls_datum_t *gnutls_signature )
{
struct buffer buffer;
DWORD r_len = signature_len / 2;
DWORD s_len = r_len;
BYTE *r = signature;
BYTE *s = signature + r_len;
buffer_init( &buffer );
buffer_append_asn1_r_s( &buffer, r, r_len, s, s_len );
if (buffer.error)
{
buffer_free( &buffer );
return STATUS_NO_MEMORY;
}
gnutls_signature->data = buffer.buffer;
gnutls_signature->size = buffer.pos;
return STATUS_SUCCESS;
}
static NTSTATUS prepare_gnutls_signature_rsa( struct key *key, UCHAR *signature, ULONG signature_len,
gnutls_datum_t *gnutls_signature )
{
gnutls_signature->data = signature;
gnutls_signature->size = signature_len;
return STATUS_SUCCESS;
}
static NTSTATUS prepare_gnutls_signature( struct key *key, UCHAR *signature, ULONG signature_len,
gnutls_datum_t *gnutls_signature )
{
switch (key->alg_id)
{
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
return prepare_gnutls_signature_ecc( key, signature, signature_len, gnutls_signature );
case ALG_ID_RSA:
return prepare_gnutls_signature_rsa( key, signature, signature_len, gnutls_signature );
default:
FIXME( "algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
}
static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, DWORD flags )
{
gnutls_digest_algorithm_t hash_alg;
gnutls_sign_algorithm_t sign_alg;
gnutls_datum_t gnutls_hash, gnutls_signature;
gnutls_pk_algorithm_t pk_alg;
gnutls_pubkey_t gnutls_key;
NTSTATUS status;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
{
if (flags) FIXME( "flags %08x not supported\n", flags );
/* only the hash size must match, not the actual hash function */
switch (hash_len)
{
case 32: hash_alg = GNUTLS_DIG_SHA256; break;
case 48: hash_alg = GNUTLS_DIG_SHA384; break;
default:
FIXME( "hash size %u not yet supported\n", hash_len );
return STATUS_INVALID_SIGNATURE;
}
pk_alg = GNUTLS_PK_ECC;
break;
}
case ALG_ID_RSA:
{
BCRYPT_PKCS1_PADDING_INFO *info = (BCRYPT_PKCS1_PADDING_INFO *)padding;
if (!(flags & BCRYPT_PAD_PKCS1) || !info) return STATUS_INVALID_PARAMETER;
if (!info->pszAlgId) return STATUS_INVALID_SIGNATURE;
if (!strcmpW( info->pszAlgId, BCRYPT_SHA1_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA1;
else if (!strcmpW( info->pszAlgId, BCRYPT_SHA256_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA256;
else if (!strcmpW( info->pszAlgId, BCRYPT_SHA384_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA384;
else if (!strcmpW( info->pszAlgId, BCRYPT_SHA512_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA512;
else
{
FIXME( "hash algorithm %s not supported\n", debugstr_w(info->pszAlgId) );
return STATUS_NOT_SUPPORTED;
}
pk_alg = GNUTLS_PK_RSA;
break;
}
default:
FIXME( "algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
if ((sign_alg = pgnutls_pk_to_sign( pk_alg, hash_alg )) == GNUTLS_SIGN_UNKNOWN)
{
FIXME("GnuTLS does not support algorithm %u with hash len %u\n", key->alg_id, hash_len );
return STATUS_NOT_IMPLEMENTED;
}
if ((status = import_gnutls_pubkey( key, &gnutls_key ))) return status;
if ((status = prepare_gnutls_signature( key, signature, signature_len, &gnutls_signature )))
{
pgnutls_pubkey_deinit( gnutls_key );
return status;
}
gnutls_hash.data = hash;
gnutls_hash.size = hash_len;
ret = pgnutls_pubkey_verify_hash2( gnutls_key, sign_alg, 0, &gnutls_hash, &gnutls_signature );
if (gnutls_signature.data != signature) heap_free( gnutls_signature.data );
pgnutls_pubkey_deinit( gnutls_key );
return (ret < 0) ? STATUS_INVALID_SIGNATURE : STATUS_SUCCESS;
}
static NTSTATUS key_destroy( struct key *key )
{
if (key_is_symmetric( key ))
{
if (key->u.s.handle) pgnutls_cipher_deinit( key->u.s.handle );
heap_free( key->u.s.secret );
}
else heap_free( key->u.a.pubkey );
heap_free( key );
return STATUS_SUCCESS;
}
#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static inline BOOL key_is_symmetric( struct key *key )
{
return alg_props[key->alg_id].symmetric;
}
static ULONG get_block_size( struct algorithm *alg )
{
ULONG ret = 0, size = sizeof(ret);
get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
return ret;
}
static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
switch (alg->id)
{
case ALG_ID_AES:
switch (alg->mode)
{
case MODE_ID_ECB:
case MODE_ID_CBC:
break;
default:
FIXME( "mode %u not supported\n", alg->mode );
return STATUS_NOT_SUPPORTED;
}
break;
default:
FIXME( "algorithm %u not supported\n", alg->id );
return STATUS_NOT_SUPPORTED;
}
if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
if (!(buffer = heap_alloc( secret_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, secret, secret_len );
key->alg_id = alg->id;
key->u.s.mode = alg->mode;
key->u.s.ref_encrypt = NULL; /* initialized on first use */
key->u.s.ref_decrypt = NULL;
key->u.s.secret = buffer;
key->u.s.secret_len = secret_len;
return STATUS_SUCCESS;
}
static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
{
if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size ))
{
key->u.s.mode = MODE_ID_ECB;
return STATUS_SUCCESS;
}
else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size ))
{
key->u.s.mode = MODE_ID_CBC;
return STATUS_SUCCESS;
}
else
{
FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) );
return STATUS_NOT_IMPLEMENTED;
}
}
FIXME( "unsupported key property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
}
static CCMode get_cryptor_mode( struct key *key )
{
switch (key->u.s.mode)
{
case MODE_ID_ECB: return kCCModeECB;
case MODE_ID_CBC: return kCCModeCBC;
default:
FIXME( "unsupported mode %u\n", key->u.s.mode );
return 0;
}
}
static NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len )
{
CCCryptorStatus status;
CCMode mode;
if (!(mode = get_cryptor_mode( key ))) return STATUS_NOT_SUPPORTED;
if (key->u.s.ref_encrypt)
{
CCCryptorRelease( key->u.s.ref_encrypt );
key->u.s.ref_encrypt = NULL;
}
if (key->u.s.ref_decrypt)
{
CCCryptorRelease( key->u.s.ref_decrypt );
key->u.s.ref_decrypt = NULL;
}
if ((status = CCCryptorCreateWithMode( kCCEncrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret,
key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_encrypt )) != kCCSuccess)
{
WARN( "CCCryptorCreateWithMode failed %d\n", status );
return STATUS_INTERNAL_ERROR;
}
if ((status = CCCryptorCreateWithMode( kCCDecrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret,
key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_decrypt )) != kCCSuccess)
{
WARN( "CCCryptorCreateWithMode failed %d\n", status );
CCCryptorRelease( key->u.s.ref_encrypt );
key->u.s.ref_encrypt = NULL;
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len )
{
FIXME( "not implemented on Mac\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
{
CCCryptorStatus status;
if ((status = CCCryptorUpdate( key->u.s.ref_encrypt, input, input_len, output, output_len, NULL )) != kCCSuccess)
{
WARN( "CCCryptorUpdate failed %d\n", status );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
{
CCCryptorStatus status;
if ((status = CCCryptorUpdate( key->u.s.ref_decrypt, input, input_len, output, output_len, NULL )) != kCCSuccess)
{
WARN( "CCCryptorUpdate failed %d\n", status );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len )
{
FIXME( "not implemented on Mac\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, DWORD flags )
{
FIXME( "not implemented on Mac\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_destroy( struct key *key )
{
if (key->u.s.ref_encrypt) CCCryptorRelease( key->u.s.ref_encrypt );
if (key->u.s.ref_decrypt) CCCryptorRelease( key->u.s.ref_decrypt );
heap_free( key->u.s.secret );
heap_free( key );
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len )
{
FIXME( "not implemented on Mac\n" );
return STATUS_NOT_IMPLEMENTED;
}
#else
static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, DWORD flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_destroy( struct key *key )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static inline BOOL key_is_symmetric( struct key *key )
{
ERR( "support for keys not available at build time\n" );
return FALSE;
}
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
ULONG input_len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
{
ULONG len;
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
{
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
{
FIXME( "unknown key data blob version %u\n", header->dwVersion );
return STATUS_INVALID_PARAMETER;
}
len = header->cbKeyData;
if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, (UCHAR *)&header[1], len, 0 );
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
len = *(ULONG *)input;
if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, input + sizeof(len), len, 0 );
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
{
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
{
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->u.s.secret_len;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
header->cbKeyData = key->u.s.secret_len;
memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
*(ULONG *)output = key->u.s.secret_len;
memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
{
UCHAR *buffer;
memset( key_copy, 0, sizeof(*key_copy) );
key_copy->hdr = key_orig->hdr;
key_copy->alg_id = key_orig->alg_id;
if (key_is_symmetric( key_orig ))
{
if (!(buffer = heap_alloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
key_copy->u.s.mode = key_orig->u.s.mode;
key_copy->u.s.block_size = key_orig->u.s.block_size;
key_copy->u.s.secret = buffer;
key_copy->u.s.secret_len = key_orig->u.s.secret_len;
}
else
{
if (!(buffer = heap_alloc( key_orig->u.a.pubkey_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.a.pubkey, key_orig->u.a.pubkey_len );
key_copy->u.a.pubkey = buffer;
key_copy->u.a.pubkey_len = key_orig->u.a.pubkey_len;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ULONG bytes_left = input_len;
UCHAR *buf, *src, *dst;
NTSTATUS status;
if (key->u.s.mode == MODE_ID_GCM)
{
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
if (!auth_info) return STATUS_INVALID_PARAMETER;
if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
if (auth_info->dwFlags & BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG)
FIXME( "call chaining not implemented\n" );
if ((status = key_symmetric_set_params( key, auth_info->pbNonce, auth_info->cbNonce )))
return status;
*ret_len = input_len;
if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
if (input && !output) return STATUS_SUCCESS;
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if ((status = key_symmetric_set_auth_data( key, auth_info->pbAuthData, auth_info->cbAuthData )))
return status;
if ((status = key_symmetric_encrypt( key, input, input_len, output, output_len ))) return status;
return key_symmetric_get_tag( key, auth_info->pbTag, auth_info->cbTag );
}
if ((status = key_symmetric_set_params( key, iv, iv_len ))) return status;
*ret_len = input_len;
if (flags & BCRYPT_BLOCK_PADDING)
*ret_len = (input_len + key->u.s.block_size) & ~(key->u.s.block_size - 1);
else if (input_len & (key->u.s.block_size - 1))
return STATUS_INVALID_BUFFER_SIZE;
if (!output) return STATUS_SUCCESS;
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if (key->u.s.mode == MODE_ID_ECB && iv) return STATUS_INVALID_PARAMETER;
src = input;
dst = output;
while (bytes_left >= key->u.s.block_size)
{
if ((status = key_symmetric_encrypt( key, src, key->u.s.block_size, dst, key->u.s.block_size )))
return status;
if (key->u.s.mode == MODE_ID_ECB && (status = key_symmetric_set_params( key, NULL, 0 ))) return status;
bytes_left -= key->u.s.block_size;
src += key->u.s.block_size;
dst += key->u.s.block_size;
}
if (flags & BCRYPT_BLOCK_PADDING)
{
if (!(buf = heap_alloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
memcpy( buf, src, bytes_left );
memset( buf + bytes_left, key->u.s.block_size - bytes_left, key->u.s.block_size - bytes_left );
status = key_symmetric_encrypt( key, buf, key->u.s.block_size, dst, key->u.s.block_size );
heap_free( buf );
}
return status;
}
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ULONG bytes_left = input_len;
UCHAR *buf, *src, *dst;
NTSTATUS status;
if (key->u.s.mode == MODE_ID_GCM)
{
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
UCHAR tag[16];
if (!auth_info) return STATUS_INVALID_PARAMETER;
if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
if ((status = key_symmetric_set_params( key, auth_info->pbNonce, auth_info->cbNonce )))
return status;
*ret_len = input_len;
if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
if (!output) return STATUS_SUCCESS;
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if ((status = key_symmetric_set_auth_data( key, auth_info->pbAuthData, auth_info->cbAuthData )))
return status;
if ((status = key_symmetric_decrypt( key, input, input_len, output, output_len ))) return status;
if ((status = key_symmetric_get_tag( key, tag, sizeof(tag) ))) return status;
if (memcmp( tag, auth_info->pbTag, auth_info->cbTag )) return STATUS_AUTH_TAG_MISMATCH;
return STATUS_SUCCESS;
}
if ((status = key_symmetric_set_params( key, iv, iv_len ))) return status;
*ret_len = input_len;
if (input_len & (key->u.s.block_size - 1)) return STATUS_INVALID_BUFFER_SIZE;
if (!output) return STATUS_SUCCESS;
if (flags & BCRYPT_BLOCK_PADDING)
{
if (output_len + key->u.s.block_size < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if (input_len < key->u.s.block_size) return STATUS_BUFFER_TOO_SMALL;
bytes_left -= key->u.s.block_size;
}
else if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if (key->u.s.mode == MODE_ID_ECB && iv) return STATUS_INVALID_PARAMETER;
src = input;
dst = output;
while (bytes_left >= key->u.s.block_size)
{
if ((status = key_symmetric_decrypt( key, src, key->u.s.block_size, dst, key->u.s.block_size )))
return status;
if (key->u.s.mode == MODE_ID_ECB && (status = key_symmetric_set_params( key, NULL, 0 ))) return status;
bytes_left -= key->u.s.block_size;
src += key->u.s.block_size;
dst += key->u.s.block_size;
}
if (flags & BCRYPT_BLOCK_PADDING)
{
if (!(buf = heap_alloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
status = key_symmetric_decrypt( key, src, key->u.s.block_size, buf, key->u.s.block_size );
if (!status && buf[ key->u.s.block_size - 1 ] <= key->u.s.block_size)
{
*ret_len -= buf[ key->u.s.block_size - 1 ];
if (output_len < *ret_len) status = STATUS_BUFFER_TOO_SMALL;
else memcpy( dst, buf, key->u.s.block_size - buf[ key->u.s.block_size - 1 ] );
}
else status = STATUS_UNSUCCESSFUL; /* FIXME: invalid padding */
heap_free( buf );
}
return status;
}
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
ULONG input_len )
{
struct key *key;
NTSTATUS status;
if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB ))
{
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
DWORD key_size, magic;
if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
switch (alg->id)
{
case ALG_ID_ECDSA_P256:
key_size = 32;
magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
break;
case ALG_ID_ECDSA_P384:
key_size = 48;
magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
break;
default:
FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED;
if (ecc_blob->cbKey != key_size) return STATUS_INVALID_PARAMETER;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if ((status = key_asymmetric_init( key, alg, (BYTE *)ecc_blob, sizeof(*ecc_blob) + ecc_blob->cbKey * 2 )))
{
heap_free( key );
return status;
}
*ret_key = key;
return STATUS_SUCCESS;
}
else if (!strcmpW( type, BCRYPT_RSAPUBLIC_BLOB ))
{
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
ULONG size;
if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
if (alg->id != ALG_ID_RSA || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC) return STATUS_NOT_SUPPORTED;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
if ((status = key_asymmetric_init( key, alg, (BYTE *)rsa_blob, size )))
{
heap_free( key );
return status;
}
*ret_key = key;
return STATUS_SUCCESS;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
#endif
NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle,
UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
ULONG flags )
{
struct algorithm *alg = algorithm;
struct key *key;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm, handle, object, object_len, secret, secret_len, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (object) FIXME( "ignoring object buffer\n" );
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if ((status = key_symmetric_init( key, alg, secret, secret_len )))
{
heap_free( key );
return status;
}
*handle = key;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptImportKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, LPCWSTR type,
BCRYPT_KEY_HANDLE *key, PUCHAR object, ULONG object_len, PUCHAR input,
ULONG input_len, ULONG flags )
{
struct algorithm *alg = algorithm;
TRACE("%p, %p, %s, %p, %p, %u, %p, %u, %u\n", algorithm, decrypt_key, debugstr_w(type), key, object,
object_len, input, input_len, flags);
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!key || !type || !input) return STATUS_INVALID_PARAMETER;
if (decrypt_key)
{
FIXME( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_import( algorithm, type, key, object, object_len, input, input_len );
}
NTSTATUS WINAPI BCryptExportKey( BCRYPT_KEY_HANDLE export_key, BCRYPT_KEY_HANDLE encrypt_key, LPCWSTR type,
PUCHAR output, ULONG output_len, ULONG *size, ULONG flags )
{
struct key *key = export_key;
TRACE("%p, %p, %s, %p, %u, %p, %u\n", key, encrypt_key, debugstr_w(type), output, output_len, size, flags);
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!output || !type || !size) return STATUS_INVALID_PARAMETER;
if (encrypt_key)
{
FIXME( "encryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_export( key, type, output, output_len, size );
}
NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
UCHAR *object, ULONG object_len, ULONG flags )
{
struct key *key_orig = handle;
struct key *key_copy;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %08x\n", handle, handle_copy, object, object_len, flags );
if (object) FIXME( "ignoring object buffer\n" );
if (!key_orig || key_orig->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!handle_copy) return STATUS_INVALID_PARAMETER;
if (!(key_copy = heap_alloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
if ((status = key_duplicate( key_orig, key_copy )))
{
heap_free( key_copy );
return status;
}
*handle_copy = key_copy;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, ULONG input_len, ULONG flags )
{
struct algorithm *alg = algorithm;
TRACE( "%p, %p, %s, %p, %p, %u, %08x\n", algorithm, decrypt_key, debugstr_w(type), ret_key, input,
input_len, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!ret_key || !type || !input) return STATUS_INVALID_PARAMETER;
if (decrypt_key)
{
FIXME( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_import_pair( alg, type, ret_key, input, input_len );
}
NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", handle, padding, hash, hash_len, signature, signature_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
if (key_is_symmetric( key )) return STATUS_NOT_SUPPORTED;
return key_asymmetric_verify( key, padding, hash, hash_len, signature, signature_len, flags );
}
NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
{
struct key *key = handle;
TRACE( "%p\n", handle );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
return key_destroy( key );
}
NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "encryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not implemented\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
return key_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
}
NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "decryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not supported\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
return key_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
}
NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
struct object *object = handle;
TRACE( "%p, %s, %p, %u, %08x\n", handle, debugstr_w(prop), value, size, flags );
if (!object) return STATUS_INVALID_HANDLE;
switch (object->magic)
{
case MAGIC_ALG:
{
struct algorithm *alg = (struct algorithm *)object;
return set_alg_property( alg, prop, value, size, flags );
}
case MAGIC_KEY:
{
struct key *key = (struct key *)object;
return set_key_property( key, prop, value, size, flags );
}
default:
WARN( "unknown magic %08x\n", object->magic );
return STATUS_INVALID_HANDLE;
}
}
BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
instance = hinst;
DisableThreadLibraryCalls( hinst );
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
gnutls_initialize();
#endif
break;
case DLL_PROCESS_DETACH:
if (reserved) break;
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
gnutls_uninitialize();
#endif
break;
}
return TRUE;
}
Reference in New Issue View Git Blame Copy Permalink