bcrypt: Move GnuTLS support to a new file.
Signed-off-by: Hans Leidekker <hans@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker
Alexandre Julliard
parent
ddf762a82f
commit
018b695efa
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@ -5,6 +5,7 @@ EXTRAINCL = $(GNUTLS_CFLAGS)
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C_SRCS = \
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bcrypt_main.c \
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gnutls.c \
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md2.c \
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sha256.c \
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sha512.c
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@ -21,9 +21,18 @@
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#define __BCRYPT_INTERNAL_H
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#include <stdarg.h>
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#ifdef HAVE_GNUTLS_CIPHER_INIT
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#include <gnutls/abstract.h>
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#elif HAVE_COMMONCRYPTO_COMMONCRYPTOR_H
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#include <AvailabilityMacros.h>
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#include <CommonCrypto/CommonCryptor.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "bcrypt.h"
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typedef struct
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{
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@ -96,4 +105,132 @@ VOID WINAPI A_SHAInit(SHA_CTX *ctx);
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VOID WINAPI A_SHAUpdate(SHA_CTX *ctx, const UCHAR *buffer, UINT size);
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VOID WINAPI A_SHAFinal(SHA_CTX *ctx, PULONG result);
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struct buffer
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{
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BYTE *buffer;
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DWORD length;
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DWORD pos;
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BOOL error;
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};
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void buffer_init( struct buffer * ) DECLSPEC_HIDDEN;
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void buffer_free( struct buffer * ) DECLSPEC_HIDDEN;
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void buffer_append_asn1_r_s( struct buffer *, BYTE *, DWORD, BYTE *, DWORD ) DECLSPEC_HIDDEN;
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#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
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#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
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#define MAGIC_KEY (('K' << 24) | ('E' << 16) | ('Y' << 8) | '0')
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struct object
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{
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ULONG magic;
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};
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enum alg_id
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{
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ALG_ID_AES,
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ALG_ID_MD2,
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ALG_ID_MD4,
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ALG_ID_MD5,
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ALG_ID_RNG,
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ALG_ID_RSA,
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ALG_ID_SHA1,
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ALG_ID_SHA256,
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ALG_ID_SHA384,
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ALG_ID_SHA512,
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ALG_ID_ECDSA_P256,
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ALG_ID_ECDSA_P384,
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};
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enum mode_id
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{
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MODE_ID_ECB,
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MODE_ID_CBC,
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MODE_ID_GCM
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};
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struct algorithm
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{
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struct object hdr;
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enum alg_id id;
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enum mode_id mode;
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BOOL hmac;
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};
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#if defined(HAVE_GNUTLS_CIPHER_INIT)
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struct key_symmetric
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{
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enum mode_id mode;
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ULONG block_size;
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gnutls_cipher_hd_t handle;
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UCHAR *secret;
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ULONG secret_len;
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};
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struct key_asymmetric
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{
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UCHAR *pubkey;
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ULONG pubkey_len;
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};
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struct key
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{
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struct object hdr;
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enum alg_id alg_id;
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union
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{
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struct key_symmetric s;
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struct key_asymmetric a;
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} u;
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};
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#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
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struct key_symmetric
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{
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enum mode_id mode;
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ULONG block_size;
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CCCryptorRef ref_encrypt;
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CCCryptorRef ref_decrypt;
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UCHAR *secret;
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ULONG secret_len;
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};
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struct key_asymmetric
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{
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UCHAR *pubkey;
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ULONG pubkey_len;
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};
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struct key
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{
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struct object hdr;
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enum alg_id alg_id;
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union
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{
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struct key_symmetric s;
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struct key_asymmetric a;
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} u;
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};
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#else
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struct key
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{
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struct object hdr;
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};
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#endif
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NTSTATUS get_alg_property( const struct algorithm *, const WCHAR *, UCHAR *, ULONG, ULONG * ) DECLSPEC_HIDDEN;
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NTSTATUS key_set_property( struct key *, const WCHAR *, UCHAR *, ULONG, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_set_params( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_set_auth_data( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_encrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_decrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_get_tag( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_asymmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_asymmetric_verify( struct key *, void *, UCHAR *, ULONG, UCHAR *, ULONG, DWORD ) DECLSPEC_HIDDEN;
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NTSTATUS key_destroy( struct key * ) DECLSPEC_HIDDEN;
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BOOL key_is_symmetric( struct key * ) DECLSPEC_HIDDEN;
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BOOL gnutls_initialize(void) DECLSPEC_HIDDEN;
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void gnutls_uninitialize(void) DECLSPEC_HIDDEN;
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#endif /* __BCRYPT_INTERNAL_H */
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,632 @@
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/*
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* Copyright 2009 Henri Verbeet for CodeWeavers
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* Copyright 2018 Hans Leidekker for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#ifdef HAVE_GNUTLS_CIPHER_INIT
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#include <gnutls/abstract.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "ntsecapi.h"
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#include "bcrypt.h"
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#include "bcrypt_internal.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "wine/library.h"
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#include "wine/unicode.h"
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#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
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WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
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WINE_DECLARE_DEBUG_CHANNEL(winediag);
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#if GNUTLS_VERSION_MAJOR < 3
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#define GNUTLS_CIPHER_AES_192_CBC 92
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#define GNUTLS_CIPHER_AES_128_GCM 93
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#define GNUTLS_CIPHER_AES_256_GCM 94
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#define GNUTLS_PK_ECC 4
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typedef enum
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{
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GNUTLS_ECC_CURVE_INVALID,
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GNUTLS_ECC_CURVE_SECP224R1,
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GNUTLS_ECC_CURVE_SECP256R1,
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GNUTLS_ECC_CURVE_SECP384R1,
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GNUTLS_ECC_CURVE_SECP521R1,
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} gnutls_ecc_curve_t;
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#endif
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/* Not present in gnutls version < 3.0 */
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static int (*pgnutls_cipher_tag)(gnutls_cipher_hd_t, void *, size_t);
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static int (*pgnutls_cipher_add_auth)(gnutls_cipher_hd_t, const void *, size_t);
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static int (*pgnutls_pubkey_import_ecc_raw)(gnutls_pubkey_t, gnutls_ecc_curve_t,
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const gnutls_datum_t *, const gnutls_datum_t *);
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static gnutls_sign_algorithm_t (*pgnutls_pk_to_sign)(gnutls_pk_algorithm_t, gnutls_digest_algorithm_t);
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static int (*pgnutls_pubkey_verify_hash2)(gnutls_pubkey_t, gnutls_sign_algorithm_t, unsigned int,
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const gnutls_datum_t *, const gnutls_datum_t *);
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/* Not present in gnutls version < 2.11.0 */
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static int (*pgnutls_pubkey_import_rsa_raw)(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e);
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static void *libgnutls_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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MAKE_FUNCPTR(gnutls_cipher_decrypt2);
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MAKE_FUNCPTR(gnutls_cipher_deinit);
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MAKE_FUNCPTR(gnutls_cipher_encrypt2);
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MAKE_FUNCPTR(gnutls_cipher_init);
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MAKE_FUNCPTR(gnutls_global_deinit);
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MAKE_FUNCPTR(gnutls_global_init);
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MAKE_FUNCPTR(gnutls_global_set_log_function);
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MAKE_FUNCPTR(gnutls_global_set_log_level);
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MAKE_FUNCPTR(gnutls_perror);
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MAKE_FUNCPTR(gnutls_pubkey_init);
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MAKE_FUNCPTR(gnutls_pubkey_deinit);
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#undef MAKE_FUNCPTR
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static int compat_gnutls_cipher_tag(gnutls_cipher_hd_t handle, void *tag, size_t tag_size)
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{
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return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
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}
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static int compat_gnutls_cipher_add_auth(gnutls_cipher_hd_t handle, const void *ptext, size_t ptext_size)
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{
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return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
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}
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static int compat_gnutls_pubkey_import_ecc_raw(gnutls_pubkey_t key, gnutls_ecc_curve_t curve,
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const gnutls_datum_t *x, const gnutls_datum_t *y)
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{
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return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
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}
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static gnutls_sign_algorithm_t compat_gnutls_pk_to_sign(gnutls_pk_algorithm_t pk, gnutls_digest_algorithm_t hash)
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{
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return GNUTLS_SIGN_UNKNOWN;
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}
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static int compat_gnutls_pubkey_verify_hash2(gnutls_pubkey_t key, gnutls_sign_algorithm_t algo,
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unsigned int flags, const gnutls_datum_t *hash,
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const gnutls_datum_t *signature)
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{
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return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
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}
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static int compat_gnutls_pubkey_import_rsa_raw(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e)
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{
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return GNUTLS_E_UNKNOWN_CIPHER_TYPE;
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}
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static void gnutls_log( int level, const char *msg )
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{
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TRACE( "<%d> %s", level, msg );
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}
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BOOL gnutls_initialize(void)
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{
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int ret;
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if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 )))
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{
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ERR_(winediag)( "failed to load libgnutls, no support for encryption\n" );
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return FALSE;
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}
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#define LOAD_FUNCPTR(f) \
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if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \
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{ \
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ERR( "failed to load %s\n", #f ); \
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goto fail; \
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}
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LOAD_FUNCPTR(gnutls_cipher_decrypt2)
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LOAD_FUNCPTR(gnutls_cipher_deinit)
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LOAD_FUNCPTR(gnutls_cipher_encrypt2)
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LOAD_FUNCPTR(gnutls_cipher_init)
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LOAD_FUNCPTR(gnutls_global_deinit)
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LOAD_FUNCPTR(gnutls_global_init)
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LOAD_FUNCPTR(gnutls_global_set_log_function)
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LOAD_FUNCPTR(gnutls_global_set_log_level)
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LOAD_FUNCPTR(gnutls_perror)
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LOAD_FUNCPTR(gnutls_pubkey_init);
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LOAD_FUNCPTR(gnutls_pubkey_deinit);
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#undef LOAD_FUNCPTR
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if (!(pgnutls_cipher_tag = wine_dlsym( libgnutls_handle, "gnutls_cipher_tag", NULL, 0 )))
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{
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WARN("gnutls_cipher_tag not found\n");
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pgnutls_cipher_tag = compat_gnutls_cipher_tag;
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}
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if (!(pgnutls_cipher_add_auth = wine_dlsym( libgnutls_handle, "gnutls_cipher_add_auth", NULL, 0 )))
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{
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WARN("gnutls_cipher_add_auth not found\n");
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pgnutls_cipher_add_auth = compat_gnutls_cipher_add_auth;
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}
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if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
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{
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pgnutls_perror( ret );
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goto fail;
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}
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if (!(pgnutls_pubkey_import_ecc_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_ecc_raw", NULL, 0 )))
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{
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WARN("gnutls_pubkey_import_ecc_raw not found\n");
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pgnutls_pubkey_import_ecc_raw = compat_gnutls_pubkey_import_ecc_raw;
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}
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if (!(pgnutls_pk_to_sign = wine_dlsym( libgnutls_handle, "gnutls_pk_to_sign", NULL, 0 )))
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{
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WARN("gnutls_pk_to_sign not found\n");
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pgnutls_pk_to_sign = compat_gnutls_pk_to_sign;
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}
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if (!(pgnutls_pubkey_verify_hash2 = wine_dlsym( libgnutls_handle, "gnutls_pubkey_verify_hash2", NULL, 0 )))
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{
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WARN("gnutls_pubkey_verify_hash2 not found\n");
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pgnutls_pubkey_verify_hash2 = compat_gnutls_pubkey_verify_hash2;
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}
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if (!(pgnutls_pubkey_import_rsa_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_rsa_raw", NULL, 0 )))
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{
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WARN("gnutls_pubkey_import_rsa_raw not found\n");
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pgnutls_pubkey_import_rsa_raw = compat_gnutls_pubkey_import_rsa_raw;
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}
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if (TRACE_ON( bcrypt ))
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{
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pgnutls_global_set_log_level( 4 );
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pgnutls_global_set_log_function( gnutls_log );
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}
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return TRUE;
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fail:
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wine_dlclose( libgnutls_handle, NULL, 0 );
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libgnutls_handle = NULL;
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return FALSE;
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}
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void gnutls_uninitialize(void)
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{
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pgnutls_global_deinit();
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wine_dlclose( libgnutls_handle, NULL, 0 );
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libgnutls_handle = NULL;
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}
|
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NTSTATUS key_set_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
|
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{
|
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if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
|
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{
|
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if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size ))
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{
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key->u.s.mode = MODE_ID_ECB;
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return STATUS_SUCCESS;
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}
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else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size ))
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{
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key->u.s.mode = MODE_ID_CBC;
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return STATUS_SUCCESS;
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}
|
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else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM, size ))
|
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{
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key->u.s.mode = MODE_ID_GCM;
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return STATUS_SUCCESS;
|
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}
|
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else
|
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{
|
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FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) );
|
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return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
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}
|
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|
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FIXME( "unsupported key property %s\n", debugstr_w(prop) );
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return STATUS_NOT_IMPLEMENTED;
|
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}
|
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|
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static ULONG get_block_size( struct algorithm *alg )
|
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{
|
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ULONG ret = 0, size = sizeof(ret);
|
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get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
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return ret;
|
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}
|
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|
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NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
|
||||
{
|
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if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
|
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|
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switch (alg->id)
|
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{
|
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case ALG_ID_AES:
|
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break;
|
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|
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default:
|
||||
FIXME( "algorithm %u not supported\n", alg->id );
|
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return STATUS_NOT_SUPPORTED;
|
||||
}
|
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|
||||
if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
|
||||
if (!(key->u.s.secret = heap_alloc( secret_len ))) return STATUS_NO_MEMORY;
|
||||
memcpy( key->u.s.secret, secret, secret_len );
|
||||
key->u.s.secret_len = secret_len;
|
||||
|
||||
key->alg_id = alg->id;
|
||||
key->u.s.mode = alg->mode;
|
||||
key->u.s.handle = 0; /* initialized on first use */
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len )
|
||||
{
|
||||
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 (!(key->u.a.pubkey = heap_alloc( pubkey_len ))) return STATUS_NO_MEMORY;
|
||||
memcpy( key->u.a.pubkey, pubkey, pubkey_len );
|
||||
key->u.a.pubkey_len = pubkey_len;
|
||||
key->alg_id = alg->id;
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue