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a9193a200f
wine/dlls/bcrypt/gnutls.c
Hans Leidekker a9193a200f bcrypt: Add support for setting DH parameters.
2024-01-18 18:08:53 +01:00

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/*
* Copyright 2009 Henri Verbeet for CodeWeavers
* Copyright 2018 Hans Leidekker 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
*
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#ifdef HAVE_GNUTLS_CIPHER_INIT
#include <stdarg.h>
#include <stdlib.h>
#include <assert.h>
#include <sys/types.h>
#include <dlfcn.h>
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
#include <gnutls/abstract.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "ntsecapi.h"
#include "wincrypt.h"
#include "bcrypt.h"
#include "bcrypt_internal.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
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
#define GNUTLS_CURVE_TO_BITS(curve) (unsigned int)(((unsigned int)1<<31)|((unsigned int)(curve)))
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
#if GNUTLS_VERSION_MAJOR < 3 || (GNUTLS_VERSION_MAJOR == 3 && GNUTLS_VERSION_MINOR < 6)
#define GNUTLS_CIPHER_AES_128_CFB8 29
#define GNUTLS_CIPHER_AES_192_CFB8 30
#define GNUTLS_CIPHER_AES_256_CFB8 31
#define GNUTLS_PK_RSA_PSS 6
#define GNUTLS_PRIVKEY_SIGN_FLAG_RSA_PSS (1 << 7)
typedef struct gnutls_x509_spki_st *gnutls_x509_spki_t;
#endif
union key_data
{
gnutls_cipher_hd_t cipher;
struct
{
gnutls_privkey_t privkey;
gnutls_pubkey_t pubkey;
gnutls_dh_params_t dh_params;
} a;
};
C_ASSERT( sizeof(union key_data) <= sizeof(((struct key *)0)->private) );
static union key_data *key_data( struct key *key )
{
return (union key_data *)key->private;
}
/* 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 gnutls_sign_algorithm_t (*pgnutls_pk_to_sign)(gnutls_pk_algorithm_t, gnutls_digest_algorithm_t);
static int (*pgnutls_pubkey_import_ecc_raw)(gnutls_pubkey_t, gnutls_ecc_curve_t,
const gnutls_datum_t *, const gnutls_datum_t *);
static int (*pgnutls_pubkey_export_ecc_raw)(gnutls_pubkey_t key, gnutls_ecc_curve_t *curve,
gnutls_datum_t *x, gnutls_datum_t *y);
static int (*pgnutls_privkey_import_ecc_raw)(gnutls_privkey_t, gnutls_ecc_curve_t, const gnutls_datum_t *,
const gnutls_datum_t *, const gnutls_datum_t *);
static int (*pgnutls_pubkey_verify_hash2)(gnutls_pubkey_t, gnutls_sign_algorithm_t, unsigned int,
const gnutls_datum_t *, const gnutls_datum_t *);
static int (*pgnutls_pubkey_encrypt_data)(gnutls_pubkey_t, unsigned int flags, const gnutls_datum_t *,
gnutls_datum_t *);
/* Not present in gnutls version < 2.11.0 */
static int (*pgnutls_pubkey_import_rsa_raw)(gnutls_pubkey_t, const gnutls_datum_t *, const gnutls_datum_t *);
/* Not present in gnutls version < 2.12.0 */
static int (*pgnutls_pubkey_import_dsa_raw)(gnutls_pubkey_t, const gnutls_datum_t *, const gnutls_datum_t *,
const gnutls_datum_t *, const gnutls_datum_t *);
static int (*pgnutls_pubkey_import_privkey)(gnutls_pubkey_t, gnutls_privkey_t, unsigned int, unsigned int);
static int (*pgnutls_privkey_decrypt_data)(gnutls_privkey_t, unsigned int flags, const gnutls_datum_t *,
gnutls_datum_t *);
/* Not present in gnutls version < 3.3.0 */
static int (*pgnutls_pubkey_export_dsa_raw)(gnutls_pubkey_t, gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *,
gnutls_datum_t *);
static int (*pgnutls_pubkey_export_rsa_raw)(gnutls_pubkey_t, gnutls_datum_t *, gnutls_datum_t *);
static int (*pgnutls_privkey_export_ecc_raw)(gnutls_privkey_t, gnutls_ecc_curve_t *,
gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *);
static int (*pgnutls_privkey_export_rsa_raw)(gnutls_privkey_t, gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *,
gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *,
gnutls_datum_t *);
static int (*pgnutls_privkey_export_dsa_raw)(gnutls_privkey_t, gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *,
gnutls_datum_t *, gnutls_datum_t *);
static int (*pgnutls_privkey_generate)(gnutls_privkey_t, gnutls_pk_algorithm_t, unsigned int, unsigned int);
static int (*pgnutls_privkey_import_rsa_raw)(gnutls_privkey_t, const gnutls_datum_t *, const gnutls_datum_t *,
const gnutls_datum_t *, const gnutls_datum_t *, const gnutls_datum_t *,
const gnutls_datum_t *, const gnutls_datum_t *, const gnutls_datum_t *);
/* Not present in gnutls version < 3.6.0 */
static int (*pgnutls_decode_rs_value)(const gnutls_datum_t *, gnutls_datum_t *, gnutls_datum_t *);
static int (*pgnutls_x509_spki_init)(gnutls_x509_spki_t *);
static void (*pgnutls_x509_spki_deinit)(gnutls_x509_spki_t);
static void (*pgnutls_x509_spki_set_rsa_pss_params)(gnutls_x509_spki_t, gnutls_digest_algorithm_t, unsigned int);
static int (*pgnutls_pubkey_set_spki)(gnutls_pubkey_t, const gnutls_x509_spki_t, unsigned int);
static int (*pgnutls_privkey_set_spki)(gnutls_privkey_t, const gnutls_x509_spki_t, unsigned int);
/* Not present in gnutls version < 3.8.2 */
static int (*pgnutls_privkey_derive_secret)(gnutls_privkey_t, gnutls_pubkey_t, const gnutls_datum_t *,
gnutls_datum_t *, unsigned int);
static int (*pgnutls_privkey_export_dh_raw)(gnutls_privkey_t, gnutls_dh_params_t, gnutls_datum_t *, gnutls_datum_t *,
unsigned int);
static int (*pgnutls_pubkey_export_dh_raw)(gnutls_pubkey_t, gnutls_dh_params_t, gnutls_datum_t *, unsigned);
static int (*pgnutls_privkey_import_dh_raw)(gnutls_privkey_t, const gnutls_dh_params_t, const gnutls_datum_t *,
const gnutls_datum_t *);
static int (*pgnutls_pubkey_import_dh_raw)(gnutls_pubkey_t, const gnutls_dh_params_t, const gnutls_datum_t *);
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_dh_params_deinit);
MAKE_FUNCPTR(gnutls_dh_params_export_raw);
MAKE_FUNCPTR(gnutls_dh_params_import_raw);
MAKE_FUNCPTR(gnutls_dh_params_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_privkey_decrypt_data);
MAKE_FUNCPTR(gnutls_privkey_deinit);
MAKE_FUNCPTR(gnutls_privkey_import_dsa_raw);
MAKE_FUNCPTR(gnutls_privkey_init);
MAKE_FUNCPTR(gnutls_privkey_sign_hash);
MAKE_FUNCPTR(gnutls_pubkey_deinit);
MAKE_FUNCPTR(gnutls_pubkey_encrypt_data);
MAKE_FUNCPTR(gnutls_pubkey_import_privkey);
MAKE_FUNCPTR(gnutls_pubkey_init);
#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_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_export_ecc_raw(gnutls_pubkey_t key, gnutls_ecc_curve_t *curve,
gnutls_datum_t *x, gnutls_datum_t *y)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_export_dsa_raw(gnutls_pubkey_t key, gnutls_datum_t *p, gnutls_datum_t *q,
gnutls_datum_t *g, gnutls_datum_t *y)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_export_rsa_raw(gnutls_pubkey_t key, gnutls_datum_t *m, gnutls_datum_t *e)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_export_rsa_raw(gnutls_privkey_t key, gnutls_datum_t *m, gnutls_datum_t *e,
gnutls_datum_t *d, gnutls_datum_t *p, gnutls_datum_t *q,
gnutls_datum_t *u, gnutls_datum_t *e1, gnutls_datum_t *e2)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_export_ecc_raw(gnutls_privkey_t key, gnutls_ecc_curve_t *curve,
gnutls_datum_t *x, gnutls_datum_t *y, gnutls_datum_t *k)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_import_ecc_raw(gnutls_privkey_t key, gnutls_ecc_curve_t curve,
const gnutls_datum_t *x, const gnutls_datum_t *y,
const gnutls_datum_t *k)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_export_dsa_raw(gnutls_privkey_t key, gnutls_datum_t *p, gnutls_datum_t *q,
gnutls_datum_t *g, gnutls_datum_t *y, gnutls_datum_t *x)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
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_PK_ALGORITHM;
}
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_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_import_dsa_raw(gnutls_pubkey_t key, const gnutls_datum_t *p, const gnutls_datum_t *q,
const gnutls_datum_t *g, const gnutls_datum_t *y)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_generate(gnutls_privkey_t key, gnutls_pk_algorithm_t algo, unsigned int bits,
unsigned int flags)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_decode_rs_value(const gnutls_datum_t * sig_value, gnutls_datum_t * r, gnutls_datum_t * s)
{
return GNUTLS_E_INTERNAL_ERROR;
}
static int compat_gnutls_privkey_import_rsa_raw(gnutls_privkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e,
const gnutls_datum_t *d, const gnutls_datum_t *p, const gnutls_datum_t *q,
const gnutls_datum_t *u, const gnutls_datum_t *e1, const gnutls_datum_t *e2)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_decrypt_data(gnutls_privkey_t key, unsigned int flags, const gnutls_datum_t *cipher_text,
gnutls_datum_t *plain_text)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_encrypt_data(gnutls_pubkey_t key, unsigned int flags, const gnutls_datum_t *cipher_text,
gnutls_datum_t *plain_text)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_x509_spki_init(gnutls_x509_spki_t *spki)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static void compat_gnutls_x509_spki_deinit(gnutls_x509_spki_t spki)
{
}
static void compat_gnutls_x509_spki_set_rsa_pss_params(gnutls_x509_spki_t spki, gnutls_digest_algorithm_t dig,
unsigned int salt_size)
{
}
static int compat_gnutls_pubkey_set_spki(gnutls_pubkey_t key, const gnutls_x509_spki_t spki, unsigned int flags)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_set_spki(gnutls_privkey_t key, const gnutls_x509_spki_t spki, unsigned int flags)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_derive_secret(gnutls_privkey_t privkey, gnutls_pubkey_t pubkey, const gnutls_datum_t *nonce,
gnutls_datum_t *secret, unsigned int flags)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_export_dh_raw(gnutls_privkey_t privkey, gnutls_dh_params_t params, gnutls_datum_t *y,
gnutls_datum_t *x, unsigned int flags )
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_export_dh_raw(gnutls_pubkey_t pubkey, gnutls_dh_params_t params, gnutls_datum_t *y,
unsigned flags)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_privkey_import_dh_raw(gnutls_privkey_t privkey, const gnutls_dh_params_t params,
const gnutls_datum_t *y, const gnutls_datum_t *x)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static int compat_gnutls_pubkey_import_dh_raw(gnutls_pubkey_t pubkey, const gnutls_dh_params_t params,
const gnutls_datum_t *y)
{
return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
}
static void gnutls_log( int level, const char *msg )
{
TRACE( "<%d> %s", level, msg );
}
static NTSTATUS gnutls_process_attach( void *args )
{
const char *env_str;
int ret;
if ((env_str = getenv("GNUTLS_SYSTEM_PRIORITY_FILE")))
{
WARN("GNUTLS_SYSTEM_PRIORITY_FILE is %s.\n", debugstr_a(env_str));
}
else
{
WARN("Setting GNUTLS_SYSTEM_PRIORITY_FILE to \"/dev/null\".\n");
setenv("GNUTLS_SYSTEM_PRIORITY_FILE", "/dev/null", 0);
}
if (!(libgnutls_handle = dlopen( SONAME_LIBGNUTLS, RTLD_NOW )))
{
ERR_(winediag)( "failed to load libgnutls, no support for encryption\n" );
return STATUS_DLL_NOT_FOUND;
}
#define LOAD_FUNCPTR(f) \
if (!(p##f = dlsym( libgnutls_handle, #f ))) \
{ \
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_dh_params_deinit)
LOAD_FUNCPTR(gnutls_dh_params_export_raw)
LOAD_FUNCPTR(gnutls_dh_params_import_raw)
LOAD_FUNCPTR(gnutls_dh_params_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_privkey_deinit);
LOAD_FUNCPTR(gnutls_privkey_import_dsa_raw);
LOAD_FUNCPTR(gnutls_privkey_init);
LOAD_FUNCPTR(gnutls_privkey_sign_hash);
LOAD_FUNCPTR(gnutls_pubkey_deinit);
LOAD_FUNCPTR(gnutls_pubkey_import_privkey);
LOAD_FUNCPTR(gnutls_pubkey_init);
#undef LOAD_FUNCPTR
#define LOAD_FUNCPTR_OPT(f) \
if (!(p##f = dlsym( libgnutls_handle, #f ))) \
{ \
WARN( "failed to load %s\n", #f ); \
p##f = compat_##f; \
}
LOAD_FUNCPTR_OPT(gnutls_cipher_tag)
LOAD_FUNCPTR_OPT(gnutls_cipher_add_auth)
LOAD_FUNCPTR_OPT(gnutls_decode_rs_value)
LOAD_FUNCPTR_OPT(gnutls_pk_to_sign)
LOAD_FUNCPTR_OPT(gnutls_privkey_decrypt_data)
LOAD_FUNCPTR_OPT(gnutls_privkey_derive_secret)
LOAD_FUNCPTR_OPT(gnutls_privkey_export_dh_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_export_dsa_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_export_ecc_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_export_rsa_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_generate)
LOAD_FUNCPTR_OPT(gnutls_privkey_import_dh_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_import_ecc_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_import_rsa_raw)
LOAD_FUNCPTR_OPT(gnutls_privkey_set_spki)
LOAD_FUNCPTR_OPT(gnutls_pubkey_encrypt_data)
LOAD_FUNCPTR_OPT(gnutls_pubkey_export_dh_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_export_dsa_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_export_ecc_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_export_rsa_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_import_dh_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_import_dsa_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_import_ecc_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_import_rsa_raw)
LOAD_FUNCPTR_OPT(gnutls_pubkey_set_spki)
LOAD_FUNCPTR_OPT(gnutls_pubkey_verify_hash2)
LOAD_FUNCPTR_OPT(gnutls_x509_spki_deinit)
LOAD_FUNCPTR_OPT(gnutls_x509_spki_init)
LOAD_FUNCPTR_OPT(gnutls_x509_spki_set_rsa_pss_params)
#undef LOAD_FUNCPTR_OPT
if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
{
pgnutls_perror( ret );
goto fail;
}
if (TRACE_ON( bcrypt ))
{
pgnutls_global_set_log_level( 4 );
pgnutls_global_set_log_function( gnutls_log );
}
return STATUS_SUCCESS;
fail:
dlclose( libgnutls_handle );
libgnutls_handle = NULL;
return STATUS_DLL_NOT_FOUND;
}
static NTSTATUS gnutls_process_detach( void *args )
{
if (libgnutls_handle)
{
pgnutls_global_deinit();
dlclose( libgnutls_handle );
libgnutls_handle = NULL;
}
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 )
{
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 = 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 gnutls_cipher_algorithm_t get_gnutls_cipher( const struct key *key )
{
switch (key->alg_id)
{
case ALG_ID_3DES:
WARN( "handle block size\n" );
switch (key->u.s.mode)
{
case CHAIN_MODE_CBC:
return GNUTLS_CIPHER_3DES_CBC;
default:
break;
}
FIXME( "3DES mode %u with key length %u not supported\n", key->u.s.mode, key->u.s.secret_len );
return GNUTLS_CIPHER_UNKNOWN;
case ALG_ID_AES:
WARN( "handle block size\n" );
switch (key->u.s.mode)
{
case CHAIN_MODE_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 CHAIN_MODE_ECB: /* can be emulated with CBC + empty IV */
case CHAIN_MODE_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;
case CHAIN_MODE_CFB:
if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_CFB8;
if (key->u.s.secret_len == 24) return GNUTLS_CIPHER_AES_192_CFB8;
if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_CFB8;
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_vector_reset( void *args )
{
struct key *key = args;
if (!key_data(key)->cipher) return STATUS_SUCCESS;
TRACE( "invalidating cipher handle\n" );
pgnutls_cipher_deinit( key_data(key)->cipher );
key_data(key)->cipher = NULL;
return STATUS_SUCCESS;
}
static NTSTATUS init_cipher_handle( struct key *key )
{
gnutls_cipher_algorithm_t cipher;
gnutls_datum_t secret, vector;
int ret;
if (key_data(key)->cipher) return STATUS_SUCCESS;
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;
vector.data = key->u.s.vector;
vector.size = key->u.s.vector_len;
if ((ret = pgnutls_cipher_init( &key_data(key)->cipher, cipher, &secret, key->u.s.vector ? &vector : NULL )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_set_auth_data( void *args )
{
const struct key_symmetric_set_auth_data_params *params = args;
NTSTATUS status;
int ret;
if (!params->auth_data) return STATUS_SUCCESS;
if ((status = init_cipher_handle( params->key ))) return status;
if ((ret = pgnutls_cipher_add_auth( key_data(params->key)->cipher, params->auth_data, params->len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_encrypt( void *args )
{
const struct key_symmetric_encrypt_params *params = args;
NTSTATUS status;
int ret;
if ((status = init_cipher_handle( params->key ))) return status;
if ((ret = pgnutls_cipher_encrypt2( key_data(params->key)->cipher, params->input, params->input_len,
params->output, params->output_len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_decrypt( void *args )
{
const struct key_symmetric_decrypt_params *params = args;
NTSTATUS status;
int ret;
if ((status = init_cipher_handle( params->key ))) return status;
if ((ret = pgnutls_cipher_decrypt2( key_data(params->key)->cipher, params->input, params->input_len,
params->output, params->output_len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_get_tag( void *args )
{
const struct key_symmetric_get_tag_params *params = args;
NTSTATUS status;
int ret;
if ((status = init_cipher_handle( params->key ))) return status;
if ((ret = pgnutls_cipher_tag( key_data(params->key)->cipher, params->tag, params->len )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_symmetric_destroy( void *args )
{
struct key *key = args;
if (key_data(key)->cipher) pgnutls_cipher_deinit( key_data(key)->cipher );
return STATUS_SUCCESS;
}
static ULONG export_gnutls_datum( UCHAR *buffer, ULONG buflen, gnutls_datum_t *d, BOOL zero_pad )
{
ULONG size = d->size;
UCHAR *src = d->data;
ULONG offset = 0;
assert( size <= buflen + 1 );
if (size == buflen + 1)
{
assert( !src[0] );
src++;
size--;
}
if (zero_pad)
{
offset = buflen - size;
if (buffer) memset( buffer, 0, offset );
size = buflen;
}
if (buffer) memcpy( buffer + offset, src, size - offset );
return size;
}
#define EXPORT_SIZE(d,l,p) export_gnutls_datum( NULL, l, &d, p )
static NTSTATUS key_export_rsa_public( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)buf;
gnutls_datum_t m, e;
ULONG size = key->u.a.bitlen / 8;
UCHAR *dst;
int ret;
if (key_data(key)->a.pubkey)
ret = pgnutls_pubkey_export_rsa_raw( key_data(key)->a.pubkey, &m, &e );
else
return STATUS_INVALID_PARAMETER;
if (ret)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
*ret_len = sizeof(*rsa_blob) + EXPORT_SIZE( e, size, 0 ) + EXPORT_SIZE( m, size, 1 );
if (len >= *ret_len && buf)
{
dst = (UCHAR *)(rsa_blob + 1);
rsa_blob->cbPublicExp = export_gnutls_datum( dst, size, &e, 0 );
dst += rsa_blob->cbPublicExp;
rsa_blob->cbModulus = export_gnutls_datum( dst, size, &m, 1 );
rsa_blob->Magic = BCRYPT_RSAPUBLIC_MAGIC;
rsa_blob->BitLength = key->u.a.bitlen;
rsa_blob->cbPrime1 = 0;
rsa_blob->cbPrime2 = 0;
}
free( e.data ); free( m.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_export_ecc_public( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)buf;
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y;
DWORD magic, size;
UCHAR *dst;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC;
size = 32;
break;
case ALG_ID_ECDH_P384:
magic = BCRYPT_ECDH_PUBLIC_P384_MAGIC;
size = 48;
break;
case ALG_ID_ECDSA_P256:
magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
size = 32;
break;
case ALG_ID_ECDSA_P384:
magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
size = 48;
break;
default:
FIXME( "algorithm %u not supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
if (key_data(key)->a.pubkey)
ret = pgnutls_pubkey_export_ecc_raw( key_data(key)->a.pubkey, &curve, &x, &y );
else
return STATUS_INVALID_PARAMETER;
if (ret)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (curve != GNUTLS_ECC_CURVE_SECP256R1 && curve != GNUTLS_ECC_CURVE_SECP384R1)
{
FIXME( "curve %u not supported\n", curve );
free( x.data ); free( y.data );
return STATUS_NOT_IMPLEMENTED;
}
*ret_len = sizeof(*ecc_blob) + EXPORT_SIZE( x, size, 1 ) + EXPORT_SIZE( y, size, 1 );
if (len >= *ret_len && buf)
{
ecc_blob->dwMagic = magic;
ecc_blob->cbKey = size;
dst = (UCHAR *)(ecc_blob + 1);
dst += export_gnutls_datum( dst, size, &x, 1 );
export_gnutls_datum( dst, size, &y, 1 );
}
free( x.data ); free( y.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_export_dsa_public( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_DSA_KEY_BLOB *dsa_blob = (BCRYPT_DSA_KEY_BLOB *)buf;
gnutls_datum_t p, q, g, y;
ULONG size = key->u.a.bitlen / 8;
NTSTATUS status = STATUS_SUCCESS;
UCHAR *dst;
int ret;
if (key->u.a.bitlen > 1024)
{
FIXME( "bitlen > 1024 not supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (key_data(key)->a.pubkey)
ret = pgnutls_pubkey_export_dsa_raw( key_data(key)->a.pubkey, &p, &q, &g, &y );
else
return STATUS_INVALID_PARAMETER;
if (ret)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (EXPORT_SIZE( q, sizeof(dsa_blob->q), 1 ) > sizeof(dsa_blob->q))
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
*ret_len = sizeof(*dsa_blob) + EXPORT_SIZE( p, size, 1 ) + EXPORT_SIZE( g, size, 1 ) + EXPORT_SIZE( y, size, 1 );
if (len >= *ret_len && buf)
{
dst = (UCHAR *)(dsa_blob + 1);
dst += export_gnutls_datum( dst, size, &p, 1 );
dst += export_gnutls_datum( dst, size, &g, 1 );
export_gnutls_datum( dst, size, &y, 1 );
dst = dsa_blob->q;
export_gnutls_datum( dst, sizeof(dsa_blob->q), &q, 1 );
dsa_blob->dwMagic = BCRYPT_DSA_PUBLIC_MAGIC;
dsa_blob->cbKey = size;
memset( dsa_blob->Count, 0, sizeof(dsa_blob->Count) ); /* FIXME */
memset( dsa_blob->Seed, 0, sizeof(dsa_blob->Seed) ); /* FIXME */
}
done:
free( p.data ); free( q.data ); free( g.data ); free( y.data );
return status;
}
static void reverse_bytes( UCHAR *buf, ULONG len )
{
unsigned int i;
UCHAR tmp;
for (i = 0; i < len / 2; ++i)
{
tmp = buf[i];
buf[i] = buf[len - i - 1];
buf[len - i - 1] = tmp;
}
}
#define Q_SIZE 20
static NTSTATUS key_export_dsa_capi_public( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BLOBHEADER *hdr = (BLOBHEADER *)buf;
DSSPUBKEY *dsskey;
gnutls_datum_t p, q, g, y;
ULONG size = key->u.a.bitlen / 8;
NTSTATUS status = STATUS_SUCCESS;
UCHAR *dst;
int ret;
if (key->u.a.bitlen > 1024)
{
FIXME( "bitlen > 1024 not supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (key_data(key)->a.pubkey)
ret = pgnutls_pubkey_export_dsa_raw( key_data(key)->a.pubkey, &p, &q, &g, &y );
else if (key_data(key)->a.privkey)
ret = pgnutls_privkey_export_dsa_raw( key_data(key)->a.privkey, &p, &q, &g, &y, NULL );
else
return STATUS_INVALID_PARAMETER;
if (ret)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (EXPORT_SIZE( q, Q_SIZE, 1 ) > Q_SIZE)
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
*ret_len = sizeof(*hdr) + sizeof(*dsskey) + sizeof(key->u.a.dss_seed) +
EXPORT_SIZE( p, size, 1 ) + Q_SIZE + EXPORT_SIZE( g, size, 1 ) + EXPORT_SIZE( y, size, 1 );
if (len >= *ret_len && buf)
{
hdr->bType = PUBLICKEYBLOB;
hdr->bVersion = 2;
hdr->reserved = 0;
hdr->aiKeyAlg = CALG_DSS_SIGN;
dsskey = (DSSPUBKEY *)(hdr + 1);
dsskey->magic = MAGIC_DSS1;
dsskey->bitlen = key->u.a.bitlen;
dst = (UCHAR *)(dsskey + 1);
export_gnutls_datum( dst, size, &p, 1 );
reverse_bytes( dst, size );
dst += size;
export_gnutls_datum( dst, Q_SIZE, &q, 1 );
reverse_bytes( dst, Q_SIZE );
dst += Q_SIZE;
export_gnutls_datum( dst, size, &g, 1 );
reverse_bytes( dst, size );
dst += size;
export_gnutls_datum( dst, size, &y, 1 );
reverse_bytes( dst, size );
dst += size;
memcpy( dst, &key->u.a.dss_seed, sizeof(key->u.a.dss_seed) );
}
done:
free( p.data ); free( q.data ); free( g.data ); free( y.data );
return status;
}
static NTSTATUS key_asymmetric_generate( void *args )
{
struct key *key = args;
gnutls_pk_algorithm_t pk_alg;
gnutls_privkey_t privkey;
gnutls_pubkey_t pubkey;
unsigned int bitlen;
int ret;
if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
if (key_data(key)->a.privkey) return STATUS_INVALID_HANDLE;
switch (key->alg_id)
{
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
pk_alg = GNUTLS_PK_RSA;
bitlen = key->u.a.bitlen;
break;
case ALG_ID_DH:
pk_alg = GNUTLS_PK_DH;
bitlen = key->u.a.bitlen;
break;
case ALG_ID_DSA:
pk_alg = GNUTLS_PK_DSA;
bitlen = key->u.a.bitlen;
break;
case ALG_ID_ECDH_P256:
case ALG_ID_ECDSA_P256:
pk_alg = GNUTLS_PK_ECC; /* compatible with ECDSA and ECDH */
bitlen = GNUTLS_CURVE_TO_BITS( GNUTLS_ECC_CURVE_SECP256R1 );
break;
case ALG_ID_ECDH_P384:
case ALG_ID_ECDSA_P384:
pk_alg = GNUTLS_PK_ECC; /* compatible with ECDSA and ECDH */
bitlen = GNUTLS_CURVE_TO_BITS( GNUTLS_ECC_CURVE_SECP384R1 );
break;
default:
FIXME( "algorithm %u not supported\n", key->alg_id );
return STATUS_NOT_SUPPORTED;
}
if ((ret = pgnutls_privkey_init( &privkey )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_pubkey_init( &pubkey )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( privkey );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_privkey_generate( privkey, pk_alg, bitlen, 0 )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( privkey );
pgnutls_pubkey_deinit( pubkey );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_pubkey_import_privkey( pubkey, privkey, 0, 0 )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( privkey );
pgnutls_pubkey_deinit( pubkey );
return STATUS_INTERNAL_ERROR;
}
key_data(key)->a.privkey = privkey;
key_data(key)->a.pubkey = pubkey;
return STATUS_SUCCESS;
}
static NTSTATUS key_export_ecc( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_ECCKEY_BLOB *ecc_blob;
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y, d;
DWORD magic, size;
UCHAR *dst;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
magic = BCRYPT_ECDH_PRIVATE_P256_MAGIC;
size = 32;
break;
case ALG_ID_ECDH_P384:
magic = BCRYPT_ECDH_PRIVATE_P384_MAGIC;
size = 48;
break;
case ALG_ID_ECDSA_P256:
magic = BCRYPT_ECDSA_PRIVATE_P256_MAGIC;
size = 32;
break;
case ALG_ID_ECDSA_P384:
magic = BCRYPT_ECDSA_PRIVATE_P384_MAGIC;
size = 48;
break;
default:
FIXME( "algorithm %u does not yet support exporting ecc blob\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
if (!key_data(key)->a.privkey) return STATUS_INVALID_PARAMETER;
if ((ret = pgnutls_privkey_export_ecc_raw( key_data(key)->a.privkey, &curve, &x, &y, &d )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (curve != GNUTLS_ECC_CURVE_SECP256R1 && curve != GNUTLS_ECC_CURVE_SECP384R1)
{
FIXME( "curve %u not supported\n", curve );
free( x.data ); free( y.data ); free( d.data );
return STATUS_NOT_IMPLEMENTED;
}
*ret_len = sizeof(*ecc_blob) + EXPORT_SIZE( x, size, 1 ) + EXPORT_SIZE( y, size, 1 ) + EXPORT_SIZE( d, size, 1 );
if (len >= *ret_len && buf)
{
ecc_blob = (BCRYPT_ECCKEY_BLOB *)buf;
ecc_blob->dwMagic = magic;
ecc_blob->cbKey = size;
dst = (UCHAR *)(ecc_blob + 1);
dst += export_gnutls_datum( dst, size, &x, 1 );
dst += export_gnutls_datum( dst, size, &y, 1 );
export_gnutls_datum( dst, size, &d, 1 );
}
free( x.data ); free( y.data ); free( d.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_import_ecc( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_ECCKEY_BLOB *ecc_blob;
gnutls_ecc_curve_t curve;
gnutls_privkey_t handle;
gnutls_datum_t x, y, k;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
case ALG_ID_ECDSA_P256:
curve = GNUTLS_ECC_CURVE_SECP256R1;
break;
case ALG_ID_ECDH_P384:
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_privkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
ecc_blob = (BCRYPT_ECCKEY_BLOB *)buf;
x.data = (unsigned char *)(ecc_blob + 1);
x.size = ecc_blob->cbKey;
y.data = x.data + ecc_blob->cbKey;
y.size = ecc_blob->cbKey;
k.data = y.data + ecc_blob->cbKey;
k.size = ecc_blob->cbKey;
if ((ret = pgnutls_privkey_import_ecc_raw( handle, curve, &x, &y, &k )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.privkey) pgnutls_privkey_deinit( key_data(key)->a.privkey );
key_data(key)->a.privkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_export_rsa( struct key *key, ULONG flags, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_RSAKEY_BLOB *rsa_blob;
gnutls_datum_t m, e, d, p, q, u, e1, e2;
ULONG size = key->u.a.bitlen / 8;
BOOL full = (flags & KEY_EXPORT_FLAG_RSA_FULL);
UCHAR *dst;
int ret;
if (!key_data(key)->a.privkey) return STATUS_INVALID_PARAMETER;
if ((ret = pgnutls_privkey_export_rsa_raw( key_data(key)->a.privkey, &m, &e, &d, &p, &q, &u, &e1, &e2 )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
*ret_len = sizeof(*rsa_blob) + EXPORT_SIZE( e, size, 0 ) + EXPORT_SIZE( m, size, 1 ) +
EXPORT_SIZE( p, size / 2, 1 ) + EXPORT_SIZE( q, size / 2, 1 );
if (full) *ret_len += EXPORT_SIZE( e1, size / 2, 1 ) + EXPORT_SIZE( e2, size / 2, 1 ) +
EXPORT_SIZE( u, size / 2, 1 ) + EXPORT_SIZE( d, size, 1 );
if (len >= *ret_len && buf)
{
rsa_blob = (BCRYPT_RSAKEY_BLOB *)buf;
rsa_blob->Magic = full ? BCRYPT_RSAFULLPRIVATE_MAGIC : BCRYPT_RSAPRIVATE_MAGIC;
rsa_blob->BitLength = key->u.a.bitlen;
dst = (UCHAR *)(rsa_blob + 1);
rsa_blob->cbPublicExp = export_gnutls_datum( dst, size, &e, 0 );
dst += rsa_blob->cbPublicExp;
rsa_blob->cbModulus = export_gnutls_datum( dst, size, &m, 1 );
dst += rsa_blob->cbModulus;
rsa_blob->cbPrime1 = export_gnutls_datum( dst, size / 2, &p, 1 );
dst += rsa_blob->cbPrime1;
rsa_blob->cbPrime2 = export_gnutls_datum( dst, size / 2, &q, 1 );
if (full)
{
dst += rsa_blob->cbPrime2;
export_gnutls_datum( dst, size / 2, &e1, 1 );
dst += rsa_blob->cbPrime1;
export_gnutls_datum( dst, size / 2, &e2, 1 );
dst += rsa_blob->cbPrime2;
export_gnutls_datum( dst, size / 2, &u, 1 );
dst += rsa_blob->cbPrime1;
export_gnutls_datum( dst, size, &d, 1 );
}
}
free( m.data ); free( e.data ); free( d.data ); free( p.data ); free( q.data ); free( u.data );
free( e1.data ); free( e2.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_import_rsa( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)buf;
gnutls_datum_t m, e, p, q;
gnutls_privkey_t handle;
int ret;
if ((ret = pgnutls_privkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
e.data = (unsigned char *)(rsa_blob + 1);
e.size = rsa_blob->cbPublicExp;
m.data = e.data + e.size;
m.size = rsa_blob->cbModulus;
p.data = m.data + m.size;
p.size = rsa_blob->cbPrime1;
q.data = p.data + p.size;
q.size = rsa_blob->cbPrime2;
if ((ret = pgnutls_privkey_import_rsa_raw( handle, &m, &e, NULL, &p, &q, NULL, NULL, NULL )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.privkey) pgnutls_privkey_deinit( key_data(key)->a.privkey );
key_data(key)->a.privkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_export_dsa_capi( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BLOBHEADER *hdr;
DSSPUBKEY *pubkey;
gnutls_datum_t p, q, g, y, x;
ULONG size = key->u.a.bitlen / 8;
UCHAR *dst;
int ret;
if (!key_data(key)->a.privkey) return STATUS_INVALID_PARAMETER;
if ((ret = pgnutls_privkey_export_dsa_raw( key_data(key)->a.privkey, &p, &q, &g, &y, &x )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (q.size > 21 || x.size > 21)
{
ERR( "can't export key in this format\n" );
free( p.data ); free( q.data ); free( g.data ); free( y.data ); free( x.data );
return STATUS_NOT_SUPPORTED;
}
*ret_len = sizeof(*hdr) + sizeof(*pubkey) + sizeof(key->u.a.dss_seed) +
EXPORT_SIZE( p, size, 1 ) + 20 + EXPORT_SIZE( g, size, 1 ) + 20;
if (len >= *ret_len && buf)
{
hdr = (BLOBHEADER *)buf;
hdr->bType = PRIVATEKEYBLOB;
hdr->bVersion = 2;
hdr->reserved = 0;
hdr->aiKeyAlg = CALG_DSS_SIGN;
pubkey = (DSSPUBKEY *)(hdr + 1);
pubkey->magic = MAGIC_DSS2;
pubkey->bitlen = key->u.a.bitlen;
dst = (UCHAR *)(pubkey + 1);
export_gnutls_datum( dst, size, &p, 1 );
reverse_bytes( dst, size );
dst += size;
export_gnutls_datum( dst, 20, &q, 1 );
reverse_bytes( dst, 20 );
dst += 20;
export_gnutls_datum( dst, size, &g, 1 );
reverse_bytes( dst, size );
dst += size;
export_gnutls_datum( dst, 20, &x, 1 );
reverse_bytes( dst, 20 );
dst += 20;
memcpy( dst, &key->u.a.dss_seed, sizeof(key->u.a.dss_seed) );
}
free( p.data ); free( q.data ); free( g.data ); free( y.data ); free( x.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_import_dsa_capi( struct key *key, UCHAR *buf, ULONG len )
{
BLOBHEADER *hdr = (BLOBHEADER *)buf;
DSSPUBKEY *pubkey;
gnutls_privkey_t handle;
gnutls_datum_t p, q, g, x;
unsigned char *data, p_data[128], q_data[20], g_data[128], x_data[20];
int i, ret, size;
if ((ret = pgnutls_privkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
pubkey = (DSSPUBKEY *)(hdr + 1);
if ((size = pubkey->bitlen / 8) > sizeof(p_data))
{
FIXME( "size %u not supported\n", size );
pgnutls_privkey_deinit( handle );
return STATUS_NOT_SUPPORTED;
}
data = (unsigned char *)(pubkey + 1);
p.data = p_data;
p.size = size;
for (i = 0; i < p.size; i++) p.data[i] = data[p.size - i - 1];
data += p.size;
q.data = q_data;
q.size = sizeof(q_data);
for (i = 0; i < q.size; i++) q.data[i] = data[q.size - i - 1];
data += q.size;
g.data = g_data;
g.size = size;
for (i = 0; i < g.size; i++) g.data[i] = data[g.size - i - 1];
data += g.size;
x.data = x_data;
x.size = sizeof(x_data);
for (i = 0; i < x.size; i++) x.data[i] = data[x.size - i - 1];
data += x.size;
if ((ret = pgnutls_privkey_import_dsa_raw( handle, &p, &q, &g, NULL, &x )))
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
memcpy( &key->u.a.dss_seed, data, sizeof(key->u.a.dss_seed) );
if (key_data(key)->a.privkey) pgnutls_privkey_deinit( key_data(key)->a.privkey );
key_data(key)->a.privkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_ecc_public( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_ECCKEY_BLOB *ecc_blob;
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y;
gnutls_pubkey_t handle;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
case ALG_ID_ECDSA_P256:
curve = GNUTLS_ECC_CURVE_SECP256R1; break;
case ALG_ID_ECDH_P384:
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( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
ecc_blob = (BCRYPT_ECCKEY_BLOB *)buf;
x.data = buf + sizeof(*ecc_blob);
x.size = ecc_blob->cbKey;
y.data = buf + sizeof(*ecc_blob) + ecc_blob->cbKey;
y.size = ecc_blob->cbKey;
if ((ret = pgnutls_pubkey_import_ecc_raw( handle, curve, &x, &y )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_rsa_public( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_RSAKEY_BLOB *rsa_blob;
gnutls_pubkey_t handle;
gnutls_datum_t m, e;
int ret;
if ((ret = pgnutls_pubkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
rsa_blob = (BCRYPT_RSAKEY_BLOB *)buf;
e.data = buf + sizeof(*rsa_blob);
e.size = rsa_blob->cbPublicExp;
m.data = buf + sizeof(*rsa_blob) + rsa_blob->cbPublicExp;
m.size = rsa_blob->cbModulus;
if ((ret = pgnutls_pubkey_import_rsa_raw( handle, &m, &e )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_dsa_public( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_DSA_KEY_BLOB *dsa_blob;
gnutls_datum_t p, q, g, y;
gnutls_pubkey_t handle;
int ret;
if ((ret = pgnutls_pubkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
dsa_blob = (BCRYPT_DSA_KEY_BLOB *)buf;
p.data = buf + sizeof(*dsa_blob);
p.size = dsa_blob->cbKey;
q.data = dsa_blob->q;
q.size = sizeof(dsa_blob->q);
g.data = buf + sizeof(*dsa_blob) + dsa_blob->cbKey;
g.size = dsa_blob->cbKey;
y.data = buf + sizeof(*dsa_blob) + dsa_blob->cbKey * 2;
y.size = dsa_blob->cbKey;
if ((ret = pgnutls_pubkey_import_dsa_raw( handle, &p, &q, &g, &y )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_dsa_capi_public( struct key *key, UCHAR *buf, ULONG len )
{
BLOBHEADER *hdr;
DSSPUBKEY *pubkey;
gnutls_datum_t p, q, g, y;
gnutls_pubkey_t handle;
unsigned char *data, p_data[128], q_data[20], g_data[128], y_data[128];
int i, ret, size;
if ((ret = pgnutls_pubkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
hdr = (BLOBHEADER *)buf;
pubkey = (DSSPUBKEY *)(hdr + 1);
size = pubkey->bitlen / 8;
data = (unsigned char *)(pubkey + 1);
p.data = p_data;
p.size = size;
for (i = 0; i < p.size; i++) p.data[i] = data[p.size - i - 1];
data += p.size;
q.data = q_data;
q.size = sizeof(q_data);
for (i = 0; i < q.size; i++) q.data[i] = data[q.size - i - 1];
data += q.size;
g.data = g_data;
g.size = size;
for (i = 0; i < g.size; i++) g.data[i] = data[g.size - i - 1];
data += g.size;
y.data = y_data;
y.size = sizeof(y_data);
for (i = 0; i < y.size; i++) y.data[i] = data[y.size - i - 1];
if ((ret = pgnutls_pubkey_import_dsa_raw( handle, &p, &q, &g, &y )))
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_export_dh_public( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_DH_KEY_BLOB *dh_blob = (BCRYPT_DH_KEY_BLOB *)buf;
ULONG size = key->u.a.bitlen / 8;
gnutls_dh_params_t params;
gnutls_datum_t p, g, y, x = {0};
UCHAR *dst;
int ret = GNUTLS_E_INVALID_REQUEST;
if ((ret = pgnutls_dh_params_init( &params )) < 0)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey)
ret = pgnutls_pubkey_export_dh_raw( key_data(key)->a.pubkey, params, &y, 0 );
else if (key_data(key)->a.privkey)
ret = pgnutls_privkey_export_dh_raw( key_data(key)->a.privkey, params, &y, &x, 0 );
if (ret)
{
pgnutls_perror( ret );
pgnutls_dh_params_deinit( params );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_dh_params_export_raw( params, &p, &g, NULL )) < 0)
{
pgnutls_perror( ret );
free( y.data ); free( x.data );
pgnutls_dh_params_deinit( params );
return STATUS_INTERNAL_ERROR;
}
*ret_len = sizeof(*dh_blob) + EXPORT_SIZE(p, size, 1) + EXPORT_SIZE(g, size, 1) + EXPORT_SIZE(y, size, 1);
if (len >= *ret_len && buf)
{
dst = (UCHAR *)(dh_blob + 1);
dst += export_gnutls_datum( dst, size, &p, 1 );
dst += export_gnutls_datum( dst, size, &g, 1 );
dst += export_gnutls_datum( dst, size, &y, 1 );
dh_blob->dwMagic = BCRYPT_DH_PUBLIC_MAGIC;
dh_blob->cbKey = size;
}
free( p.data ); free( g.data ); free( y.data ); free( x.data );
return STATUS_SUCCESS;
}
static NTSTATUS key_export_dh( struct key *key, UCHAR *buf, ULONG len, ULONG *ret_len )
{
BCRYPT_DH_KEY_BLOB *dh_blob = (BCRYPT_DH_KEY_BLOB *)buf;
gnutls_datum_t p, g, y, x;
gnutls_dh_params_t params;
ULONG size = key->u.a.bitlen / 8;
UCHAR *dst;
int ret;
if (!key_data(key)->a.privkey) return STATUS_INVALID_PARAMETER;
if ((ret = pgnutls_dh_params_init( &params )) < 0)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
ret = pgnutls_privkey_export_dh_raw( key_data(key)->a.privkey, params, &y, &x, 0 );
if (ret)
{
pgnutls_perror( ret );
pgnutls_dh_params_deinit( params );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_dh_params_export_raw( params, &p, &g, NULL )) < 0)
{
pgnutls_perror( ret );
free( y.data ); free( x.data );
pgnutls_dh_params_deinit( params );
return STATUS_INTERNAL_ERROR;
}
*ret_len = sizeof(*dh_blob) + EXPORT_SIZE(p, size, 1) + EXPORT_SIZE(g, size, 1) +
EXPORT_SIZE(y, size, 1) + EXPORT_SIZE(x, size, 1);
if (len >= *ret_len && buf)
{
dst = (UCHAR *)(dh_blob + 1);
dst += export_gnutls_datum( dst, size, &p, 1 );
dst += export_gnutls_datum( dst, size, &g, 1 );
dst += export_gnutls_datum( dst, size, &y, 1 );
dst += export_gnutls_datum( dst, size, &x, 1 );
dh_blob->dwMagic = BCRYPT_DH_PRIVATE_MAGIC;
dh_blob->cbKey = size;
}
free( p.data ); free( g.data ); free( y.data ); free( x.data );
pgnutls_dh_params_deinit( params );
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_export( void *args )
{
const struct key_asymmetric_export_params *params = args;
struct key *key = params->key;
unsigned flags = params->flags;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
case ALG_ID_ECDH_P384:
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
if (flags & KEY_EXPORT_FLAG_PUBLIC)
return key_export_ecc_public( key, params->buf, params->len, params->ret_len );
return key_export_ecc( key, params->buf, params->len, params->ret_len );
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
if (flags & KEY_EXPORT_FLAG_PUBLIC)
return key_export_rsa_public( key, params->buf, params->len, params->ret_len );
return key_export_rsa( key, flags, params->buf, params->len, params->ret_len );
case ALG_ID_DSA:
if (flags & KEY_EXPORT_FLAG_PUBLIC)
{
if (key->u.a.flags & KEY_FLAG_LEGACY_DSA_V2)
return key_export_dsa_capi_public( key, params->buf, params->len, params->ret_len );
return key_export_dsa_public( key, params->buf, params->len, params->ret_len );
}
if (key->u.a.flags & KEY_FLAG_LEGACY_DSA_V2)
return key_export_dsa_capi( key, params->buf, params->len, params->ret_len );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_DH:
if (flags & KEY_EXPORT_FLAG_PUBLIC)
return key_export_dh_public( key, params->buf, params->len, params->ret_len );
return key_export_dh( key, params->buf, params->len, params->ret_len );
default:
FIXME( "algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
}
static NTSTATUS key_import_dh_public( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_DH_KEY_BLOB *dh_blob;
gnutls_dh_params_t params;
gnutls_datum_t p, g, y;
gnutls_pubkey_t handle;
int ret;
if ((ret = pgnutls_pubkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_dh_params_init( &params )) < 0)
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
dh_blob = (BCRYPT_DH_KEY_BLOB *)buf;
p.data = buf + sizeof(*dh_blob);
p.size = dh_blob->cbKey;
g.data = buf + sizeof(*dh_blob) + dh_blob->cbKey;
g.size = dh_blob->cbKey;
y.data = buf + sizeof(*dh_blob) + dh_blob->cbKey * 2;
y.size = dh_blob->cbKey;
if ((ret = pgnutls_dh_params_import_raw( params, &p, &g )) < 0)
{
pgnutls_perror( ret );
pgnutls_dh_params_deinit( params );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
ret = pgnutls_pubkey_import_dh_raw( handle, params, &y );
pgnutls_dh_params_deinit( params );
if (ret < 0)
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_dh( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_DH_KEY_BLOB *dh_blob;
gnutls_dh_params_t params;
gnutls_datum_t p, g, y, x;
gnutls_privkey_t handle;
int ret;
if ((ret = pgnutls_privkey_init( &handle )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if ((ret = pgnutls_dh_params_init( &params )) < 0)
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
dh_blob = (BCRYPT_DH_KEY_BLOB *)buf;
p.data = buf + sizeof(*dh_blob);
p.size = dh_blob->cbKey;
g.data = buf + sizeof(*dh_blob) + dh_blob->cbKey;
g.size = dh_blob->cbKey;
y.data = buf + sizeof(*dh_blob) + dh_blob->cbKey * 2;
y.size = dh_blob->cbKey;
x.data = buf + sizeof(*dh_blob) + dh_blob->cbKey * 3;
x.size = dh_blob->cbKey;
if ((ret = pgnutls_dh_params_import_raw( params, &p, &g )) < 0)
{
pgnutls_perror( ret );
pgnutls_dh_params_deinit( params );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
ret = pgnutls_privkey_import_dh_raw( handle, params, &y, &x );
pgnutls_dh_params_deinit( params );
if (ret < 0)
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( handle );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.privkey) pgnutls_privkey_deinit( key_data(key)->a.privkey );
key_data(key)->a.privkey = handle;
return STATUS_SUCCESS;
}
static NTSTATUS key_import_dh_params( struct key *key, UCHAR *buf, ULONG len )
{
BCRYPT_DH_PARAMETER_HEADER *dh_header = (BCRYPT_DH_PARAMETER_HEADER *)buf;
gnutls_dh_params_t params;
gnutls_datum_t p, g;
int ret;
if ((ret = pgnutls_dh_params_init( &params )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
p.data = (unsigned char *)(dh_header + 1);
p.size = dh_header->cbKeyLength;
g.data = p.data + dh_header->cbKeyLength;
g.size = dh_header->cbKeyLength;
if ((ret = pgnutls_dh_params_import_raw( params, &p, &g )))
{
pgnutls_perror( ret );
pgnutls_dh_params_deinit( params );
return STATUS_INTERNAL_ERROR;
}
if (key_data(key)->a.dh_params) pgnutls_dh_params_deinit( key_data(key)->a.dh_params );
key_data(key)->a.dh_params = params;
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_import( void *args )
{
const struct key_asymmetric_import_params *params = args;
struct key *key = params->key;
unsigned flags = params->flags;
gnutls_pubkey_t pubkey;
NTSTATUS ret;
switch (key->alg_id)
{
case ALG_ID_ECDH_P256:
case ALG_ID_ECDH_P384:
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
if (flags & KEY_IMPORT_FLAG_PUBLIC)
return key_import_ecc_public( key, params->buf, params->len );
ret = key_import_ecc( key, params->buf, params->len );
break;
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
if (flags & KEY_IMPORT_FLAG_PUBLIC)
return key_import_rsa_public( key, params->buf, params->len );
ret = key_import_rsa( key, params->buf, params->len );
break;
case ALG_ID_DSA:
if (flags & KEY_IMPORT_FLAG_PUBLIC)
{
if (key->u.a.flags & KEY_FLAG_LEGACY_DSA_V2)
return key_import_dsa_capi_public( key, params->buf, params->len );
return key_import_dsa_public( key, params->buf, params->len );
}
if (key->u.a.flags & KEY_FLAG_LEGACY_DSA_V2)
{
ret = key_import_dsa_capi( key, params->buf, params->len );
break;
}
FIXME( "DSA private key not supported\n" );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_DH:
if (flags & KEY_IMPORT_FLAG_DH_PARAMETERS)
return key_import_dh_params( key, params->buf, params->len );
if (flags & KEY_IMPORT_FLAG_PUBLIC)
return key_import_dh_public( key, params->buf, params->len );
ret = key_import_dh( key, params->buf, params->len );
break;
default:
FIXME( "algorithm %u not yet supported\n", key->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
if (ret) return ret;
if ((ret = pgnutls_pubkey_init( &pubkey )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (pgnutls_pubkey_import_privkey( pubkey, key_data(params->key)->a.privkey, 0, 0 ))
{
/* Imported private key may be legitimately missing public key, so ignore the failure here. */
pgnutls_pubkey_deinit( pubkey );
}
else
{
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
key_data(key)->a.pubkey = pubkey;
}
return STATUS_SUCCESS;
}
static NTSTATUS prepare_gnutls_signature_dsa( 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:
case ALG_ID_DSA:
return prepare_gnutls_signature_dsa( key, signature, signature_len, gnutls_signature );
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
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 gnutls_digest_algorithm_t get_digest_from_id( const WCHAR *alg_id )
{
if (!wcscmp( alg_id, BCRYPT_SHA1_ALGORITHM )) return GNUTLS_DIG_SHA1;
if (!wcscmp( alg_id, BCRYPT_SHA256_ALGORITHM )) return GNUTLS_DIG_SHA256;
if (!wcscmp( alg_id, BCRYPT_SHA384_ALGORITHM )) return GNUTLS_DIG_SHA384;
if (!wcscmp( alg_id, BCRYPT_SHA512_ALGORITHM )) return GNUTLS_DIG_SHA512;
if (!wcscmp( alg_id, BCRYPT_MD2_ALGORITHM )) return GNUTLS_DIG_MD2;
if (!wcscmp( alg_id, BCRYPT_MD5_ALGORITHM )) return GNUTLS_DIG_MD5;
return GNUTLS_DIG_UNKNOWN;
}
static NTSTATUS pubkey_set_rsa_pss_params( gnutls_pubkey_t key, gnutls_digest_algorithm_t dig, unsigned int salt_size )
{
gnutls_x509_spki_t spki;
int ret;
if (((ret = pgnutls_x509_spki_init( &spki ) < 0)))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
pgnutls_x509_spki_set_rsa_pss_params( spki, dig, salt_size );
ret = pgnutls_pubkey_set_spki( key, spki, 0 );
pgnutls_x509_spki_deinit( spki );
if (ret < 0)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_verify( void *args )
{
#ifdef GNUTLS_VERIFY_ALLOW_BROKEN
static const unsigned int verify_flags = GNUTLS_VERIFY_ALLOW_BROKEN;
#else
static const unsigned int verify_flags = 0;
#endif
const struct key_asymmetric_verify_params *params = args;
struct key *key = params->key;
unsigned flags = params->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;
NTSTATUS status;
int ret;
switch (key->alg_id)
{
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
{
if (flags) FIXME( "flags %#x not supported\n", flags );
/* only the hash size must match, not the actual hash function */
switch (params->hash_len)
{
case 20: hash_alg = GNUTLS_DIG_SHA1; break;
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", params->hash_len );
return STATUS_INVALID_SIGNATURE;
}
pk_alg = GNUTLS_PK_ECC;
break;
}
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
{
if (flags & BCRYPT_PAD_PKCS1)
{
BCRYPT_PKCS1_PADDING_INFO *info = params->padding;
if (!info) return STATUS_INVALID_PARAMETER;
if (!info->pszAlgId) return STATUS_INVALID_SIGNATURE;
if ((hash_alg = get_digest_from_id(info->pszAlgId)) == GNUTLS_DIG_UNKNOWN)
{
FIXME( "hash algorithm %s not supported\n", debugstr_w(info->pszAlgId) );
return STATUS_NOT_SUPPORTED;
}
pk_alg = GNUTLS_PK_RSA;
}
else if (flags & BCRYPT_PAD_PSS)
{
BCRYPT_PSS_PADDING_INFO *info = params->padding;
if (!info) return STATUS_INVALID_PARAMETER;
if (!info->pszAlgId) return STATUS_INVALID_SIGNATURE;
if ((hash_alg = get_digest_from_id(info->pszAlgId)) == GNUTLS_DIG_UNKNOWN)
{
FIXME( "hash algorithm %s not supported\n", debugstr_w(info->pszAlgId) );
return STATUS_NOT_SUPPORTED;
}
if ((status = pubkey_set_rsa_pss_params( key_data(key)->a.pubkey, hash_alg, info->cbSalt ))) return status;
pk_alg = GNUTLS_PK_RSA_PSS;
}
else return STATUS_INVALID_PARAMETER;
break;
}
case ALG_ID_DSA:
{
if (flags) FIXME( "flags %#x not supported\n", flags );
if (params->hash_len != 20)
{
FIXME( "hash size %u not supported\n", params->hash_len );
return STATUS_INVALID_PARAMETER;
}
hash_alg = GNUTLS_DIG_SHA1;
pk_alg = GNUTLS_PK_DSA;
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, params->hash_len );
return STATUS_NOT_IMPLEMENTED;
}
if ((status = prepare_gnutls_signature( key, params->signature, params->signature_len, &gnutls_signature )))
return status;
gnutls_hash.data = params->hash;
gnutls_hash.size = params->hash_len;
ret = pgnutls_pubkey_verify_hash2( key_data(key)->a.pubkey, sign_alg, verify_flags, &gnutls_hash, &gnutls_signature );
if (gnutls_signature.data != params->signature) free( gnutls_signature.data );
return (ret < 0) ? STATUS_INVALID_SIGNATURE : STATUS_SUCCESS;
}
static unsigned int get_signature_length( enum alg_id id )
{
switch (id)
{
case ALG_ID_ECDSA_P256: return 64;
case ALG_ID_ECDSA_P384: return 96;
case ALG_ID_DSA: return 40;
default:
FIXME( "unhandled algorithm %u\n", id );
return 0;
}
}
static NTSTATUS format_gnutls_signature( enum alg_id type, gnutls_datum_t signature,
UCHAR *output, ULONG output_len, ULONG *ret_len )
{
switch (type)
{
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
{
*ret_len = signature.size;
if (output_len < signature.size) return STATUS_BUFFER_TOO_SMALL;
if (output) memcpy( output, signature.data, signature.size );
return STATUS_SUCCESS;
}
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
case ALG_ID_DSA:
{
int err;
unsigned int sig_len = get_signature_length( type );
gnutls_datum_t r, s; /* format as r||s */
if ((err = pgnutls_decode_rs_value( &signature, &r, &s )))
{
pgnutls_perror( err );
return STATUS_INTERNAL_ERROR;
}
*ret_len = sig_len;
if (output_len < sig_len) return STATUS_BUFFER_TOO_SMALL;
if (r.size > sig_len / 2 + 1 || s.size > sig_len / 2 + 1)
{
ERR( "we didn't get a correct signature\n" );
return STATUS_INTERNAL_ERROR;
}
if (output)
{
export_gnutls_datum( output, sig_len / 2, &r, 1 );
export_gnutls_datum( output + sig_len / 2, sig_len / 2, &s, 1 );
}
free( r.data ); free( s.data );
return STATUS_SUCCESS;
}
default:
return STATUS_INTERNAL_ERROR;
}
}
static NTSTATUS privkey_set_rsa_pss_params( gnutls_privkey_t key, gnutls_digest_algorithm_t dig, unsigned int salt_size )
{
gnutls_x509_spki_t spki;
int ret;
if (((ret = pgnutls_x509_spki_init( &spki ) < 0)))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
pgnutls_x509_spki_set_rsa_pss_params( spki, dig, salt_size );
ret = pgnutls_privkey_set_spki( key, spki, 0 );
pgnutls_x509_spki_deinit( spki );
if (ret < 0)
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_sign( void *args )
{
const struct key_asymmetric_sign_params *params = args;
struct key *key = params->key;
unsigned int flags = params->flags, gnutls_flags = 0;
gnutls_datum_t hash, signature;
gnutls_digest_algorithm_t hash_alg;
NTSTATUS status;
int ret;
if (key->alg_id == ALG_ID_ECDSA_P256 || key->alg_id == ALG_ID_ECDSA_P384)
{
/* With ECDSA, we find the digest algorithm from the hash length, and verify it */
switch (params->input_len)
{
case 20: hash_alg = GNUTLS_DIG_SHA1; break;
case 32: hash_alg = GNUTLS_DIG_SHA256; break;
case 48: hash_alg = GNUTLS_DIG_SHA384; break;
case 64: hash_alg = GNUTLS_DIG_SHA512; break;
default:
FIXME( "hash size %u not yet supported\n", params->input_len );
return STATUS_INVALID_PARAMETER;
}
if (flags == BCRYPT_PAD_PKCS1)
{
BCRYPT_PKCS1_PADDING_INFO *pad = params->padding;
if (pad && pad->pszAlgId && get_digest_from_id( pad->pszAlgId ) != hash_alg)
{
WARN( "incorrect hashing algorithm %s, expected %u\n", debugstr_w(pad->pszAlgId), hash_alg );
return STATUS_INVALID_PARAMETER;
}
}
}
else if (key->alg_id == ALG_ID_DSA)
{
if (flags) FIXME( "flags %#x not supported\n", flags );
if (params->input_len != 20)
{
FIXME( "hash size %u not supported\n", params->input_len );
return STATUS_INVALID_PARAMETER;
}
hash_alg = GNUTLS_DIG_SHA1;
}
else if (flags == BCRYPT_PAD_PKCS1)
{
BCRYPT_PKCS1_PADDING_INFO *pad = params->padding;
if (!pad || !pad->pszAlgId)
{
WARN( "padding info not found\n" );
return STATUS_INVALID_PARAMETER;
}
if ((hash_alg = get_digest_from_id( pad->pszAlgId )) == GNUTLS_DIG_UNKNOWN)
{
FIXME( "hash algorithm %s not recognized\n", debugstr_w(pad->pszAlgId) );
return STATUS_NOT_SUPPORTED;
}
}
else if (flags == BCRYPT_PAD_PSS)
{
BCRYPT_PSS_PADDING_INFO *pad = params->padding;
if (!pad || !pad->pszAlgId)
{
WARN( "padding info not found\n" );
return STATUS_INVALID_PARAMETER;
}
if (key->alg_id != ALG_ID_RSA && key->alg_id != ALG_ID_RSA_SIGN)
{
FIXME( "BCRYPT_PAD_PSS not supported for key algorithm %u\n", key->alg_id );
return STATUS_NOT_SUPPORTED;
}
if ((hash_alg = get_digest_from_id( pad->pszAlgId )) == GNUTLS_DIG_UNKNOWN)
{
FIXME( "hash algorithm %s not recognized\n", debugstr_w(pad->pszAlgId) );
return STATUS_NOT_SUPPORTED;
}
if ((status = privkey_set_rsa_pss_params( key_data(key)->a.privkey, hash_alg, pad->cbSalt ))) return status;
gnutls_flags = GNUTLS_PRIVKEY_SIGN_FLAG_RSA_PSS;
}
else if (!flags)
{
WARN( "invalid flags %#x\n", flags );
return STATUS_INVALID_PARAMETER;
}
else
{
FIXME( "flags %#x not implemented\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
if (!params->output)
{
*params->ret_len = key->u.a.bitlen / 8;
return STATUS_SUCCESS;
}
if (!key_data(key)->a.privkey) return STATUS_INVALID_PARAMETER;
hash.data = params->input;
hash.size = params->input_len;
signature.data = NULL;
signature.size = 0;
if ((ret = pgnutls_privkey_sign_hash( key_data(key)->a.privkey, hash_alg, gnutls_flags, &hash, &signature )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
status = format_gnutls_signature( key->alg_id, signature, params->output, params->output_len, params->ret_len );
free( signature.data );
return status;
}
static NTSTATUS key_asymmetric_destroy( void *args )
{
struct key *key = args;
if (key_data(key)->a.privkey) pgnutls_privkey_deinit( key_data(key)->a.privkey );
if (key_data(key)->a.pubkey) pgnutls_pubkey_deinit( key_data(key)->a.pubkey );
if (key_data(key)->a.dh_params) pgnutls_dh_params_deinit( key_data(key)->a.dh_params );
return STATUS_SUCCESS;
}
static NTSTATUS dup_privkey( struct key *key_orig, struct key *key_copy )
{
gnutls_privkey_t privkey;
int ret;
if ((ret = pgnutls_privkey_init( &privkey )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
switch (key_orig->alg_id)
{
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
{
gnutls_datum_t m, e, d, p, q, u, e1, e2;
if ((ret = pgnutls_privkey_export_rsa_raw( key_data(key_orig)->a.privkey, &m, &e, &d, &p, &q, &u, &e1, &e2 )))
break;
ret = pgnutls_privkey_import_rsa_raw( privkey, &m, &e, &d, &p, &q, &u, &e1, &e2 );
free( m.data ); free( e.data ); free( d.data ); free( p.data ); free( q.data ); free( u.data );
free( e1.data ); free( e2.data );
break;
}
case ALG_ID_DSA:
{
gnutls_datum_t p, q, g, y, x;
if ((ret = pgnutls_privkey_export_dsa_raw( key_data(key_orig)->a.privkey, &p, &q, &g, &y, &x ))) break;
ret = pgnutls_privkey_import_dsa_raw( privkey, &p, &q, &g, &y, &x );
free( p.data ); free( q.data ); free( g.data ); free( y.data ); free( x.data );
if (!ret) key_copy->u.a.dss_seed = key_orig->u.a.dss_seed;
break;
}
case ALG_ID_ECDH_P256:
case ALG_ID_ECDH_P384:
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
{
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y, k;
if ((ret = pgnutls_privkey_export_ecc_raw( key_data(key_orig)->a.privkey, &curve, &x, &y, &k ))) break;
ret = pgnutls_privkey_import_ecc_raw( privkey, curve, &x, &y, &k );
free( x.data ); free( y.data ); free( k.data );
break;
}
case ALG_ID_DH:
{
gnutls_dh_params_t params;
gnutls_datum_t y, x;
if ((ret = pgnutls_dh_params_init( &params )) < 0) break;
if ((ret = pgnutls_privkey_export_dh_raw( key_data(key_orig)->a.privkey, params, &y, &x, 0 )) < 0)
{
pgnutls_dh_params_deinit( params );
break;
}
ret = pgnutls_privkey_import_dh_raw( privkey, params, &y, &x );
pgnutls_dh_params_deinit( params );
free( x.data ); free( y.data );
break;
}
default:
ERR( "unhandled algorithm %u\n", key_orig->alg_id );
pgnutls_privkey_deinit( privkey );
return STATUS_INTERNAL_ERROR;
}
if (ret < 0)
{
pgnutls_perror( ret );
pgnutls_privkey_deinit( privkey );
return STATUS_INTERNAL_ERROR;
}
key_data(key_copy)->a.privkey = privkey;
return STATUS_SUCCESS;
}
static NTSTATUS dup_pubkey( struct key *key_orig, struct key *key_copy )
{
gnutls_pubkey_t pubkey;
int ret;
if ((ret = pgnutls_pubkey_init( &pubkey )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
switch (key_orig->alg_id)
{
case ALG_ID_RSA:
case ALG_ID_RSA_SIGN:
{
gnutls_datum_t m, e;
if ((ret = pgnutls_pubkey_export_rsa_raw( key_data(key_orig)->a.pubkey, &m, &e ))) break;
ret = pgnutls_pubkey_import_rsa_raw( pubkey, &m, &e );
free( m.data ); free( e.data );
break;
}
case ALG_ID_DSA:
{
gnutls_datum_t p, q, g, y;
if ((ret = pgnutls_pubkey_export_dsa_raw( key_data(key_orig)->a.pubkey, &p, &q, &g, &y ))) break;
ret = pgnutls_pubkey_import_dsa_raw( pubkey, &p, &q, &g, &y );
free( p.data ); free( q.data ); free( g.data ); free( y.data );
if (!ret) key_copy->u.a.dss_seed = key_orig->u.a.dss_seed;
break;
}
case ALG_ID_ECDH_P256:
case ALG_ID_ECDH_P384:
case ALG_ID_ECDSA_P256:
case ALG_ID_ECDSA_P384:
{
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y;
if ((ret = pgnutls_pubkey_export_ecc_raw( key_data(key_orig)->a.pubkey, &curve, &x, &y ))) break;
ret = pgnutls_pubkey_import_ecc_raw( pubkey, curve, &x, &y );
free( x.data ); free( y.data );
break;
}
case ALG_ID_DH:
{
gnutls_dh_params_t params;
gnutls_datum_t y;
if ((ret = pgnutls_dh_params_init( &params )) < 0) break;
if ((ret = pgnutls_pubkey_export_dh_raw( key_data(key_orig)->a.pubkey, params, &y, 0 )) < 0)
{
pgnutls_dh_params_deinit( params );
break;
}
ret = pgnutls_pubkey_import_dh_raw( pubkey, params, &y );
pgnutls_dh_params_deinit( params );
free( y.data );
break;
}
default:
ERR( "unhandled algorithm %u\n", key_orig->alg_id );
pgnutls_pubkey_deinit( pubkey );
return STATUS_INTERNAL_ERROR;
}
if (ret < 0)
{
pgnutls_perror( ret );
pgnutls_pubkey_deinit( pubkey );
return STATUS_INTERNAL_ERROR;
}
key_data(key_copy)->a.pubkey = pubkey;
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_duplicate( void *args )
{
const struct key_asymmetric_duplicate_params *params = args;
NTSTATUS status;
if (key_data(params->key_orig)->a.privkey && (status = dup_privkey( params->key_orig, params->key_copy )))
return status;
if (key_data(params->key_orig)->a.pubkey && (status = dup_pubkey( params->key_orig, params->key_copy )))
return status;
return STATUS_SUCCESS;
}
static NTSTATUS key_asymmetric_decrypt( void *args )
{
const struct key_asymmetric_decrypt_params *params = args;
gnutls_datum_t e, d = { 0 };
NTSTATUS status = STATUS_SUCCESS;
int ret;
e.data = params->input;
e.size = params->input_len;
if ((ret = pgnutls_privkey_decrypt_data( key_data(params->key)->a.privkey, 0, &e, &d )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
*params->ret_len = d.size;
if (params->output_len >= d.size) memcpy( params->output, d.data, *params->ret_len );
else status = STATUS_BUFFER_TOO_SMALL;
free( d.data );
return status;
}
static NTSTATUS key_asymmetric_encrypt( void *args )
{
const struct key_asymmetric_encrypt_params *params = args;
gnutls_datum_t d, e = { 0 };
NTSTATUS status = STATUS_SUCCESS;
int ret;
if (!key_data(params->key)->a.pubkey) return STATUS_INVALID_HANDLE;
d.data = params->input;
d.size = params->input_len;
if ((ret = pgnutls_pubkey_encrypt_data(key_data(params->key)->a.pubkey, 0, &d, &e)))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
*params->ret_len = e.size;
if (params->output_len >= e.size) memcpy( params->output, e.data, *params->ret_len );
else if (params->output_len == 0) status = STATUS_SUCCESS;
else status = STATUS_BUFFER_TOO_SMALL;
free( e.data );
return status;
}
static NTSTATUS key_asymmetric_derive_key( void *args )
{
const struct key_asymmetric_derive_key_params *params = args;
gnutls_datum_t s;
int ret;
if ((ret = pgnutls_privkey_derive_secret( key_data(params->privkey)->a.privkey,
key_data(params->pubkey)->a.pubkey, NULL, &s, 0 )))
{
pgnutls_perror( ret );
return STATUS_INTERNAL_ERROR;
}
if (!params->output) *params->ret_len = s.size;
else
{
*params->ret_len = min( params->output_len, s.size );
memcpy( params->output, s.data, *params->ret_len );
}
free( s.data );
return STATUS_SUCCESS;
}
const unixlib_entry_t __wine_unix_call_funcs[] =
{
gnutls_process_attach,
gnutls_process_detach,
key_symmetric_vector_reset,
key_symmetric_set_auth_data,
key_symmetric_encrypt,
key_symmetric_decrypt,
key_symmetric_get_tag,
key_symmetric_destroy,
key_asymmetric_generate,
key_asymmetric_decrypt,
key_asymmetric_encrypt,
key_asymmetric_duplicate,
key_asymmetric_sign,
key_asymmetric_verify,
key_asymmetric_destroy,
key_asymmetric_export,
key_asymmetric_import,
key_asymmetric_derive_key,
};
C_ASSERT( ARRAYSIZE(__wine_unix_call_funcs) == unix_funcs_count );
#ifdef _WIN64
typedef ULONG PTR32;
struct key_symmetric32
{
enum chain_mode mode;
ULONG block_size;
PTR32 vector;
ULONG vector_len;
PTR32 secret;
ULONG secret_len;
ULONG __cs[6];
};
struct key_asymmetric32
{
ULONG bitlen; /* ignored for ECC keys */
ULONG flags;
DSSSEED dss_seed;
};
struct key32
{
struct object hdr;
enum alg_id alg_id;
UINT64 private[2]; /* private data for backend */
union
{
struct key_symmetric32 s;
struct key_asymmetric32 a;
} u;
};
union padding
{
BCRYPT_PKCS1_PADDING_INFO pkcs1;
BCRYPT_PSS_PADDING_INFO pss;
};
union padding32
{
struct
{
PTR32 pszAlgId;
} pkcs1;
struct
{
PTR32 pszAlgId;
ULONG cbSalt;
} pss;
};
static union padding *get_padding( union padding32 *padding32, union padding *padding, ULONG flags)
{
if (!padding32) return NULL;
switch (flags)
{
case BCRYPT_PAD_PKCS1:
padding->pkcs1.pszAlgId = ULongToPtr( padding32->pkcs1.pszAlgId );
return padding;
case BCRYPT_PAD_PSS:
padding->pss.pszAlgId = ULongToPtr( padding32->pss.pszAlgId );
padding->pss.cbSalt = padding32->pss.cbSalt;
return padding;
default:
break;
}
return NULL;
}
static struct key *get_symmetric_key( struct key32 *key32, struct key *key )
{
key->hdr = key32->hdr;
key->alg_id = key32->alg_id;
key->private[0] = key32->private[0];
key->private[1] = key32->private[1];
key->u.s.mode = key32->u.s.mode;
key->u.s.block_size = key32->u.s.block_size;
key->u.s.vector = ULongToPtr(key32->u.s.vector);
key->u.s.vector_len = key32->u.s.vector_len;
key->u.s.secret = ULongToPtr(key32->u.s.secret);
key->u.s.secret_len = key32->u.s.secret_len;
return key;
}
static struct key *get_asymmetric_key( struct key32 *key32, struct key *key )
{
key->hdr = key32->hdr;
key->alg_id = key32->alg_id;
key->private[0] = key32->private[0];
key->private[1] = key32->private[1];
key->u.a.bitlen = key32->u.a.bitlen;
key->u.a.flags = key32->u.a.flags;
key->u.a.dss_seed = key32->u.a.dss_seed;
return key;
}
static void put_symmetric_key32( struct key *key, struct key32 *key32 )
{
key32->private[0] = key->private[0];
key32->private[1] = key->private[1];
}
static void put_asymmetric_key32( struct key *key, struct key32 *key32 )
{
key32->private[0] = key->private[0];
key32->private[1] = key->private[1];
key32->u.a.flags = key->u.a.flags;
key32->u.a.dss_seed = key->u.a.dss_seed;
}
static NTSTATUS wow64_key_symmetric_vector_reset( void *args )
{
NTSTATUS ret;
struct key key;
struct key32 *key32 = args;
ret = key_symmetric_vector_reset( get_symmetric_key( key32, &key ));
put_symmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_symmetric_set_auth_data( void *args )
{
struct
{
PTR32 key;
PTR32 auth_data;
ULONG len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_symmetric_set_auth_data_params params =
{
get_symmetric_key( key32, &key ),
ULongToPtr(params32->auth_data),
params32->len
};
ret = key_symmetric_set_auth_data( &params );
put_symmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_symmetric_encrypt( void *args )
{
struct
{
PTR32 key;
PTR32 input;
ULONG input_len;
PTR32 output;
ULONG output_len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_symmetric_encrypt_params params =
{
get_symmetric_key( key32, &key ),
ULongToPtr(params32->input),
params32->input_len,
ULongToPtr(params32->output),
params32->output_len
};
ret = key_symmetric_encrypt( &params );
put_symmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_symmetric_decrypt( void *args )
{
struct
{
PTR32 key;
PTR32 input;
ULONG input_len;
PTR32 output;
ULONG output_len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_symmetric_decrypt_params params =
{
get_symmetric_key( key32, &key ),
ULongToPtr(params32->input),
params32->input_len,
ULongToPtr(params32->output),
params32->output_len
};
ret = key_symmetric_decrypt( &params );
put_symmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_symmetric_get_tag( void *args )
{
struct
{
PTR32 key;
PTR32 tag;
ULONG len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_symmetric_get_tag_params params =
{
get_symmetric_key( key32, &key ),
ULongToPtr(params32->tag),
params32->len
};
ret = key_symmetric_get_tag( &params );
put_symmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_symmetric_destroy( void *args )
{
struct key32 *key32 = args;
struct key key;
return key_symmetric_destroy( get_symmetric_key( key32, &key ));
}
static NTSTATUS wow64_key_asymmetric_generate( void *args )
{
struct key32 *key32 = args;
struct key key;
NTSTATUS ret;
ret = key_asymmetric_generate( get_asymmetric_key( key32, &key ));
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_decrypt( void *args )
{
struct
{
PTR32 key;
PTR32 input;
ULONG input_len;
PTR32 output;
ULONG output_len;
PTR32 ret_len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_decrypt_params params =
{
get_asymmetric_key( key32, &key ),
ULongToPtr(params32->input),
params32->input_len,
ULongToPtr(params32->output),
params32->output_len,
ULongToPtr(params32->ret_len)
};
ret = key_asymmetric_decrypt( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_encrypt( void *args )
{
struct
{
PTR32 key;
PTR32 input;
ULONG input_len;
PTR32 output;
ULONG output_len;
PTR32 ret_len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_encrypt_params params =
{
get_asymmetric_key( key32, &key ),
ULongToPtr(params32->input),
params32->input_len,
ULongToPtr(params32->output),
params32->output_len,
ULongToPtr(params32->ret_len)
};
ret = key_asymmetric_encrypt( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_duplicate( void *args )
{
struct
{
PTR32 key_orig;
PTR32 key_copy;
} const *params32 = args;
NTSTATUS ret;
struct key key_orig, key_copy;
struct key32 *key_orig32 = ULongToPtr( params32->key_orig );
struct key32 *key_copy32 = ULongToPtr( params32->key_copy );
struct key_asymmetric_duplicate_params params =
{
get_asymmetric_key( key_orig32, &key_orig ),
get_asymmetric_key( key_copy32, &key_copy )
};
ret = key_asymmetric_duplicate( &params );
put_asymmetric_key32( &key_copy, key_copy32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_sign( void *args )
{
struct
{
PTR32 key;
PTR32 padding;
PTR32 input;
ULONG input_len;
PTR32 output;
ULONG output_len;
PTR32 ret_len;
ULONG flags;
} const *params32 = args;
NTSTATUS ret;
struct key key;
union padding padding;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_sign_params params =
{
get_asymmetric_key( key32, &key ),
get_padding(ULongToPtr( params32->padding ), &padding, params32->flags),
ULongToPtr(params32->input),
params32->input_len,
ULongToPtr(params32->output),
params32->output_len,
ULongToPtr(params32->ret_len),
params32->flags
};
ret = key_asymmetric_sign( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_verify( void *args )
{
struct
{
PTR32 key;
PTR32 padding;
PTR32 hash;
ULONG hash_len;
PTR32 signature;
ULONG signature_len;
ULONG flags;
} const *params32 = args;
NTSTATUS ret;
struct key key;
union padding padding;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_verify_params params =
{
get_asymmetric_key( key32, &key ),
get_padding(ULongToPtr( params32->padding ), &padding, params32->flags),
ULongToPtr(params32->hash),
params32->hash_len,
ULongToPtr(params32->signature),
params32->signature_len,
params32->flags
};
ret = key_asymmetric_verify( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_destroy( void *args )
{
struct key32 *key32 = args;
struct key key;
return key_asymmetric_destroy( get_asymmetric_key( key32, &key ));
}
static NTSTATUS wow64_key_asymmetric_export( void *args )
{
struct
{
PTR32 key;
ULONG flags;
PTR32 buf;
ULONG len;
PTR32 ret_len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_export_params params =
{
get_asymmetric_key( key32, &key ),
params32->flags,
ULongToPtr(params32->buf),
params32->len,
ULongToPtr(params32->ret_len),
};
ret = key_asymmetric_export( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_import( void *args )
{
struct
{
PTR32 key;
ULONG flags;
PTR32 buf;
ULONG len;
} const *params32 = args;
NTSTATUS ret;
struct key key;
struct key32 *key32 = ULongToPtr( params32->key );
struct key_asymmetric_import_params params =
{
get_asymmetric_key( key32, &key ),
params32->flags,
ULongToPtr(params32->buf),
params32->len
};
ret = key_asymmetric_import( &params );
put_asymmetric_key32( &key, key32 );
return ret;
}
static NTSTATUS wow64_key_asymmetric_derive_key( void *args )
{
struct
{
PTR32 privkey;
PTR32 pubkey;
PTR32 output;
ULONG output_len;
PTR32 ret_len;
} const *params32 = args;
NTSTATUS ret;
struct key privkey, pubkey;
struct key32 *privkey32 = ULongToPtr( params32->privkey );
struct key32 *pubkey32 = ULongToPtr( params32->pubkey );
struct key_asymmetric_derive_key_params params =
{
get_asymmetric_key( privkey32, &privkey ),
get_asymmetric_key( pubkey32, &pubkey ),
ULongToPtr(params32->output),
params32->output_len,
ULongToPtr(params32->ret_len),
};
ret = key_asymmetric_derive_key( &params );
put_asymmetric_key32( &privkey, privkey32 );
put_asymmetric_key32( &pubkey, pubkey32 );
return ret;
}
const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
{
gnutls_process_attach,
gnutls_process_detach,
wow64_key_symmetric_vector_reset,
wow64_key_symmetric_set_auth_data,
wow64_key_symmetric_encrypt,
wow64_key_symmetric_decrypt,
wow64_key_symmetric_get_tag,
wow64_key_symmetric_destroy,
wow64_key_asymmetric_generate,
wow64_key_asymmetric_decrypt,
wow64_key_asymmetric_encrypt,
wow64_key_asymmetric_duplicate,
wow64_key_asymmetric_sign,
wow64_key_asymmetric_verify,
wow64_key_asymmetric_destroy,
wow64_key_asymmetric_export,
wow64_key_asymmetric_import,
wow64_key_asymmetric_derive_key,
};
C_ASSERT( ARRAYSIZE(__wine_unix_call_wow64_funcs) == unix_funcs_count );
#endif /* _WIN64 */
#endif /* HAVE_GNUTLS_CIPHER_INIT */
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