235 lines
7.1 KiB
C
235 lines
7.1 KiB
C
/*
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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_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 "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_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 && !defined(HAVE_GNUTLS_CIPHER_INIT)
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WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
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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
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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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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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NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
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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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switch (alg->mode)
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{
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case MODE_ID_ECB:
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case MODE_ID_CBC:
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break;
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default:
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FIXME( "mode %u not supported\n", alg->mode );
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return STATUS_NOT_SUPPORTED;
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}
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break;
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default:
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FIXME( "algorithm %u not supported\n", alg->id );
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return STATUS_NOT_SUPPORTED;
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}
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if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
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if (!(key->u.s.secret = heap_alloc( secret_len ))) return STATUS_NO_MEMORY;
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memcpy( key->u.s.secret, secret, secret_len );
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key->u.s.secret_len = secret_len;
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key->alg_id = alg->id;
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key->u.s.mode = alg->mode;
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key->u.s.ref_encrypt = NULL; /* initialized on first use */
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key->u.s.ref_decrypt = NULL;
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return STATUS_SUCCESS;
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}
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static CCMode get_cryptor_mode( struct key *key )
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{
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switch (key->u.s.mode)
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{
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case MODE_ID_ECB: return kCCModeECB;
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case MODE_ID_CBC: return kCCModeCBC;
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default:
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FIXME( "unsupported mode %u\n", key->u.s.mode );
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return 0;
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}
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}
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NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len )
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{
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CCCryptorStatus status;
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CCMode mode;
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if (!(mode = get_cryptor_mode( key ))) return STATUS_NOT_SUPPORTED;
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if (key->u.s.ref_encrypt)
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{
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CCCryptorRelease( key->u.s.ref_encrypt );
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key->u.s.ref_encrypt = NULL;
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}
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if (key->u.s.ref_decrypt)
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{
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CCCryptorRelease( key->u.s.ref_decrypt );
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key->u.s.ref_decrypt = NULL;
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}
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if ((status = CCCryptorCreateWithMode( kCCEncrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret,
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key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_encrypt )) != kCCSuccess)
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{
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WARN( "CCCryptorCreateWithMode failed %d\n", status );
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return STATUS_INTERNAL_ERROR;
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}
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if ((status = CCCryptorCreateWithMode( kCCDecrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret,
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key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_decrypt )) != kCCSuccess)
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{
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WARN( "CCCryptorCreateWithMode failed %d\n", status );
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CCCryptorRelease( key->u.s.ref_encrypt );
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key->u.s.ref_encrypt = NULL;
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return STATUS_INTERNAL_ERROR;
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len )
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{
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CCCryptorStatus status;
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if ((status = CCCryptorUpdate( key->u.s.ref_encrypt, input, input_len, output, output_len, NULL )) != kCCSuccess)
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{
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WARN( "CCCryptorUpdate failed %d\n", status );
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return STATUS_INTERNAL_ERROR;
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len )
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{
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CCCryptorStatus status;
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if ((status = CCCryptorUpdate( key->u.s.ref_decrypt, input, input_len, output, output_len, NULL )) != kCCSuccess)
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{
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WARN( "CCCryptorUpdate failed %d\n", status );
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return STATUS_INTERNAL_ERROR;
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature,
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ULONG signature_len, DWORD flags )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_export_ecc( struct key *key, UCHAR *output, ULONG len, ULONG *ret_len )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_import_ecc( struct key *key, UCHAR *input, ULONG len )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_asymmetric_generate( struct key *key )
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{
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FIXME( "not implemented on Mac\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS key_destroy( struct key *key )
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{
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if (key->u.s.ref_encrypt) CCCryptorRelease( key->u.s.ref_encrypt );
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if (key->u.s.ref_decrypt) CCCryptorRelease( key->u.s.ref_decrypt );
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heap_free( key->u.s.secret );
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heap_free( key );
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return STATUS_SUCCESS;
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}
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#endif
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