237 lines
6.1 KiB
C
237 lines
6.1 KiB
C
/*
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* Copyright 2016 Michael Müller
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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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#ifndef __BCRYPT_INTERNAL_H
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#define __BCRYPT_INTERNAL_H
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#include <stdarg.h>
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#ifdef HAVE_GNUTLS_CIPHER_INIT
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#include <gnutls/abstract.h>
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#elif HAVE_COMMONCRYPTO_COMMONCRYPTOR_H
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#include <AvailabilityMacros.h>
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#include <CommonCrypto/CommonCryptor.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "bcrypt.h"
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typedef struct
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{
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ULONG64 len;
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DWORD h[8];
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UCHAR buf[64];
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} SHA256_CTX;
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void sha256_init(SHA256_CTX *ctx) DECLSPEC_HIDDEN;
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void sha256_update(SHA256_CTX *ctx, const UCHAR *buffer, ULONG len) DECLSPEC_HIDDEN;
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void sha256_finalize(SHA256_CTX *ctx, UCHAR *buffer) DECLSPEC_HIDDEN;
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typedef struct
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{
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ULONG64 len;
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ULONG64 h[8];
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UCHAR buf[128];
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} SHA512_CTX;
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void sha512_init(SHA512_CTX *ctx) DECLSPEC_HIDDEN;
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void sha512_update(SHA512_CTX *ctx, const UCHAR *buffer, ULONG len) DECLSPEC_HIDDEN;
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void sha512_finalize(SHA512_CTX *ctx, UCHAR *buffer) DECLSPEC_HIDDEN;
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void sha384_init(SHA512_CTX *ctx) DECLSPEC_HIDDEN;
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#define sha384_update sha512_update
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void sha384_finalize(SHA512_CTX *ctx, UCHAR *buffer) DECLSPEC_HIDDEN;
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typedef struct {
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unsigned char chksum[16], X[48], buf[16];
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unsigned long curlen;
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} MD2_CTX;
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void md2_init(MD2_CTX *ctx) DECLSPEC_HIDDEN;
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void md2_update(MD2_CTX *ctx, const unsigned char *buf, ULONG len) DECLSPEC_HIDDEN;
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void md2_finalize(MD2_CTX *ctx, unsigned char *hash) DECLSPEC_HIDDEN;
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/* Definitions from advapi32 */
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typedef struct tagMD4_CTX {
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unsigned int buf[4];
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unsigned int i[2];
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unsigned char in[64];
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unsigned char digest[16];
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} MD4_CTX;
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VOID WINAPI MD4Init(MD4_CTX *ctx);
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VOID WINAPI MD4Update(MD4_CTX *ctx, const unsigned char *buf, unsigned int len);
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VOID WINAPI MD4Final(MD4_CTX *ctx);
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typedef struct
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{
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unsigned int i[2];
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unsigned int buf[4];
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unsigned char in[64];
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unsigned char digest[16];
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} MD5_CTX;
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VOID WINAPI MD5Init(MD5_CTX *ctx);
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VOID WINAPI MD5Update(MD5_CTX *ctx, const unsigned char *buf, unsigned int len);
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VOID WINAPI MD5Final(MD5_CTX *ctx);
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typedef struct
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{
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ULONG Unknown[6];
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ULONG State[5];
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ULONG Count[2];
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UCHAR Buffer[64];
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} SHA_CTX;
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VOID WINAPI A_SHAInit(SHA_CTX *ctx);
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VOID WINAPI A_SHAUpdate(SHA_CTX *ctx, const UCHAR *buffer, UINT size);
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VOID WINAPI A_SHAFinal(SHA_CTX *ctx, PULONG result);
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struct buffer
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{
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BYTE *buffer;
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DWORD length;
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DWORD pos;
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BOOL error;
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};
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void buffer_init( struct buffer * ) DECLSPEC_HIDDEN;
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void buffer_free( struct buffer * ) DECLSPEC_HIDDEN;
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void buffer_append_asn1_r_s( struct buffer *, BYTE *, DWORD, BYTE *, DWORD ) DECLSPEC_HIDDEN;
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#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
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#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
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#define MAGIC_KEY (('K' << 24) | ('E' << 16) | ('Y' << 8) | '0')
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struct object
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{
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ULONG magic;
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};
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enum alg_id
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{
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ALG_ID_AES,
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ALG_ID_MD2,
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ALG_ID_MD4,
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ALG_ID_MD5,
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ALG_ID_RNG,
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ALG_ID_RSA,
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ALG_ID_SHA1,
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ALG_ID_SHA256,
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ALG_ID_SHA384,
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ALG_ID_SHA512,
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ALG_ID_ECDSA_P256,
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ALG_ID_ECDSA_P384,
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};
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enum mode_id
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{
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MODE_ID_ECB,
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MODE_ID_CBC,
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MODE_ID_GCM
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};
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struct algorithm
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{
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struct object hdr;
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enum alg_id id;
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enum mode_id mode;
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BOOL hmac;
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};
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#if defined(HAVE_GNUTLS_CIPHER_INIT)
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struct key_symmetric
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{
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enum mode_id mode;
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ULONG block_size;
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gnutls_cipher_hd_t handle;
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UCHAR *secret;
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ULONG secret_len;
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};
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struct key_asymmetric
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{
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UCHAR *pubkey;
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ULONG pubkey_len;
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};
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struct key
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{
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struct object hdr;
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enum alg_id alg_id;
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union
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{
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struct key_symmetric s;
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struct key_asymmetric a;
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} u;
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};
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#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
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struct key_symmetric
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{
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enum mode_id mode;
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ULONG block_size;
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CCCryptorRef ref_encrypt;
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CCCryptorRef ref_decrypt;
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UCHAR *secret;
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ULONG secret_len;
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};
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struct key_asymmetric
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{
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UCHAR *pubkey;
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ULONG pubkey_len;
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};
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struct key
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{
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struct object hdr;
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enum alg_id alg_id;
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union
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{
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struct key_symmetric s;
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struct key_asymmetric a;
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} u;
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};
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#else
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struct key
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{
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struct object hdr;
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};
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#endif
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NTSTATUS get_alg_property( const struct algorithm *, const WCHAR *, UCHAR *, ULONG, ULONG * ) DECLSPEC_HIDDEN;
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NTSTATUS key_set_property( struct key *, const WCHAR *, UCHAR *, ULONG, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_set_params( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_set_auth_data( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_encrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_decrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_symmetric_get_tag( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_asymmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN;
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NTSTATUS key_asymmetric_verify( struct key *, void *, UCHAR *, ULONG, UCHAR *, ULONG, DWORD ) DECLSPEC_HIDDEN;
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NTSTATUS key_destroy( struct key * ) DECLSPEC_HIDDEN;
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BOOL key_is_symmetric( struct key * ) DECLSPEC_HIDDEN;
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BOOL gnutls_initialize(void) DECLSPEC_HIDDEN;
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void gnutls_uninitialize(void) DECLSPEC_HIDDEN;
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#endif /* __BCRYPT_INTERNAL_H */
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