1/* hmac256.h - Declarations for _gcry_hmac256 2 * Copyright (C) 2008 Free Software Foundation, Inc. 3 * 4 * This file is part of Libgcrypt. 5 * 6 * Libgcrypt is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU Lesser general Public License as 8 * published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * Libgcrypt is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20#ifndef HMAC256_H 21#define HMAC256_H 22 23 24struct hmac256_context; 25typedef struct hmac256_context *hmac256_context_t; 26 27hmac256_context_t _gcry_hmac256_new (const void *key, size_t keylen); 28void _gcry_hmac256_update (hmac256_context_t hd, const void *buf, size_t len); 29const void *_gcry_hmac256_finalize (hmac256_context_t hd, size_t *r_dlen); 30void _gcry_hmac256_release (hmac256_context_t hd); 31 32int _gcry_hmac256_file (void *result, size_t resultsize, const char *filename, 33 const void *key, size_t keylen); 34 35 36#endif /*HMAC256_H*/ 37