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Diffstat (limited to 'src/libstrongswan/crypto/hmac.h')
-rw-r--r-- | src/libstrongswan/crypto/hmac.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/libstrongswan/crypto/hmac.h b/src/libstrongswan/crypto/hmac.h deleted file mode 100644 index 06b75aaf9..000000000 --- a/src/libstrongswan/crypto/hmac.h +++ /dev/null @@ -1,117 +0,0 @@ -/** - * @file hmac.h - * - * @brief Interface of hmac_t. - */ - -/* - * Copyright (C) 2005-2006 Martin Willi - * Copyright (C) 2005 Jan Hutter - * Hochschule fuer Technik Rapperswil - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * This program 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 General Public License - * for more details. - */ - -#ifndef HMAC_H_ -#define HMAC_H_ - -typedef struct hmac_t hmac_t; - -#include <crypto/hashers/hasher.h> - -/** - * @brief Message authentication using hash functions. - * - * This class implements the message authenticaion algorithm - * described in RFC2104. It uses a hash function, wich must - * be implemented as a hasher_t class. - * - * See http://www.faqs.org/rfcs/rfc2104.html for RFC. - * @see - * - hasher_t - * - prf_hmac_t - * - * @b Constructors: - * - hmac_create() - * - * @ingroup crypto - */ -struct hmac_t { - /** - * @brief Generate message authentication code. - * - * If buffer is NULL, no result is given back. A next call will - * append the data to already supplied data. If buffer is not NULL, - * the mac of all apended data is calculated, returned and the - * state of the hmac_t is reseted. - * - * @param this calling object - * @param data chunk of data to authenticate - * @param[out] buffer pointer where the generated bytes will be written - */ - void (*get_mac) (hmac_t *this, chunk_t data, u_int8_t *buffer); - - /** - * @brief Generates message authentication code and - * allocate space for them. - * - * If chunk is NULL, no result is given back. A next call will - * append the data to already supplied. If chunk is not NULL, - * the mac of all apended data is calculated, returned and the - * state of the hmac_t reset; - * - * @param this calling object - * @param data chunk of data to authenticate - * @param[out] chunk chunk which will hold generated bytes - */ - void (*allocate_mac) (hmac_t *this, chunk_t data, chunk_t *chunk); - - /** - * @brief Get the block size of this hmac_t object. - * - * @param this calling object - * @return block size in bytes - */ - size_t (*get_block_size) (hmac_t *this); - - /** - * @brief Set the key for this hmac_t object. - * - * Any key length is accepted. - * - * @param this calling object - * @param key key to set - */ - void (*set_key) (hmac_t *this, chunk_t key); - - /** - * @brief Destroys a hmac_t object. - * - * @param this calling object - */ - void (*destroy) (hmac_t *this); -}; - -/** - * @brief Creates a new hmac_t object. - * - * Creates a hasher_t object internally. - * - * @param hash_algorithm hash algorithm to use - * @return - * - hmac_t object - * - NULL if hash algorithm is not supported - * - * @ingroup transforms - */ -hmac_t *hmac_create(hash_algorithm_t hash_algorithm); - -#endif /*HMAC_H_*/ |