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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/ccm/ccm_aead.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2010 Martin Willi
                      3:  * Copyright (C) 2010 revosec AG
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: /**
                     17:  * @defgroup ccm_aead ccm_aead
                     18:  * @{ @ingroup ccm
                     19:  */
                     20: 
                     21: #ifndef CCM_AEAD_H_
                     22: #define CCM_AEAD_H_
                     23: 
                     24: #include <crypto/aead.h>
                     25: 
                     26: typedef struct ccm_aead_t ccm_aead_t;
                     27: 
                     28: /**
                     29:  * Counter with Cipher Block Chaining-Message Authentication Code (CCM).
                     30:  *
                     31:  * Implements CCM as specified in NIST 800-38B, using AEAD semantics from
                     32:  * RFC 5282, based on RFC4309.
                     33:  */
                     34: struct ccm_aead_t {
                     35: 
                     36:        /**
                     37:         * Implements aead_t interface.
                     38:         */
                     39:        aead_t aead;
                     40: };
                     41: 
                     42: /**
                     43:  * Create a ccm_aead instance.
                     44:  *
                     45:  * @param algo                 algorithm to implement, a CCM mode
                     46:  * @param key_size             key size in bytes
                     47:  * @param salt_size            size of implicit salt length
                     48:  * @return                             aead, NULL if not supported
                     49:  */
                     50: ccm_aead_t *ccm_aead_create(encryption_algorithm_t algo, size_t key_size,
                     51:                                                        size_t salt_size);
                     52: 
                     53: #endif /** CCM_AEAD_H_ @}*/