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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/ntru/ntru_trits.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2013-2016 Andreas Steffen
        !             3:  * HSR Hochschule fuer Technik Rapperswil
        !             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 ntru_trits ntru_trits
        !            18:  * @{ @ingroup ntru_p
        !            19:  */
        !            20: 
        !            21: #ifndef NTRU_TRITS_H_
        !            22: #define NTRU_TRITS_H_
        !            23: 
        !            24: typedef struct ntru_trits_t ntru_trits_t;
        !            25: 
        !            26: #include <library.h>
        !            27: #include <crypto/xofs/xof.h>
        !            28: 
        !            29: /**
        !            30:  * Implements an array of trinary elements (trits)
        !            31:  */
        !            32: struct ntru_trits_t {
        !            33: 
        !            34:        /**
        !            35:         * Get the size of the trits array
        !            36:         *
        !            37:         * @return                      number of trinary elements
        !            38:         */
        !            39:        size_t (*get_size)(ntru_trits_t *this);
        !            40: 
        !            41:        /**
        !            42:         * @return                      octet array containing a trit per octet
        !            43:         */
        !            44:        uint8_t* (*get_trits)(ntru_trits_t *this);
        !            45: 
        !            46:        /**
        !            47:         * Destroy ntru_trits_t object
        !            48:         */
        !            49:        void (*destroy)(ntru_trits_t *this);
        !            50: };
        !            51: 
        !            52: /**
        !            53:  * Create a trits array from a seed using MGF1 with a base hash function
        !            54:  *
        !            55:  * @param size                 size of the trits array
        !            56:  * @param alg                  MGF1 algorithm used (XOF_MGF1_SHA1 or XOF_MGF_SHA256)
        !            57:  * @param seed                 seed used by MGF1 to generate trits from
        !            58:  */
        !            59: ntru_trits_t *ntru_trits_create(size_t size, ext_out_function_t alg,
        !            60:                                                                chunk_t seed);
        !            61: 
        !            62: #endif /** NTRU_TRITS_H_ @}*/
        !            63: