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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/newhope/newhope_reconciliation.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 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 newhope_reconciliation newhope_reconciliation
        !            18:  * @{ @ingroup newhope_p
        !            19:  */
        !            20: 
        !            21: #ifndef NEWHOPE_RECONCILIATION_H_
        !            22: #define NEWHOPE_RECONCILIATION_H_
        !            23: 
        !            24: typedef struct newhope_reconciliation_t newhope_reconciliation_t;
        !            25: 
        !            26: #include <library.h>
        !            27: 
        !            28: /**
        !            29:  * Class assisting the error reconciliation
        !            30:  * resulting in a key exchange error rate < 2^(-60)
        !            31:  */
        !            32: struct newhope_reconciliation_t {
        !            33: 
        !            34:        /**
        !            35:         * Generate reconciliation polynomial
        !            36:         *
        !            37:         * @param v                     polynomial v
        !            38:         * @param rbits         pseudo random bit array
        !            39:         * @return                      return array with reconciliation polynomial
        !            40:         */
        !            41:        uint8_t* (*help_reconcile)(newhope_reconciliation_t *this,
        !            42:                                                           uint32_t *v, uint8_t *rbits);
        !            43: 
        !            44:        /**
        !            45:         * Use reconciliation polynomial r to derive shared secret
        !            46:         *
        !            47:         * @param v                     polynomial v or v'
        !            48:         * @param r                     reconciliation polynomial r
        !            49:         * @return                      Return shared secret
        !            50:         */
        !            51:        chunk_t (*reconcile)(newhope_reconciliation_t *this,
        !            52:                                                uint32_t *v, uint8_t *r);
        !            53: 
        !            54:        /**
        !            55:         * Destroy a newhope_reconciliation_t object
        !            56:         */
        !            57:        void (*destroy)(newhope_reconciliation_t *this);
        !            58: };
        !            59: 
        !            60: /**
        !            61:  * Creates a new newhope_reconciliation_t object.
        !            62:  *
        !            63:  * @param n                            array size
        !            64:  * @param q                            prime modulus
        !            65:  * @return                             newhope_reconciliation_t object
        !            66:  */
        !            67: newhope_reconciliation_t *newhope_reconciliation_create(int n, int32_t q);
        !            68: 
        !            69: #endif /** NEWHOPE_RECONCILIATION_H_ @}*/
        !            70: