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Annotation of embedaddon/strongswan/src/libstrongswan/crypto/iv/iv_gen_null.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2015 Tobias Brunner
        !             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: #include "iv_gen_null.h"
        !            17: 
        !            18: typedef struct private_iv_gen_t private_iv_gen_t;
        !            19: 
        !            20: /**
        !            21:  * Private data of an iv_gen_t object.
        !            22:  */
        !            23: struct private_iv_gen_t {
        !            24: 
        !            25:        /**
        !            26:         * Public iv_gen_t interface.
        !            27:         */
        !            28:        iv_gen_t public;
        !            29: };
        !            30: 
        !            31: METHOD(iv_gen_t, get_iv, bool,
        !            32:        private_iv_gen_t *this, uint64_t seq, size_t size, uint8_t *buffer)
        !            33: {
        !            34:        return size == 0;
        !            35: }
        !            36: 
        !            37: METHOD(iv_gen_t, allocate_iv, bool,
        !            38:        private_iv_gen_t *this, uint64_t seq, size_t size, chunk_t *chunk)
        !            39: {
        !            40:        *chunk = chunk_empty;
        !            41:        return size == 0;
        !            42: }
        !            43: 
        !            44: METHOD(iv_gen_t, destroy, void,
        !            45:        private_iv_gen_t *this)
        !            46: {
        !            47:        free(this);
        !            48: }
        !            49: 
        !            50: iv_gen_t *iv_gen_null_create()
        !            51: {
        !            52:        private_iv_gen_t *this;
        !            53: 
        !            54:        INIT(this,
        !            55:                .public = {
        !            56:                        .get_iv = _get_iv,
        !            57:                        .allocate_iv = _allocate_iv,
        !            58:                        .destroy = _destroy,
        !            59:                },
        !            60:        );
        !            61: 
        !            62:        return &this->public;
        !            63: }