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

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2014 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_private_key ntru_private_key
        !            18:  * @{ @ingroup ntru_p
        !            19:  */
        !            20: 
        !            21: #ifndef NTRU_PRIVATE_KEY_H_
        !            22: #define NTRU_PRIVATE_KEY_H_
        !            23: 
        !            24: typedef struct ntru_private_key_t ntru_private_key_t;
        !            25: 
        !            26: #include "ntru_param_set.h"
        !            27: #include "ntru_public_key.h"
        !            28: 
        !            29: #include <library.h>
        !            30: #include <crypto/drbgs/drbg.h>
        !            31: 
        !            32: /**
        !            33:  * Implements an NTRU encryption public/private key pair
        !            34:  */
        !            35: struct ntru_private_key_t {
        !            36: 
        !            37:        /**
        !            38:         * Returns NTRU parameter set ID of the private key
        !            39:         *
        !            40:         * @return                      NTRU parameter set ID
        !            41:         */
        !            42:        ntru_param_set_id_t (*get_id)(ntru_private_key_t *this);
        !            43: 
        !            44:        /**
        !            45:         * Returns the NTRU encryption public key as an encoded binary blob
        !            46:         *
        !            47:         * @return                              NTRU encryption public key (must be freed after use)
        !            48:         */
        !            49:        ntru_public_key_t* (*get_public_key)(ntru_private_key_t *this);
        !            50: 
        !            51:        /**
        !            52:         * Returns the packed encoding of the NTRU encryption private key
        !            53:         *
        !            54:         * @return                              Packed encoding of NTRU encryption private key
        !            55:         */
        !            56:        chunk_t (*get_encoding)(ntru_private_key_t *this);
        !            57: 
        !            58:        /**
        !            59:         * Decrypts an NTRU ciphertext
        !            60:         *
        !            61:         * @param ciphertext    NTRU Ciphertext
        !            62:         * @param plaintext             Plaintext
        !            63:         * @return                              TRUE if decryption was successful
        !            64:         */
        !            65:        bool (*decrypt)(ntru_private_key_t *this, chunk_t ciphertext,
        !            66:                                        chunk_t *plaintext);
        !            67: 
        !            68:        /**
        !            69:         * Destroy ntru_private_key_t object
        !            70:         */
        !            71:        void (*destroy)(ntru_private_key_t *this);
        !            72: };
        !            73: 
        !            74: /**
        !            75:  * Creates an NTRU encryption public/private key pair using a NIST DRBG
        !            76:  *
        !            77:  * @param drbg                 Digital Random Bit Generator used for key generation
        !            78:  * @param params               NTRU encryption parameter set to be used
        !            79:  */
        !            80: ntru_private_key_t *ntru_private_key_create(drbg_t *drbg,
        !            81:                                                                                        const ntru_param_set_t *params);
        !            82: 
        !            83: /**
        !            84:  * Creates an NTRU encryption private key from encoding
        !            85:  *
        !            86:  * @param drbg                 Deterministic random bit generator
        !            87:  * @param data                 Encoded NTRU private key
        !            88:  */
        !            89: ntru_private_key_t *ntru_private_key_create_from_data(drbg_t *drbg,
        !            90:                                                                                                          chunk_t data);
        !            91: 
        !            92: #endif /** NTRU_PRIVATE_KEY_H_ @}*/
        !            93: