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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/curve25519/curve25519_drv.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2015 Martin Willi
                      3:  * Copyright (C) 2015 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 curve25519_drv curve25519_drv
                     18:  * @{ @ingroup curve25519_p
                     19:  */
                     20: 
                     21: #ifndef CURVE25519_DRV_H_
                     22: #define CURVE25519_DRV_H_
                     23: 
                     24: typedef struct curve25519_drv_t curve25519_drv_t;
                     25: 
                     26: #include <library.h>
                     27: 
                     28: /**
                     29:  * Private key size of Curve25519
                     30:  */
                     31: #define CURVE25519_KEY_SIZE 32
                     32: 
                     33: /**
                     34:  * Backend driver abstraction for Curve25519.
                     35:  */
                     36: struct curve25519_drv_t {
                     37: 
                     38:        /**
                     39:         * Set the private key.
                     40:         *
                     41:         * @param key           32 byte private key, clamped
                     42:         * @return                      TRUE if key set
                     43:         */
                     44:        bool (*set_key)(curve25519_drv_t *this, u_char *key);
                     45: 
                     46:        /**
                     47:         * Calculate Curve25519 for the set key.
                     48:         *
                     49:         * @param in            input data, 32 bytes
                     50:         * @param out           output data, 32 bytes
                     51:         * @return                      TRUE if calculated
                     52:         */
                     53:        bool (*curve25519)(curve25519_drv_t *this, u_char *in, u_char *out);
                     54: 
                     55:        /**
                     56:         * Destroy a curve25519_drv_t.
                     57:         */
                     58:        void (*destroy)(curve25519_drv_t *this);
                     59: };
                     60: 
                     61: /**
                     62:  * Create a curve25519_drv instance.
                     63:  */
                     64: curve25519_drv_t *curve25519_drv_probe();
                     65: 
                     66: #endif /** CURVE25519_DRV_H_ @}*/