67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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* Copyright (C) 2015 Martin Willi
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* Copyright (C) 2015 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup curve25519_drv curve25519_drv
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* @{ @ingroup curve25519
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*/
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#ifndef CURVE25519_DRV_H_
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#define CURVE25519_DRV_H_
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typedef struct curve25519_drv_t curve25519_drv_t;
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#include <library.h>
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/**
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* Private key size of Curve25519
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*/
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#define CURVE25519_KEY_SIZE 32
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/**
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* Backend driver abstraction for Curve25519.
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*/
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struct curve25519_drv_t {
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/**
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* Set the private key.
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*
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* @param key 32 byte private key, clamped
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* @return TRUE if key set
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*/
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bool (*set_key)(curve25519_drv_t *this, u_char *key);
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/**
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* Calculate Curve25519 for the set key.
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*
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* @param in input data, 32 bytes
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* @param out output data, 32 bytes
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* @return TRUE if calculated
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*/
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bool (*curve25519)(curve25519_drv_t *this, u_char *in, u_char *out);
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/**
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* Destroy a curve25519_drv_t.
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*/
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void (*destroy)(curve25519_drv_t *this);
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};
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/**
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* Create a curve25519_drv instance.
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*/
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curve25519_drv_t *curve25519_drv_probe();
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#endif /** CURVE25519_DRV_H_ @}*/
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