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/*
* Copyright (C) 2015 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/*
* @ingroup sys_crypto
* @{
* @file ciphers.c
* @author Nico von Geyso <nico.geyso@fu-berlin.de>
* @}
*/
#include <string.h>
#include <stdio.h>
#include "crypto/ciphers.h"
int cipher_init(cipher_t* cipher, cipher_id_t cipher_id, const uint8_t* key,
uint8_t key_size)
{
if (key_size > cipher_id->max_key_size) {
return CIPHER_ERR_INVALID_KEY_SIZE;
}
cipher->interface = cipher_id;
return cipher->interface->init(&cipher->context, key, key_size);
}
int cipher_encrypt(const cipher_t* cipher, const uint8_t* input, uint8_t* output)
{
return cipher->interface->encrypt(&cipher->context, input, output);
}
int cipher_decrypt(const cipher_t* cipher, const uint8_t* input, uint8_t* output)
{
return cipher->interface->decrypt(&cipher->context, input, output);
}
int cipher_get_block_size(const cipher_t* cipher)
{
return cipher->interface->block_size;
}