Commit 7bac1598 authored by Niels Möller's avatar Niels Möller

New file.

Rev: src/nettle/nettle-openssl.c:1.1
parent 07f9d9b5
/* nettle-openssl.c
*
* Glue that's used only by the benchmark, and subject to change.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2002 Niels Mller
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The nettle library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
/* Openssl glue, for comparative benchmarking only */
#if HAVE_LIBCRYPTO
#include "nettle-internal.h"
#include <openssl/blowfish.h>
#include <openssl/des.h>
#include <openssl/cast.h>
#include <assert.h>
/* Blowfish */
static void
openssl_bf_set_key(void *ctx, unsigned length, const uint8_t *key)
{
BF_set_key(ctx, length, key);
}
static void
openssl_bf_encrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % BF_BLOCK));
while (length)
{
BF_ecb_encrypt(src, dst, ctx, BF_ENCRYPT);
length -= BF_BLOCK;
dst += BF_BLOCK;
src += BF_BLOCK;
}
}
static void
openssl_bf_decrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % BF_BLOCK));
while (length)
{
BF_ecb_encrypt(src, dst, ctx, BF_DECRYPT);
length -= BF_BLOCK;
dst += BF_BLOCK;
src += BF_BLOCK;
}
}
const struct nettle_cipher
nettle_openssl_blowfish128 = {
"openssl bf128", sizeof(BF_KEY),
/* Claim no block size, so that the benchmark doesn't try CBC mode
* (as openssl cipher + nettle cbc is somewhat pointless to
* benchmark). */
0, 16,
openssl_bf_set_key, openssl_bf_set_key,
openssl_bf_encrypt, openssl_bf_decrypt
};
/* DES */
static void
openssl_des_set_key(void *ctx, unsigned length, const uint8_t *key)
{
assert(length == 8);
des_key_sched((char *) key, ctx);
}
#define DES_BLOCK_SIZE 8
static void
openssl_des_encrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % DES_BLOCK_SIZE));
while (length)
{
des_ecb_encrypt((char *) src, (char *) dst, ctx, DES_ENCRYPT);
length -= DES_BLOCK_SIZE;
dst += DES_BLOCK_SIZE;
src += DES_BLOCK_SIZE;
}
}
static void
openssl_des_decrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % DES_BLOCK_SIZE));
while (length)
{
des_ecb_encrypt((char *) src, (char *) dst, ctx, DES_DECRYPT);
length -= DES_BLOCK_SIZE;
dst += DES_BLOCK_SIZE;
src += DES_BLOCK_SIZE;
}
}
const struct nettle_cipher
nettle_openssl_des = {
"openssl des", sizeof(des_key_schedule),
/* Claim no block size, so that the benchmark doesn't try CBC mode
* (as openssl cipher + nettle cbc is somewhat pointless to
* benchmark). */
0, 8,
openssl_des_set_key, openssl_des_set_key,
openssl_des_encrypt, openssl_des_decrypt
};
/* Cast128 */
static void
openssl_cast_set_key(void *ctx, unsigned length, const uint8_t *key)
{
CAST_set_key(ctx, length, key);
}
static void
openssl_cast_encrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % CAST_BLOCK));
while (length)
{
CAST_ecb_encrypt(src, dst, ctx, CAST_ENCRYPT);
length -= CAST_BLOCK;
dst += CAST_BLOCK;
src += CAST_BLOCK;
}
}
static void
openssl_cast_decrypt(void *ctx, unsigned length,
uint8_t *dst, const uint8_t *src)
{
assert (!(length % CAST_BLOCK));
while (length)
{
CAST_ecb_encrypt(src, dst, ctx, CAST_DECRYPT);
length -= CAST_BLOCK;
dst += CAST_BLOCK;
src += CAST_BLOCK;
}
}
const struct nettle_cipher
nettle_openssl_cast128 = {
"openssl cast128", sizeof(CAST_KEY),
/* Claim no block size, so that the benchmark doesn't try CBC mode
* (as openssl cipher + nettle cbc is somewhat pointless to
* benchmark). */
0, CAST_KEY_LENGTH,
openssl_cast_set_key, openssl_cast_set_key,
openssl_cast_encrypt, openssl_cast_decrypt
};
#endif /* HAVE_LIBCRYPTO */
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