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Nettle
nettle
Commits
7bac1598
Commit
7bac1598
authored
Jul 18, 2002
by
Niels Möller
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Rev: src/nettle/nettle-openssl.c:1.1
parent
07f9d9b5
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7bac1598
/* 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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