Commit 1f8717d3 authored by Niels Möller's avatar Niels Möller

(libnettle_a_SOURCES): Added serpent files.

Rev: src/nettle/
Rev: src/nettle/serpent.c:1.1
Rev: src/nettle/serpent.h:1.1
Rev: src/nettle/serpent_sboxes.h:1.1
parent 072dd6ef
......@@ -8,7 +8,8 @@ lib_LIBRARIES = libnettle.a
libnettleinclude_HEADERS = aes.h arcfour.h des.h md5.h sha1.h
libnettle_a_SOURCES = aes.c aes.h arcfour.c arcfour.h des.c des.h \
md5.c md5.h sha1.c sha1.h
md5.c md5.h sha1.c sha1.h \
serpent.c serpent.h serpent_sboxes.h
libnettle_a_LIBADD = @LIBOBJS@
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/* serpent.h
* The serpent block cipher.
/* nettle, low-level cryptographics library
* Copyright (C) 2001 Niels Möller
* 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 GNU MP 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 GNU MP 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.
/* Serpent is a 128-bit block cipher that accepts a key size of 256
* bits, designed by Ross Anderson, Eli Biham, and Lars Knudsen. See
* for details.
#include <stdint.h>
/* Other key lengths are possible, but we only use 256 bits. Besides, the
design of Serpent makes other key lengths useless; they cheated with the
AES requirements, using a 256-bit key length exclusively and just padding
it out if the desired key length was less, so there really is no advantage
to using key lengths less than 256 bits. */
/* Allow keys of size 128 <= bits <= 256 */
struct serpent_ctx
uint32_t keys[33][4]; /* key schedule */
serpent_set_key(struct serpent_ctx *ctx,
unsigned length, const uint8_t *key);
serpent_encrypt(struct aes_ctx *ctx,
unsigned length, uint8_t *dst,
const uint8_t *src);
serpent_decrypt(struct aes_ctx *ctx,
unsigned length, uint8_t *dst,
const uint8_t *src);
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