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aes.h	4.85 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
arcfour.h	1.91 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
arctwo.h	2.94 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
asn1.h	4.12 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
base16.h	3.02 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
base64.h	5.22 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
bignum.h	3.6 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
blowfish.h	2.32 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
buffer.h	2.7 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
camellia.h	4.15 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
cast128.h	2.17 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
cbc.h	2.36 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ccm.h	9.4 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
cfb.h	2.41 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
chacha-poly1305.h	2.77 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
chacha.h	2.42 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ctr.h	1.91 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
curve25519.h	1.53 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
des-compat.h	4.89 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
des.h	2.85 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
dsa-compat.h	5.14 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
dsa.h	5.65 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
eax.h	5.62 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ecc-curve.h	2.15 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ecc.h	4.68 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ecdsa.h	2.86 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
eddsa.h	3.92 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
gcm.h	10.32 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
gosthash94.h	3.28 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
hkdf.h	1.73 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
hmac.h	5.66 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
knuth-lfib.h	2.16 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
macros.h	7.14 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
md2.h	1.85 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
md4.h	1.96 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
md5-compat.h	1.55 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
md5.h	2.15 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
memops.h	1.49 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
memxor.h	415 B	-rw-r--r--	2018-12-04 20:56:06	Edit Del
nettle-meta.h	8.3 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
nettle-stdint.h	7.94 KB	-rw-r--r--	2021-10-13 19:52:25	Edit Del
nettle-types.h	3.13 KB	-rw-r--r--	2021-10-13 19:52:22	Edit Del
pbkdf2.h	2.38 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
pgp.h	6.19 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
pkcs1.h	3.19 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
poly1305.h	3.62 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
pss-mgf1.h	1.45 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
pss.h	1.61 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
realloc.h	1.26 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
ripemd160.h	2.24 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
rsa.h	16.81 KB	-rw-r--r--	2021-10-13 19:52:22	Edit Del
salsa20.h	2.91 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
serpent.h	2.94 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
sexp.h	5.83 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
sha.h	1.27 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
sha1.h	2.24 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
sha2.h	5.34 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
sha3.h	4.54 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
twofish.h	2.65 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
umac.h	6.98 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del
version.h	1.62 KB	-rw-r--r--	2021-10-13 19:52:25	Edit Del
yarrow.h	3.6 KB	-rw-r--r--	2018-12-04 20:56:06	Edit Del

Editing: des.h (2.85 KB)

/* des.h

   The des block cipher. And triple des.

   Copyright (C) 1992 Dana L. How
   Copyright (C) 2001 Niels Möller

   This file is part of GNU Nettle.

   GNU Nettle is free software: you can redistribute it and/or
   modify it under the terms of either:

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at your
       option) any later version.

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at your
       option) any later version.

   or both in parallel, as here.

   GNU Nettle 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
   General Public License for more details.

   You should have received copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see http://www.gnu.org/licenses/.
*/

/*
 *	des - fast & portable DES encryption & decryption.
 *	Copyright (C) 1992  Dana L. How
 *	Please see the file `../lib/descore.README' for the complete copyright
 *	notice.
 *
 * Slightly edited by Niels Möller, 1997
 */

#ifndef NETTLE_DES_H_INCLUDED
#define NETTLE_DES_H_INCLUDED

#include "nettle-types.h"

#ifdef __cplusplus
extern "C" {
#endif

/* Namespace mangling */
#define des_set_key nettle_des_set_key
#define des_encrypt nettle_des_encrypt
#define des_decrypt nettle_des_decrypt
#define des_check_parity nettle_des_check_parity
#define des_fix_parity nettle_des_fix_parity
#define des3_set_key nettle_des3_set_key
#define des3_encrypt nettle_des3_encrypt
#define des3_decrypt nettle_des3_decrypt

#define DES_KEY_SIZE 8
#define DES_BLOCK_SIZE 8

/* Expanded key length */
#define _DES_KEY_LENGTH 32

struct des_ctx
{
  uint32_t key[_DES_KEY_LENGTH];
};

/* Returns 1 for good keys and 0 for weak keys. */
int
des_set_key(struct des_ctx *ctx, const uint8_t *key);

void
des_encrypt(const struct des_ctx *ctx,
	    size_t length, uint8_t *dst,
	    const uint8_t *src);
void
des_decrypt(const struct des_ctx *ctx,
	    size_t length, uint8_t *dst,
	    const uint8_t *src);

int
des_check_parity(size_t length, const uint8_t *key);

void
des_fix_parity(size_t length, uint8_t *dst,
	       const uint8_t *src);

#define DES3_KEY_SIZE 24
#define DES3_BLOCK_SIZE DES_BLOCK_SIZE

struct des3_ctx
{
  struct des_ctx des[3];
};


/* Returns 1 for good keys and 0 for weak keys. */
int
des3_set_key(struct des3_ctx *ctx, const uint8_t *key);

void
des3_encrypt(const struct des3_ctx *ctx,
	     size_t length, uint8_t *dst,
	     const uint8_t *src);
void
des3_decrypt(const struct des3_ctx *ctx,
	     size_t length, uint8_t *dst,
	     const uint8_t *src);

#ifdef __cplusplus
}
#endif

#endif /* NETTLE_DES_H_INCLUDED */