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//usr/include/nettle/blowfish.h

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/* blowfish.h

Blowfish block cipher.

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.

* 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/.
*/
 
#ifndef NETTLE_BLOWFISH_H_INCLUDED
#define NETTLE_BLOWFISH_H_INCLUDED

#include "nettle-types.h"

#ifdef __cplusplus
extern "C" {
#endif

/* Name mangling */
#define blowfish_set_key nettle_blowfish_set_key
#define blowfish128_set_key nettle_blowfish128_set_key
#define blowfish_encrypt nettle_blowfish_encrypt
#define blowfish_decrypt nettle_blowfish_decrypt

#define BLOWFISH_BLOCK_SIZE 8

/* Variable key size between 64 and 448 bits. */
#define BLOWFISH_MIN_KEY_SIZE 8
#define BLOWFISH_MAX_KEY_SIZE 56

/* Default to 128 bits */
#define BLOWFISH_KEY_SIZE 16

#define BLOWFISH128_KEY_SIZE 16

#define _BLOWFISH_ROUNDS 16

struct blowfish_ctx
{
  uint32_t s[4][256];
  uint32_t p[_BLOWFISH_ROUNDS+2];
};

/* Returns 0 for weak keys, otherwise 1. */
int
blowfish_set_key(struct blowfish_ctx *ctx,
                 size_t length, const uint8_t *key);
int
blowfish128_set_key(struct blowfish_ctx *ctx, const uint8_t *key);

void
blowfish_encrypt(const struct blowfish_ctx *ctx,
                 size_t length, uint8_t *dst,
                 const uint8_t *src);
void
blowfish_decrypt(const struct blowfish_ctx *ctx,
                 size_t length, uint8_t *dst,
                 const uint8_t *src);

#ifdef __cplusplus
}
#endif

#endif /* NETTLE_BLOWFISH_H_INCLUDED */

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aes.h	4.85 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
arcfour.h	1.91 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
arctwo.h	2.94 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
asn1.h	4.12 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
base16.h	3.02 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
base64.h	5.22 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
bignum.h	3.60 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
blowfish.h	2.32 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
buffer.h	2.70 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
camellia.h	4.15 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
cast128.h	2.17 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
cbc.h	2.36 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ccm.h	9.40 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
cfb.h	2.41 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
chacha-poly1305.h	2.77 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
chacha.h	2.42 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ctr.h	1.91 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
curve25519.h	1.53 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
des-compat.h	4.89 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
des.h	2.85 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
dsa-compat.h	5.14 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
dsa.h	5.65 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
eax.h	5.62 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ecc-curve.h	2.15 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ecc.h	4.68 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ecdsa.h	2.86 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
eddsa.h	3.92 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
gcm.h	10.32 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
gosthash94.h	3.28 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
hkdf.h	1.73 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
hmac.h	5.66 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
knuth-lfib.h	2.16 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
macros.h	7.14 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
md2.h	1.85 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
md4.h	1.96 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
md5-compat.h	1.55 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
md5.h	2.15 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
memops.h	1.49 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
memxor.h	415 B	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
nettle-meta.h	8.30 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
nettle-stdint.h	7.94 KB	lrw-r--r--	2021-10-08 22:11:14	Edit Download recursive recursive
nettle-types.h	3.13 KB	lrw-r--r--	2021-10-08 22:11:00	Edit Download recursive recursive
pbkdf2.h	2.38 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
pgp.h	6.19 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
pkcs1.h	3.19 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
poly1305.h	3.62 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
pss-mgf1.h	1.45 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
pss.h	1.61 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
realloc.h	1.26 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
ripemd160.h	2.24 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
rsa.h	16.81 KB	lrw-r--r--	2021-10-08 22:11:00	Edit Download recursive recursive
salsa20.h	2.91 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
serpent.h	2.94 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
sexp.h	5.83 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
sha.h	1.27 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
sha1.h	2.24 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
sha2.h	5.34 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
sha3.h	4.54 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
twofish.h	2.65 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
umac.h	6.98 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive
version.h	1.62 KB	lrw-r--r--	2021-10-08 22:11:13	Edit Download recursive recursive
yarrow.h	3.60 KB	lrw-r--r--	2018-12-04 20:56:06	Edit Download recursive recursive