external: Add OpenSSH bcrypt and blowfish implementation
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Этот коммит содержится в:
Aris Adamantiadis
Andreas Schneider
родитель
c02b260e7e
Коммит
61e2c8f0f7
87
include/libssh/blf.h
Обычный файл
87
include/libssh/blf.h
Обычный файл
@ -0,0 +1,87 @@
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/* $OpenBSD: blf.h,v 1.7 2007/03/14 17:59:41 grunk Exp $ */
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/*
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* Blowfish - a fast block cipher designed by Bruce Schneier
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*
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* Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
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* All rights reserved.
|
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*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Niels Provos.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _BLF_H_
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#define _BLF_H_
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//#include "includes.h"
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#if !defined(HAVE_BCRYPT_PBKDF) && !defined(HAVE_BLH_H)
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/* Schneier specifies a maximum key length of 56 bytes.
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* This ensures that every key bit affects every cipher
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* bit. However, the subkeys can hold up to 72 bytes.
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* Warning: For normal blowfish encryption only 56 bytes
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* of the key affect all cipherbits.
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*/
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#define BLF_N 16 /* Number of Subkeys */
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#define BLF_MAXKEYLEN ((BLF_N-2)*4) /* 448 bits */
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#define BLF_MAXUTILIZED ((BLF_N+2)*4) /* 576 bits */
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/* Blowfish context */
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typedef struct BlowfishContext {
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u_int32_t S[4][256]; /* S-Boxes */
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u_int32_t P[BLF_N + 2]; /* Subkeys */
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} blf_ctx;
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/* Raw access to customized Blowfish
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* blf_key is just:
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* Blowfish_initstate( state )
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* Blowfish_expand0state( state, key, keylen )
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*/
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void Blowfish_encipher(blf_ctx *, u_int32_t *, u_int32_t *);
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void Blowfish_decipher(blf_ctx *, u_int32_t *, u_int32_t *);
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void Blowfish_initstate(blf_ctx *);
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void Blowfish_expand0state(blf_ctx *, const u_int8_t *, u_int16_t);
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void Blowfish_expandstate
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(blf_ctx *, const u_int8_t *, u_int16_t, const u_int8_t *, u_int16_t);
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/* Standard Blowfish */
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void blf_key(blf_ctx *, const u_int8_t *, u_int16_t);
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void blf_enc(blf_ctx *, u_int32_t *, u_int16_t);
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void blf_dec(blf_ctx *, u_int32_t *, u_int16_t);
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void blf_ecb_encrypt(blf_ctx *, u_int8_t *, u_int32_t);
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void blf_ecb_decrypt(blf_ctx *, u_int8_t *, u_int32_t);
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void blf_cbc_encrypt(blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t);
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void blf_cbc_decrypt(blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t);
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/* Converts u_int8_t to u_int32_t */
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u_int32_t Blowfish_stream2word(const u_int8_t *, u_int16_t , u_int16_t *);
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#endif /* !defined(HAVE_BCRYPT_PBKDF) && !defined(HAVE_BLH_H) */
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#endif /* _BLF_H */
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@ -21,6 +21,11 @@
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#ifndef PKI_PRIV_H_
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#define PKI_PRIV_H_
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#include "libssh/pki.h"
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/* defined in bcrypt_pbkdf.c */
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int bcrypt_pbkdf(const char *pass, size_t passlen, const u_int8_t *salt,
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size_t saltlen, u_int8_t *key, size_t keylen, unsigned int rounds);
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#define RSA_HEADER_BEGIN "-----BEGIN RSA PRIVATE KEY-----"
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#define RSA_HEADER_END "-----END RSA PRIVATE KEY-----"
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#define DSA_HEADER_BEGIN "-----BEGIN DSA PRIVATE KEY-----"
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@ -149,6 +149,8 @@ set(libssh_SRCS
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string.c
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threads.c
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wrapper.c
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external/bcrypt_pbkdf.c
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external/blowfish.c
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)
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if (WITH_GCRYPT)
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174
src/external/bcrypt_pbkdf.c
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174
src/external/bcrypt_pbkdf.c
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@ -0,0 +1,174 @@
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/* $OpenBSD: bcrypt_pbkdf.c,v 1.4 2013/07/29 00:55:53 tedu Exp $ */
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/*
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* Copyright (c) 2013 Ted Unangst <tedu@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//#include "includes.h"
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#ifndef HAVE_BCRYPT_PBKDF
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#include "libssh/priv.h"
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#include "libssh/wrapper.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include "libssh/blf.h"
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#include "libssh/pki_priv.h"
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#ifndef SHA512_DIGEST_LENGTH
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#define SHA512_DIGEST_LENGTH SHA512_DIGEST_LEN
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#endif
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/*
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* pkcs #5 pbkdf2 implementation using the "bcrypt" hash
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*
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* The bcrypt hash function is derived from the bcrypt password hashing
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* function with the following modifications:
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* 1. The input password and salt are preprocessed with SHA512.
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* 2. The output length is expanded to 256 bits.
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* 3. Subsequently the magic string to be encrypted is lengthened and modifed
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* to "OxychromaticBlowfishSwatDynamite"
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* 4. The hash function is defined to perform 64 rounds of initial state
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* expansion. (More rounds are performed by iterating the hash.)
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*
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* Note that this implementation pulls the SHA512 operations into the caller
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* as a performance optimization.
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*
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* One modification from official pbkdf2. Instead of outputting key material
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* linearly, we mix it. pbkdf2 has a known weakness where if one uses it to
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* generate (i.e.) 512 bits of key material for use as two 256 bit keys, an
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* attacker can merely run once through the outer loop below, but the user
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* always runs it twice. Shuffling output bytes requires computing the
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* entirety of the key material to assemble any subkey. This is something a
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* wise caller could do; we just do it for you.
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*/
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#define BCRYPT_BLOCKS 8
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#define BCRYPT_HASHSIZE (BCRYPT_BLOCKS * 4)
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static void
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bcrypt_hash(u_int8_t *sha2pass, u_int8_t *sha2salt, u_int8_t *out)
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{
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blf_ctx state;
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u_int8_t ciphertext[BCRYPT_HASHSIZE] =
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"OxychromaticBlowfishSwatDynamite";
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uint32_t cdata[BCRYPT_BLOCKS];
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int i;
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uint16_t j;
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size_t shalen = SHA512_DIGEST_LENGTH;
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/* key expansion */
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Blowfish_initstate(&state);
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Blowfish_expandstate(&state, sha2salt, shalen, sha2pass, shalen);
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for (i = 0; i < 64; i++) {
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Blowfish_expand0state(&state, sha2salt, shalen);
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Blowfish_expand0state(&state, sha2pass, shalen);
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}
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/* encryption */
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j = 0;
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for (i = 0; i < BCRYPT_BLOCKS; i++)
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cdata[i] = Blowfish_stream2word(ciphertext, sizeof(ciphertext),
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&j);
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for (i = 0; i < 64; i++)
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blf_enc(&state, cdata, sizeof(cdata) / sizeof(uint64_t));
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/* copy out */
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for (i = 0; i < BCRYPT_BLOCKS; i++) {
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out[4 * i + 3] = (cdata[i] >> 24) & 0xff;
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out[4 * i + 2] = (cdata[i] >> 16) & 0xff;
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out[4 * i + 1] = (cdata[i] >> 8) & 0xff;
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out[4 * i + 0] = cdata[i] & 0xff;
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}
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/* zap */
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memset(ciphertext, 0, sizeof(ciphertext));
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memset(cdata, 0, sizeof(cdata));
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memset(&state, 0, sizeof(state));
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}
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int
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bcrypt_pbkdf(const char *pass, size_t passlen, const u_int8_t *salt, size_t saltlen,
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u_int8_t *key, size_t keylen, unsigned int rounds)
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{
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u_int8_t sha2pass[SHA512_DIGEST_LENGTH];
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u_int8_t sha2salt[SHA512_DIGEST_LENGTH];
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u_int8_t out[BCRYPT_HASHSIZE];
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u_int8_t tmpout[BCRYPT_HASHSIZE];
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u_int8_t *countsalt;
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size_t i, j, amt, stride;
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uint32_t count;
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SHA512CTX ctx;
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/* nothing crazy */
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if (rounds < 1)
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return -1;
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if (passlen == 0 || saltlen == 0 || keylen == 0 ||
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keylen > sizeof(out) * sizeof(out) || saltlen > 1<<20)
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return -1;
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if ((countsalt = calloc(1, saltlen + 4)) == NULL)
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return -1;
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stride = (keylen + sizeof(out) - 1) / sizeof(out);
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amt = (keylen + stride - 1) / stride;
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memcpy(countsalt, salt, saltlen);
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/* collapse password */
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ctx = sha512_init();
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sha512_update(ctx, pass, passlen);
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sha512_final(sha2pass, ctx);
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/* generate key, sizeof(out) at a time */
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for (count = 1; keylen > 0; count++) {
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countsalt[saltlen + 0] = (count >> 24) & 0xff;
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countsalt[saltlen + 1] = (count >> 16) & 0xff;
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countsalt[saltlen + 2] = (count >> 8) & 0xff;
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countsalt[saltlen + 3] = count & 0xff;
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/* first round, salt is salt */
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ctx = sha512_init();
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sha512_update(ctx, countsalt, saltlen + 4);
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sha512_final(sha2salt, ctx);
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bcrypt_hash(sha2pass, sha2salt, tmpout);
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memcpy(out, tmpout, sizeof(out));
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for (i = 1; i < rounds; i++) {
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/* subsequent rounds, salt is previous output */
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ctx = sha512_init();
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sha512_update(ctx, tmpout, sizeof(tmpout));
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sha512_final(sha2salt, ctx);
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bcrypt_hash(sha2pass, sha2salt, tmpout);
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for (j = 0; j < sizeof(out); j++)
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out[j] ^= tmpout[j];
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}
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/*
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* pbkdf2 deviation: ouput the key material non-linearly.
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*/
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amt = MIN(amt, keylen);
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for (i = 0; i < amt; i++)
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key[i * stride + (count - 1)] = out[i];
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keylen -= amt;
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}
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/* zap */
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memset(out, 0, sizeof(out));
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memset(countsalt, 0, saltlen + 4);
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free(countsalt);
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return 0;
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}
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#endif /* HAVE_BCRYPT_PBKDF */
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692
src/external/blowfish.c
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692
src/external/blowfish.c
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/* $OpenBSD: blowfish.c,v 1.18 2004/11/02 17:23:26 hshoexer Exp $ */
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/*
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* Blowfish block cipher for OpenBSD
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* Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
|
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* All rights reserved.
|
||||
*
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* Implementation advice by David Mazieres <dm@lcs.mit.edu>.
|
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*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Niels Provos.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*
|
||||
* This code is derived from section 14.3 and the given source
|
||||
* in section V of Applied Cryptography, second edition.
|
||||
* Blowfish is an unpatented fast block cipher designed by
|
||||
* Bruce Schneier.
|
||||
*/
|
||||
|
||||
|
||||
#if !defined(HAVE_BCRYPT_PBKDF) && (!defined(HAVE_BLOWFISH_INITSTATE) || \
|
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!defined(HAVE_BLOWFISH_EXPAND0STATE) || !defined(HAVE_BLF_ENC))
|
||||
|
||||
#if 0
|
||||
#include <stdio.h> /* used for debugging */
|
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#include <string.h>
|
||||
#endif
|
||||
|
||||
#include <sys/types.h>
|
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#include "libssh/blf.h"
|
||||
|
||||
#undef inline
|
||||
#ifdef __GNUC__
|
||||
#define inline __inline
|
||||
#else /* !__GNUC__ */
|
||||
#define inline
|
||||
#endif /* !__GNUC__ */
|
||||
|
||||
/* Function for Feistel Networks */
|
||||
|
||||
#define F(s, x) ((((s)[ (((x)>>24)&0xFF)] \
|
||||
+ (s)[0x100 + (((x)>>16)&0xFF)]) \
|
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^ (s)[0x200 + (((x)>> 8)&0xFF)]) \
|
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+ (s)[0x300 + ( (x) &0xFF)])
|
||||
|
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#define BLFRND(s,p,i,j,n) (i ^= F(s,j) ^ (p)[n])
|
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|
||||
void
|
||||
Blowfish_encipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr)
|
||||
{
|
||||
u_int32_t Xl;
|
||||
u_int32_t Xr;
|
||||
u_int32_t *s = c->S[0];
|
||||
u_int32_t *p = c->P;
|
||||
|
||||
Xl = *xl;
|
||||
Xr = *xr;
|
||||
|
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Xl ^= p[0];
|
||||
BLFRND(s, p, Xr, Xl, 1); BLFRND(s, p, Xl, Xr, 2);
|
||||
BLFRND(s, p, Xr, Xl, 3); BLFRND(s, p, Xl, Xr, 4);
|
||||
BLFRND(s, p, Xr, Xl, 5); BLFRND(s, p, Xl, Xr, 6);
|
||||
BLFRND(s, p, Xr, Xl, 7); BLFRND(s, p, Xl, Xr, 8);
|
||||
BLFRND(s, p, Xr, Xl, 9); BLFRND(s, p, Xl, Xr, 10);
|
||||
BLFRND(s, p, Xr, Xl, 11); BLFRND(s, p, Xl, Xr, 12);
|
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BLFRND(s, p, Xr, Xl, 13); BLFRND(s, p, Xl, Xr, 14);
|
||||
BLFRND(s, p, Xr, Xl, 15); BLFRND(s, p, Xl, Xr, 16);
|
||||
|
||||
*xl = Xr ^ p[17];
|
||||
*xr = Xl;
|
||||
}
|
||||
|
||||
void
|
||||
Blowfish_decipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr)
|
||||
{
|
||||
u_int32_t Xl;
|
||||
u_int32_t Xr;
|
||||
u_int32_t *s = c->S[0];
|
||||
u_int32_t *p = c->P;
|
||||
|
||||
Xl = *xl;
|
||||
Xr = *xr;
|
||||
|
||||
Xl ^= p[17];
|
||||
BLFRND(s, p, Xr, Xl, 16); BLFRND(s, p, Xl, Xr, 15);
|
||||
BLFRND(s, p, Xr, Xl, 14); BLFRND(s, p, Xl, Xr, 13);
|
||||
BLFRND(s, p, Xr, Xl, 12); BLFRND(s, p, Xl, Xr, 11);
|
||||
BLFRND(s, p, Xr, Xl, 10); BLFRND(s, p, Xl, Xr, 9);
|
||||
BLFRND(s, p, Xr, Xl, 8); BLFRND(s, p, Xl, Xr, 7);
|
||||
BLFRND(s, p, Xr, Xl, 6); BLFRND(s, p, Xl, Xr, 5);
|
||||
BLFRND(s, p, Xr, Xl, 4); BLFRND(s, p, Xl, Xr, 3);
|
||||
BLFRND(s, p, Xr, Xl, 2); BLFRND(s, p, Xl, Xr, 1);
|
||||
|
||||
*xl = Xr ^ p[0];
|
||||
*xr = Xl;
|
||||
}
|
||||
|
||||
void
|
||||
Blowfish_initstate(blf_ctx *c)
|
||||
{
|
||||
/* P-box and S-box tables initialized with digits of Pi */
|
||||
|
||||
static const blf_ctx initstate =
|
||||
{ {
|
||||
{
|
||||
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
|
||||
0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
|
||||
0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
|
||||
0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
|
||||
0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
|
||||
0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
|
||||
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
|
||||
0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
|
||||
0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
|
||||
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
|
||||
0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
|
||||
0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
|
||||
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
|
||||
0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
|
||||
0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
|
||||
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
|
||||
0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
|
||||
0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
|
||||
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
|
||||
0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
|
||||
0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
|
||||
0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
|
||||
0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
|
||||
0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
|
||||
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
|
||||
0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
|
||||
0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
|
||||
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
|
||||
0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
|
||||
0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
|
||||
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
|
||||
0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
|
||||
0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
|
||||
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
|
||||
0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
|
||||
0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
|
||||
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
|
||||
0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
|
||||
0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
|
||||
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
|
||||
0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
|
||||
0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
|
||||
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
|
||||
0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
|
||||
0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
|
||||
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
|
||||
0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
|
||||
0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
|
||||
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
|
||||
0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
|
||||
0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
|
||||
0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
|
||||
0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
|
||||
0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
|
||||
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
|
||||
0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
|
||||
0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
|
||||
0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
|
||||
0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
|
||||
0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
|
||||
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
|
||||
0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
|
||||
0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
|
||||
0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a},
|
||||
{
|
||||
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
|
||||
0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
|
||||
0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
|
||||
0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
|
||||
0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
|
||||
0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
|
||||
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
|
||||
0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
|
||||
0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
|
||||
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
|
||||
0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
|
||||
0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
|
||||
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
|
||||
0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
|
||||
0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
|
||||
0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
|
||||
0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
|
||||
0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
|
||||
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
|
||||
0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
|
||||
0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
|
||||
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
|
||||
0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
|
||||
0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
|
||||
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
|
||||
0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
|
||||
0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
|
||||
0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
|
||||
0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
|
||||
0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
|
||||
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
|
||||
0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
|
||||
0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
|
||||
0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
|
||||
0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
|
||||
0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
|
||||
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
|
||||
0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
|
||||
0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
|
||||
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
|
||||
0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
|
||||
0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
|
||||
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
|
||||
0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
|
||||
0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
|
||||
0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
|
||||
0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
|
||||
0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
|
||||
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
|
||||
0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
|
||||
0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
|
||||
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
|
||||
0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
|
||||
0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
|
||||
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
|
||||
0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
|
||||
0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
|
||||
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
|
||||
0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
|
||||
0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
|
||||
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
|
||||
0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
|
||||
0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
|
||||
0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7},
|
||||
{
|
||||
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
|
||||
0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
|
||||
0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
|
||||
0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
|
||||
0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
|
||||
0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
|
||||
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
|
||||
0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
|
||||
0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
|
||||
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
|
||||
0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
|
||||
0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
|
||||
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
|
||||
0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
|
||||
0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
|
||||
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
|
||||
0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
|
||||
0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
|
||||
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
|
||||
0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
|
||||
0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
|
||||
0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
|
||||
0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
|
||||
0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
|
||||
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
|
||||
0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
|
||||
0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
|
||||
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
|
||||
0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
|
||||
0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
|
||||
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
|
||||
0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
|
||||
0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
|
||||
0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
|
||||
0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
|
||||
0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
|
||||
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
|
||||
0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
|
||||
0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
|
||||
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
|
||||
0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
|
||||
0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
|
||||
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
|
||||
0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
|
||||
0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
|
||||
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
|
||||
0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
|
||||
0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
|
||||
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
|
||||
0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
|
||||
0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
|
||||
0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
|
||||
0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
|
||||
0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
|
||||
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
|
||||
0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
|
||||
0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
|
||||
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
|
||||
0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
|
||||
0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
|
||||
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
|
||||
0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
|
||||
0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
|
||||
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0},
|
||||
{
|
||||
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
|
||||
0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
|
||||
0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
|
||||
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
|
||||
0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
|
||||
0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
|
||||
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
|
||||
0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
|
||||
0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
|
||||
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
|
||||
0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
|
||||
0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
|
||||
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
|
||||
0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
|
||||
0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
|
||||
0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
|
||||
0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
|
||||
0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
|
||||
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
|
||||
0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
|
||||
0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
|
||||
0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
|
||||
0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
|
||||
0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
|
||||
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
|
||||
0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
|
||||
0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
|
||||
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
|
||||
0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
|
||||
0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
|
||||
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
|
||||
0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
|
||||
0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
|
||||
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
|
||||
0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
|
||||
0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
|
||||
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
|
||||
0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
|
||||
0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
|
||||
0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
|
||||
0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
|
||||
0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
|
||||
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
|
||||
0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
|
||||
0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
|
||||
0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
|
||||
0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
|
||||
0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
|
||||
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
|
||||
0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
|
||||
0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
|
||||
0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
|
||||
0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
|
||||
0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
|
||||
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
|
||||
0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
|
||||
0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
|
||||
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
|
||||
0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
|
||||
0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
|
||||
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
|
||||
0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
|
||||
0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
|
||||
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6}
|
||||
},
|
||||
{
|
||||
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
|
||||
0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
|
||||
0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
|
||||
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
|
||||
0x9216d5d9, 0x8979fb1b
|
||||
} };
|
||||
|
||||
*c = initstate;
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes,
|
||||
u_int16_t *current)
|
||||
{
|
||||
u_int8_t i;
|
||||
u_int16_t j;
|
||||
u_int32_t temp;
|
||||
|
||||
temp = 0x00000000;
|
||||
j = *current;
|
||||
|
||||
for (i = 0; i < 4; i++, j++) {
|
||||
if (j >= databytes)
|
||||
j = 0;
|
||||
temp = (temp << 8) | data[j];
|
||||
}
|
||||
|
||||
*current = j;
|
||||
return temp;
|
||||
}
|
||||
|
||||
void
|
||||
Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes)
|
||||
{
|
||||
u_int16_t i;
|
||||
u_int16_t j;
|
||||
u_int16_t k;
|
||||
u_int32_t temp;
|
||||
u_int32_t datal;
|
||||
u_int32_t datar;
|
||||
|
||||
j = 0;
|
||||
for (i = 0; i < BLF_N + 2; i++) {
|
||||
/* Extract 4 int8 to 1 int32 from keystream */
|
||||
temp = Blowfish_stream2word(key, keybytes, &j);
|
||||
c->P[i] = c->P[i] ^ temp;
|
||||
}
|
||||
|
||||
j = 0;
|
||||
datal = 0x00000000;
|
||||
datar = 0x00000000;
|
||||
for (i = 0; i < BLF_N + 2; i += 2) {
|
||||
Blowfish_encipher(c, &datal, &datar);
|
||||
|
||||
c->P[i] = datal;
|
||||
c->P[i + 1] = datar;
|
||||
}
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
for (k = 0; k < 256; k += 2) {
|
||||
Blowfish_encipher(c, &datal, &datar);
|
||||
|
||||
c->S[i][k] = datal;
|
||||
c->S[i][k + 1] = datar;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes,
|
||||
const u_int8_t *key, u_int16_t keybytes)
|
||||
{
|
||||
u_int16_t i;
|
||||
u_int16_t j;
|
||||
u_int16_t k;
|
||||
u_int32_t temp;
|
||||
u_int32_t datal;
|
||||
u_int32_t datar;
|
||||
|
||||
j = 0;
|
||||
for (i = 0; i < BLF_N + 2; i++) {
|
||||
/* Extract 4 int8 to 1 int32 from keystream */
|
||||
temp = Blowfish_stream2word(key, keybytes, &j);
|
||||
c->P[i] = c->P[i] ^ temp;
|
||||
}
|
||||
|
||||
j = 0;
|
||||
datal = 0x00000000;
|
||||
datar = 0x00000000;
|
||||
for (i = 0; i < BLF_N + 2; i += 2) {
|
||||
datal ^= Blowfish_stream2word(data, databytes, &j);
|
||||
datar ^= Blowfish_stream2word(data, databytes, &j);
|
||||
Blowfish_encipher(c, &datal, &datar);
|
||||
|
||||
c->P[i] = datal;
|
||||
c->P[i + 1] = datar;
|
||||
}
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
for (k = 0; k < 256; k += 2) {
|
||||
datal ^= Blowfish_stream2word(data, databytes, &j);
|
||||
datar ^= Blowfish_stream2word(data, databytes, &j);
|
||||
Blowfish_encipher(c, &datal, &datar);
|
||||
|
||||
c->S[i][k] = datal;
|
||||
c->S[i][k + 1] = datar;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
blf_key(blf_ctx *c, const u_int8_t *k, u_int16_t len)
|
||||
{
|
||||
/* Initialize S-boxes and subkeys with Pi */
|
||||
Blowfish_initstate(c);
|
||||
|
||||
/* Transform S-boxes and subkeys with key */
|
||||
Blowfish_expand0state(c, k, len);
|
||||
}
|
||||
|
||||
void
|
||||
blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
|
||||
{
|
||||
u_int32_t *d;
|
||||
u_int16_t i;
|
||||
|
||||
d = data;
|
||||
for (i = 0; i < blocks; i++) {
|
||||
Blowfish_encipher(c, d, d + 1);
|
||||
d += 2;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
blf_dec(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
|
||||
{
|
||||
u_int32_t *d;
|
||||
u_int16_t i;
|
||||
|
||||
d = data;
|
||||
for (i = 0; i < blocks; i++) {
|
||||
Blowfish_decipher(c, d, d + 1);
|
||||
d += 2;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
blf_ecb_encrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
|
||||
{
|
||||
u_int32_t l, r;
|
||||
u_int32_t i;
|
||||
|
||||
for (i = 0; i < len; i += 8) {
|
||||
l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
|
||||
r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
|
||||
Blowfish_encipher(c, &l, &r);
|
||||
data[0] = l >> 24 & 0xff;
|
||||
data[1] = l >> 16 & 0xff;
|
||||
data[2] = l >> 8 & 0xff;
|
||||
data[3] = l & 0xff;
|
||||
data[4] = r >> 24 & 0xff;
|
||||
data[5] = r >> 16 & 0xff;
|
||||
data[6] = r >> 8 & 0xff;
|
||||
data[7] = r & 0xff;
|
||||
data += 8;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
blf_ecb_decrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
|
||||
{
|
||||
u_int32_t l, r;
|
||||
u_int32_t i;
|
||||
|
||||
for (i = 0; i < len; i += 8) {
|
||||
l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
|
||||
r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
|
||||
Blowfish_decipher(c, &l, &r);
|
||||
data[0] = l >> 24 & 0xff;
|
||||
data[1] = l >> 16 & 0xff;
|
||||
data[2] = l >> 8 & 0xff;
|
||||
data[3] = l & 0xff;
|
||||
data[4] = r >> 24 & 0xff;
|
||||
data[5] = r >> 16 & 0xff;
|
||||
data[6] = r >> 8 & 0xff;
|
||||
data[7] = r & 0xff;
|
||||
data += 8;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
blf_cbc_encrypt(blf_ctx *c, u_int8_t *iv, u_int8_t *data, u_int32_t len)
|
||||
{
|
||||
u_int32_t l, r;
|
||||
u_int32_t i, j;
|
||||
|
||||
for (i = 0; i < len; i += 8) {
|
||||
for (j = 0; j < 8; j++)
|
||||
data[j] ^= iv[j];
|
||||
l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
|
||||
r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
|
||||
Blowfish_encipher(c, &l, &r);
|
||||
data[0] = l >> 24 & 0xff;
|
||||
data[1] = l >> 16 & 0xff;
|
||||
data[2] = l >> 8 & 0xff;
|
||||
data[3] = l & 0xff;
|
||||
data[4] = r >> 24 & 0xff;
|
||||
data[5] = r >> 16 & 0xff;
|
||||
data[6] = r >> 8 & 0xff;
|
||||
data[7] = r & 0xff;
|
||||
iv = data;
|
||||
data += 8;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
blf_cbc_decrypt(blf_ctx *c, u_int8_t *iva, u_int8_t *data, u_int32_t len)
|
||||
{
|
||||
u_int32_t l, r;
|
||||
u_int8_t *iv;
|
||||
u_int32_t i, j;
|
||||
|
||||
iv = data + len - 16;
|
||||
data = data + len - 8;
|
||||
for (i = len - 8; i >= 8; i -= 8) {
|
||||
l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
|
||||
r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
|
||||
Blowfish_decipher(c, &l, &r);
|
||||
data[0] = l >> 24 & 0xff;
|
||||
data[1] = l >> 16 & 0xff;
|
||||
data[2] = l >> 8 & 0xff;
|
||||
data[3] = l & 0xff;
|
||||
data[4] = r >> 24 & 0xff;
|
||||
data[5] = r >> 16 & 0xff;
|
||||
data[6] = r >> 8 & 0xff;
|
||||
data[7] = r & 0xff;
|
||||
for (j = 0; j < 8; j++)
|
||||
data[j] ^= iv[j];
|
||||
iv -= 8;
|
||||
data -= 8;
|
||||
}
|
||||
l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
|
||||
r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
|
||||
Blowfish_decipher(c, &l, &r);
|
||||
data[0] = l >> 24 & 0xff;
|
||||
data[1] = l >> 16 & 0xff;
|
||||
data[2] = l >> 8 & 0xff;
|
||||
data[3] = l & 0xff;
|
||||
data[4] = r >> 24 & 0xff;
|
||||
data[5] = r >> 16 & 0xff;
|
||||
data[6] = r >> 8 & 0xff;
|
||||
data[7] = r & 0xff;
|
||||
for (j = 0; j < 8; j++)
|
||||
data[j] ^= iva[j];
|
||||
}
|
||||
|
||||
#if 0
|
||||
void
|
||||
report(u_int32_t data[], u_int16_t len)
|
||||
{
|
||||
u_int16_t i;
|
||||
for (i = 0; i < len; i += 2)
|
||||
printf("Block %0hd: %08lx %08lx.\n",
|
||||
i / 2, data[i], data[i + 1]);
|
||||
}
|
||||
void
|
||||
main(void)
|
||||
{
|
||||
|
||||
blf_ctx c;
|
||||
char key[] = "AAAAA";
|
||||
char key2[] = "abcdefghijklmnopqrstuvwxyz";
|
||||
|
||||
u_int32_t data[10];
|
||||
u_int32_t data2[] =
|
||||
{0x424c4f57l, 0x46495348l};
|
||||
|
||||
u_int16_t i;
|
||||
|
||||
/* First test */
|
||||
for (i = 0; i < 10; i++)
|
||||
data[i] = i;
|
||||
|
||||
blf_key(&c, (u_int8_t *) key, 5);
|
||||
blf_enc(&c, data, 5);
|
||||
blf_dec(&c, data, 1);
|
||||
blf_dec(&c, data + 2, 4);
|
||||
printf("Should read as 0 - 9.\n");
|
||||
report(data, 10);
|
||||
|
||||
/* Second test */
|
||||
blf_key(&c, (u_int8_t *) key2, strlen(key2));
|
||||
blf_enc(&c, data2, 1);
|
||||
printf("\nShould read as: 0x324ed0fe 0xf413a203.\n");
|
||||
report(data2, 2);
|
||||
blf_dec(&c, data2, 1);
|
||||
report(data2, 2);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !defined(HAVE_BCRYPT_PBKDF) && (!defined(HAVE_BLOWFISH_INITSTATE) || \
|
||||
!defined(HAVE_BLOWFISH_EXPAND0STATE) || !defined(HAVE_BLF_ENC)) */
|
||||
Загрузка…
Ссылка в новой задаче
Block a user