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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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88
crypto/des/fcrypt_b.c
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@@ -1,14 +1,69 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/des/fcrypt_b.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 OR CONTRIBUTORS 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
/*
* This version of crypt has been developed from my MIT compatible DES
* library. The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
* Eric Young (eay@cryptsoft.com)
*/
#define DES_FCRYPT
#include "des_locl.h"
#undef DES_FCRYPT
@@ -26,6 +81,9 @@ void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
DES_LONG Eswap1)
{
register DES_LONG l, r, t, u;
#ifdef DES_PTR
register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans;
#endif
register DES_LONG *s;
register int j;
register DES_LONG E0, E1;
@@ -38,6 +96,14 @@ void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
E1 = Eswap1;
for (j = 0; j < 25; j++) {
#ifndef DES_UNROLL
register int i;
for (i = 0; i < 32; i += 4) {
D_ENCRYPT(l, r, i + 0); /* 1 */
D_ENCRYPT(r, l, i + 2); /* 2 */
}
#else
D_ENCRYPT(l, r, 0); /* 1 */
D_ENCRYPT(r, l, 2); /* 2 */
D_ENCRYPT(l, r, 4); /* 3 */
@@ -54,6 +120,8 @@ void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
D_ENCRYPT(r, l, 26); /* 14 */
D_ENCRYPT(l, r, 28); /* 15 */
D_ENCRYPT(r, l, 30); /* 16 */
#endif
t = l;
l = r;
r = t;
@@ -61,11 +129,11 @@ void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
l = ROTATE(l, 3) & 0xffffffffL;
r = ROTATE(r, 3) & 0xffffffffL;
PERM_OP(l, r, t, 1, 0x55555555L);
PERM_OP(r, l, t, 8, 0x00ff00ffL);
PERM_OP(l, r, t, 2, 0x33333333L);
PERM_OP(l, r, t, 1, 0x55555555L);
PERM_OP(r, l, t, 8, 0x00ff00ffL);
PERM_OP(l, r, t, 2, 0x33333333L);
PERM_OP(r, l, t, 16, 0x0000ffffL);
PERM_OP(l, r, t, 4, 0x0f0f0f0fL);
PERM_OP(l, r, t, 4, 0x0f0f0f0fL);
out[0] = r;
out[1] = l;