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447 lines
18 KiB
447 lines
18 KiB
/* crypto/des/set_key.c */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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|
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/*- |
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* set_key.c v 1.4 eay 24/9/91 |
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* 1.4 Speed up by 400% :-) |
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* 1.3 added register declarations. |
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* 1.2 unrolled make_key_sched a bit more |
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* 1.1 added norm_expand_bits |
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* 1.0 First working version |
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*/ |
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#include <openssl/crypto.h> |
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#include "des_locl.h" |
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|
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OPENSSL_IMPLEMENT_GLOBAL(int, DES_check_key, 0) |
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/* |
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* defaults to false |
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*/ |
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static const unsigned char odd_parity[256] = { |
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1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14, |
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16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31, |
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32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47, |
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49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62, |
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64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79, |
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81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94, |
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97, 97, 98, 98, 100, 100, 103, 103, 104, 104, 107, 107, 109, 109, 110, |
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110, |
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112, 112, 115, 115, 117, 117, 118, 118, 121, 121, 122, 122, 124, 124, 127, |
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127, |
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128, 128, 131, 131, 133, 133, 134, 134, 137, 137, 138, 138, 140, 140, 143, |
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143, |
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145, 145, 146, 146, 148, 148, 151, 151, 152, 152, 155, 155, 157, 157, 158, |
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158, |
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161, 161, 162, 162, 164, 164, 167, 167, 168, 168, 171, 171, 173, 173, 174, |
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174, |
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176, 176, 179, 179, 181, 181, 182, 182, 185, 185, 186, 186, 188, 188, 191, |
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191, |
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193, 193, 194, 194, 196, 196, 199, 199, 200, 200, 203, 203, 205, 205, 206, |
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206, |
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208, 208, 211, 211, 213, 213, 214, 214, 217, 217, 218, 218, 220, 220, 223, |
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223, |
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224, 224, 227, 227, 229, 229, 230, 230, 233, 233, 234, 234, 236, 236, 239, |
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239, |
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241, 241, 242, 242, 244, 244, 247, 247, 248, 248, 251, 251, 253, 253, 254, |
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254 |
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}; |
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void DES_set_odd_parity(DES_cblock *key) |
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{ |
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unsigned int i; |
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for (i = 0; i < DES_KEY_SZ; i++) |
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(*key)[i] = odd_parity[(*key)[i]]; |
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} |
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int DES_check_key_parity(const_DES_cblock *key) |
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{ |
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unsigned int i; |
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for (i = 0; i < DES_KEY_SZ; i++) { |
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if ((*key)[i] != odd_parity[(*key)[i]]) |
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return (0); |
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} |
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return (1); |
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} |
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/*- |
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* Weak and semi week keys as take from |
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* %A D.W. Davies |
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* %A W.L. Price |
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* %T Security for Computer Networks |
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* %I John Wiley & Sons |
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* %D 1984 |
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* Many thanks to smb@ulysses.att.com (Steven Bellovin) for the reference |
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* (and actual cblock values). |
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*/ |
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#define NUM_WEAK_KEY 16 |
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static const DES_cblock weak_keys[NUM_WEAK_KEY] = { |
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/* weak keys */ |
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{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, |
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{0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE}, |
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{0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E}, |
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{0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1}, |
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/* semi-weak keys */ |
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{0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE}, |
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{0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01}, |
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{0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1}, |
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{0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E}, |
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{0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1}, |
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{0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01}, |
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{0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE}, |
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{0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E}, |
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{0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E}, |
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{0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01}, |
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{0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE}, |
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{0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1} |
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}; |
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int DES_is_weak_key(const_DES_cblock *key) |
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{ |
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int i; |
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for (i = 0; i < NUM_WEAK_KEY; i++) |
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/* |
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* Added == 0 to comparison, I obviously don't run this section very |
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* often :-(, thanks to engineering@MorningStar.Com for the fix eay |
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* 93/06/29 Another problem, I was comparing only the first 4 bytes, |
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* 97/03/18 |
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*/ |
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if (memcmp(weak_keys[i], key, sizeof(DES_cblock)) == 0) |
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return (1); |
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return (0); |
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} |
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/*- |
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* NOW DEFINED IN des_local.h |
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* See ecb_encrypt.c for a pseudo description of these macros. |
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* #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ |
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* (b)^=(t),\ |
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* (a)=((a)^((t)<<(n)))) |
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*/ |
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#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ |
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(a)=(a)^(t)^(t>>(16-(n)))) |
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static const DES_LONG des_skb[8][64] = { |
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{ |
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/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
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0x00000000L, 0x00000010L, 0x20000000L, 0x20000010L, |
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0x00010000L, 0x00010010L, 0x20010000L, 0x20010010L, |
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0x00000800L, 0x00000810L, 0x20000800L, 0x20000810L, |
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0x00010800L, 0x00010810L, 0x20010800L, 0x20010810L, |
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0x00000020L, 0x00000030L, 0x20000020L, 0x20000030L, |
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0x00010020L, 0x00010030L, 0x20010020L, 0x20010030L, |
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0x00000820L, 0x00000830L, 0x20000820L, 0x20000830L, |
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0x00010820L, 0x00010830L, 0x20010820L, 0x20010830L, |
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0x00080000L, 0x00080010L, 0x20080000L, 0x20080010L, |
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0x00090000L, 0x00090010L, 0x20090000L, 0x20090010L, |
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0x00080800L, 0x00080810L, 0x20080800L, 0x20080810L, |
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0x00090800L, 0x00090810L, 0x20090800L, 0x20090810L, |
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0x00080020L, 0x00080030L, 0x20080020L, 0x20080030L, |
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0x00090020L, 0x00090030L, 0x20090020L, 0x20090030L, |
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0x00080820L, 0x00080830L, 0x20080820L, 0x20080830L, |
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0x00090820L, 0x00090830L, 0x20090820L, 0x20090830L, |
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}, |
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{ |
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/* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ |
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0x00000000L, 0x02000000L, 0x00002000L, 0x02002000L, |
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0x00200000L, 0x02200000L, 0x00202000L, 0x02202000L, |
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0x00000004L, 0x02000004L, 0x00002004L, 0x02002004L, |
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0x00200004L, 0x02200004L, 0x00202004L, 0x02202004L, |
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0x00000400L, 0x02000400L, 0x00002400L, 0x02002400L, |
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0x00200400L, 0x02200400L, 0x00202400L, 0x02202400L, |
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0x00000404L, 0x02000404L, 0x00002404L, 0x02002404L, |
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0x00200404L, 0x02200404L, 0x00202404L, 0x02202404L, |
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0x10000000L, 0x12000000L, 0x10002000L, 0x12002000L, |
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0x10200000L, 0x12200000L, 0x10202000L, 0x12202000L, |
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0x10000004L, 0x12000004L, 0x10002004L, 0x12002004L, |
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0x10200004L, 0x12200004L, 0x10202004L, 0x12202004L, |
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0x10000400L, 0x12000400L, 0x10002400L, 0x12002400L, |
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0x10200400L, 0x12200400L, 0x10202400L, 0x12202400L, |
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0x10000404L, 0x12000404L, 0x10002404L, 0x12002404L, |
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0x10200404L, 0x12200404L, 0x10202404L, 0x12202404L, |
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}, |
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{ |
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/* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ |
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0x00000000L, 0x00000001L, 0x00040000L, 0x00040001L, |
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0x01000000L, 0x01000001L, 0x01040000L, 0x01040001L, |
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0x00000002L, 0x00000003L, 0x00040002L, 0x00040003L, |
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0x01000002L, 0x01000003L, 0x01040002L, 0x01040003L, |
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0x00000200L, 0x00000201L, 0x00040200L, 0x00040201L, |
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0x01000200L, 0x01000201L, 0x01040200L, 0x01040201L, |
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0x00000202L, 0x00000203L, 0x00040202L, 0x00040203L, |
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0x01000202L, 0x01000203L, 0x01040202L, 0x01040203L, |
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0x08000000L, 0x08000001L, 0x08040000L, 0x08040001L, |
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0x09000000L, 0x09000001L, 0x09040000L, 0x09040001L, |
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0x08000002L, 0x08000003L, 0x08040002L, 0x08040003L, |
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0x09000002L, 0x09000003L, 0x09040002L, 0x09040003L, |
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0x08000200L, 0x08000201L, 0x08040200L, 0x08040201L, |
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0x09000200L, 0x09000201L, 0x09040200L, 0x09040201L, |
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0x08000202L, 0x08000203L, 0x08040202L, 0x08040203L, |
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0x09000202L, 0x09000203L, 0x09040202L, 0x09040203L, |
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}, |
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{ |
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/* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ |
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0x00000000L, 0x00100000L, 0x00000100L, 0x00100100L, |
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0x00000008L, 0x00100008L, 0x00000108L, 0x00100108L, |
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0x00001000L, 0x00101000L, 0x00001100L, 0x00101100L, |
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0x00001008L, 0x00101008L, 0x00001108L, 0x00101108L, |
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0x04000000L, 0x04100000L, 0x04000100L, 0x04100100L, |
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0x04000008L, 0x04100008L, 0x04000108L, 0x04100108L, |
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0x04001000L, 0x04101000L, 0x04001100L, 0x04101100L, |
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0x04001008L, 0x04101008L, 0x04001108L, 0x04101108L, |
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0x00020000L, 0x00120000L, 0x00020100L, 0x00120100L, |
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0x00020008L, 0x00120008L, 0x00020108L, 0x00120108L, |
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0x00021000L, 0x00121000L, 0x00021100L, 0x00121100L, |
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0x00021008L, 0x00121008L, 0x00021108L, 0x00121108L, |
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0x04020000L, 0x04120000L, 0x04020100L, 0x04120100L, |
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0x04020008L, 0x04120008L, 0x04020108L, 0x04120108L, |
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0x04021000L, 0x04121000L, 0x04021100L, 0x04121100L, |
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0x04021008L, 0x04121008L, 0x04021108L, 0x04121108L, |
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}, |
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{ |
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/* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
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0x00000000L, 0x10000000L, 0x00010000L, 0x10010000L, |
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0x00000004L, 0x10000004L, 0x00010004L, 0x10010004L, |
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0x20000000L, 0x30000000L, 0x20010000L, 0x30010000L, |
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0x20000004L, 0x30000004L, 0x20010004L, 0x30010004L, |
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0x00100000L, 0x10100000L, 0x00110000L, 0x10110000L, |
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0x00100004L, 0x10100004L, 0x00110004L, 0x10110004L, |
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0x20100000L, 0x30100000L, 0x20110000L, 0x30110000L, |
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0x20100004L, 0x30100004L, 0x20110004L, 0x30110004L, |
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0x00001000L, 0x10001000L, 0x00011000L, 0x10011000L, |
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0x00001004L, 0x10001004L, 0x00011004L, 0x10011004L, |
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0x20001000L, 0x30001000L, 0x20011000L, 0x30011000L, |
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0x20001004L, 0x30001004L, 0x20011004L, 0x30011004L, |
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0x00101000L, 0x10101000L, 0x00111000L, 0x10111000L, |
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0x00101004L, 0x10101004L, 0x00111004L, 0x10111004L, |
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0x20101000L, 0x30101000L, 0x20111000L, 0x30111000L, |
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0x20101004L, 0x30101004L, 0x20111004L, 0x30111004L, |
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}, |
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{ |
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/* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ |
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0x00000000L, 0x08000000L, 0x00000008L, 0x08000008L, |
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0x00000400L, 0x08000400L, 0x00000408L, 0x08000408L, |
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0x00020000L, 0x08020000L, 0x00020008L, 0x08020008L, |
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0x00020400L, 0x08020400L, 0x00020408L, 0x08020408L, |
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0x00000001L, 0x08000001L, 0x00000009L, 0x08000009L, |
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0x00000401L, 0x08000401L, 0x00000409L, 0x08000409L, |
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0x00020001L, 0x08020001L, 0x00020009L, 0x08020009L, |
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0x00020401L, 0x08020401L, 0x00020409L, 0x08020409L, |
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0x02000000L, 0x0A000000L, 0x02000008L, 0x0A000008L, |
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0x02000400L, 0x0A000400L, 0x02000408L, 0x0A000408L, |
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0x02020000L, 0x0A020000L, 0x02020008L, 0x0A020008L, |
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0x02020400L, 0x0A020400L, 0x02020408L, 0x0A020408L, |
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0x02000001L, 0x0A000001L, 0x02000009L, 0x0A000009L, |
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0x02000401L, 0x0A000401L, 0x02000409L, 0x0A000409L, |
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0x02020001L, 0x0A020001L, 0x02020009L, 0x0A020009L, |
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0x02020401L, 0x0A020401L, 0x02020409L, 0x0A020409L, |
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}, |
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{ |
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/* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ |
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0x00000000L, 0x00000100L, 0x00080000L, 0x00080100L, |
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0x01000000L, 0x01000100L, 0x01080000L, 0x01080100L, |
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0x00000010L, 0x00000110L, 0x00080010L, 0x00080110L, |
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0x01000010L, 0x01000110L, 0x01080010L, 0x01080110L, |
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0x00200000L, 0x00200100L, 0x00280000L, 0x00280100L, |
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0x01200000L, 0x01200100L, 0x01280000L, 0x01280100L, |
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0x00200010L, 0x00200110L, 0x00280010L, 0x00280110L, |
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0x01200010L, 0x01200110L, 0x01280010L, 0x01280110L, |
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0x00000200L, 0x00000300L, 0x00080200L, 0x00080300L, |
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0x01000200L, 0x01000300L, 0x01080200L, 0x01080300L, |
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0x00000210L, 0x00000310L, 0x00080210L, 0x00080310L, |
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0x01000210L, 0x01000310L, 0x01080210L, 0x01080310L, |
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0x00200200L, 0x00200300L, 0x00280200L, 0x00280300L, |
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0x01200200L, 0x01200300L, 0x01280200L, 0x01280300L, |
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0x00200210L, 0x00200310L, 0x00280210L, 0x00280310L, |
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0x01200210L, 0x01200310L, 0x01280210L, 0x01280310L, |
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}, |
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{ |
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/* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ |
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0x00000000L, 0x04000000L, 0x00040000L, 0x04040000L, |
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0x00000002L, 0x04000002L, 0x00040002L, 0x04040002L, |
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0x00002000L, 0x04002000L, 0x00042000L, 0x04042000L, |
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0x00002002L, 0x04002002L, 0x00042002L, 0x04042002L, |
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0x00000020L, 0x04000020L, 0x00040020L, 0x04040020L, |
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0x00000022L, 0x04000022L, 0x00040022L, 0x04040022L, |
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0x00002020L, 0x04002020L, 0x00042020L, 0x04042020L, |
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0x00002022L, 0x04002022L, 0x00042022L, 0x04042022L, |
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0x00000800L, 0x04000800L, 0x00040800L, 0x04040800L, |
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0x00000802L, 0x04000802L, 0x00040802L, 0x04040802L, |
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0x00002800L, 0x04002800L, 0x00042800L, 0x04042800L, |
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0x00002802L, 0x04002802L, 0x00042802L, 0x04042802L, |
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0x00000820L, 0x04000820L, 0x00040820L, 0x04040820L, |
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0x00000822L, 0x04000822L, 0x00040822L, 0x04040822L, |
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0x00002820L, 0x04002820L, 0x00042820L, 0x04042820L, |
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0x00002822L, 0x04002822L, 0x00042822L, 0x04042822L, |
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} |
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}; |
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|
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int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule) |
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{ |
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if (DES_check_key) { |
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return DES_set_key_checked(key, schedule); |
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} else { |
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DES_set_key_unchecked(key, schedule); |
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return 0; |
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} |
|
} |
|
|
|
/*- |
|
* return 0 if key parity is odd (correct), |
|
* return -1 if key parity error, |
|
* return -2 if illegal weak key. |
|
*/ |
|
int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule) |
|
{ |
|
if (!DES_check_key_parity(key)) |
|
return (-1); |
|
if (DES_is_weak_key(key)) |
|
return (-2); |
|
DES_set_key_unchecked(key, schedule); |
|
return 0; |
|
} |
|
|
|
void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule) |
|
#ifdef OPENSSL_FIPS |
|
{ |
|
fips_cipher_abort(DES); |
|
private_DES_set_key_unchecked(key, schedule); |
|
} |
|
|
|
void private_DES_set_key_unchecked(const_DES_cblock *key, |
|
DES_key_schedule *schedule) |
|
#endif |
|
{ |
|
static const int shifts2[16] = |
|
{ 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0 }; |
|
register DES_LONG c, d, t, s, t2; |
|
register const unsigned char *in; |
|
register DES_LONG *k; |
|
register int i; |
|
|
|
#ifdef OPENBSD_DEV_CRYPTO |
|
memcpy(schedule->key, key, sizeof schedule->key); |
|
schedule->session = NULL; |
|
#endif |
|
k = &schedule->ks->deslong[0]; |
|
in = &(*key)[0]; |
|
|
|
c2l(in, c); |
|
c2l(in, d); |
|
|
|
/* |
|
* do PC1 in 47 simple operations :-) Thanks to John Fletcher |
|
* (john_fletcher@lccmail.ocf.llnl.gov) for the inspiration. :-) |
|
*/ |
|
PERM_OP(d, c, t, 4, 0x0f0f0f0fL); |
|
HPERM_OP(c, t, -2, 0xcccc0000L); |
|
HPERM_OP(d, t, -2, 0xcccc0000L); |
|
PERM_OP(d, c, t, 1, 0x55555555L); |
|
PERM_OP(c, d, t, 8, 0x00ff00ffL); |
|
PERM_OP(d, c, t, 1, 0x55555555L); |
|
d = (((d & 0x000000ffL) << 16L) | (d & 0x0000ff00L) | |
|
((d & 0x00ff0000L) >> 16L) | ((c & 0xf0000000L) >> 4L)); |
|
c &= 0x0fffffffL; |
|
|
|
for (i = 0; i < ITERATIONS; i++) { |
|
if (shifts2[i]) { |
|
c = ((c >> 2L) | (c << 26L)); |
|
d = ((d >> 2L) | (d << 26L)); |
|
} else { |
|
c = ((c >> 1L) | (c << 27L)); |
|
d = ((d >> 1L) | (d << 27L)); |
|
} |
|
c &= 0x0fffffffL; |
|
d &= 0x0fffffffL; |
|
/* |
|
* could be a few less shifts but I am to lazy at this point in time |
|
* to investigate |
|
*/ |
|
s = des_skb[0][(c) & 0x3f] | |
|
des_skb[1][((c >> 6L) & 0x03) | ((c >> 7L) & 0x3c)] | |
|
des_skb[2][((c >> 13L) & 0x0f) | ((c >> 14L) & 0x30)] | |
|
des_skb[3][((c >> 20L) & 0x01) | ((c >> 21L) & 0x06) | |
|
((c >> 22L) & 0x38)]; |
|
t = des_skb[4][(d) & 0x3f] | |
|
des_skb[5][((d >> 7L) & 0x03) | ((d >> 8L) & 0x3c)] | |
|
des_skb[6][(d >> 15L) & 0x3f] | |
|
des_skb[7][((d >> 21L) & 0x0f) | ((d >> 22L) & 0x30)]; |
|
|
|
/* table contained 0213 4657 */ |
|
t2 = ((t << 16L) | (s & 0x0000ffffL)) & 0xffffffffL; |
|
*(k++) = ROTATE(t2, 30) & 0xffffffffL; |
|
|
|
t2 = ((s >> 16L) | (t & 0xffff0000L)); |
|
*(k++) = ROTATE(t2, 26) & 0xffffffffL; |
|
} |
|
} |
|
|
|
int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule) |
|
{ |
|
return (DES_set_key(key, schedule)); |
|
} |
|
|
|
/*- |
|
#undef des_fixup_key_parity |
|
void des_fixup_key_parity(des_cblock *key) |
|
{ |
|
des_set_odd_parity(key); |
|
} |
|
*/
|
|
|