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unneback |
/*
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* This is D3DES (V5.09) by Richard Outerbridge with the double and
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* triple-length support removed for use in VNC. Also the bytebit[] array
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* has been reversed so that the most significant bit in each byte of the
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* key is ignored, not the least significant.
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*
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* These changes are Copyright (C) 1998 Olivetti & Oracle Research Laboratory
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* D3DES (V5.09) -
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*
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* A portable, public domain, version of the Data Encryption Standard.
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*
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18 |
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* Written with Symantec's THINK (Lightspeed) C by Richard Outerbridge.
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19 |
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* Thanks to: Dan Hoey for his excellent Initial and Inverse permutation
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* code; Jim Gillogly & Phil Karn for the DES key schedule code; Dennis
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* Ferguson, Eric Young and Dana How for comparing notes; and Ray Lau,
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* for humouring me on.
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*
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* Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge.
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* (GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
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*/
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28 |
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#include "d3des.h"
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30 |
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static void scrunch(unsigned char *, unsigned long *);
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static void unscrun(unsigned long *, unsigned char *);
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32 |
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static void desfunc(unsigned long *, unsigned long *);
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33 |
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static void cookey(unsigned long *);
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35 |
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static unsigned long KnL[32] = { 0L };
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36 |
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/*static unsigned long KnR[32] = { 0L };*/
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37 |
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/*static unsigned long Kn3[32] = { 0L };*/
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38 |
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/*static unsigned char Df_Key[24] = {
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0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
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0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
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0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67 };*/
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static unsigned short bytebit[8] = {
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01, 02, 04, 010, 020, 040, 0100, 0200 };
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45 |
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46 |
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static unsigned long bigbyte[24] = {
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0x800000L, 0x400000L, 0x200000L, 0x100000L,
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0x80000L, 0x40000L, 0x20000L, 0x10000L,
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0x8000L, 0x4000L, 0x2000L, 0x1000L,
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0x800L, 0x400L, 0x200L, 0x100L,
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0x80L, 0x40L, 0x20L, 0x10L,
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0x8L, 0x4L, 0x2L, 0x1L };
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53 |
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54 |
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/* Use the key schedule specified in the Standard (ANSI X3.92-1981). */
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56 |
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static unsigned char pc1[56] = {
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56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
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9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
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62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
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13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 };
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61 |
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static unsigned char totrot[16] = {
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1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
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65 |
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static unsigned char pc2[48] = {
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13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
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22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
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40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
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43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
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void deskey(key, edf) /* Thanks to James Gillogly & Phil Karn! */
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unsigned char *key;
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short edf;
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{
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register int i, j, l, m, n;
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unsigned char pc1m[56], pcr[56];
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unsigned long kn[32];
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for ( j = 0; j < 56; j++ ) {
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l = pc1[j];
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m = l & 07;
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82 |
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pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
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}
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84 |
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for( i = 0; i < 16; i++ ) {
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if( edf == DE1 ) m = (15 - i) << 1;
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86 |
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else m = i << 1;
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n = m + 1;
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88 |
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kn[m] = kn[n] = 0L;
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89 |
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for( j = 0; j < 28; j++ ) {
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90 |
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l = j + totrot[i];
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if( l < 28 ) pcr[j] = pc1m[l];
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else pcr[j] = pc1m[l - 28];
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93 |
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}
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94 |
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for( j = 28; j < 56; j++ ) {
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95 |
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l = j + totrot[i];
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96 |
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if( l < 56 ) pcr[j] = pc1m[l];
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else pcr[j] = pc1m[l - 28];
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98 |
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}
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99 |
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for( j = 0; j < 24; j++ ) {
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100 |
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if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
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if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
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}
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103 |
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}
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104 |
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cookey(kn);
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return;
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}
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107 |
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108 |
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static void cookey(raw1)
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register unsigned long *raw1;
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110 |
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{
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111 |
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register unsigned long *cook, *raw0;
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unsigned long dough[32];
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113 |
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register int i;
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115 |
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cook = dough;
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116 |
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for( i = 0; i < 16; i++, raw1++ ) {
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117 |
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raw0 = raw1++;
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118 |
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*cook = (*raw0 & 0x00fc0000L) << 6;
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119 |
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*cook |= (*raw0 & 0x00000fc0L) << 10;
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120 |
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*cook |= (*raw1 & 0x00fc0000L) >> 10;
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121 |
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*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
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122 |
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*cook = (*raw0 & 0x0003f000L) << 12;
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123 |
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*cook |= (*raw0 & 0x0000003fL) << 16;
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124 |
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*cook |= (*raw1 & 0x0003f000L) >> 4;
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125 |
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*cook++ |= (*raw1 & 0x0000003fL);
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126 |
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}
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127 |
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usekey(dough);
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128 |
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return;
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129 |
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}
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130 |
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131 |
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void cpkey(into)
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132 |
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register unsigned long *into;
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133 |
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{
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134 |
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register unsigned long *from, *endp;
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135 |
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136 |
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from = KnL, endp = &KnL[32];
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137 |
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while( from < endp ) *into++ = *from++;
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138 |
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return;
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139 |
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}
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140 |
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141 |
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void usekey(from)
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142 |
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register unsigned long *from;
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143 |
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{
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144 |
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register unsigned long *to, *endp;
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145 |
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146 |
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to = KnL, endp = &KnL[32];
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147 |
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while( to < endp ) *to++ = *from++;
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148 |
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return;
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149 |
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}
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150 |
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151 |
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void des(inblock, outblock)
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152 |
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unsigned char *inblock, *outblock;
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153 |
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{
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154 |
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unsigned long work[2];
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155 |
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156 |
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scrunch(inblock, work);
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157 |
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desfunc(work, KnL);
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158 |
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unscrun(work, outblock);
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159 |
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return;
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160 |
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}
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161 |
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162 |
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static void scrunch(outof, into)
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163 |
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register unsigned char *outof;
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164 |
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register unsigned long *into;
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165 |
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{
|
166 |
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*into = (*outof++ & 0xffL) << 24;
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167 |
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*into |= (*outof++ & 0xffL) << 16;
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168 |
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*into |= (*outof++ & 0xffL) << 8;
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169 |
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*into++ |= (*outof++ & 0xffL);
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170 |
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*into = (*outof++ & 0xffL) << 24;
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171 |
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*into |= (*outof++ & 0xffL) << 16;
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172 |
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*into |= (*outof++ & 0xffL) << 8;
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173 |
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*into |= (*outof & 0xffL);
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174 |
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return;
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175 |
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}
|
176 |
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|
177 |
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static void unscrun(outof, into)
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178 |
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register unsigned long *outof;
|
179 |
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register unsigned char *into;
|
180 |
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{
|
181 |
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*into++ = (*outof >> 24) & 0xffL;
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182 |
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*into++ = (*outof >> 16) & 0xffL;
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183 |
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*into++ = (*outof >> 8) & 0xffL;
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184 |
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*into++ = *outof++ & 0xffL;
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185 |
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*into++ = (*outof >> 24) & 0xffL;
|
186 |
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*into++ = (*outof >> 16) & 0xffL;
|
187 |
|
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*into++ = (*outof >> 8) & 0xffL;
|
188 |
|
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*into = *outof & 0xffL;
|
189 |
|
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return;
|
190 |
|
|
}
|
191 |
|
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|
192 |
|
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static unsigned long SP1[64] = {
|
193 |
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0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
|
194 |
|
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0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
|
195 |
|
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0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
|
196 |
|
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0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
|
197 |
|
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0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
|
198 |
|
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0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
|
199 |
|
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0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
|
200 |
|
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0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
|
201 |
|
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0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
|
202 |
|
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0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
|
203 |
|
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0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
|
204 |
|
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0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
|
205 |
|
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0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
|
206 |
|
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0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
|
207 |
|
|
0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
|
208 |
|
|
0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
|
209 |
|
|
|
210 |
|
|
static unsigned long SP2[64] = {
|
211 |
|
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0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
|
212 |
|
|
0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
|
213 |
|
|
0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
|
214 |
|
|
0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
|
215 |
|
|
0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
|
216 |
|
|
0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
|
217 |
|
|
0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
|
218 |
|
|
0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
|
219 |
|
|
0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
|
220 |
|
|
0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
|
221 |
|
|
0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
|
222 |
|
|
0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
|
223 |
|
|
0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
|
224 |
|
|
0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
|
225 |
|
|
0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
|
226 |
|
|
0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };
|
227 |
|
|
|
228 |
|
|
static unsigned long SP3[64] = {
|
229 |
|
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0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
|
230 |
|
|
0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
|
231 |
|
|
0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
|
232 |
|
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0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
|
233 |
|
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0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
|
234 |
|
|
0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
|
235 |
|
|
0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
|
236 |
|
|
0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
|
237 |
|
|
0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
|
238 |
|
|
0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
|
239 |
|
|
0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
|
240 |
|
|
0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
|
241 |
|
|
0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
|
242 |
|
|
0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
|
243 |
|
|
0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
|
244 |
|
|
0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };
|
245 |
|
|
|
246 |
|
|
static unsigned long SP4[64] = {
|
247 |
|
|
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
248 |
|
|
0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
|
249 |
|
|
0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
|
250 |
|
|
0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
|
251 |
|
|
0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
|
252 |
|
|
0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
|
253 |
|
|
0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
|
254 |
|
|
0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
|
255 |
|
|
0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
|
256 |
|
|
0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
|
257 |
|
|
0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
|
258 |
|
|
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
259 |
|
|
0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
|
260 |
|
|
0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
|
261 |
|
|
0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
|
262 |
|
|
0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };
|
263 |
|
|
|
264 |
|
|
static unsigned long SP5[64] = {
|
265 |
|
|
0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
|
266 |
|
|
0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
|
267 |
|
|
0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
|
268 |
|
|
0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
|
269 |
|
|
0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
|
270 |
|
|
0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
|
271 |
|
|
0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
|
272 |
|
|
0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
|
273 |
|
|
0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
|
274 |
|
|
0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
|
275 |
|
|
0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
|
276 |
|
|
0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
|
277 |
|
|
0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
|
278 |
|
|
0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
|
279 |
|
|
0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
|
280 |
|
|
0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };
|
281 |
|
|
|
282 |
|
|
static unsigned long SP6[64] = {
|
283 |
|
|
0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
|
284 |
|
|
0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
|
285 |
|
|
0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
|
286 |
|
|
0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
|
287 |
|
|
0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
|
288 |
|
|
0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
|
289 |
|
|
0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
|
290 |
|
|
0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
|
291 |
|
|
0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
|
292 |
|
|
0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
|
293 |
|
|
0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
|
294 |
|
|
0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
|
295 |
|
|
0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
|
296 |
|
|
0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
|
297 |
|
|
0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
|
298 |
|
|
0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };
|
299 |
|
|
|
300 |
|
|
static unsigned long SP7[64] = {
|
301 |
|
|
0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
|
302 |
|
|
0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
|
303 |
|
|
0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
|
304 |
|
|
0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
|
305 |
|
|
0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
|
306 |
|
|
0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
|
307 |
|
|
0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
|
308 |
|
|
0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
|
309 |
|
|
0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
|
310 |
|
|
0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
|
311 |
|
|
0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
|
312 |
|
|
0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
|
313 |
|
|
0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
|
314 |
|
|
0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
|
315 |
|
|
0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
|
316 |
|
|
0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };
|
317 |
|
|
|
318 |
|
|
static unsigned long SP8[64] = {
|
319 |
|
|
0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
|
320 |
|
|
0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
|
321 |
|
|
0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
|
322 |
|
|
0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
|
323 |
|
|
0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
|
324 |
|
|
0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
|
325 |
|
|
0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
|
326 |
|
|
0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
|
327 |
|
|
0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
|
328 |
|
|
0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
|
329 |
|
|
0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
|
330 |
|
|
0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
|
331 |
|
|
0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
|
332 |
|
|
0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
|
333 |
|
|
0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
|
334 |
|
|
0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };
|
335 |
|
|
|
336 |
|
|
static void desfunc(block, keys)
|
337 |
|
|
register unsigned long *block, *keys;
|
338 |
|
|
{
|
339 |
|
|
register unsigned long fval, work, right, leftt;
|
340 |
|
|
register int round;
|
341 |
|
|
|
342 |
|
|
leftt = block[0];
|
343 |
|
|
right = block[1];
|
344 |
|
|
work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
|
345 |
|
|
right ^= work;
|
346 |
|
|
leftt ^= (work << 4);
|
347 |
|
|
work = ((leftt >> 16) ^ right) & 0x0000ffffL;
|
348 |
|
|
right ^= work;
|
349 |
|
|
leftt ^= (work << 16);
|
350 |
|
|
work = ((right >> 2) ^ leftt) & 0x33333333L;
|
351 |
|
|
leftt ^= work;
|
352 |
|
|
right ^= (work << 2);
|
353 |
|
|
work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
|
354 |
|
|
leftt ^= work;
|
355 |
|
|
right ^= (work << 8);
|
356 |
|
|
right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
|
357 |
|
|
work = (leftt ^ right) & 0xaaaaaaaaL;
|
358 |
|
|
leftt ^= work;
|
359 |
|
|
right ^= work;
|
360 |
|
|
leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;
|
361 |
|
|
|
362 |
|
|
for( round = 0; round < 8; round++ ) {
|
363 |
|
|
work = (right << 28) | (right >> 4);
|
364 |
|
|
work ^= *keys++;
|
365 |
|
|
fval = SP7[ work & 0x3fL];
|
366 |
|
|
fval |= SP5[(work >> 8) & 0x3fL];
|
367 |
|
|
fval |= SP3[(work >> 16) & 0x3fL];
|
368 |
|
|
fval |= SP1[(work >> 24) & 0x3fL];
|
369 |
|
|
work = right ^ *keys++;
|
370 |
|
|
fval |= SP8[ work & 0x3fL];
|
371 |
|
|
fval |= SP6[(work >> 8) & 0x3fL];
|
372 |
|
|
fval |= SP4[(work >> 16) & 0x3fL];
|
373 |
|
|
fval |= SP2[(work >> 24) & 0x3fL];
|
374 |
|
|
leftt ^= fval;
|
375 |
|
|
work = (leftt << 28) | (leftt >> 4);
|
376 |
|
|
work ^= *keys++;
|
377 |
|
|
fval = SP7[ work & 0x3fL];
|
378 |
|
|
fval |= SP5[(work >> 8) & 0x3fL];
|
379 |
|
|
fval |= SP3[(work >> 16) & 0x3fL];
|
380 |
|
|
fval |= SP1[(work >> 24) & 0x3fL];
|
381 |
|
|
work = leftt ^ *keys++;
|
382 |
|
|
fval |= SP8[ work & 0x3fL];
|
383 |
|
|
fval |= SP6[(work >> 8) & 0x3fL];
|
384 |
|
|
fval |= SP4[(work >> 16) & 0x3fL];
|
385 |
|
|
fval |= SP2[(work >> 24) & 0x3fL];
|
386 |
|
|
right ^= fval;
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
right = (right << 31) | (right >> 1);
|
390 |
|
|
work = (leftt ^ right) & 0xaaaaaaaaL;
|
391 |
|
|
leftt ^= work;
|
392 |
|
|
right ^= work;
|
393 |
|
|
leftt = (leftt << 31) | (leftt >> 1);
|
394 |
|
|
work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
|
395 |
|
|
right ^= work;
|
396 |
|
|
leftt ^= (work << 8);
|
397 |
|
|
work = ((leftt >> 2) ^ right) & 0x33333333L;
|
398 |
|
|
right ^= work;
|
399 |
|
|
leftt ^= (work << 2);
|
400 |
|
|
work = ((right >> 16) ^ leftt) & 0x0000ffffL;
|
401 |
|
|
leftt ^= work;
|
402 |
|
|
right ^= (work << 16);
|
403 |
|
|
work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
|
404 |
|
|
leftt ^= work;
|
405 |
|
|
right ^= (work << 4);
|
406 |
|
|
*block++ = right;
|
407 |
|
|
*block = leftt;
|
408 |
|
|
return;
|
409 |
|
|
}
|
410 |
|
|
|
411 |
|
|
/* Validation sets:
|
412 |
|
|
*
|
413 |
|
|
* Single-length key, single-length plaintext -
|
414 |
|
|
* Key : 0123 4567 89ab cdef
|
415 |
|
|
* Plain : 0123 4567 89ab cde7
|
416 |
|
|
* Cipher : c957 4425 6a5e d31d
|
417 |
|
|
*
|
418 |
|
|
* Double-length key, single-length plaintext -
|
419 |
|
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210
|
420 |
|
|
* Plain : 0123 4567 89ab cde7
|
421 |
|
|
* Cipher : 7f1d 0a77 826b 8aff
|
422 |
|
|
*
|
423 |
|
|
* Double-length key, double-length plaintext -
|
424 |
|
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210
|
425 |
|
|
* Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
|
426 |
|
|
* Cipher : 27a0 8440 406a df60 278f 47cf 42d6 15d7
|
427 |
|
|
*
|
428 |
|
|
* Triple-length key, single-length plaintext -
|
429 |
|
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
|
430 |
|
|
* Plain : 0123 4567 89ab cde7
|
431 |
|
|
* Cipher : de0b 7c06 ae5e 0ed5
|
432 |
|
|
*
|
433 |
|
|
* Triple-length key, double-length plaintext -
|
434 |
|
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
|
435 |
|
|
* Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
|
436 |
|
|
* Cipher : ad0d 1b30 ac17 cf07 0ed1 1c63 81e4 4de5
|
437 |
|
|
*
|
438 |
|
|
* d3des V5.0a rwo 9208.07 18:44 Graven Imagery
|
439 |
|
|
**********************************************************************/
|