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annotate packages/services/gfx/mw/current/src/demos/vnc/libvncauth/d3des.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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1 /*
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2 * This is D3DES (V5.09) by Richard Outerbridge with the double and
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3 * triple-length support removed for use in VNC. Also the bytebit[] array
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4 * has been reversed so that the most significant bit in each byte of the
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5 * key is ignored, not the least significant.
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6 *
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7 * These changes are Copyright (C) 1998 Olivetti & Oracle Research Laboratory
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8 *
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9 * This software is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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12 */
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13
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14 /* D3DES (V5.09) -
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15 *
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16 * A portable, public domain, version of the Data Encryption Standard.
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17 *
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18 * Written with Symantec's THINK (Lightspeed) C by Richard Outerbridge.
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19 * Thanks to: Dan Hoey for his excellent Initial and Inverse permutation
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20 * code; Jim Gillogly & Phil Karn for the DES key schedule code; Dennis
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21 * Ferguson, Eric Young and Dana How for comparing notes; and Ray Lau,
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22 * for humouring me on.
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23 *
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24 * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge.
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25 * (GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
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26 */
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27
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28 #include "d3des.h"
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29
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30 static void scrunch(unsigned char *, unsigned long *);
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31 static void unscrun(unsigned long *, unsigned char *);
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32 static void desfunc(unsigned long *, unsigned long *);
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33 static void cookey(unsigned long *);
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34
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35 static unsigned long KnL[32] = { 0L };
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36 /*static unsigned long KnR[32] = { 0L };*/
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37 /*static unsigned long Kn3[32] = { 0L };*/
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38 /*static unsigned char Df_Key[24] = {
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39 0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
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40 0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
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41 0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67 };*/
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42
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43 static unsigned short bytebit[8] = {
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44 01, 02, 04, 010, 020, 040, 0100, 0200 };
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45
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46 static unsigned long bigbyte[24] = {
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47 0x800000L, 0x400000L, 0x200000L, 0x100000L,
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48 0x80000L, 0x40000L, 0x20000L, 0x10000L,
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49 0x8000L, 0x4000L, 0x2000L, 0x1000L,
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50 0x800L, 0x400L, 0x200L, 0x100L,
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51 0x80L, 0x40L, 0x20L, 0x10L,
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52 0x8L, 0x4L, 0x2L, 0x1L };
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53
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54 /* Use the key schedule specified in the Standard (ANSI X3.92-1981). */
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55
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56 static unsigned char pc1[56] = {
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57 56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
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58 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
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59 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
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60 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 };
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61
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62 static unsigned char totrot[16] = {
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63 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
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64
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65 static unsigned char pc2[48] = {
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66 13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
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67 22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
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68 40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
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69 43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
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70
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71 void deskey(key, edf) /* Thanks to James Gillogly & Phil Karn! */
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72 unsigned char *key;
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73 short edf;
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74 {
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75 register int i, j, l, m, n;
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76 unsigned char pc1m[56], pcr[56];
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77 unsigned long kn[32];
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78
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79 for ( j = 0; j < 56; j++ ) {
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80 l = pc1[j];
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81 m = l & 07;
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82 pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
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83 }
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84 for( i = 0; i < 16; i++ ) {
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85 if( edf == DE1 ) m = (15 - i) << 1;
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86 else m = i << 1;
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87 n = m + 1;
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88 kn[m] = kn[n] = 0L;
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89 for( j = 0; j < 28; j++ ) {
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90 l = j + totrot[i];
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91 if( l < 28 ) pcr[j] = pc1m[l];
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92 else pcr[j] = pc1m[l - 28];
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93 }
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94 for( j = 28; j < 56; j++ ) {
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95 l = j + totrot[i];
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96 if( l < 56 ) pcr[j] = pc1m[l];
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97 else pcr[j] = pc1m[l - 28];
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98 }
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99 for( j = 0; j < 24; j++ ) {
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100 if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
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101 if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
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102 }
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103 }
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104 cookey(kn);
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105 return;
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106 }
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107
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108 static void cookey(raw1)
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109 register unsigned long *raw1;
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110 {
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111 register unsigned long *cook, *raw0;
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112 unsigned long dough[32];
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113 register int i;
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114
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115 cook = dough;
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116 for( i = 0; i < 16; i++, raw1++ ) {
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117 raw0 = raw1++;
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118 *cook = (*raw0 & 0x00fc0000L) << 6;
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119 *cook |= (*raw0 & 0x00000fc0L) << 10;
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120 *cook |= (*raw1 & 0x00fc0000L) >> 10;
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121 *cook++ |= (*raw1 & 0x00000fc0L) >> 6;
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122 *cook = (*raw0 & 0x0003f000L) << 12;
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123 *cook |= (*raw0 & 0x0000003fL) << 16;
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124 *cook |= (*raw1 & 0x0003f000L) >> 4;
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125 *cook++ |= (*raw1 & 0x0000003fL);
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126 }
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127 usekey(dough);
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128 return;
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129 }
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130
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131 void cpkey(into)
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132 register unsigned long *into;
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133 {
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134 register unsigned long *from, *endp;
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135
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136 from = KnL, endp = &KnL[32];
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137 while( from < endp ) *into++ = *from++;
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138 return;
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139 }
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140
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141 void usekey(from)
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142 register unsigned long *from;
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143 {
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144 register unsigned long *to, *endp;
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145
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146 to = KnL, endp = &KnL[32];
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147 while( to < endp ) *to++ = *from++;
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148 return;
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149 }
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150
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151 void des(inblock, outblock)
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152 unsigned char *inblock, *outblock;
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153 {
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154 unsigned long work[2];
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155
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156 scrunch(inblock, work);
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157 desfunc(work, KnL);
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158 unscrun(work, outblock);
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159 return;
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160 }
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161
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162 static void scrunch(outof, into)
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163 register unsigned char *outof;
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164 register unsigned long *into;
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165 {
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166 *into = (*outof++ & 0xffL) << 24;
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167 *into |= (*outof++ & 0xffL) << 16;
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168 *into |= (*outof++ & 0xffL) << 8;
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169 *into++ |= (*outof++ & 0xffL);
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170 *into = (*outof++ & 0xffL) << 24;
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171 *into |= (*outof++ & 0xffL) << 16;
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172 *into |= (*outof++ & 0xffL) << 8;
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173 *into |= (*outof & 0xffL);
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174 return;
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175 }
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176
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177 static void unscrun(outof, into)
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178 register unsigned long *outof;
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179 register unsigned char *into;
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180 {
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181 *into++ = (*outof >> 24) & 0xffL;
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182 *into++ = (*outof >> 16) & 0xffL;
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183 *into++ = (*outof >> 8) & 0xffL;
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184 *into++ = *outof++ & 0xffL;
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185 *into++ = (*outof >> 24) & 0xffL;
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186 *into++ = (*outof >> 16) & 0xffL;
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187 *into++ = (*outof >> 8) & 0xffL;
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188 *into = *outof & 0xffL;
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189 return;
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190 }
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191
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192 static unsigned long SP1[64] = {
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193 0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
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194 0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
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195 0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
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196 0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
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197 0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
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198 0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
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199 0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
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200 0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
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201 0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
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202 0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
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203 0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
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204 0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
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205 0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
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206 0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
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207 0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
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208 0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
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209
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210 static unsigned long SP2[64] = {
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211 0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
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212 0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
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213 0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
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214 0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
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diff changeset
215 0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
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216 0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
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217 0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
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diff changeset
218 0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
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diff changeset
219 0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
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diff changeset
220 0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
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diff changeset
221 0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
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diff changeset
222 0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
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diff changeset
223 0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
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diff changeset
224 0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
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diff changeset
225 0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
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226 0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };
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227
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228 static unsigned long SP3[64] = {
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229 0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
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diff changeset
230 0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
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diff changeset
231 0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
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diff changeset
232 0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
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diff changeset
233 0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
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diff changeset
234 0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
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diff changeset
235 0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
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diff changeset
236 0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
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diff changeset
237 0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
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diff changeset
238 0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
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diff changeset
239 0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
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diff changeset
240 0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
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jlarmour
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diff changeset
241 0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
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diff changeset
242 0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
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jlarmour
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diff changeset
243 0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
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diff changeset
244 0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };
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diff changeset
245
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246 static unsigned long SP4[64] = {
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diff changeset
247 0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
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diff changeset
248 0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
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diff changeset
249 0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
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diff changeset
250 0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
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diff changeset
251 0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
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diff changeset
252 0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
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diff changeset
253 0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
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diff changeset
254 0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
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jlarmour
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diff changeset
255 0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
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jlarmour
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diff changeset
256 0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
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jlarmour
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diff changeset
257 0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
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jlarmour
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diff changeset
258 0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
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jlarmour
parents:
diff changeset
259 0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
260 0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
261 0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
262 0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
263
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
264 static unsigned long SP5[64] = {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
265 0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
266 0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
267 0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
268 0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
269 0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
270 0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
271 0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
272 0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
273 0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
274 0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
275 0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
276 0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
277 0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
278 0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
279 0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
280 0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
281
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
282 static unsigned long SP6[64] = {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
283 0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
284 0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
285 0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
286 0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
287 0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
288 0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
289 0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
290 0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
291 0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
292 0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
293 0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
294 0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
295 0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
296 0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
297 0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
298 0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
299
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
300 static unsigned long SP7[64] = {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
301 0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
302 0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
303 0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
304 0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
305 0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
306 0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
307 0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
308 0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
309 0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
310 0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
311 0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
312 0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
313 0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
314 0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
315 0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
316 0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
317
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
318 static unsigned long SP8[64] = {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
319 0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
320 0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
321 0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
322 0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
323 0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
324 0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
325 0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
326 0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
327 0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
328 0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
329 0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
330 0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
331 0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
332 0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
333 0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
334 0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
335
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
336 static void desfunc(block, keys)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
337 register unsigned long *block, *keys;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
338 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
339 register unsigned long fval, work, right, leftt;
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jlarmour
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diff changeset
340 register int round;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
341
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
342 leftt = block[0];
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jlarmour
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diff changeset
343 right = block[1];
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diff changeset
344 work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
345 right ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
346 leftt ^= (work << 4);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
347 work = ((leftt >> 16) ^ right) & 0x0000ffffL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
348 right ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
349 leftt ^= (work << 16);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
350 work = ((right >> 2) ^ leftt) & 0x33333333L;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
351 leftt ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
352 right ^= (work << 2);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
353 work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
354 leftt ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
355 right ^= (work << 8);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
356 right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
357 work = (leftt ^ right) & 0xaaaaaaaaL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
358 leftt ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
359 right ^= work;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
360 leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
361
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
362 for( round = 0; round < 8; round++ ) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
363 work = (right << 28) | (right >> 4);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
364 work ^= *keys++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
365 fval = SP7[ work & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
366 fval |= SP5[(work >> 8) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
367 fval |= SP3[(work >> 16) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
368 fval |= SP1[(work >> 24) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
369 work = right ^ *keys++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
370 fval |= SP8[ work & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
371 fval |= SP6[(work >> 8) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
372 fval |= SP4[(work >> 16) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
373 fval |= SP2[(work >> 24) & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
374 leftt ^= fval;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
375 work = (leftt << 28) | (leftt >> 4);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
376 work ^= *keys++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
377 fval = SP7[ work & 0x3fL];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
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diff changeset
378 fval |= SP5[(work >> 8) & 0x3fL];
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379 fval |= SP3[(work >> 16) & 0x3fL];
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380 fval |= SP1[(work >> 24) & 0x3fL];
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381 work = leftt ^ *keys++;
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382 fval |= SP8[ work & 0x3fL];
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383 fval |= SP6[(work >> 8) & 0x3fL];
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384 fval |= SP4[(work >> 16) & 0x3fL];
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385 fval |= SP2[(work >> 24) & 0x3fL];
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jlarmour
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386 right ^= fval;
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387 }
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388
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389 right = (right << 31) | (right >> 1);
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390 work = (leftt ^ right) & 0xaaaaaaaaL;
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391 leftt ^= work;
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392 right ^= work;
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393 leftt = (leftt << 31) | (leftt >> 1);
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394 work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
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jlarmour
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395 right ^= work;
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jlarmour
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396 leftt ^= (work << 8);
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397 work = ((leftt >> 2) ^ right) & 0x33333333L;
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jlarmour
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398 right ^= work;
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jlarmour
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399 leftt ^= (work << 2);
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400 work = ((right >> 16) ^ leftt) & 0x0000ffffL;
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401 leftt ^= work;
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402 right ^= (work << 16);
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403 work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
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jlarmour
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404 leftt ^= work;
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jlarmour
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405 right ^= (work << 4);
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jlarmour
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406 *block++ = right;
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jlarmour
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407 *block = leftt;
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jlarmour
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408 return;
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jlarmour
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409 }
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jlarmour
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410
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jlarmour
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411 /* Validation sets:
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jlarmour
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412 *
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jlarmour
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413 * Single-length key, single-length plaintext -
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jlarmour
parents:
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414 * Key : 0123 4567 89ab cdef
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jlarmour
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diff changeset
415 * Plain : 0123 4567 89ab cde7
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jlarmour
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416 * Cipher : c957 4425 6a5e d31d
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jlarmour
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diff changeset
417 *
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jlarmour
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diff changeset
418 * Double-length key, single-length plaintext -
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jlarmour
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419 * Key : 0123 4567 89ab cdef fedc ba98 7654 3210
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jlarmour
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420 * Plain : 0123 4567 89ab cde7
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jlarmour
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421 * Cipher : 7f1d 0a77 826b 8aff
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jlarmour
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diff changeset
422 *
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jlarmour
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423 * Double-length key, double-length plaintext -
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jlarmour
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424 * Key : 0123 4567 89ab cdef fedc ba98 7654 3210
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jlarmour
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425 * Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
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jlarmour
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426 * Cipher : 27a0 8440 406a df60 278f 47cf 42d6 15d7
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jlarmour
parents:
diff changeset
427 *
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jlarmour
parents:
diff changeset
428 * Triple-length key, single-length plaintext -
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jlarmour
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diff changeset
429 * Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
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jlarmour
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430 * Plain : 0123 4567 89ab cde7
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jlarmour
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431 * Cipher : de0b 7c06 ae5e 0ed5
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jlarmour
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diff changeset
432 *
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jlarmour
parents:
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433 * Triple-length key, double-length plaintext -
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jlarmour
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434 * Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
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jlarmour
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435 * Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
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jlarmour
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436 * Cipher : ad0d 1b30 ac17 cf07 0ed1 1c63 81e4 4de5
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jlarmour
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437 *
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jlarmour
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438 * d3des V5.0a rwo 9208.07 18:44 Graven Imagery
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jlarmour
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439 **********************************************************************/