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d3des.c
资源名称：vnc3326s.zip　[点击查看]
上传用户：sbftbdw
上传日期：2007-01-03
资源大小：379k
文件大小：18k
源码类别：

远程控制编程

开发平台：

Visual C++

d3des.c：源码内容
  1. /*
  2.  * This is D3DES (V5.09) by Richard Outerbridge with the double and
  3.  * triple-length support removed for use in VNC.  Also the bytebit[] array
  4.  * has been reversed so that the most significant bit in each byte of the
  5.  * key is ignored, not the least significant.
  6.  *
  7.  * These changes are Copyright (C) 1998 Olivetti & Oracle Research Laboratory
  8.  *
  9.  * This software is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12.  */
  14. /* D3DES (V5.09) -
  15.  *
  16.  * A portable, public domain, version of the Data Encryption Standard.
  17.  *
  18.  * Written with Symantec's THINK (Lightspeed) C by Richard Outerbridge.
  19.  * Thanks to: Dan Hoey for his excellent Initial and Inverse permutation
  20.  * code;  Jim Gillogly & Phil Karn for the DES key schedule code; Dennis
  21.  * Ferguson, Eric Young and Dana How for comparing notes; and Ray Lau,
  22.  * for humouring me on.
  23.  *
  24.  * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge.
  25.  * (GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
  26.  */
  28. #include "d3des.h"
  30. static void scrunch(unsigned char *, unsigned long *);
  31. static void unscrun(unsigned long *, unsigned char *);
  32. static void desfunc(unsigned long *, unsigned long *);
  33. static void cookey(unsigned long *);
  35. static unsigned long KnL[32] = { 0L };
  36. static unsigned long KnR[32] = { 0L };
  37. static unsigned long Kn3[32] = { 0L };
  38. static unsigned char Df_Key[24] = {
  39.         0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
  40.         0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
  41.         0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67 };
  43. static unsigned short bytebit[8]        = {
  44.         01, 02, 04, 010, 020, 040, 0100, 0200 };
  46. static unsigned long bigbyte[24] = {
  47.         0x800000L,      0x400000L,      0x200000L,      0x100000L,
  48.         0x80000L,       0x40000L,       0x20000L,       0x10000L,
  49.         0x8000L,        0x4000L,        0x2000L,        0x1000L,
  50.         0x800L,         0x400L,         0x200L,         0x100L,
  51.         0x80L,          0x40L,          0x20L,          0x10L,
  52.         0x8L,           0x4L,           0x2L,           0x1L    };
  54. /* Use the key schedule specified in the Standard (ANSI X3.92-1981). */
  56. static unsigned char pc1[56] = {
  57.         56, 48, 40, 32, 24, 16,  8,      0, 57, 49, 41, 33, 25, 17,
  58.          9,  1, 58, 50, 42, 34, 26,     18, 10,  2, 59, 51, 43, 35,
  59.         62, 54, 46, 38, 30, 22, 14,      6, 61, 53, 45, 37, 29, 21,
  60.         13,  5, 60, 52, 44, 36, 28,     20, 12,  4, 27, 19, 11,  3 };
  62. static unsigned char totrot[16] = {
  63.         1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
  65. static unsigned char pc2[48] = {
  66.         13, 16, 10, 23,  0,  4,  2, 27, 14,  5, 20,  9,
  67.         22, 18, 11,  3, 25,  7, 15,  6, 26, 19, 12,  1,
  68.         40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
  69.         43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
  71. void deskey(key, edf)   /* Thanks to James Gillogly & Phil Karn! */
  72. unsigned char *key;
  73. short edf;
  74. {
  75.         register int i, j, l, m, n;
  76.         unsigned char pc1m[56], pcr[56];
  77.         unsigned long kn[32];
  79.         for ( j = 0; j < 56; j++ ) {
  80.                 l = pc1[j];
  81.                 m = l & 07;
  82.                 pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
  83.                 }
  84.         for( i = 0; i < 16; i++ ) {
  85.                 if( edf == DE1 ) m = (15 - i) << 1;
  86.                 else m = i << 1;
  87.                 n = m + 1;
  88.                 kn[m] = kn[n] = 0L;
  89.                 for( j = 0; j < 28; j++ ) {
  90.                         l = j + totrot[i];
  91.                         if( l < 28 ) pcr[j] = pc1m[l];
  92.                         else pcr[j] = pc1m[l - 28];
  93.                         }
  94.                 for( j = 28; j < 56; j++ ) {
  95.                     l = j + totrot[i];
  96.                     if( l < 56 ) pcr[j] = pc1m[l];
  97.                     else pcr[j] = pc1m[l - 28];
  98.                     }
  99.                 for( j = 0; j < 24; j++ ) {
  100.                         if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
  101.                         if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
  102.                         }
  103.                 }
  104.         cookey(kn);
  105.         return;
  106.         }
  108. static void cookey(raw1)
  109. register unsigned long *raw1;
  110. {
  111.         register unsigned long *cook, *raw0;
  112.         unsigned long dough[32];
  113.         register int i;
  115.         cook = dough;
  116.         for( i = 0; i < 16; i++, raw1++ ) {
  117.                 raw0 = raw1++;
  118.                 *cook    = (*raw0 & 0x00fc0000L) << 6;
  119.                 *cook   |= (*raw0 & 0x00000fc0L) << 10;
  120.                 *cook   |= (*raw1 & 0x00fc0000L) >> 10;
  121.                 *cook++ |= (*raw1 & 0x00000fc0L) >> 6;
  122.                 *cook    = (*raw0 & 0x0003f000L) << 12;
  123.                 *cook   |= (*raw0 & 0x0000003fL) << 16;
  124.                 *cook   |= (*raw1 & 0x0003f000L) >> 4;
  125.                 *cook++ |= (*raw1 & 0x0000003fL);
  126.                 }
  127.         usekey(dough);
  128.         return;
  129.         }
  131. void cpkey(into)
  132. register unsigned long *into;
  133. {
  134.         register unsigned long *from, *endp;
  136.         from = KnL, endp = &KnL[32];
  137.         while( from < endp ) *into++ = *from++;
  138.         return;
  139.         }
  141. void usekey(from)
  142. register unsigned long *from;
  143. {
  144.         register unsigned long *to, *endp;
  146.         to = KnL, endp = &KnL[32];
  147.         while( to < endp ) *to++ = *from++;
  148.         return;
  149.         }
  151. void des(inblock, outblock)
  152. unsigned char *inblock, *outblock;
  153. {
  154.         unsigned long work[2];
  156.         scrunch(inblock, work);
  157.         desfunc(work, KnL);
  158.         unscrun(work, outblock);
  159.         return;
  160.         }
  162. static void scrunch(outof, into)
  163. register unsigned char *outof;
  164. register unsigned long *into;
  165. {
  166.         *into    = (*outof++ & 0xffL) << 24;
  167.         *into   |= (*outof++ & 0xffL) << 16;
  168.         *into   |= (*outof++ & 0xffL) << 8;
  169.         *into++ |= (*outof++ & 0xffL);
  170.         *into    = (*outof++ & 0xffL) << 24;
  171.         *into   |= (*outof++ & 0xffL) << 16;
  172.         *into   |= (*outof++ & 0xffL) << 8;
  173.         *into   |= (*outof   & 0xffL);
  174.         return;
  175.         }
  177. static void unscrun(outof, into)
  178. register unsigned long *outof;
  179. register unsigned char *into;
  180. {
  181.         *into++ = (unsigned char) ((*outof >> 24) & 0xffL);
  182.         *into++ = (unsigned char) ((*outof >> 16) & 0xffL);
  183.         *into++ = (unsigned char) ((*outof >>  8) & 0xffL);
  184.         *into++ = (unsigned char)  (*outof++      & 0xffL);
  185.         *into++ = (unsigned char) ((*outof >> 24) & 0xffL);
  186.         *into++ = (unsigned char) ((*outof >> 16) & 0xffL);
  187.         *into++ = (unsigned char) ((*outof >>  8) & 0xffL);
  188.         *into   = (unsigned char)  (*outof        & 0xffL);
  189.         return;
  190.         }
  192. static unsigned long SP1[64] = {
  193.         0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
  194.         0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
  195.         0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
  196.         0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
  197.         0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
  198.         0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
  199.         0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
  200.         0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
  201.         0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
  202.         0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
  203.         0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
  204.         0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
  205.         0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
  206.         0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
  207.         0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
  208.         0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
  210. static unsigned long SP2[64] = {
  211.         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 };
  228. static unsigned long SP3[64] = {
  229.         0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
  230.         0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
  231.         0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
  232.         0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
  233.         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 };
  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 };
  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 };
  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 };
  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 };
  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 };
  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;
  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;
  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.                 }
  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.         }
  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.  **********************************************************************/