-- Michael D. Schroeder, November 4, 1981  10:29 AM--

DIRECTORY
    DESDefs, IODefs, String;

DESTest: PROGRAM IMPORTS DESDefs, IODefs, String =

BEGIN

OPEN DESDefs, IODefs, String;

modeChar: CHARACTER; 
i: CARDINAL;

-- Test data that exercises every S-Box Entry
-- Source: Federal Register, XXX
-- Values in Hex
  -- (Key)                (Data)                (Cipher)
  -- 7CA110454A1A6E57   01A1D6D039776742   690F5B0D9A26939B
  -- 0131D9619DC1376E   5CD54CA83DEF57DA   7A389D10354BD271
  -- 07A1133E4A0B2686   0248D43806F67172   868EBB51CAB4599A
  -- 3849674C2602319E   51454B582DDF440A   7178876E01F19B2A
  -- 04B915BA43FEB5B6   42FD443059577FA2   AF37FB421F8C4095
  -- 0113B970FD34F2CE   059B5E0851CF143A   86A560F10EC6D85B
  -- 0170F175468FB5E6   0756D8E0774761D2   0CD3DA020021DC09
  -- 43297FAD38E373FE   762514B829BF486A   EA676B2CB7DB2B7A
  -- 07A7137045DA2A16   3BDD119049372802   DFD64A815CAF1A0F
  -- 04689104C2FD3B2F   26955F6835AF609A   5C513C9C4886C088
  -- 37D06BB516CB7546   164D5E404F275232   0A2AEEAE3FF4AB77
  -- 1F08260D1AC2465E   6B056E18759F5CCA   EF1BF03E5DFA575A
  -- 584023641ABA6176   004BD6EF09176062   88BF0DB6D70DEE56
  -- 025816164629B007   480D39006EE762F2   A1F9915541020B56
  -- 49793EBC79B3258F   437540C8698F3CFA   6FBF1CAFCFFD0556
  -- 4FB05E1515AB73A7   072D43A077075292   2F22E49BAB7CA1AC
  -- 49E95D6D4CA229BF   02FE55778117F12A   5A6B612CC26CCE4A
  -- 018310DC409B26D6   1D9D5C5018F728C2   5F4C038ED12B2E41
  -- 1C587F1C13924FEF   305532286D6F295A   63FAC0D034D9F793
  -- 0101010101010101   AAAAAAAAAAAAAAAA   3AE716954DC04E25
  -- 0101010101010101   0000000000000000   8CA64DE9C1B123A7

keySequence: ARRAY [0..20] OF Block _
    [Block[76241B, 10105B, 45032B, 67127B],
    Block[461B, 154541B, 116701B, 33556B],
    Block[3641B, 11476B, 45013B, 23206B],
    Block[34111B, 63514B, 23002B, 30636B],
    Block[2271B, 12672B, 41776B, 132666B],
    Block[423B, 134560B, 176464B, 171316B],
    Block[560B, 170565B, 43217B, 132746B],
    Block[41451B, 77655B, 34343B, 71776B],
    Block[3647B, 11560B, 42732B, 25026B],
    Block[2150B, 110404B, 141375B, 35457B],
    Block[33720B, 65665B, 13313B, 72506B],
    Block[17410B, 23015B, 15302B, 43136B],
    Block[54100B, 21544B, 15272B, 60566B],
    Block[1130B, 13026B, 43051B, 130007B],
    Block[44571B, 37274B, 74663B, 22617B],
    Block[47660B, 57025B, 12653B, 71647B],
    Block[44751B, 56555B, 46242B, 24677B],
    Block[603B, 10334B, 40233B, 23326B],
    Block[16130B, 77434B, 11622B, 47757B],
    Block[401B, 401B, 401B, 401B],
    Block[401B, 401B, 401B, 401B]];

dataSequence: ARRAY [0..20] OF Block _
    [Block[641B, 153320B, 34567B, 63502B],
    Block[56325B, 46250B, 36757B, 53732B],
    Block[1110B, 152070B, 3366B, 70562B],
    Block[50505B, 45530B, 26737B, 42012B],
    Block[41375B, 42060B, 54527B, 77642B],
    Block[2633B, 57010B, 50717B, 12072B],
    Block[3526B, 154340B, 73507B, 60722B],
    Block[73045B, 12270B, 24677B, 44152B],
    Block[35735B, 10620B, 44467B, 24002B],
    Block[23225B, 57550B, 32657B, 60232B],
    Block[13115B, 57100B, 47447B, 51062B],
    Block[65405B, 67030B, 72637B, 56312B],
    Block[113B, 153357B, 4427B, 60142B],
    Block[44015B, 34400B, 67347B, 61362B],
    Block[41565B, 40310B, 64617B, 36372B],
    Block[3455B, 41640B, 73407B, 51222B],
    Block[1376B, 52567B, 100427B, 170452B],
    Block[16635B, 56120B, 14367B, 24302B],
    Block[30125B, 31050B, 66557B, 24532B],
    Block[125252B, 125252B, 125252B, 125252B],
    Block[0B, 0B, 0B, 0B]];

cipherSequence: ARRAY [0..20] OF Block _
    [Block[64417B, 55415B, 115046B, 111633B],
    Block[75070B, 116420B, 32513B, 151161B],
    Block[103216B, 135521B, 145264B, 54632B],
    Block[70570B, 103556B, 761B, 115452B],
    Block[127467B, 175502B, 17614B, 40225B],
    Block[103245B, 60361B, 7306B, 154133B],
    Block[6323B, 155002B, 41B, 156011B],
    Block[165147B, 65454B, 133733B, 25572B],
    Block[157726B, 45201B, 56257B, 15017B],
    Block[56121B, 36234B, 44206B, 140210B],
    Block[5052B, 167256B, 37764B, 125567B],
    Block[167433B, 170076B, 56772B, 53532B],
    Block[104277B, 6666B, 153415B, 167126B],
    Block[120771B, 110525B, 40402B, 5526B],
    Block[67677B, 16257B, 147775B, 2526B],
    Block[27442B, 162233B, 125574B, 120654B],
    Block[55153B, 60454B, 141154B, 147112B],
    Block[57514B, 1616B, 150453B, 27101B],
    Block[61772B, 140320B, 32331B, 173623B],
    Block[35347B, 13225B, 46700B, 47045B],
    Block[106246B, 46751B, 140661B, 21647B]];

DO
      ENABLE BEGIN -- catch phrases--
         InvalidNumber =>
            BEGIN WriteChar[CR]; WriteLine["Invalid number -- start over."];
                  CONTINUE;
            END;
         Rubout =>
            BEGIN WriteLine["XXX"]; CONTINUE; END;
         END; -- catch phrases--
   WriteString["Which test: (C)bc, (E)cb, or (F)ixed parameters? "L];
   DO
      modeChar _ ReadChar[];
      SELECT modeChar FROM
         'c, 'e, 'f => {WriteChar[modeChar]; EXIT};
         ENDCASE;
      WriteChar['?];
      ENDLOOP;
   WriteChar[CR];
   IF modeChar = 'f
      THEN BEGIN --fixed parameters tests--
            error: BOOLEAN _ FALSE;
            block: Block;
            blockLP: LONG POINTER = @block;
         FOR i IN [0 .. 20] DO
            ECBEncrypt[LOOPHOLE[keySequence[i], Key], 1,
                                  LONG[@dataSequence[i]], blockLP];
            IF block # cipherSequence[i] THEN BEGIN
               WriteString["Encryption #"L];
               WriteDecimal[LOOPHOLE[i, INTEGER]];
               WriteLine[" wrong."L];
               error _ TRUE
               END;
            ECBDecrypt[LOOPHOLE[keySequence[i], Key], 1,
                                  LONG[@cipherSequence[i]], blockLP];
            IF block # dataSequence[i] THEN BEGIN
               WriteString["Decryption #"L];
               WriteDecimal[LOOPHOLE[i, INTEGER]];
               WriteLine[" wrong."L];
               error _ TRUE
               END;
            ENDLOOP;
         IF NOT error THEN WriteLine["No errors in fixed parameters test."L];
         END --fixed parameters tests--
      ELSE BEGIN --encryption and decryption tests--
            key: Key;
            keyWP: POINTER TO ARRAY [0 .. 3] OF UNSPECIFIED
               = LOOPHOLE[@key];
            blocks: ARRAY [0 .. 7] OF UNSPECIFIED;
            blocksLP: LONG POINTER = LONG[@blocks];
            seed, newSeed: Block;
            source: STRING _ [128];
         IF modeChar='c THEN BEGIN
            WriteLine["Type four octal numbers as chaining seed: "L];
            FOR i IN [0..3] DO seed[i] _ ReadOctal[]; WriteChar[SP]; ENDLOOP;
            WriteChar[CR];
            END;
         source.length _ 0;
         WriteString["Password?  "];
         ReadLine[source];
         key _ MakeKey[LONG[source]];
         WriteString["Octal key is: "];
         FOR i IN [0 .. 3] DO WriteOctal[keyWP[i]]; WriteChar[SP]; ENDLOOP;
         WriteChar[CR];
         IF modeChar='e
            THEN BEGIN
               WriteLine["Type four octal numbers as block to be encrypted: "];
               FOR i IN [0..3] DO blocks[i] _ ReadOctal[]; WriteChar[SP]; ENDLOOP;
               END
            ELSE BEGIN
               WriteLine["Type eight octal numbers as block to be encrypted: "];
               FOR i IN [0..7] DO blocks[i] _ ReadOctal[]; WriteChar[SP]; ENDLOOP;
               END;
         WriteChar[CR];
         IF modeChar='e
            THEN ECBEncrypt[key, 1, blocksLP, blocksLP]
            ELSE newSeed _ CBCEncrypt[key, seed, 2, blocksLP, blocksLP];
         WriteString["Encrypted value is: "];
         FOR i IN [0 .. IF modeChar='e THEN 3 ELSE 7] DO
            WriteOctal[blocks[i]]; WriteChar[SP];
            ENDLOOP;
         WriteChar[CR];
         IF modeChar='c
            THEN BEGIN
               WriteString["New seed is: "];
               WriteOctal[newSeed[0]]; WriteChar[SP];
               WriteOctal[newSeed[1]]; WriteChar[SP];
               WriteOctal[newSeed[2]]; WriteChar[SP];
               WriteOctal[newSeed[3]]; WriteChar[CR];
               newSeed _ CBCDecrypt[key, seed, 2, blocksLP, blocksLP];
               END
            ELSE ECBDecrypt[key, 1, blocksLP, blocksLP];
         WriteString["Decrypted value is: "];
         FOR i IN [0 .. IF modeChar='e THEN 3 ELSE 7] DO
            WriteOctal[blocks[i]]; WriteChar[SP];
            ENDLOOP;
         WriteChar[CR];
         END; --encryption and decryption tests--
ENDLOOP;

END.
(635)\f1