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This file was processed as: SHell self-extracting ARchive
(archive/shar).
You can browse this item here: des
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| ASCII text
| default
| |
| 100%
| checkBytes
| Printable ASCII
| default
| |
| 100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
| 100%
| siegfried
| fmt/329 Shell Archive Format
| default
| |
| 100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
| |
| 100%
| xdgMime
| message/rfc822
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 53 75 62 6a 65 63 74 3a | 20 20 76 30 37 69 30 32 |Subject:| v07i02|
|00000010| 37 3a 20 20 50 75 72 70 | 6f 72 74 65 64 20 44 45 |7: Purp|orted DE|
|00000020| 53 20 70 72 6f 67 72 61 | 6d 20 69 6e 20 43 0a 4e |S progra|m in C.N|
|00000030| 65 77 73 67 72 6f 75 70 | 73 3a 20 6d 6f 64 2e 73 |ewsgroup|s: mod.s|
|00000040| 6f 75 72 63 65 73 0a 41 | 70 70 72 6f 76 65 64 3a |ources.A|pproved:|
|00000050| 20 6d 69 72 72 6f 72 21 | 72 73 0a 0a 53 75 62 6d | mirror!|rs..Subm|
|00000060| 69 74 74 65 64 20 62 79 | 3a 20 63 63 61 21 63 61 |itted by|: cca!ca|
|00000070| 69 70 21 6c 6c 6c 2d 63 | 72 67 21 68 6f 70 74 6f |ip!lll-c|rg!hopto|
|00000080| 61 64 21 67 6e 75 20 28 | 4a 6f 68 6e 20 47 69 6c |ad!gnu (|John Gil|
|00000090| 6d 6f 72 65 29 0a 4d 6f | 64 2e 73 6f 75 72 63 65 |more).Mo|d.source|
|000000a0| 73 3a 20 56 6f 6c 75 6d | 65 20 37 2c 20 49 73 73 |s: Volum|e 7, Iss|
|000000b0| 75 65 20 32 37 0a 41 72 | 63 68 69 76 65 2d 6e 61 |ue 27.Ar|chive-na|
|000000c0| 6d 65 3a 20 64 65 73 0a | 0a 5b 20 20 49 20 77 72 |me: des.|.[ I wr|
|000000d0| 6f 74 65 20 74 68 65 20 | 4d 61 6b 65 66 69 6c 65 |ote the |Makefile|
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|000000f0| 65 66 6f 72 65 20 63 6f | 6d 70 69 6c 69 6e 67 20 |efore co|mpiling |
|00000100| 74 68 69 73 20 70 72 6f | 67 72 61 6d 2c 20 79 6f |this pro|gram, yo|
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|00000130| 20 74 68 65 20 6e 6f 6e | 2d 73 74 61 6e 64 61 72 | the non|-standar|
|00000140| 64 20 66 6f 70 65 6e 20 | 63 61 6c 6c 73 2e 20 20 |d fopen |calls. |
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|000002d0| 20 6f 6e 20 4d 6f 6e 20 | 53 65 70 20 31 35 20 30 | on Mon |Sep 15 0|
|000002e0| 30 3a 31 34 3a 31 38 20 | 45 44 54 20 31 39 38 36 |0:14:18 |EDT 1986|
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|00000370| 44 4d 45 0a 69 66 20 74 | 65 73 74 20 2d 66 20 52 |DME.if t|est -f R|
|00000380| 45 41 44 4d 45 20 3b 20 | 74 68 65 6e 0a 20 20 20 |EADME ; |then. |
|00000390| 20 65 63 68 6f 20 52 45 | 41 44 4d 45 20 65 78 69 | echo RE|ADME exi|
|000003a0| 73 74 73 2c 20 70 75 74 | 74 69 6e 67 20 6f 75 74 |sts, put|ting out|
|000003b0| 70 75 74 20 69 6e 20 24 | 24 52 45 41 44 4d 45 0a |put in $|$README.|
|000003c0| 20 20 20 20 4f 55 54 3d | 24 24 52 45 41 44 4d 45 | OUT=|$$README|
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|00000400| 27 20 3e 20 24 4f 55 54 | 20 3c 3c 27 40 2f 2f 45 |' > $OUT| <<'@//E|
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|00000420| 54 68 69 73 20 70 72 6f | 67 72 61 6d 20 63 61 6d |This pro|gram cam|
|00000430| 65 20 66 72 6f 6d 20 61 | 20 63 72 79 70 74 6f 67 |e from a| cryptog|
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|00000450| 53 20 6e 65 61 72 20 57 | 61 73 68 69 6e 67 74 6f |S near W|ashingto|
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|000004a0| 63 6f 6d 70 69 6c 65 20 | 61 6e 64 20 72 75 6e 0a |compile |and run.|
|000004b0| 58 6f 6e 20 34 2e 32 42 | 53 44 20 28 53 75 6e 20 |Xon 4.2B|SD (Sun |
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|000004d0| 20 74 68 65 20 6f 74 68 | 65 72 20 44 45 53 20 69 | the oth|er DES i|
|000004e0| 6d 70 6c 65 6d 65 6e 74 | 61 74 69 6f 6e 20 49 20 |mplement|ation I |
|000004f0| 68 61 76 65 0a 58 61 76 | 61 69 6c 61 62 6c 65 20 |have.Xav|ailable |
|00000500| 28 53 75 6e 27 73 29 20 | 75 73 65 73 20 61 20 64 |(Sun's) |uses a d|
|00000510| 69 66 66 65 72 65 6e 74 | 20 66 6f 72 6d 61 74 20 |ifferent| format |
|00000520| 66 6f 72 20 6b 65 79 73 | 2e 20 20 49 20 77 69 73 |for keys|. I wis|
|00000530| 68 20 62 6f 74 68 20 77 | 6f 75 6c 64 0a 58 61 6c |h both w|ould.Xal|
|00000540| 6c 6f 77 20 79 6f 75 20 | 74 6f 20 74 79 70 65 20 |low you |to type |
|00000550| 74 68 65 20 35 36 2d 62 | 69 74 20 6b 65 79 20 61 |the 56-b|it key a|
|00000560| 73 20 31 34 20 64 69 67 | 69 74 73 20 6f 66 20 68 |s 14 dig|its of h|
|00000570| 65 78 20 2d 2d 20 62 75 | 74 20 6e 65 69 74 68 65 |ex -- bu|t neithe|
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|00000590| 79 20 64 6f 20 64 69 66 | 66 65 72 65 6e 74 20 74 |y do dif|ferent t|
|000005a0| 72 61 6e 73 66 6f 72 6d | 61 74 69 6f 6e 73 20 6f |ransform|ations o|
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|000005c0| 49 49 2e 0a 0a 58 49 66 | 20 61 6e 79 6f 6e 65 20 |II...XIf| anyone |
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|000005e0| 64 61 74 69 6f 6e 20 73 | 61 6d 70 6c 65 73 20 5b |dation s|amples [|
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|00000640| 74 68 61 74 20 49 20 64 | 6f 20 6e 6f 74 20 72 65 |that I d|o not re|
|00000650| 63 6f 6d 6d 65 6e 64 20 | 74 68 65 20 75 73 65 20 |commend |the use |
|00000660| 6f 66 20 44 45 53 20 69 | 66 20 79 6f 75 20 77 61 |of DES i|f you wa|
|00000670| 6e 74 20 74 6f 20 6b 65 | 65 70 20 79 6f 75 72 0a |nt to ke|ep your.|
|00000680| 58 64 61 74 61 20 73 65 | 63 75 72 65 2e 20 20 41 |Xdata se|cure. A|
|00000690| 6c 6c 20 74 68 61 74 20 | 63 61 6e 20 62 65 20 73 |ll that |can be s|
|000006a0| 61 69 64 20 66 6f 72 20 | 69 74 20 69 73 20 74 68 |aid for |it is th|
|000006b0| 61 74 20 66 65 77 65 72 | 20 70 65 6f 70 6c 65 20 |at fewer| people |
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|000006d0| 61 6b 20 69 74 20 74 68 | 61 6e 20 63 72 79 70 74 |ak it th|an crypt|
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|00000710| 0a 20 0a 65 63 68 6f 20 | 78 20 2d 20 4d 61 6b 65 |. .echo |x - Make|
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|00000730| 4d 61 6b 65 66 69 6c 65 | 20 3b 20 74 68 65 6e 0a |Makefile| ; then.|
|00000740| 20 20 20 20 65 63 68 6f | 20 4d 61 6b 65 66 69 6c | echo| Makefil|
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|00000780| 24 4d 61 6b 65 66 69 6c | 65 0a 20 20 20 20 53 54 |$Makefil|e. ST|
|00000790| 41 54 55 53 3d 31 0a 65 | 6c 73 65 0a 20 20 20 20 |ATUS=1.e|lse. |
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|000007b0| 73 65 64 20 27 73 2f 5e | 58 2f 2f 27 20 3e 20 24 |sed 's/^|X//' > $|
|000007c0| 4f 55 54 20 3c 3c 27 40 | 2f 2f 45 2a 4f 2a 46 20 |OUT <<'@|//E*O*F |
|000007d0| 4d 61 6b 65 66 69 6c 65 | 2f 2f 27 0a 58 64 65 73 |Makefile|//'.Xdes|
|000007e0| 3a 09 64 65 73 2e 63 0a | 58 09 63 63 20 2d 4f 20 |:.des.c.|X.cc -O |
|000007f0| 2d 6f 20 64 65 73 20 64 | 65 73 2e 63 0a 0a 58 23 |-o des d|es.c..X#|
|00000800| 20 74 68 65 73 65 20 74 | 61 72 67 65 74 73 20 61 | these t|argets a|
|00000810| 72 65 20 66 6f 72 20 6d | 79 20 42 53 44 20 73 79 |re for m|y BSD sy|
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|00000830| 67 65 20 77 69 6c 6c 20 | 76 61 72 79 2e 0a 58 69 |ge will |vary..Xi|
|00000840| 6e 73 74 61 6c 6c 3a 09 | 64 65 73 0a 58 09 63 70 |nstall:.|des.X.cp|
|00000850| 20 64 65 73 20 2f 75 73 | 72 2f 62 69 6e 2f 64 65 | des /us|r/bin/de|
|00000860| 73 0a 58 09 63 70 20 64 | 65 73 2e 31 20 2f 75 73 |s.X.cp d|es.1 /us|
|00000870| 72 2f 6d 61 6e 2f 6d 61 | 6e 31 2f 64 65 73 2e 31 |r/man/ma|n1/des.1|
|00000880| 0a 40 2f 2f 45 2a 4f 2a | 46 20 4d 61 6b 65 66 69 |.@//E*O*|F Makefi|
|00000890| 6c 65 2f 2f 0a 63 68 6d | 6f 64 20 75 3d 72 77 2c |le//.chm|od u=rw,|
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|000008b0| 0a 65 63 68 6f 20 78 20 | 2d 20 64 65 73 2e 31 0a |.echo x |- des.1.|
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|000008d0| 20 3b 20 74 68 65 6e 0a | 20 20 20 20 65 63 68 6f | ; then.| echo|
|000008e0| 20 64 65 73 2e 31 20 65 | 78 69 73 74 73 2c 20 70 | des.1 e|xists, p|
|000008f0| 75 74 74 69 6e 67 20 6f | 75 74 70 75 74 20 69 6e |utting o|utput in|
|00000900| 20 24 24 64 65 73 2e 31 | 0a 20 20 20 20 4f 55 54 | $$des.1|. OUT|
|00000910| 3d 24 24 64 65 73 2e 31 | 0a 20 20 20 20 53 54 41 |=$$des.1|. STA|
|00000920| 54 55 53 3d 31 0a 65 6c | 73 65 0a 20 20 20 20 4f |TUS=1.el|se. O|
|00000930| 55 54 3d 64 65 73 2e 31 | 0a 66 69 0a 73 65 64 20 |UT=des.1|.fi.sed |
|00000940| 27 73 2f 5e 58 2f 2f 27 | 20 3e 20 24 4f 55 54 20 |'s/^X//'| > $OUT |
|00000950| 3c 3c 27 40 2f 2f 45 2a | 4f 2a 46 20 64 65 73 2e |<<'@//E*|O*F des.|
|00000960| 31 2f 2f 27 0a 58 2e 54 | 48 20 44 45 53 20 31 20 |1//'.X.T|H DES 1 |
|00000970| 20 4c 4f 43 41 4c 0a 58 | 2e 53 48 20 4e 41 4d 45 | LOCAL.X|.SH NAME|
|00000980| 0a 58 64 65 73 20 5c 2d | 20 70 65 72 66 6f 72 6d |.Xdes \-| perform|
|00000990| 20 44 45 53 20 65 6e 63 | 72 79 70 74 69 6f 6e 20 | DES enc|ryption |
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|000009b0| 59 4e 4f 50 53 49 53 0a | 58 2e 42 20 64 65 73 0a |YNOPSIS.|X.B des.|
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|000009e0| 20 70 72 6f 67 72 61 6d | 20 74 61 6b 65 73 20 61 | program| takes a|
|000009f0| 20 73 69 6e 67 6c 65 20 | 61 72 67 75 6d 65 6e 74 | single |argument|
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|00000a70| 66 69 6c 65 20 69 73 20 | 64 65 63 72 79 70 74 65 |file is |decrypte|
|00000a80| 64 20 77 69 74 68 20 74 | 68 65 20 67 69 76 65 6e |d with t|he given|
|00000a90| 20 6b 65 79 2c 0a 58 61 | 6e 64 20 6f 75 74 70 75 | key,.Xa|nd outpu|
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|00000b30| 62 6f 74 68 20 63 61 73 | 65 73 2c 20 74 68 65 20 |both cas|es, the |
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|00000b90| 74 72 75 65 20 44 45 53 | 2e 0a 40 2f 2f 45 2a 4f |true DES|..@//E*O|
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|00000bb0| 20 75 3d 72 77 2c 67 3d | 72 77 2c 6f 3d 72 77 20 | u=rw,g=|rw,o=rw |
|00000bc0| 24 4f 55 54 0a 20 0a 65 | 63 68 6f 20 78 20 2d 20 |$OUT. .e|cho x - |
|00000bd0| 64 65 73 2e 63 0a 69 66 | 20 74 65 73 74 20 2d 66 |des.c.if| test -f|
|00000be0| 20 64 65 73 2e 63 20 3b | 20 74 68 65 6e 0a 20 20 | des.c ;| then. |
|00000bf0| 20 20 65 63 68 6f 20 64 | 65 73 2e 63 20 65 78 69 | echo d|es.c exi|
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|00000c10| 70 75 74 20 69 6e 20 24 | 24 64 65 73 2e 63 0a 20 |put in $|$des.c. |
|00000c20| 20 20 20 4f 55 54 3d 24 | 24 64 65 73 2e 63 0a 20 | OUT=$|$des.c. |
|00000c30| 20 20 20 53 54 41 54 55 | 53 3d 31 0a 65 6c 73 65 | STATU|S=1.else|
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|00000c60| 20 24 4f 55 54 20 3c 3c | 27 40 2f 2f 45 2a 4f 2a | $OUT <<|'@//E*O*|
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|00000cc0| 75 73 61 67 65 3a 20 64 | 65 73 20 3c 66 69 6c 65 |usage: d|es <file|
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|000026f0| 2c 20 31 34 2c 20 20 33 | 2c 20 31 31 2c 20 20 35 |, 14, 3|, 11, 5|
|00002700| 2c 20 20 32 2c 20 31 32 | 2c 0a 58 09 09 09 09 09 |, 2, 12|,.X.....|
|00002710| 2f 2a 20 53 5b 34 5d 09 | 09 09 20 2a 2f 0a 58 09 |/* S[4].|.. */.X.|
|00002720| 20 37 2c 20 31 33 2c 20 | 31 34 2c 20 20 33 2c 20 | 7, 13, |14, 3, |
|00002730| 20 30 2c 20 20 36 2c 20 | 20 39 2c 20 31 30 2c 20 | 0, 6, | 9, 10, |
|00002740| 20 31 2c 20 20 32 2c 20 | 20 38 2c 20 20 35 2c 20 | 1, 2, | 8, 5, |
|00002750| 31 31 2c 20 31 32 2c 20 | 20 34 2c 20 31 35 2c 0a |11, 12, | 4, 15,.|
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|00002770| 2c 20 20 36 2c 20 31 35 | 2c 20 20 30 2c 20 20 33 |, 6, 15|, 0, 3|
|00002780| 2c 20 20 34 2c 20 20 37 | 2c 20 20 32 2c 20 31 32 |, 4, 7|, 2, 12|
|00002790| 2c 20 20 31 2c 20 31 30 | 2c 20 31 34 2c 20 20 39 |, 1, 10|, 14, 9|
|000027a0| 2c 0a 58 09 31 30 2c 20 | 20 36 2c 20 20 39 2c 20 |,.X.10, | 6, 9, |
|000027b0| 20 30 2c 20 31 32 2c 20 | 31 31 2c 20 20 37 2c 20 | 0, 12, |11, 7, |
|000027c0| 31 33 2c 20 31 35 2c 20 | 20 31 2c 20 20 33 2c 20 |13, 15, | 1, 3, |
|000027d0| 31 34 2c 20 20 35 2c 20 | 20 32 2c 20 20 38 2c 20 |14, 5, | 2, 8, |
|000027e0| 20 34 2c 0a 58 09 20 33 | 2c 20 31 35 2c 20 20 30 | 4,.X. 3|, 15, 0|
|000027f0| 2c 20 20 36 2c 20 31 30 | 2c 20 20 31 2c 20 31 33 |, 6, 10|, 1, 13|
|00002800| 2c 20 20 38 2c 20 20 39 | 2c 20 20 34 2c 20 20 35 |, 8, 9|, 4, 5|
|00002810| 2c 20 31 31 2c 20 31 32 | 2c 20 20 37 2c 20 20 32 |, 11, 12|, 7, 2|
|00002820| 2c 20 31 34 2c 0a 58 09 | 09 09 09 09 2f 2a 20 53 |, 14,.X.|..../* S|
|00002830| 5b 35 5d 09 09 09 20 2a | 2f 0a 58 09 20 32 2c 20 |[5]... *|/.X. 2, |
|00002840| 31 32 2c 20 20 34 2c 20 | 20 31 2c 20 20 37 2c 20 |12, 4, | 1, 7, |
|00002850| 31 30 2c 20 31 31 2c 20 | 20 36 2c 20 20 38 2c 20 |10, 11, | 6, 8, |
|00002860| 20 35 2c 20 20 33 2c 20 | 31 35 2c 20 31 33 2c 20 | 5, 3, |15, 13, |
|00002870| 20 30 2c 20 31 34 2c 20 | 20 39 2c 0a 58 09 31 34 | 0, 14, | 9,.X.14|
|00002880| 2c 20 31 31 2c 20 20 32 | 2c 20 31 32 2c 20 20 34 |, 11, 2|, 12, 4|
|00002890| 2c 20 20 37 2c 20 31 33 | 2c 20 20 31 2c 20 20 35 |, 7, 13|, 1, 5|
|000028a0| 2c 20 20 30 2c 20 31 35 | 2c 20 31 30 2c 20 20 33 |, 0, 15|, 10, 3|
|000028b0| 2c 20 20 39 2c 20 20 38 | 2c 20 20 36 2c 0a 58 09 |, 9, 8|, 6,.X.|
|000028c0| 20 34 2c 20 20 32 2c 20 | 20 31 2c 20 31 31 2c 20 | 4, 2, | 1, 11, |
|000028d0| 31 30 2c 20 31 33 2c 20 | 20 37 2c 20 20 38 2c 20 |10, 13, | 7, 8, |
|000028e0| 31 35 2c 20 20 39 2c 20 | 31 32 2c 20 20 35 2c 20 |15, 9, |12, 5, |
|000028f0| 20 36 2c 20 20 33 2c 20 | 20 30 2c 20 31 34 2c 0a | 6, 3, | 0, 14,.|
|00002900| 58 09 31 31 2c 20 20 38 | 2c 20 31 32 2c 20 20 37 |X.11, 8|, 12, 7|
|00002910| 2c 20 20 31 2c 20 31 34 | 2c 20 20 32 2c 20 31 33 |, 1, 14|, 2, 13|
|00002920| 2c 20 20 36 2c 20 31 35 | 2c 20 20 30 2c 20 20 39 |, 6, 15|, 0, 9|
|00002930| 2c 20 31 30 2c 20 20 34 | 2c 20 20 35 2c 20 20 33 |, 10, 4|, 5, 3|
|00002940| 2c 0a 58 09 09 09 09 09 | 2f 2a 20 53 5b 36 5d 09 |,.X.....|/* S[6].|
|00002950| 09 09 20 2a 2f 0a 58 09 | 31 32 2c 20 20 31 2c 20 |.. */.X.|12, 1, |
|00002960| 31 30 2c 20 31 35 2c 20 | 20 39 2c 20 20 32 2c 20 |10, 15, | 9, 2, |
|00002970| 20 36 2c 20 20 38 2c 20 | 20 30 2c 20 31 33 2c 20 | 6, 8, | 0, 13, |
|00002980| 20 33 2c 20 20 34 2c 20 | 31 34 2c 20 20 37 2c 20 | 3, 4, |14, 7, |
|00002990| 20 35 2c 20 31 31 2c 0a | 58 09 31 30 2c 20 31 35 | 5, 11,.|X.10, 15|
|000029a0| 2c 20 20 34 2c 20 20 32 | 2c 20 20 37 2c 20 31 32 |, 4, 2|, 7, 12|
|000029b0| 2c 20 20 39 2c 20 20 35 | 2c 20 20 36 2c 20 20 31 |, 9, 5|, 6, 1|
|000029c0| 2c 20 31 33 2c 20 31 34 | 2c 20 20 30 2c 20 31 31 |, 13, 14|, 0, 11|
|000029d0| 2c 20 20 33 2c 20 20 38 | 2c 0a 58 09 20 39 2c 20 |, 3, 8|,.X. 9, |
|000029e0| 31 34 2c 20 31 35 2c 20 | 20 35 2c 20 20 32 2c 20 |14, 15, | 5, 2, |
|000029f0| 20 38 2c 20 31 32 2c 20 | 20 33 2c 20 20 37 2c 20 | 8, 12, | 3, 7, |
|00002a00| 20 30 2c 20 20 34 2c 20 | 31 30 2c 20 20 31 2c 20 | 0, 4, |10, 1, |
|00002a10| 31 33 2c 20 31 31 2c 20 | 20 36 2c 0a 58 09 20 34 |13, 11, | 6,.X. 4|
|00002a20| 2c 20 20 33 2c 20 20 32 | 2c 20 31 32 2c 20 20 39 |, 3, 2|, 12, 9|
|00002a30| 2c 20 20 35 2c 20 31 35 | 2c 20 31 30 2c 20 31 31 |, 5, 15|, 10, 11|
|00002a40| 2c 20 31 34 2c 20 20 31 | 2c 20 20 37 2c 20 20 36 |, 14, 1|, 7, 6|
|00002a50| 2c 20 20 30 2c 20 20 38 | 2c 20 31 33 2c 0a 58 09 |, 0, 8|, 13,.X.|
|00002a60| 09 09 09 09 2f 2a 20 53 | 5b 37 5d 09 09 09 20 2a |..../* S|[7]... *|
|00002a70| 2f 0a 58 09 20 34 2c 20 | 31 31 2c 20 20 32 2c 20 |/.X. 4, |11, 2, |
|00002a80| 31 34 2c 20 31 35 2c 20 | 20 30 2c 20 20 38 2c 20 |14, 15, | 0, 8, |
|00002a90| 31 33 2c 20 20 33 2c 20 | 31 32 2c 20 20 39 2c 20 |13, 3, |12, 9, |
|00002aa0| 20 37 2c 20 20 35 2c 20 | 31 30 2c 20 20 36 2c 20 | 7, 5, |10, 6, |
|00002ab0| 20 31 2c 0a 58 09 31 33 | 2c 20 20 30 2c 20 31 31 | 1,.X.13|, 0, 11|
|00002ac0| 2c 20 20 37 2c 20 20 34 | 2c 20 20 39 2c 20 20 31 |, 7, 4|, 9, 1|
|00002ad0| 2c 20 31 30 2c 20 31 34 | 2c 20 20 33 2c 20 20 35 |, 10, 14|, 3, 5|
|00002ae0| 2c 20 31 32 2c 20 20 32 | 2c 20 31 35 2c 20 20 38 |, 12, 2|, 15, 8|
|00002af0| 2c 20 20 36 2c 0a 58 09 | 20 31 2c 20 20 34 2c 20 |, 6,.X.| 1, 4, |
|00002b00| 31 31 2c 20 31 33 2c 20 | 31 32 2c 20 20 33 2c 20 |11, 13, |12, 3, |
|00002b10| 20 37 2c 20 31 34 2c 20 | 31 30 2c 20 31 35 2c 20 | 7, 14, |10, 15, |
|00002b20| 20 36 2c 20 20 38 2c 20 | 20 30 2c 20 20 35 2c 20 | 6, 8, | 0, 5, |
|00002b30| 20 39 2c 20 20 32 2c 0a | 58 09 20 36 2c 20 31 31 | 9, 2,.|X. 6, 11|
|00002b40| 2c 20 31 33 2c 20 20 38 | 2c 20 20 31 2c 20 20 34 |, 13, 8|, 1, 4|
|00002b50| 2c 20 31 30 2c 20 20 37 | 2c 20 20 39 2c 20 20 35 |, 10, 7|, 9, 5|
|00002b60| 2c 20 20 30 2c 20 31 35 | 2c 20 31 34 2c 20 20 32 |, 0, 15|, 14, 2|
|00002b70| 2c 20 20 33 2c 20 31 32 | 2c 0a 58 09 09 09 09 09 |, 3, 12|,.X.....|
|00002b80| 2f 2a 20 53 5b 38 5d 09 | 09 09 20 2a 2f 0a 58 09 |/* S[8].|.. */.X.|
|00002b90| 31 33 2c 20 20 32 2c 20 | 20 38 2c 20 20 34 2c 20 |13, 2, | 8, 4, |
|00002ba0| 20 36 2c 20 31 35 2c 20 | 31 31 2c 20 20 31 2c 20 | 6, 15, |11, 1, |
|00002bb0| 31 30 2c 20 20 39 2c 20 | 20 33 2c 20 31 34 2c 20 |10, 9, | 3, 14, |
|00002bc0| 20 35 2c 20 20 30 2c 20 | 31 32 2c 20 20 37 2c 0a | 5, 0, |12, 7,.|
|00002bd0| 58 09 20 31 2c 20 31 35 | 2c 20 31 33 2c 20 20 38 |X. 1, 15|, 13, 8|
|00002be0| 2c 20 31 30 2c 20 20 33 | 2c 20 20 37 2c 20 20 34 |, 10, 3|, 7, 4|
|00002bf0| 2c 20 31 32 2c 20 20 35 | 2c 20 20 36 2c 20 31 31 |, 12, 5|, 6, 11|
|00002c00| 2c 20 20 30 2c 20 31 34 | 2c 20 20 39 2c 20 20 32 |, 0, 14|, 9, 2|
|00002c10| 2c 0a 58 09 20 37 2c 20 | 31 31 2c 20 20 34 2c 20 |,.X. 7, |11, 4, |
|00002c20| 20 31 2c 20 20 39 2c 20 | 31 32 2c 20 31 34 2c 20 | 1, 9, |12, 14, |
|00002c30| 20 32 2c 20 20 30 2c 20 | 20 36 2c 20 31 30 2c 20 | 2, 0, | 6, 10, |
|00002c40| 31 33 2c 20 31 35 2c 20 | 20 33 2c 20 20 35 2c 20 |13, 15, | 3, 5, |
|00002c50| 20 38 2c 0a 58 09 20 32 | 2c 20 20 31 2c 20 31 34 | 8,.X. 2|, 1, 14|
|00002c60| 2c 20 20 37 2c 20 20 34 | 2c 20 31 30 2c 20 20 38 |, 7, 4|, 10, 8|
|00002c70| 2c 20 31 33 2c 20 31 35 | 2c 20 31 32 2c 20 20 39 |, 13, 15|, 12, 9|
|00002c80| 2c 20 20 30 2c 20 20 33 | 2c 20 20 35 2c 20 20 36 |, 0, 3|, 5, 6|
|00002c90| 2c 20 31 31 09 7d 3b 0a | 0a 58 63 68 61 72 20 70 |, 11.};.|.Xchar p|
|00002ca0| 33 32 69 5b 5d 09 09 09 | 09 2f 2a 20 33 32 2d 62 |32i[]...|./* 32-b|
|00002cb0| 69 74 20 70 65 72 6d 75 | 74 61 74 69 6f 6e 20 66 |it permu|tation f|
|00002cc0| 75 6e 63 74 69 6f 6e 20 | 20 2a 2f 0a 58 3d 20 7b |unction | */.X= {|
|00002cd0| 09 31 36 2c 20 20 37 2c | 20 32 30 2c 20 32 31 2c |.16, 7,| 20, 21,|
|00002ce0| 0a 58 09 32 39 2c 20 31 | 32 2c 20 32 38 2c 20 31 |.X.29, 1|2, 28, 1|
|00002cf0| 37 2c 0a 58 09 20 31 2c | 20 31 35 2c 20 32 33 2c |7,.X. 1,| 15, 23,|
|00002d00| 20 32 36 2c 0a 58 09 20 | 35 2c 20 31 38 2c 20 33 | 26,.X. |5, 18, 3|
|00002d10| 31 2c 20 31 30 2c 0a 58 | 09 20 32 2c 20 20 38 2c |1, 10,.X|. 2, 8,|
|00002d20| 20 32 34 2c 20 31 34 2c | 0a 58 09 33 32 2c 20 32 | 24, 14,|.X.32, 2|
|00002d30| 37 2c 20 20 33 2c 20 20 | 39 2c 0a 58 09 31 39 2c |7, 3, |9,.X.19,|
|00002d40| 20 31 33 2c 20 33 30 2c | 20 20 36 2c 0a 58 09 32 | 13, 30,| 6,.X.2|
|00002d50| 32 2c 20 31 31 2c 20 20 | 34 2c 20 32 35 09 7d 3b |2, 11, |4, 25.};|
|00002d60| 0a 0a 58 64 65 73 69 6e | 69 74 28 6b 65 79 29 09 |..Xdesin|it(key).|
|00002d70| 09 09 09 2f 2a 20 69 6e | 69 74 69 61 6c 69 7a 65 |.../* in|itialize|
|00002d80| 20 61 6c 6c 20 64 65 73 | 20 61 72 72 61 79 73 09 | all des| arrays.|
|00002d90| 2a 2f 0a 58 63 68 61 72 | 20 2a 6b 65 79 3b 0a 58 |*/.Xchar| *key;.X|
|00002da0| 7b 0a 58 23 69 66 64 65 | 66 20 44 45 42 55 47 0a |{.X#ifde|f DEBUG.|
|00002db0| 58 2f 2a 64 65 62 2a 2f | 20 70 72 69 6e 74 66 28 |X/*deb*/| printf(|
|00002dc0| 22 49 6e 69 74 69 61 6c | 20 70 65 72 6d 20 69 6e |"Initial| perm in|
|00002dd0| 69 74 2e 5c 6e 22 29 3b | 0a 58 23 65 6e 64 69 66 |it.\n");|.X#endif|
|00002de0| 0a 58 09 70 65 72 6d 69 | 6e 69 74 28 69 70 65 72 |.X.permi|nit(iper|
|00002df0| 6d 2c 69 70 29 3b 09 09 | 2f 2a 20 69 6e 69 74 69 |m,ip);..|/* initi|
|00002e00| 61 6c 20 70 65 72 6d 75 | 74 61 74 69 6f 6e 09 09 |al permu|tation..|
|00002e10| 2a 2f 0a 58 23 69 66 64 | 65 66 20 44 45 42 55 47 |*/.X#ifd|ef DEBUG|
|00002e20| 0a 58 2f 2a 64 65 62 2a | 2f 20 70 72 69 6e 74 66 |.X/*deb*|/ printf|
|00002e30| 28 22 46 69 6e 61 6c 20 | 70 65 72 6d 20 69 6e 69 |("Final |perm ini|
|00002e40| 74 2e 5c 6e 22 29 3b 0a | 58 23 65 6e 64 69 66 0a |t.\n");.|X#endif.|
|00002e50| 58 09 70 65 72 6d 69 6e | 69 74 28 66 70 65 72 6d |X.permin|it(fperm|
|00002e60| 2c 66 70 29 3b 09 09 2f | 2a 20 66 69 6e 61 6c 20 |,fp);../|* final |
|00002e70| 70 65 72 6d 75 74 61 74 | 69 6f 6e 09 09 2a 2f 0a |permutat|ion..*/.|
|00002e80| 58 23 69 66 64 65 66 20 | 44 45 42 55 47 0a 58 2f |X#ifdef |DEBUG.X/|
|00002e90| 2a 64 65 62 2a 2f 20 70 | 72 69 6e 74 66 28 22 4b |*deb*/ p|rintf("K|
|00002ea0| 65 79 20 73 63 68 65 64 | 20 69 6e 69 74 2e 5c 6e |ey sched| init.\n|
|00002eb0| 22 29 3b 0a 58 23 65 6e | 64 69 66 0a 58 09 6b 69 |");.X#en|dif.X.ki|
|00002ec0| 6e 69 74 28 6b 65 79 29 | 3b 09 09 09 2f 2a 20 6b |nit(key)|;.../* k|
|00002ed0| 65 79 20 73 63 68 65 64 | 75 6c 65 09 09 09 2a 2f |ey sched|ule...*/|
|00002ee0| 0a 58 23 69 66 64 65 66 | 20 44 45 42 55 47 0a 58 |.X#ifdef| DEBUG.X|
|00002ef0| 2f 2a 64 65 62 2a 2f 20 | 70 72 69 6e 74 66 28 22 |/*deb*/ |printf("|
|00002f00| 43 6f 6d 70 72 65 73 73 | 69 6f 6e 20 69 6e 69 74 |Compress|ion init|
|00002f10| 2e 5c 6e 22 29 3b 0a 58 | 23 65 6e 64 69 66 0a 58 |.\n");.X|#endif.X|
|00002f20| 09 73 69 6e 69 74 28 29 | 3b 09 09 09 2f 2a 20 63 |.sinit()|;.../* c|
|00002f30| 6f 6d 70 72 65 73 73 69 | 6f 6e 20 66 75 6e 63 74 |ompressi|on funct|
|00002f40| 69 6f 6e 73 09 2a 2f 0a | 0a 58 23 69 66 64 65 66 |ions.*/.|.X#ifdef|
|00002f50| 20 44 45 42 55 47 0a 58 | 2f 2a 64 65 62 2a 2f 20 | DEBUG.X|/*deb*/ |
|00002f60| 70 72 69 6e 74 66 28 22 | 33 32 2d 62 69 74 20 70 |printf("|32-bit p|
|00002f70| 65 72 6d 20 69 6e 69 74 | 2e 5c 6e 22 29 3b 0a 58 |erm init|.\n");.X|
|00002f80| 23 65 6e 64 69 66 0a 58 | 09 70 33 32 69 6e 69 74 |#endif.X|.p32init|
|00002f90| 28 29 3b 09 09 09 2f 2a | 20 33 32 2d 62 69 74 20 |();.../*| 32-bit |
|00002fa0| 70 65 72 6d 75 74 61 74 | 69 6f 6e 20 69 6e 20 66 |permutat|ion in f|
|00002fb0| 09 2a 2f 0a 58 23 69 66 | 64 65 66 20 44 45 42 55 |.*/.X#if|def DEBU|
|00002fc0| 47 0a 58 2f 2a 64 65 62 | 2a 2f 20 70 72 69 6e 74 |G.X/*deb|*/ print|
|00002fd0| 66 28 22 45 6e 64 20 69 | 6e 69 74 2e 5c 6e 22 29 |f("End i|nit.\n")|
|00002fe0| 3b 0a 58 23 65 6e 64 69 | 66 0a 58 7d 0a 0a 58 69 |;.X#endi|f.X}..Xi|
|00002ff0| 6e 74 20 62 79 74 65 62 | 69 74 5b 5d 09 09 09 20 |nt byteb|it[]... |
|00003000| 20 20 2f 2a 20 62 69 74 | 20 30 20 69 73 20 6c 65 | /* bit| 0 is le|
|00003010| 66 74 2d 6d 6f 73 74 20 | 69 6e 20 62 79 74 65 09 |ft-most |in byte.|
|00003020| 2a 2f 0a 58 09 3d 20 7b | 09 30 32 30 30 2c 30 31 |*/.X.= {|.0200,01|
|00003030| 30 30 2c 30 34 30 2c 30 | 32 30 2c 30 31 30 2c 30 |00,040,0|20,010,0|
|00003040| 34 2c 30 32 2c 30 31 20 | 7d 3b 0a 0a 58 69 6e 74 |4,02,01 |};..Xint|
|00003050| 20 6e 69 62 62 6c 65 62 | 69 74 5b 5d 20 3d 20 7b | nibbleb|it[] = {|
|00003060| 20 30 31 30 2c 30 34 2c | 30 32 2c 30 31 20 7d 3b | 010,04,|02,01 };|
|00003070| 0a 0a 58 73 69 6e 69 74 | 28 29 09 09 09 09 20 2f |..Xsinit|().... /|
|00003080| 2a 20 69 6e 69 74 69 61 | 6c 69 7a 65 20 73 31 2d |* initia|lize s1-|
|00003090| 73 38 20 61 72 72 61 79 | 73 09 09 2a 2f 0a 58 7b |s8 array|s..*/.X{|
|000030a0| 09 72 65 67 69 73 74 65 | 72 20 69 6e 74 20 69 2c |.registe|r int i,|
|000030b0| 6a 3b 0a 0a 58 09 66 6f | 72 20 28 69 3d 30 3b 20 |j;..X.fo|r (i=0; |
|000030c0| 69 3c 34 3b 20 69 2b 2b | 29 09 09 2f 2a 20 65 61 |i<4; i++|)../* ea|
|000030d0| 63 68 20 31 32 2d 62 69 | 74 20 70 6f 73 69 74 69 |ch 12-bi|t positi|
|000030e0| 6f 6e 09 09 2a 2f 0a 58 | 09 09 66 6f 72 20 28 6a |on..*/.X|..for (j|
|000030f0| 3d 30 3b 20 6a 3c 34 30 | 39 36 3b 20 6a 2b 2b 29 |=0; j<40|96; j++)|
|00003100| 20 20 2f 2a 20 65 61 63 | 68 20 70 6f 73 73 69 62 | /* eac|h possib|
|00003110| 6c 65 20 31 32 2d 62 69 | 74 20 76 61 6c 75 65 20 |le 12-bi|t value |
|00003120| 20 20 2a 2f 0a 58 09 09 | 09 73 5b 69 5d 5b 6a 5d | */.X..|.s[i][j]|
|00003130| 3d 28 67 65 74 63 6f 6d | 70 28 69 2a 32 2c 6a 3e |=(getcom|p(i*2,j>|
|00003140| 3e 36 29 3c 3c 34 29 20 | 7c 0a 58 09 09 09 09 28 |>6)<<4) ||.X....(|
|00003150| 30 31 37 26 67 65 74 63 | 6f 6d 70 28 69 2a 32 2b |017&getc|omp(i*2+|
|00003160| 31 2c 6a 26 30 37 37 29 | 29 3b 0a 58 09 09 09 09 |1,j&077)|);.X....|
|00003170| 09 2f 2a 20 73 74 6f 72 | 65 20 32 20 63 6f 6d 70 |./* stor|e 2 comp|
|00003180| 72 65 73 73 69 6f 6e 73 | 20 70 65 72 20 63 68 61 |ressions| per cha|
|00003190| 72 2a 2f 0a 58 7d 0a 0a | 58 67 65 74 63 6f 6d 70 |r*/.X}..|Xgetcomp|
|000031a0| 28 6b 2c 76 29 09 09 09 | 09 2f 2a 20 31 20 63 6f |(k,v)...|./* 1 co|
|000031b0| 6d 70 72 65 73 73 69 6f | 6e 20 76 61 6c 75 65 20 |mpressio|n value |
|000031c0| 66 6f 72 20 73 69 6e 69 | 74 2a 2f 0a 58 69 6e 74 |for sini|t*/.Xint|
|000031d0| 20 6b 2c 76 3b 0a 58 7b | 09 72 65 67 69 73 74 65 | k,v;.X{|.registe|
|000031e0| 72 20 69 6e 74 20 69 2c | 6a 3b 09 09 2f 2a 20 63 |r int i,|j;../* c|
|000031f0| 6f 72 72 65 73 70 6f 6e | 64 20 74 6f 20 69 20 61 |orrespon|d to i a|
|00003200| 6e 64 20 6a 20 69 6e 20 | 46 49 50 53 2a 2f 0a 0a |nd j in |FIPS*/..|
|00003210| 58 09 69 3d 28 28 76 26 | 30 34 30 29 3e 3e 34 29 |X.i=((v&|040)>>4)|
|00003220| 7c 28 76 26 31 29 3b 09 | 09 2f 2a 20 66 69 72 73 ||(v&1);.|./* firs|
|00003230| 74 20 61 6e 64 20 6c 61 | 73 74 20 62 69 74 73 20 |t and la|st bits |
|00003240| 6d 61 6b 65 20 72 6f 77 | 20 2a 2f 0a 58 09 6a 3d |make row| */.X.j=|
|00003250| 28 76 26 30 33 37 29 3e | 3e 31 3b 09 09 09 2f 2a |(v&037)>|>1;.../*|
|00003260| 20 6d 69 64 64 6c 65 20 | 34 20 62 69 74 73 20 61 | middle |4 bits a|
|00003270| 72 65 20 63 6f 6c 75 6d | 6e 09 2a 2f 0a 58 09 72 |re colum|n.*/.X.r|
|00003280| 65 74 75 72 6e 20 28 69 | 6e 74 29 20 73 69 5b 6b |eturn (i|nt) si[k|
|00003290| 5d 5b 28 69 3c 3c 34 29 | 2b 6a 5d 3b 20 20 20 2f |][(i<<4)|+j]; /|
|000032a0| 2a 20 72 65 73 75 6c 74 | 20 69 73 20 69 74 68 20 |* result| is ith |
|000032b0| 72 6f 77 2c 20 6a 74 68 | 20 63 6f 6c 20 20 20 2a |row, jth| col *|
|000032c0| 2f 0a 58 7d 0a 0a 58 6b | 69 6e 69 74 28 6b 65 79 |/.X}..Xk|init(key|
|000032d0| 29 09 09 09 09 2f 2a 20 | 69 6e 69 74 69 61 6c 69 |)..../* |initiali|
|000032e0| 7a 65 20 6b 65 79 20 73 | 63 68 65 64 75 6c 65 20 |ze key s|chedule |
|000032f0| 61 72 72 61 79 2a 2f 0a | 58 63 68 61 72 20 2a 6b |array*/.|Xchar *k|
|00003300| 65 79 3b 09 09 09 09 2f | 2a 20 36 34 20 62 69 74 |ey;..../|* 64 bit|
|00003310| 73 20 28 77 69 6c 6c 20 | 75 73 65 20 6f 6e 6c 79 |s (will |use only|
|00003320| 20 35 36 29 20 20 20 2a | 2f 0a 58 7b 09 72 65 67 | 56) *|/.X{.reg|
|00003330| 69 73 74 65 72 20 69 6e | 74 20 69 2c 6a 2c 6c 3b |ister in|t i,j,l;|
|00003340| 0a 58 09 69 6e 74 20 6d | 3b 0a 0a 58 09 66 6f 72 |.X.int m|;..X.for|
|00003350| 20 28 6a 3d 30 3b 20 6a | 3c 35 36 3b 20 6a 2b 2b | (j=0; j|<56; j++|
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|000041a0| 62 62 2b 2b 20 5e 20 2a | 6b 62 2b 2b 3b 09 09 2f |bb++ ^ *|kb++;../|
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|00005ec0| 74 28 31 29 3b 0a 58 09 | 7d 0a 58 09 63 6f 75 6e |t(1);.X.|}.X.coun|
|00005ed0| 74 20 3d 20 30 3b 0a 58 | 09 64 65 73 69 6e 69 74 |t = 0;.X|.desinit|
|00005ee0| 28 6b 65 79 29 3b 09 09 | 2f 2a 20 69 6e 69 74 69 |(key);..|/* initi|
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|00005f20| 0a 58 09 7b 09 6b 69 6e | 69 74 28 6b 65 79 29 3b |.X.{.kin|it(key);|
|00005f30| 09 2f 2a 20 69 6e 69 74 | 69 61 6c 69 7a 65 20 6b |./* init|ialize k|
|00005f40| 65 79 20 73 74 75 66 66 | 09 09 2a 2f 0a 58 09 09 |ey stuff|..*/.X..|
|00005f50| 70 72 69 6e 74 66 28 22 | 4b 65 79 3a 20 22 29 3b |printf("|Key: ");|
|00005f60| 20 77 72 69 74 65 68 65 | 78 28 6b 65 79 29 3b 0a | writehe|x(key);.|
|00005f70| 58 09 09 70 72 69 6e 74 | 66 28 22 20 20 50 6c 61 |X..print|f(" Pla|
|00005f80| 69 6e 3a 20 22 29 3b 20 | 77 72 69 74 65 68 65 78 |in: "); |writehex|
|00005f90| 28 70 6c 61 69 6e 29 3b | 0a 58 09 09 70 72 69 6e |(plain);|.X..prin|
|00005fa0| 74 66 28 22 20 20 43 69 | 70 68 65 72 3a 20 22 29 |tf(" Ci|pher: ")|
|00005fb0| 3b 20 77 72 69 74 65 68 | 65 78 28 63 69 70 68 65 |; writeh|ex(ciphe|
|00005fc0| 72 29 3b 0a 58 09 09 70 | 72 69 6e 74 66 28 22 5c |r);.X..p|rintf("\|
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|00006010| 09 70 72 69 6e 74 66 28 | 22 45 6e 63 72 79 3a 20 |.printf(|"Encry: |
|00006020| 20 22 29 3b 20 77 72 69 | 74 65 68 65 78 28 70 72 | "); wri|tehex(pr|
|00006030| 6f 63 65 73 73 65 64 29 | 3b 0a 58 09 09 70 72 69 |ocessed)|;.X..pri|
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|00006070| 6f 63 65 73 73 65 64 5b | 69 5d 20 21 3d 20 63 69 |ocessed[|i] != ci|
|00006080| 70 68 65 72 5b 69 5d 29 | 0a 58 09 09 09 09 70 72 |pher[i])|.X....pr|
|00006090| 69 6e 74 66 28 22 45 6e | 63 72 79 70 74 69 6f 6e |intf("En|cryption|
|000060a0| 20 66 61 69 6c 65 64 2e | 5c 6e 22 29 3b 0a 58 09 | failed.|\n");.X.|
|000060b0| 09 64 65 64 65 73 28 63 | 69 70 68 65 72 2c 20 70 |.dedes(c|ipher, p|
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|000060f0| 74 66 28 22 44 65 63 72 | 79 3a 20 20 22 29 3b 20 |tf("Decr|y: "); |
|00006100| 77 72 69 74 65 68 65 78 | 28 70 72 6f 63 65 73 73 |writehex|(process|
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|00006120| 5c 6e 22 29 3b 0a 58 09 | 09 66 6f 72 20 28 69 20 |\n");.X.|.for (i |
|00006130| 3d 20 30 3b 20 69 20 3c | 20 38 3b 20 69 2b 2b 29 |= 0; i <| 8; i++)|
|00006140| 0a 58 09 09 09 69 66 20 | 28 70 72 6f 63 65 73 73 |.X...if |(process|
|00006150| 65 64 5b 69 5d 20 21 3d | 20 70 6c 61 69 6e 5b 69 |ed[i] !=| plain[i|
|00006160| 5d 29 0a 58 09 09 09 09 | 70 72 69 6e 74 66 28 22 |]).X....|printf("|
|00006170| 44 65 63 72 79 70 74 69 | 6f 6e 20 66 61 69 6c 65 |Decrypti|on faile|
|00006180| 64 2e 5c 6e 22 29 3b 0a | 58 09 09 63 6f 75 6e 74 |d.\n");.|X..count|
|00006190| 2b 2b 3b 0a 58 09 7d 0a | 58 09 70 72 69 6e 74 66 |++;.X.}.|X.printf|
|000061a0| 28 22 50 72 6f 63 65 73 | 73 65 64 20 25 64 20 74 |("Proces|sed %d t|
|000061b0| 65 73 74 73 2e 5c 6e 22 | 2c 20 63 6f 75 6e 74 29 |ests.\n"|, count)|
|000061c0| 3b 0a 58 7d 0a 0a 58 72 | 65 61 64 76 61 6c 73 28 |;.X}..Xr|eadvals(|
|000061d0| 29 09 2f 2a 20 67 65 74 | 20 74 68 65 20 6e 65 78 |)./* get| the nex|
|000061e0| 74 20 6c 65 67 69 74 20 | 74 72 69 70 6c 65 20 2a |t legit |triple *|
|000061f0| 2f 0a 58 7b 09 69 6e 74 | 20 72 3b 0a 0a 58 09 72 |/.X{.int| r;..X.r|
|00006200| 20 3d 20 72 65 61 64 68 | 65 78 28 6b 65 79 29 3b | = readh|ex(key);|
|00006210| 0a 58 09 72 65 61 64 68 | 65 78 28 70 6c 61 69 6e |.X.readh|ex(plain|
|00006220| 29 3b 0a 58 09 72 65 61 | 64 68 65 78 28 63 69 70 |);.X.rea|dhex(cip|
|00006230| 68 65 72 29 3b 0a 58 09 | 72 65 74 75 72 6e 20 72 |her);.X.|return r|
|00006240| 3b 0a 58 7d 0a 0a 58 77 | 72 69 74 65 68 65 78 28 |;.X}..Xw|ritehex(|
|00006250| 73 74 72 29 20 20 20 2f | 2a 20 77 72 69 74 65 20 |str) /|* write |
|00006260| 74 68 65 20 36 34 2d 62 | 69 74 20 68 65 78 20 73 |the 64-b|it hex s|
|00006270| 74 72 69 6e 67 20 2a 2f | 0a 58 63 68 61 72 20 2a |tring */|.Xchar *|
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|00006290| 58 09 66 6f 72 20 28 69 | 20 3d 20 30 3b 20 69 20 |X.for (i| = 0; i |
|000062a0| 3c 20 38 3b 20 69 2b 2b | 29 0a 58 09 09 70 72 69 |< 8; i++|).X..pri|
|000062b0| 6e 74 66 28 22 25 30 32 | 78 22 2c 20 73 74 72 5b |ntf("%02|x", str[|
|000062c0| 69 5d 20 26 20 30 33 37 | 37 29 3b 0a 58 7d 0a 0a |i] & 037|7);.X}..|
|000062d0| 58 68 65 78 28 6e 29 20 | 20 2f 2a 20 63 6f 6e 76 |Xhex(n) | /* conv|
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|00006300| 69 6e 74 20 6e 3b 0a 58 | 7b 0a 58 09 69 66 20 28 |int n;.X|{.X.if (|
|00006310| 6e 20 3e 3d 20 27 41 27 | 20 26 26 20 6e 20 3c 3d |n >= 'A'| && n <=|
|00006320| 20 27 46 27 29 20 72 65 | 74 75 72 6e 20 6e 20 2d | 'F') re|turn n -|
|00006330| 20 27 41 27 20 2b 20 31 | 30 3b 0a 58 09 72 65 74 | 'A' + 1|0;.X.ret|
|00006340| 75 72 6e 20 6e 20 2d 20 | 27 30 27 3b 0a 58 7d 0a |urn n - |'0';.X}.|
|00006350| 0a 58 72 65 61 64 68 65 | 78 28 73 74 72 29 09 2f |.Xreadhe|x(str)./|
|00006360| 2a 20 72 65 61 64 20 36 | 34 20 62 69 74 73 20 6f |* read 6|4 bits o|
|00006370| 66 20 68 65 78 20 63 6f | 64 65 20 2a 2f 0a 58 63 |f hex co|de */.Xc|
|00006380| 68 61 72 20 2a 73 74 72 | 3b 0a 58 7b 09 69 6e 74 |har *str|;.X{.int|
|00006390| 20 69 2c 20 63 3b 0a 0a | 58 09 66 6f 72 20 28 69 | i, c;..|X.for (i|
|000063a0| 20 3d 20 30 3b 20 69 20 | 3c 20 38 3b 20 69 2b 2b | = 0; i |< 8; i++|
|000063b0| 29 0a 58 09 7b 09 63 20 | 3d 20 68 65 78 28 67 65 |).X.{.c |= hex(ge|
|000063c0| 74 63 28 66 64 29 29 20 | 3c 3c 20 34 3b 0a 58 09 |tc(fd)) |<< 4;.X.|
|000063d0| 09 73 74 72 5b 69 5d 20 | 3d 20 63 20 7c 20 68 65 |.str[i] |= c | he|
|000063e0| 78 28 67 65 74 63 28 66 | 64 29 29 3b 0a 58 09 7d |x(getc(f|d));.X.}|
|000063f0| 0a 58 09 77 68 69 6c 65 | 20 28 28 63 20 3d 20 67 |.X.while| ((c = g|
+--------+-------------------------+-------------------------+--------+--------+
Only 25.0 KB of data is shown above.
