/ Usenet 1994 January / usenetsourcesnewsgroupsinfomagicjanuary1994.iso / sources / net / crypt

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 70 68 69 | 6c 69 70 40 61 78 69 73 |From phi|lip@axis|
|00000010| 2e 55 55 43 50 20 53 75 | 6e 20 46 65 62 20 31 35 |.UUCP Su|n Feb 15|
|00000020| 20 31 34 3a 33 33 3a 30 | 30 20 31 39 38 37 0a 50 | 14:33:0|0 1987.P|
|00000030| 61 74 68 3a 20 62 65 6e | 6f 21 73 65 69 73 6d 6f |ath: ben|o!seismo|
|00000040| 21 6d 63 76 61 78 21 69 | 6e 72 69 61 21 61 78 69 |!mcvax!i|nria!axi|
|00000050| 73 21 70 68 69 6c 69 70 | 0a 46 72 6f 6d 3a 20 70 |s!philip|.From: p|
|00000060| 68 69 6c 69 70 40 61 78 | 69 73 2e 55 55 43 50 0a |hilip@ax|is.UUCP.|
|00000070| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 6e 65 74 2e |Newsgrou|ps: net.|
|00000080| 73 6f 75 72 63 65 73 0a | 53 75 62 6a 65 63 74 3a |sources.|Subject:|
|00000090| 20 41 20 63 72 79 70 74 | 20 70 72 6f 67 72 61 6d | A crypt| program|
|000000a0| 0a 4b 65 79 77 6f 72 64 | 73 3a 20 41 20 70 75 62 |.Keyword|s: A pub|
|000000b0| 6c 69 63 20 64 6f 6d 61 | 69 6e 20 63 72 79 70 74 |lic doma|in crypt|
|000000c0| 20 70 72 6f 67 72 61 6d | 0a 4d 65 73 73 61 67 65 | program|.Message|
|000000d0| 2d 49 44 3a 20 3c 31 37 | 37 40 61 78 69 73 2e 55 |-ID: <17|7@axis.U|
|000000e0| 55 43 50 3e 0a 44 61 74 | 65 3a 20 31 35 20 46 65 |UCP>.Dat|e: 15 Fe|
|000000f0| 62 20 38 37 20 31 39 3a | 33 33 3a 30 30 20 47 4d |b 87 19:|33:00 GM|
|00000100| 54 0a 4f 72 67 61 6e 69 | 7a 61 74 69 6f 6e 3a 20 |T.Organi|zation: |
|00000110| 41 78 69 73 20 44 69 67 | 69 74 61 6c 2c 20 50 61 |Axis Dig|ital, Pa|
|00000120| 72 69 73 0a 4c 69 6e 65 | 73 3a 20 32 36 32 0a 50 |ris.Line|s: 262.P|
|00000130| 6f 73 74 65 64 3a 20 53 | 75 6e 20 46 65 62 20 31 |osted: S|un Feb 1|
|00000140| 35 20 31 39 3a 33 33 3a | 30 30 20 31 39 38 37 0a |5 19:33:|00 1987.|
|00000150| 0a 0a 09 09 09 43 72 79 | 70 74 20 2d 20 44 65 63 |.....Cry|pt - Dec|
|00000160| 72 79 70 74 20 50 72 6f | 67 72 61 6d 0a 09 09 09 |rypt Pro|gram....|
|00000170| 7e 7e 7e 7e 7e 7e 7e 7e | 7e 7e 7e 7e 7e 7e 7e 7e |~~~~~~~~|~~~~~~~~|
|00000180| 7e 7e 7e 7e 7e 7e 7e 0a | 0a 54 68 69 73 20 70 72 |~~~~~~~.|.This pr|
|00000190| 6f 67 72 61 6d 20 69 73 | 20 62 61 73 65 64 20 75 |ogram is| based u|
|000001a0| 70 6f 6e 20 74 68 65 20 | 47 65 72 6d 61 6e 20 57 |pon the |German W|
|000001b0| 57 32 20 65 6e 69 67 6d | 61 20 6d 61 63 68 69 6e |W2 enigm|a machin|
|000001c0| 65 2e 0a 0a 54 68 69 73 | 20 77 6f 72 6b 65 64 20 |e...This| worked |
|000001d0| 61 73 20 66 6f 6c 6c 6f | 77 73 3a 0a 0a 54 68 65 |as follo|ws:..The|
|000001e0| 20 6d 61 63 68 69 6e 65 | 20 63 6f 6e 74 61 69 6e | machine| contain|
|000001f0| 65 64 20 73 65 76 65 72 | 61 6c 20 28 33 20 6f 72 |ed sever|al (3 or|
|00000200| 20 34 2c 20 64 65 70 65 | 6e 64 69 6e 67 20 75 70 | 4, depe|nding up|
|00000210| 6f 6e 20 74 68 65 20 73 | 65 72 76 69 63 65 29 20 |on the s|ervice) |
|00000220| 72 6f 74 6f 72 73 2c 0a | 77 69 74 68 20 63 6f 6e |rotors,.|with con|
|00000230| 74 61 63 74 73 20 6f 6e | 20 65 61 63 68 20 66 61 |tacts on| each fa|
|00000240| 63 65 2e 20 45 61 63 68 | 20 72 6f 74 6f 72 20 68 |ce. Each| rotor h|
|00000250| 61 64 20 61 20 64 69 66 | 66 65 72 65 6e 74 20 6d |ad a dif|ferent m|
|00000260| 61 70 70 69 6e 67 20 28 | 69 65 20 77 69 72 69 6e |apping (|ie wirin|
|00000270| 67 29 0a 73 63 68 65 6d | 65 20 62 65 74 77 65 65 |g).schem|e betwee|
|00000280| 6e 20 74 68 65 20 63 6f | 6e 74 61 63 74 73 2e 0a |n the co|ntacts..|
|00000290| 0a 45 61 63 68 20 63 6f | 6e 74 61 63 74 20 6f 6e |.Each co|ntact on|
|000002a0| 20 74 68 65 20 69 6e 70 | 75 74 20 73 69 64 65 20 | the inp|ut side |
|000002b0| 6f 66 20 72 6f 74 6f 72 | 20 31 20 77 61 73 20 63 |of rotor| 1 was c|
|000002c0| 6f 6e 6e 65 63 74 65 64 | 20 74 6f 20 69 6e 70 75 |onnected| to inpu|
|000002d0| 74 20 6b 65 79 73 0a 28 | 6c 65 74 74 65 72 73 20 |t keys.(|letters |
|000002e0| 61 6e 64 20 6e 75 6d 62 | 65 72 73 29 2e 20 50 72 |and numb|ers). Pr|
|000002f0| 65 73 73 69 6e 67 20 74 | 68 65 20 6b 65 79 20 6d |essing t|he key m|
|00000300| 61 72 6b 65 64 20 27 41 | 27 20 77 6f 75 6c 64 20 |arked 'A|' would |
|00000310| 70 61 73 73 20 61 6e 20 | 65 6c 65 63 74 72 69 63 |pass an |electric|
|00000320| 0a 63 75 72 72 65 6e 74 | 20 69 6e 74 6f 20 74 68 |.current| into th|
|00000330| 65 20 63 6f 72 72 65 73 | 70 6f 6e 64 69 6e 67 20 |e corres|ponding |
|00000340| 63 6f 6e 74 61 63 74 20 | 6f 6e 20 74 68 65 20 69 |contact |on the i|
|00000350| 6e 70 75 74 20 72 6f 74 | 6f 72 2c 20 74 68 69 73 |nput rot|or, this|
|00000360| 20 63 75 72 72 65 6e 74 | 20 77 6f 75 6c 64 0a 65 | current| would.e|
|00000370| 78 69 74 20 6f 6e 20 73 | 6f 6d 65 20 6f 74 68 65 |xit on s|ome othe|
|00000380| 72 20 63 6f 6e 74 61 63 | 74 20 6f 6e 20 74 68 65 |r contac|t on the|
|00000390| 20 6f 75 74 70 75 74 20 | 73 69 64 65 2c 20 64 65 | output |side, de|
|000003a0| 70 65 6e 64 69 6e 67 20 | 75 70 6f 6e 20 74 68 65 |pending |upon the|
|000003b0| 20 69 6e 74 65 72 6e 61 | 6c 0a 77 69 72 69 6e 67 | interna|l.wiring|
|000003c0| 2e 0a 0a 41 66 74 65 72 | 20 65 61 63 68 20 6b 65 |...After| each ke|
|000003d0| 79 20 70 72 65 73 73 2c | 20 74 68 65 20 69 6e 70 |y press,| the inp|
|000003e0| 75 74 20 72 6f 74 6f 72 | 20 77 6f 75 6c 64 20 74 |ut rotor| would t|
|000003f0| 75 72 6e 20 6f 6e 65 20 | 70 6f 73 69 74 69 6f 6e |urn one |position|
|00000400| 20 28 74 68 75 73 2c 20 | 70 72 65 73 73 69 6e 67 | (thus, |pressing|
|00000410| 0a 27 41 27 20 61 67 61 | 69 6e 2c 20 77 6f 75 6c |.'A' aga|in, woul|
|00000420| 64 20 72 65 73 75 6c 74 | 20 69 6e 20 61 20 63 75 |d result| in a cu|
|00000430| 72 72 65 6e 74 20 66 6c | 6f 77 69 6e 67 20 6f 75 |rrent fl|owing ou|
|00000440| 74 20 6f 66 20 61 20 64 | 69 66 66 65 72 65 6e 74 |t of a d|ifferent|
|00000450| 20 6f 75 74 70 75 74 0a | 63 6f 6e 74 61 63 74 2e | output.|contact.|
|00000460| 0a 0a 41 66 74 65 72 20 | 63 6f 6d 70 6c 65 74 69 |..After |completi|
|00000470| 6e 67 20 6f 6e 65 20 72 | 65 76 6f 6c 75 74 69 6f |ng one r|evolutio|
|00000480| 6e 2c 20 72 6f 74 6f 72 | 20 6e 75 6d 62 65 72 20 |n, rotor| number |
|00000490| 74 77 6f 20 77 6f 75 6c | 64 20 6d 6f 76 65 20 6f |two woul|d move o|
|000004a0| 6e 65 20 70 6f 73 69 74 | 69 6f 6e 2e 0a 0a 54 68 |ne posit|ion...Th|
|000004b0| 65 20 6b 65 79 20 74 6f | 20 74 68 69 73 20 64 65 |e key to| this de|
|000004c0| 70 65 6e 64 65 64 20 75 | 70 6f 6e 20 74 68 65 20 |pended u|pon the |
|000004d0| 6f 72 64 65 72 20 6f 66 | 20 74 68 65 20 72 6f 74 |order of| the rot|
|000004e0| 6f 72 73 2c 20 61 6e 64 | 20 74 68 65 69 72 20 73 |ors, and| their s|
|000004f0| 74 61 72 74 69 6e 67 0a | 70 6f 73 69 74 69 6f 6e |tarting.|position|
|00000500| 73 2e 0a 0a 54 6f 20 64 | 65 63 6f 64 65 2c 20 73 |s...To d|ecode, s|
|00000510| 69 6d 70 6c 79 20 72 65 | 76 65 72 73 65 20 74 68 |imply re|verse th|
|00000520| 65 20 63 75 72 72 65 6e | 74 20 66 6c 6f 77 2c 20 |e curren|t flow, |
|00000530| 69 65 2c 20 63 6f 6e 6e | 65 63 74 20 74 68 65 20 |ie, conn|ect the |
|00000540| 6b 65 79 62 6f 61 72 64 | 20 74 6f 20 74 68 65 0a |keyboard| to the.|
|00000550| 6f 75 74 70 75 74 2c 20 | 61 6e 64 20 72 65 70 6c |output, |and repl|
|00000560| 61 63 65 20 74 68 65 20 | 69 6e 70 75 74 20 62 79 |ace the |input by|
|00000570| 20 61 20 73 65 72 69 65 | 73 20 6f 66 20 6c 61 6d | a serie|s of lam|
|00000580| 70 73 20 63 6f 72 72 65 | 73 70 6f 6e 64 69 6e 67 |ps corre|sponding|
|00000590| 20 74 6f 20 74 68 65 0a | 6b 65 79 73 2e 0a 0a 54 | to the.|keys...T|
|000005a0| 68 69 73 20 70 72 6f 67 | 72 61 6d 20 73 69 6d 75 |his prog|ram simu|
|000005b0| 6c 61 74 65 73 20 6f 6e | 65 20 6f 66 20 74 68 65 |lates on|e of the|
|000005c0| 73 65 20 6d 61 63 68 69 | 6e 65 73 2c 20 77 69 74 |se machi|nes, wit|
|000005d0| 68 20 73 65 76 65 72 61 | 6c 20 72 65 66 69 6e 65 |h severa|l refine|
|000005e0| 6d 65 6e 74 73 3a 0a 0a | 31 29 09 45 61 63 68 20 |ments:..|1).Each |
|000005f0| 72 6f 74 6f 72 20 68 61 | 73 20 32 35 36 20 70 6f |rotor ha|s 256 po|
|00000600| 73 69 74 69 6f 6e 73 0a | 0a 32 29 09 54 68 65 20 |sitions.|.2).The |
|00000610| 6b 65 79 20 69 73 20 6e | 6f 74 20 74 68 65 20 6f |key is n|ot the o|
|00000620| 72 64 65 72 69 6e 67 20 | 61 6e 64 20 73 74 61 72 |rdering |and star|
|00000630| 74 69 6e 67 20 70 6f 73 | 69 74 69 6f 6e 73 20 6f |ting pos|itions o|
|00000640| 66 20 74 68 65 20 72 6f | 74 6f 72 73 2c 0a 09 73 |f the ro|tors,..s|
|00000650| 69 6e 63 65 20 6e 65 77 | 20 61 6e 64 20 64 69 66 |ince new| and dif|
|00000660| 66 65 72 65 6e 74 20 72 | 6f 74 6f 72 73 20 61 72 |ferent r|otors ar|
|00000670| 65 20 63 72 65 61 74 65 | 64 20 66 6f 72 20 65 61 |e create|d for ea|
|00000680| 63 68 20 69 6e 70 75 74 | 20 6b 65 79 2e 0a 0a 33 |ch input| key...3|
|00000690| 29 09 54 68 65 20 6d 6f | 76 65 6d 65 6e 74 20 6f |).The mo|vement o|
|000006a0| 66 20 74 68 65 20 72 6f | 74 6f 72 73 20 69 73 20 |f the ro|tors is |
|000006b0| 6e 6f 74 20 61 20 73 69 | 6d 70 6c 65 20 61 73 20 |not a si|mple as |
|000006c0| 64 65 73 63 72 69 62 65 | 64 20 61 62 6f 76 65 2e |describe|d above.|
|000006d0| 0a 09 49 74 20 69 73 20 | 62 61 73 69 63 61 6c 6c |..It is |basicall|
|000006e0| 79 20 74 68 61 74 2c 20 | 62 75 74 20 77 69 74 68 |y that, |but with|
|000006f0| 20 72 6f 74 6f 72 73 20 | 73 65 6c 65 63 74 65 64 | rotors |selected|
|00000700| 20 6f 6e 20 61 20 72 61 | 6e 64 6f 6d 20 62 61 73 | on a ra|ndom bas|
|00000710| 69 73 2c 0a 09 74 68 65 | 79 20 61 72 65 20 61 64 |is,..the|y are ad|
|00000720| 76 61 6e 63 65 64 20 61 | 20 72 61 6e 64 6f 6d 20 |vanced a| random |
|00000730| 6e 75 6d 62 65 72 20 6f | 66 20 70 6f 73 69 74 69 |number o|f positi|
|00000740| 6f 6e 73 2e 0a 0a 54 68 | 65 20 72 65 73 75 6c 74 |ons...Th|e result|
|00000750| 20 69 73 20 28 49 20 62 | 65 6c 69 65 76 65 20 2d | is (I b|elieve -|
|00000760| 20 6e 6f 74 20 62 65 69 | 6e 67 20 61 20 43 72 79 | not bei|ng a Cry|
|00000770| 70 74 6f 6c 6f 67 69 73 | 74 29 2c 20 73 6f 6d 65 |ptologis|t), some|
|00000780| 77 68 61 74 20 6d 6f 72 | 65 0a 73 65 63 75 72 65 |what mor|e.secure|
|00000790| 20 74 68 61 6e 20 74 68 | 65 20 6f 72 69 67 69 6e | than th|e origin|
|000007a0| 61 6c 20 6d 61 63 68 69 | 6e 65 73 2c 20 61 6e 64 |al machi|nes, and|
|000007b0| 20 63 65 72 74 61 69 6e | 6c 79 20 6d 6f 72 65 20 | certain|ly more |
|000007c0| 73 65 63 75 72 65 20 74 | 68 61 6e 20 74 68 65 0a |secure t|han the.|
|000007d0| 6f 72 69 67 69 6e 61 6c | 20 55 4e 49 58 20 63 72 |original| UNIX cr|
|000007e0| 79 70 74 20 2d 20 77 68 | 69 63 68 20 68 61 73 20 |ypt - wh|ich has |
|000007f0| 61 20 73 69 6e 67 6c 65 | 20 72 6f 74 6f 72 2c 20 |a single| rotor, |
|00000800| 77 69 74 68 20 61 20 72 | 65 63 69 70 72 6f 63 61 |with a r|eciproca|
|00000810| 6c 0a 6d 61 70 70 69 6e | 67 20 2d 20 69 65 20 69 |l.mappin|g - ie i|
|00000820| 66 20 61 6e 20 69 6e 70 | 75 74 20 6f 66 20 27 41 |f an inp|ut of 'A|
|00000830| 27 20 6d 61 70 73 20 74 | 6f 20 61 6e 20 6f 75 74 |' maps t|o an out|
|00000840| 70 75 74 20 6f 66 20 27 | 5a 27 2c 20 74 68 65 6e |put of '|Z', then|
|00000850| 20 69 6e 20 74 68 65 0a | 73 61 6d 65 20 72 6f 74 | in the.|same rot|
|00000860| 6f 72 20 70 6f 73 69 74 | 69 6f 6e 2c 20 61 20 27 |or posit|ion, a '|
|00000870| 5a 27 20 6d 75 73 74 20 | 6d 61 70 20 74 6f 20 61 |Z' must |map to a|
|00000880| 6e 20 27 41 27 2e 0a 0a | 69 66 20 61 6e 79 6f 6e |n 'A'...|if anyon|
|00000890| 65 20 66 69 6e 64 73 20 | 61 20 6d 65 74 68 6f 64 |e finds |a method|
|000008a0| 20 6f 66 20 62 72 65 61 | 6b 69 6e 67 20 74 68 69 | of brea|king thi|
|000008b0| 73 20 63 72 79 70 74 20 | 70 72 6f 67 72 61 6d 2c |s crypt |program,|
|000008c0| 20 49 20 77 6f 75 6c 64 | 20 62 65 20 67 6c 61 64 | I would| be glad|
|000008d0| 0a 74 6f 20 68 65 61 72 | 20 61 62 6f 75 74 20 69 |.to hear| about i|
|000008e0| 74 2e 0a 0a 50 68 69 6c | 69 70 20 50 65 61 6b 65 |t...Phil|ip Peake|
|000008f0| 09 28 70 68 69 6c 69 70 | 40 61 78 69 73 2e 75 75 |.(philip|@axis.uu|
|00000900| 63 70 29 0a 0a 4e 4f 54 | 45 53 3a 0a 09 54 68 65 |cp)..NOT|ES:..The|
|00000910| 20 70 72 6f 67 72 61 6d | 20 6d 75 73 74 20 68 61 | program| must ha|
|00000920| 76 65 20 74 77 6f 20 6c | 69 6e 6b 73 2c 20 6f 6e |ve two l|inks, on|
|00000930| 65 20 63 61 6c 6c 65 64 | 20 63 72 79 70 74 2c 20 |e called| crypt, |
|00000940| 61 6e 64 20 74 68 65 20 | 6f 74 68 65 72 0a 09 63 |and the |other..c|
|00000950| 61 6c 6c 65 64 20 64 65 | 63 72 79 70 74 2e 20 50 |alled de|crypt. P|
|00000960| 61 73 73 69 6e 67 20 61 | 20 63 72 79 70 74 65 64 |assing a| crypted|
|00000970| 20 64 6f 63 75 6d 65 6e | 74 20 74 68 72 6f 75 67 | documen|t throug|
|00000980| 68 20 63 72 79 70 74 20 | 61 67 61 69 6e 2c 0a 09 |h crypt |again,..|
|00000990| 65 76 65 6e 20 77 69 74 | 68 20 74 68 65 20 73 61 |even wit|h the sa|
|000009a0| 6d 65 20 6b 65 79 2c 20 | 77 69 6c 6c 20 6e 6f 74 |me key, |will not|
|000009b0| 20 64 65 63 72 79 70 74 | 20 69 74 2e 0a 0a 3d 3d | decrypt| it...==|
|000009c0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000009d0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000009e0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000009f0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a00| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 0a 23 69 |========|=====.#i|
|00000a10| 6e 63 6c 75 64 65 20 3c | 73 74 64 69 6f 2e 68 3e |nclude <|stdio.h>|
|00000a20| 0a 0a 23 64 65 66 69 6e | 65 09 52 4f 54 4f 52 53 |..#defin|e.ROTORS|
|00000a30| 49 5a 09 32 35 36 0a 23 | 64 65 66 69 6e 65 09 4d |IZ.256.#|define.M|
|00000a40| 41 53 4b 09 09 30 33 37 | 37 0a 23 64 65 66 69 6e |ASK..037|7.#defin|
|00000a50| 65 09 45 4d 50 54 59 09 | 09 30 37 37 37 37 0a 23 |e.EMPTY.|.07777.#|
|00000a60| 64 65 66 69 6e 65 09 58 | 5f 53 49 5a 45 09 09 34 |define.X|_SIZE..4|
|00000a70| 30 39 39 0a 0a 63 68 61 | 72 09 2a 73 74 72 72 63 |099..cha|r.*strrc|
|00000a80| 68 72 28 29 3b 0a 0a 75 | 6e 73 69 67 6e 65 64 09 |hr();..u|nsigned.|
|00000a90| 72 31 5b 52 4f 54 4f 52 | 53 49 5a 5d 3b 0a 75 6e |r1[ROTOR|SIZ];.un|
|00000aa0| 73 69 67 6e 65 64 09 72 | 32 5b 52 4f 54 4f 52 53 |signed.r|2[ROTORS|
|00000ab0| 49 5a 5d 3b 0a 75 6e 73 | 69 67 6e 65 64 09 72 33 |IZ];.uns|igned.r3|
|00000ac0| 5b 52 4f 54 4f 52 53 49 | 5a 5d 3b 0a 0a 75 6e 73 |[ROTORSI|Z];..uns|
|00000ad0| 69 67 6e 65 64 20 63 68 | 61 72 09 78 5b 58 5f 53 |igned ch|ar.x[X_S|
|00000ae0| 49 5a 45 5d 3b 0a 0a 69 | 6e 69 74 28 70 61 73 73 |IZE];..i|nit(pass|
|00000af0| 77 6f 72 64 2c 20 64 65 | 63 72 79 70 74 29 0a 63 |word, de|crypt).c|
|00000b00| 68 61 72 09 2a 70 61 73 | 73 77 6f 72 64 3b 0a 69 |har.*pas|sword;.i|
|00000b10| 6e 74 09 64 65 63 72 79 | 70 74 3b 0a 7b 0a 09 72 |nt.decry|pt;.{..r|
|00000b20| 65 67 69 73 74 65 72 20 | 69 6e 74 09 69 6e 64 65 |egister |int.inde|
|00000b30| 78 3b 0a 09 72 65 67 69 | 73 74 65 72 20 69 6e 74 |x;..regi|ster int|
|00000b40| 09 69 3b 0a 09 69 6e 74 | 09 09 70 69 70 65 5f 66 |.i;..int|..pipe_f|
|00000b50| 64 5b 32 5d 3b 0a 09 75 | 6e 73 69 67 6e 65 64 09 |d[2];..u|nsigned.|
|00000b60| 72 61 6e 64 6f 6d 3b 0a | 09 6c 6f 6e 67 09 09 73 |random;.|.long..s|
|00000b70| 65 65 64 20 3d 20 31 32 | 33 4c 3b 0a 09 63 68 61 |eed = 12|3L;..cha|
|00000b80| 72 09 09 62 75 66 5b 31 | 33 5d 3b 0a 0a 09 73 74 |r..buf[1|3];...st|
|00000b90| 72 6e 63 70 79 28 62 75 | 66 2c 20 70 61 73 73 77 |rncpy(bu|f, passw|
|00000ba0| 6f 72 64 2c 20 38 29 3b | 0a 09 77 68 69 6c 65 20 |ord, 8);|..while |
|00000bb0| 28 2a 70 61 73 73 77 6f | 72 64 29 20 2a 70 61 73 |(*passwo|rd) *pas|
|00000bc0| 73 77 6f 72 64 2b 2b 20 | 3d 20 27 5c 30 27 3b 0a |sword++ |= '\0';.|
|00000bd0| 09 62 75 66 5b 38 5d 20 | 3d 20 62 75 66 5b 30 5d |.buf[8] |= buf[0]|
|00000be0| 3b 0a 09 62 75 66 5b 39 | 5d 20 3d 20 62 75 66 5b |;..buf[9|] = buf[|
|00000bf0| 31 5d 3b 0a 0a 09 70 69 | 70 65 28 70 69 70 65 5f |1];...pi|pe(pipe_|
|00000c00| 66 64 29 3b 0a 0a 09 69 | 66 20 28 66 6f 72 6b 28 |fd);...i|f (fork(|
|00000c10| 29 20 3d 3d 20 30 29 0a | 09 7b 0a 09 09 63 6c 6f |) == 0).|.{...clo|
|00000c20| 73 65 28 30 29 3b 0a 09 | 09 63 6c 6f 73 65 28 31 |se(0);..|.close(1|
|00000c30| 29 3b 0a 09 09 64 75 70 | 28 70 69 70 65 5f 66 64 |);...dup|(pipe_fd|
|00000c40| 5b 30 5d 29 3b 0a 09 09 | 64 75 70 28 70 69 70 65 |[0]);...|dup(pipe|
|00000c50| 5f 66 64 5b 31 5d 29 3b | 0a 09 09 65 78 65 63 6c |_fd[1]);|...execl|
|00000c60| 28 22 2f 75 73 72 2f 6c | 69 62 2f 6d 61 6b 65 6b |("/usr/l|ib/makek|
|00000c70| 65 79 22 2c 20 22 2d 22 | 2c 20 30 29 3b 0a 09 09 |ey", "-"|, 0);...|
|00000c80| 65 78 65 63 6c 28 22 2f | 6c 69 62 2f 6d 61 6b 65 |execl("/|lib/make|
|00000c90| 6b 65 79 22 2c 20 22 2d | 22 2c 20 30 29 3b 0a 09 |key", "-|", 0);..|
|00000ca0| 09 65 78 69 74 28 31 29 | 3b 0a 09 7d 0a 0a 09 77 |.exit(1)|;..}...w|
|00000cb0| 72 69 74 65 28 70 69 70 | 65 5f 66 64 5b 31 5d 2c |rite(pip|e_fd[1],|
|00000cc0| 20 62 75 66 2c 20 31 30 | 29 3b 0a 09 77 61 69 74 | buf, 10|);..wait|
|00000cd0| 28 28 69 6e 74 20 2a 29 | 20 4e 55 4c 4c 29 3b 0a |((int *)| NULL);.|
|00000ce0| 0a 09 69 66 20 28 72 65 | 61 64 28 70 69 70 65 5f |..if (re|ad(pipe_|
|00000cf0| 66 64 5b 30 5d 2c 20 62 | 75 66 2c 20 31 33 29 20 |fd[0], b|uf, 13) |
|00000d00| 21 3d 20 31 33 29 0a 09 | 7b 0a 09 09 66 70 72 69 |!= 13)..|{...fpri|
|00000d10| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 63 72 79 |ntf(stde|rr, "cry|
|00000d20| 70 74 3a 20 63 61 6e 6e | 6f 74 20 67 65 6e 65 72 |pt: cann|ot gener|
|00000d30| 61 74 65 20 6b 65 79 5c | 6e 22 29 3b 0a 09 09 65 |ate key\|n");...e|
|00000d40| 78 69 74 28 31 29 3b 0a | 09 7d 0a 0a 09 66 6f 72 |xit(1);.|.}...for|
|00000d50| 20 28 69 20 3d 20 30 20 | 3b 20 69 20 3c 20 52 4f | (i = 0 |; i < RO|
|00000d60| 54 4f 52 53 49 5a 3b 20 | 69 2b 2b 29 20 72 31 5b |TORSIZ; |i++) r1[|
|00000d70| 69 5d 20 3d 20 72 32 5b | 69 5d 20 3d 20 72 33 5b |i] = r2[|i] = r3[|
|00000d80| 69 5d 20 3d 20 45 4d 50 | 54 59 3b 0a 0a 09 66 6f |i] = EMP|TY;...fo|
|00000d90| 72 20 28 69 20 3d 20 32 | 3b 20 69 20 3c 20 31 33 |r (i = 2|; i < 13|
|00000da0| 3b 20 69 2b 2b 29 20 73 | 65 65 64 20 3d 20 73 65 |; i++) s|eed = se|
|00000db0| 65 64 20 2a 20 62 75 66 | 5b 69 5d 20 2b 20 69 3b |ed * buf|[i] + i;|
|00000dc0| 0a 0a 09 69 20 3d 20 30 | 3b 0a 09 77 68 69 6c 65 |...i = 0|;..while|
|00000dd0| 20 28 69 20 3c 20 52 4f | 54 4f 52 53 49 5a 29 0a | (i < RO|TORSIZ).|
|00000de0| 09 7b 0a 09 09 73 65 65 | 64 20 3d 20 28 6c 6f 6e |.{...see|d = (lon|
|00000df0| 67 29 28 35 4c 20 2a 20 | 73 65 65 64 20 2b 20 28 |g)(5L * |seed + (|
|00000e00| 6c 6f 6e 67 29 69 29 3b | 0a 09 09 72 61 6e 64 6f |long)i);|...rando|
|00000e10| 6d 20 3d 20 28 75 6e 73 | 69 67 6e 65 64 29 28 73 |m = (uns|igned)(s|
|00000e20| 65 65 64 20 25 20 36 35 | 35 32 31 4c 29 3b 0a 09 |eed % 65|521L);..|
|00000e30| 09 69 6e 64 65 78 20 3d | 20 28 69 6e 74 29 28 72 |.index =| (int)(r|
|00000e40| 61 6e 64 6f 6d 20 26 20 | 4d 41 53 4b 29 3b 0a 09 |andom & |MASK);..|
|00000e50| 09 69 66 20 28 72 31 5b | 69 6e 64 65 78 5d 20 3d |.if (r1[|index] =|
|00000e60| 3d 20 45 4d 50 54 59 29 | 0a 09 09 09 72 31 5b 69 |= EMPTY)|....r1[i|
|00000e70| 6e 64 65 78 5d 20 3d 20 | 69 2b 2b 3b 0a 09 09 65 |ndex] = |i++;...e|
|00000e80| 6c 73 65 0a 09 09 09 63 | 6f 6e 74 69 6e 75 65 3b |lse....c|ontinue;|
|00000e90| 0a 09 7d 0a 0a 09 69 20 | 3d 20 30 3b 0a 09 77 68 |..}...i |= 0;..wh|
|00000ea0| 69 6c 65 20 28 69 20 3c | 20 52 4f 54 4f 52 53 49 |ile (i <| ROTORSI|
|00000eb0| 5a 29 0a 09 7b 0a 09 09 | 73 65 65 64 20 3d 20 28 |Z)..{...|seed = (|
|00000ec0| 6c 6f 6e 67 29 28 35 4c | 20 2a 20 73 65 65 64 20 |long)(5L| * seed |
|00000ed0| 2b 20 28 6c 6f 6e 67 29 | 69 29 3b 0a 09 09 72 61 |+ (long)|i);...ra|
|00000ee0| 6e 64 6f 6d 20 3d 20 28 | 75 6e 73 69 67 6e 65 64 |ndom = (|unsigned|
|00000ef0| 29 28 73 65 65 64 20 25 | 20 36 35 35 32 31 4c 29 |)(seed %| 65521L)|
|00000f00| 3b 0a 09 09 69 6e 64 65 | 78 20 3d 20 28 69 6e 74 |;...inde|x = (int|
|00000f10| 29 28 72 61 6e 64 6f 6d | 20 26 20 4d 41 53 4b 29 |)(random| & MASK)|
|00000f20| 3b 0a 09 09 69 66 20 28 | 72 32 5b 69 6e 64 65 78 |;...if (|r2[index|
|00000f30| 5d 20 3d 3d 20 45 4d 50 | 54 59 29 0a 09 09 09 72 |] == EMP|TY)....r|
|00000f40| 32 5b 69 6e 64 65 78 5d | 20 3d 20 69 2b 2b 3b 0a |2[index]| = i++;.|
|00000f50| 09 09 65 6c 73 65 0a 09 | 09 09 63 6f 6e 74 69 6e |..else..|..contin|
|00000f60| 75 65 3b 0a 09 7d 0a 0a | 09 69 20 3d 20 30 3b 0a |ue;..}..|.i = 0;.|
|00000f70| 09 77 68 69 6c 65 20 28 | 69 20 3c 20 52 4f 54 4f |.while (|i < ROTO|
|00000f80| 52 53 49 5a 29 0a 09 7b | 0a 09 09 73 65 65 64 20 |RSIZ)..{|...seed |
|00000f90| 3d 20 28 6c 6f 6e 67 29 | 28 35 4c 20 2a 20 73 65 |= (long)|(5L * se|
|00000fa0| 65 64 20 2b 20 28 6c 6f | 6e 67 29 69 29 3b 0a 09 |ed + (lo|ng)i);..|
|00000fb0| 09 72 61 6e 64 6f 6d 20 | 3d 20 28 75 6e 73 69 67 |.random |= (unsig|
|00000fc0| 6e 65 64 29 28 73 65 65 | 64 20 25 20 36 35 35 32 |ned)(see|d % 6552|
|00000fd0| 31 4c 29 3b 0a 09 09 69 | 6e 64 65 78 20 3d 20 28 |1L);...i|ndex = (|
|00000fe0| 69 6e 74 29 28 72 61 6e | 64 6f 6d 20 26 20 4d 41 |int)(ran|dom & MA|
|00000ff0| 53 4b 29 3b 0a 09 09 69 | 66 20 28 72 33 5b 69 6e |SK);...i|f (r3[in|
|00001000| 64 65 78 5d 20 3d 3d 20 | 45 4d 50 54 59 29 0a 09 |dex] == |EMPTY)..|
|00001010| 09 09 72 33 5b 69 6e 64 | 65 78 5d 20 3d 20 69 2b |..r3[ind|ex] = i+|
|00001020| 2b 3b 0a 09 09 65 6c 73 | 65 0a 09 09 09 63 6f 6e |+;...els|e....con|
|00001030| 74 69 6e 75 65 3b 0a 09 | 7d 0a 0a 09 66 6f 72 20 |tinue;..|}...for |
|00001040| 28 69 20 3d 20 30 3b 20 | 69 20 3c 20 58 5f 53 49 |(i = 0; |i < X_SI|
|00001050| 5a 45 3b 20 69 2b 2b 29 | 0a 09 7b 0a 09 09 73 65 |ZE; i++)|..{...se|
|00001060| 65 64 20 3d 20 28 6c 6f | 6e 67 29 28 35 4c 20 2a |ed = (lo|ng)(5L *|
|00001070| 20 73 65 65 64 20 2b 20 | 28 6c 6f 6e 67 29 69 29 | seed + |(long)i)|
|00001080| 3b 0a 09 09 72 61 6e 64 | 6f 6d 20 3d 20 28 75 6e |;...rand|om = (un|
|00001090| 73 69 67 6e 65 64 29 28 | 73 65 65 64 20 25 20 36 |signed)(|seed % 6|
|000010a0| 35 35 32 31 4c 29 3b 0a | 09 09 78 5b 69 5d 20 3d |5521L);.|..x[i] =|
|000010b0| 20 72 61 6e 64 6f 6d 20 | 26 20 30 33 3b 0a 09 7d | random |& 03;..}|
|000010c0| 0a 0a 09 69 66 20 28 64 | 65 63 72 79 70 74 29 0a |...if (d|ecrypt).|
|000010d0| 09 7b 0a 09 09 69 6e 76 | 65 72 74 28 72 31 29 3b |.{...inv|ert(r1);|
|000010e0| 0a 09 09 69 6e 76 65 72 | 74 28 72 32 29 3b 0a 09 |...inver|t(r2);..|
|000010f0| 09 69 6e 76 65 72 74 28 | 72 33 29 3b 0a 09 7d 0a |.invert(|r3);..}.|
|00001100| 7d 0a 0a 69 6e 76 65 72 | 74 28 72 29 0a 75 6e 73 |}..inver|t(r).uns|
|00001110| 69 67 6e 65 64 20 72 5b | 52 4f 54 4f 52 53 49 5a |igned r[|ROTORSIZ|
|00001120| 5d 3b 0a 7b 0a 09 75 6e | 73 69 67 6e 65 64 09 74 |];.{..un|signed.t|
|00001130| 5b 52 4f 54 4f 52 53 49 | 5a 5d 3b 0a 09 72 65 67 |[ROTORSI|Z];..reg|
|00001140| 69 73 74 65 72 20 69 6e | 74 09 69 3b 0a 0a 09 66 |ister in|t.i;...f|
|00001150| 6f 72 20 28 69 20 3d 20 | 30 3b 20 69 20 3c 20 52 |or (i = |0; i < R|
|00001160| 4f 54 4f 52 53 49 5a 3b | 20 69 2b 2b 29 20 74 5b |OTORSIZ;| i++) t[|
|00001170| 69 5d 20 3d 20 72 5b 69 | 5d 3b 0a 09 66 6f 72 20 |i] = r[i|];..for |
|00001180| 28 69 20 3d 20 30 3b 20 | 69 20 3c 20 52 4f 54 4f |(i = 0; |i < ROTO|
|00001190| 52 53 49 5a 3b 20 69 2b | 2b 29 20 72 5b 74 5b 69 |RSIZ; i+|+) r[t[i|
|000011a0| 5d 5d 20 3d 20 69 3b 0a | 7d 0a 0a 63 72 79 70 74 |]] = i;.|}..crypt|
|000011b0| 28 29 0a 7b 0a 09 72 65 | 67 69 73 74 65 72 09 69 |().{..re|gister.i|
|000011c0| 6e 74 09 09 63 68 3b 0a | 09 72 65 67 69 73 74 65 |nt..ch;.|.registe|
|000011d0| 72 09 69 6e 74 09 09 69 | 20 20 20 20 3d 20 30 3b |r.int..i|    = 0;|
|000011e0| 0a 09 72 65 67 69 73 74 | 65 72 09 75 6e 73 69 67 |..regist|er.unsig|
|000011f0| 6e 65 64 09 6f 66 73 31 | 20 3d 20 30 3b 0a 09 72 |ned.ofs1| = 0;..r|
|00001200| 65 67 69 73 74 65 72 09 | 75 6e 73 69 67 6e 65 64 |egister.|unsigned|
|00001210| 09 6f 66 73 32 20 3d 20 | 30 3b 0a 09 72 65 67 69 |.ofs2 = |0;..regi|
|00001220| 73 74 65 72 09 75 6e 73 | 69 67 6e 65 64 09 6f 66 |ster.uns|igned.of|
|00001230| 73 33 20 3d 20 30 3b 0a | 0a 09 77 68 69 6c 65 20 |s3 = 0;.|..while |
|00001240| 28 28 63 68 20 3d 20 67 | 65 74 63 68 61 72 28 29 |((ch = g|etchar()|
|00001250| 29 20 21 3d 20 45 4f 46 | 29 0a 09 7b 0a 09 09 70 |) != EOF|)..{...p|
|00001260| 75 74 63 68 61 72 28 72 | 33 5b 72 32 5b 72 31 5b |utchar(r|3[r2[r1[|
|00001270| 63 68 2b 6f 66 73 31 26 | 4d 41 53 4b 5d 2b 6f 66 |ch+ofs1&|MASK]+of|
|00001280| 73 32 26 4d 41 53 4b 5d | 2b 6f 66 73 33 26 4d 41 |s2&MASK]|+ofs3&MA|
|00001290| 53 4b 5d 29 3b 0a 0a 09 | 09 73 77 69 74 63 68 20 |SK]);...|.switch |
|000012a0| 28 78 5b 69 5d 29 7b 0a | 09 09 63 61 73 65 20 30 |(x[i]){.|..case 0|
|000012b0| 30 3a 0a 09 09 09 09 6f | 66 73 31 20 3d 20 2b 2b |0:.....o|fs1 = ++|
|000012c0| 6f 66 73 31 20 26 20 4d | 41 53 4b 3b 0a 09 09 09 |ofs1 & M|ASK;....|
|000012d0| 09 62 72 65 61 6b 3b 0a | 09 09 63 61 73 65 20 30 |.break;.|..case 0|
|000012e0| 31 3a 0a 09 09 09 09 6f | 66 73 32 20 3d 20 2b 2b |1:.....o|fs2 = ++|
|000012f0| 6f 66 73 32 20 26 20 4d | 41 53 4b 3b 0a 09 09 09 |ofs2 & M|ASK;....|
|00001300| 09 62 72 65 61 6b 3b 0a | 09 09 63 61 73 65 20 30 |.break;.|..case 0|
|00001310| 32 3a 0a 09 09 09 09 6f | 66 73 33 20 3d 20 2b 2b |2:.....o|fs3 = ++|
|00001320| 6f 66 73 33 20 26 20 4d | 41 53 4b 3b 0a 09 09 09 |ofs3 & M|ASK;....|
|00001330| 09 62 72 65 61 6b 3b 0a | 09 09 7d 0a 0a 09 09 69 |.break;.|..}....i|
|00001340| 66 20 28 6f 66 73 31 20 | 3d 3d 20 30 29 20 6f 66 |f (ofs1 |== 0) of|
|00001350| 73 32 20 3d 20 2b 2b 6f | 66 73 32 20 26 20 4d 41 |s2 = ++o|fs2 & MA|
|00001360| 53 4b 3b 0a 09 09 69 66 | 20 28 6f 66 73 32 20 3d |SK;...if| (ofs2 =|
|00001370| 3d 20 30 29 20 6f 66 73 | 33 20 3d 20 2b 2b 6f 66 |= 0) ofs|3 = ++of|
|00001380| 73 33 20 26 20 4d 41 53 | 4b 3b 0a 0a 09 09 69 66 |s3 & MAS|K;....if|
|00001390| 20 28 2b 2b 69 20 3d 3d | 20 58 5f 53 49 5a 45 29 | (++i ==| X_SIZE)|
|000013a0| 20 69 20 3d 20 30 3b 0a | 09 7d 0a 7d 0a 0a 64 65 | i = 0;.|.}.}..de|
|000013b0| 63 72 79 70 74 28 29 0a | 7b 0a 09 72 65 67 69 73 |crypt().|{..regis|
|000013c0| 74 65 72 09 69 6e 74 09 | 09 63 68 3b 0a 09 72 65 |ter.int.|.ch;..re|
|000013d0| 67 69 73 74 65 72 09 69 | 6e 74 09 09 69 20 20 20 |gister.i|nt..i   |
|000013e0| 20 3d 20 30 3b 0a 09 72 | 65 67 69 73 74 65 72 09 | = 0;..r|egister.|
|000013f0| 75 6e 73 69 67 6e 65 64 | 09 6f 66 73 31 20 3d 20 |unsigned|.ofs1 = |
|00001400| 30 3b 0a 09 72 65 67 69 | 73 74 65 72 09 75 6e 73 |0;..regi|ster.uns|
|00001410| 69 67 6e 65 64 09 6f 66 | 73 32 20 3d 20 30 3b 0a |igned.of|s2 = 0;.|
|00001420| 09 72 65 67 69 73 74 65 | 72 09 75 6e 73 69 67 6e |.registe|r.unsign|
|00001430| 65 64 09 6f 66 73 33 20 | 3d 20 30 3b 0a 0a 09 77 |ed.ofs3 |= 0;...w|
|00001440| 68 69 6c 65 20 28 28 63 | 68 20 3d 20 67 65 74 63 |hile ((c|h = getc|
|00001450| 68 61 72 28 29 29 20 21 | 3d 20 45 4f 46 29 0a 09 |har()) !|= EOF)..|
|00001460| 7b 0a 09 09 70 75 74 63 | 68 61 72 28 72 31 5b 72 |{...putc|har(r1[r|
|00001470| 32 5b 72 33 5b 63 68 5d | 2d 6f 66 73 33 26 4d 41 |2[r3[ch]|-ofs3&MA|
|00001480| 53 4b 5d 2d 6f 66 73 32 | 26 4d 41 53 4b 5d 2d 6f |SK]-ofs2|&MASK]-o|
|00001490| 66 73 31 26 4d 41 53 4b | 29 3b 0a 0a 09 09 73 77 |fs1&MASK|);....sw|
|000014a0| 69 74 63 68 20 28 78 5b | 69 5d 29 7b 0a 09 09 63 |itch (x[|i]){...c|
|000014b0| 61 73 65 20 30 30 3a 0a | 09 09 09 09 6f 66 73 31 |ase 00:.|....ofs1|
|000014c0| 20 3d 20 2b 2b 6f 66 73 | 31 20 26 20 4d 41 53 4b | = ++ofs|1 & MASK|
|000014d0| 3b 0a 09 09 09 09 62 72 | 65 61 6b 3b 0a 09 09 63 |;.....br|eak;...c|
|000014e0| 61 73 65 20 30 31 3a 0a | 09 09 09 09 6f 66 73 32 |ase 01:.|....ofs2|
|000014f0| 20 3d 20 2b 2b 6f 66 73 | 32 20 26 20 4d 41 53 4b | = ++ofs|2 & MASK|
|00001500| 3b 0a 09 09 09 09 62 72 | 65 61 6b 3b 0a 09 09 63 |;.....br|eak;...c|
|00001510| 61 73 65 20 30 32 3a 0a | 09 09 09 09 6f 66 73 33 |ase 02:.|....ofs3|
|00001520| 20 3d 20 2b 2b 6f 66 73 | 33 20 26 20 4d 41 53 4b | = ++ofs|3 & MASK|
|00001530| 3b 0a 09 09 09 09 62 72 | 65 61 6b 3b 0a 09 09 7d |;.....br|eak;...}|
|00001540| 0a 0a 09 09 69 66 20 28 | 6f 66 73 31 20 3d 3d 20 |....if (|ofs1 == |
|00001550| 30 29 20 6f 66 73 32 20 | 3d 20 2b 2b 6f 66 73 32 |0) ofs2 |= ++ofs2|
|00001560| 20 26 20 4d 41 53 4b 3b | 0a 09 09 69 66 20 28 6f | & MASK;|...if (o|
|00001570| 66 73 32 20 3d 3d 20 30 | 29 20 6f 66 73 33 20 3d |fs2 == 0|) ofs3 =|
|00001580| 20 2b 2b 6f 66 73 33 20 | 26 20 4d 41 53 4b 3b 0a | ++ofs3 |& MASK;.|
|00001590| 0a 09 09 69 66 20 28 2b | 2b 69 20 3d 3d 20 58 5f |...if (+|+i == X_|
|000015a0| 53 49 5a 45 29 20 69 20 | 3d 20 30 3b 0a 09 7d 0a |SIZE) i |= 0;..}.|
|000015b0| 7d 0a 0a 6d 61 69 6e 28 | 61 72 67 63 2c 20 61 72 |}..main(|argc, ar|
|000015c0| 67 76 29 0a 69 6e 74 09 | 61 72 67 63 3b 0a 63 68 |gv).int.|argc;.ch|
|000015d0| 61 72 09 2a 61 72 67 76 | 5b 5d 3b 0a 7b 0a 09 69 |ar.*argv|[];.{..i|
|000015e0| 6e 74 09 66 6c 61 67 3b | 0a 09 63 68 61 72 09 2a |nt.flag;|..char.*|
|000015f0| 70 3b 0a 0a 09 70 20 3d | 20 73 74 72 72 63 68 72 |p;...p =| strrchr|
|00001600| 28 61 72 67 76 5b 30 5d | 2c 20 27 2f 27 29 3b 0a |(argv[0]|, '/');.|
|00001610| 0a 09 69 66 20 28 70 20 | 3d 3d 20 4e 55 4c 4c 29 |..if (p |== NULL)|
|00001620| 20 70 20 3d 20 61 72 67 | 76 5b 30 5d 3b 0a 09 65 | p = arg|v[0];..e|
|00001630| 6c 73 65 20 2b 2b 70 3b | 0a 0a 09 69 66 20 28 73 |lse ++p;|...if (s|
|00001640| 74 72 63 6d 70 28 70 2c | 20 22 63 72 79 70 74 22 |trcmp(p,| "crypt"|
|00001650| 29 20 3d 3d 20 30 29 20 | 66 6c 61 67 20 3d 20 30 |) == 0) |flag = 0|
|00001660| 3b 0a 09 65 6c 73 65 09 | 09 09 09 20 20 20 66 6c |;..else.|...   fl|
|00001670| 61 67 20 3d 20 31 3b 0a | 0a 09 69 66 20 28 61 72 |ag = 1;.|..if (ar|
|00001680| 67 63 20 21 3d 20 32 29 | 0a 09 09 69 6e 69 74 28 |gc != 2)|...init(|
|00001690| 67 65 74 70 61 73 73 28 | 22 45 6e 74 65 72 20 6b |getpass(|"Enter k|
|000016a0| 65 79 3a 20 22 29 2c 20 | 66 6c 61 67 29 3b 0a 09 |ey: "), |flag);..|
|000016b0| 65 6c 73 65 0a 09 09 69 | 6e 69 74 28 61 72 67 76 |else...i|nit(argv|
|000016c0| 5b 31 5d 2c 20 66 6c 61 | 67 29 3b 0a 0a 09 69 66 |[1], fla|g);...if|
|000016d0| 20 28 66 6c 61 67 29 20 | 64 65 63 72 79 70 74 28 | (flag) |decrypt(|
|000016e0| 29 3b 0a 09 65 6c 73 65 | 20 20 20 20 20 20 63 72 |);..else|      cr|
|000016f0| 79 70 74 28 29 3b 0a 7d | 0a 0a 0a 46 72 6f 6d 20 |ypt();.}|...From |
|00001700| 70 68 69 6c 69 70 40 61 | 78 69 73 2e 55 55 43 50 |philip@a|xis.UUCP|
|00001710| 20 57 65 64 20 46 65 62 | 20 31 38 20 30 36 3a 31 | Wed Feb| 18 06:1|
|00001720| 37 3a 32 34 20 31 39 38 | 37 0a 50 61 74 68 3a 20 |7:24 198|7.Path: |
|00001730| 62 65 6e 6f 21 73 65 69 | 73 6d 6f 21 6d 63 76 61 |beno!sei|smo!mcva|
|00001740| 78 21 69 6e 72 69 61 21 | 61 78 69 73 21 70 68 69 |x!inria!|axis!phi|
|00001750| 6c 69 70 0a 46 72 6f 6d | 3a 20 70 68 69 6c 69 70 |lip.From|: philip|
|00001760| 40 61 78 69 73 2e 55 55 | 43 50 0a 4e 65 77 73 67 |@axis.UU|CP.Newsg|
|00001770| 72 6f 75 70 73 3a 20 6e | 65 74 2e 73 6f 75 72 63 |roups: n|et.sourc|
|00001780| 65 73 0a 53 75 62 6a 65 | 63 74 3a 20 43 72 79 70 |es.Subje|ct: Cryp|
|00001790| 74 20 70 72 6f 67 72 61 | 6d 20 2d 20 6d 6f 64 73 |t progra|m - mods|
|000017a0| 2e 0a 4b 65 79 77 6f 72 | 64 73 3a 20 6d 61 6b 65 |..Keywor|ds: make|
|000017b0| 6b 65 79 20 72 65 70 6c | 61 63 65 6d 65 6e 74 20 |key repl|acement |
|000017c0| 63 6f 64 65 0a 4d 65 73 | 73 61 67 65 2d 49 44 3a |code.Mes|sage-ID:|
|000017d0| 20 3c 31 38 30 40 61 78 | 69 73 2e 55 55 43 50 3e | <180@ax|is.UUCP>|
|000017e0| 0a 44 61 74 65 3a 20 31 | 38 20 46 65 62 20 38 37 |.Date: 1|8 Feb 87|
|000017f0| 20 31 31 3a 31 37 3a 32 | 34 20 47 4d 54 0a 4f 72 | 11:17:2|4 GMT.Or|
|00001800| 67 61 6e 69 7a 61 74 69 | 6f 6e 3a 20 41 78 69 73 |ganizati|on: Axis|
|00001810| 20 44 69 67 69 74 61 6c | 2c 20 50 61 72 69 73 0a | Digital|, Paris.|
|00001820| 4c 69 6e 65 73 3a 20 37 | 33 0a 50 6f 73 74 65 64 |Lines: 7|3.Posted|
|00001830| 3a 20 57 65 64 20 46 65 | 62 20 31 38 20 31 31 3a |: Wed Fe|b 18 11:|
|00001840| 31 37 3a 32 34 20 31 39 | 38 37 0a 0a 49 6e 20 74 |17:24 19|87..In t|
|00001850| 68 65 20 63 72 79 70 74 | 20 70 72 6f 67 72 61 6d |he crypt| program|
|00001860| 20 49 20 72 65 63 65 6e | 74 6c 79 20 70 6f 73 74 | I recen|tly post|
|00001870| 65 64 2c 20 74 68 65 72 | 65 20 77 61 73 20 61 20 |ed, ther|e was a |
|00001880| 63 61 6c 6c 20 6d 61 64 | 65 20 74 6f 20 61 0a 73 |call mad|e to a.s|
|00001890| 6d 61 6c 6c 20 70 72 6f | 67 72 61 6d 20 22 2f 75 |mall pro|gram "/u|
|000018a0| 73 72 2f 6c 69 62 2f 6d | 61 6b 65 6b 65 79 22 2e |sr/lib/m|akekey".|
|000018b0| 20 41 70 70 61 72 65 6e | 74 6c 79 20 74 68 69 73 | Apparen|tly this|
|000018c0| 20 64 6f 65 73 20 6e 6f | 74 20 65 78 69 73 74 20 | does no|t exist |
|000018d0| 6f 6e 20 61 6c 6c 0a 2a | 49 58 2a 20 6d 61 63 68 |on all.*|IX* mach|
|000018e0| 69 6e 65 73 2e 0a 0a 49 | 20 72 65 61 6c 6c 79 20 |ines...I| really |
|000018f0| 64 6f 6e 74 20 73 65 65 | 20 77 68 79 20 2d 20 69 |dont see| why - i|
|00001900| 74 20 69 73 20 61 20 34 | 20 6f 72 20 35 20 6c 69 |t is a 4| or 5 li|
|00001910| 6e 65 20 70 72 6f 67 72 | 61 6d 20 77 68 69 63 68 |ne progr|am which|
|00001920| 20 72 65 61 64 73 20 61 | 0a 70 61 73 73 77 6f 72 | reads a|.passwor|
|00001930| 64 20 6f 6e 20 69 74 73 | 20 73 74 64 69 6e 2c 20 |d on its| stdin, |
|00001940| 61 6e 64 20 70 72 69 6e | 74 73 20 74 68 65 20 65 |and prin|ts the e|
|00001950| 6e 63 72 79 70 74 65 64 | 20 72 65 73 75 6c 74 20 |ncrypted| result |
|00001960| 6f 6e 20 69 74 73 20 73 | 74 64 6f 75 74 2c 0a 75 |on its s|tdout,.u|
|00001970| 73 69 6e 67 20 65 78 61 | 63 74 6c 79 20 74 68 65 |sing exa|ctly the|
|00001980| 20 73 61 6d 65 20 72 6f | 75 74 69 6e 65 73 20 61 | same ro|utines a|
|00001990| 73 20 70 61 73 73 77 64 | 20 64 6f 65 73 2e 0a 0a |s passwd| does...|
|000019a0| 52 61 74 68 65 72 20 74 | 68 61 6e 20 72 65 2d 77 |Rather t|han re-w|
|000019b0| 72 69 74 65 20 74 68 65 | 20 70 72 6f 67 72 61 6d |rite the| program|
|000019c0| 2c 20 49 20 68 61 76 65 | 20 6d 61 64 65 20 73 6f |, I have| made so|
|000019d0| 6d 65 20 6d 6f 64 73 20 | 74 6f 20 74 68 65 20 63 |me mods |to the c|
|000019e0| 72 79 70 74 20 73 6f 75 | 72 63 65 0a 74 6f 20 6d |rypt sou|rce.to m|
|000019f0| 61 6b 65 20 74 68 65 20 | 63 61 6c 6c 73 20 64 69 |ake the |calls di|
|00001a00| 72 65 63 74 6c 79 2e 0a | 0a 53 69 6e 63 65 20 74 |rectly..|.Since t|
|00001a10| 68 65 20 6c 69 62 72 61 | 72 79 20 72 6f 75 74 69 |he libra|ry routi|
|00001a20| 6e 65 20 69 73 20 63 61 | 6c 6c 65 64 20 27 63 72 |ne is ca|lled 'cr|
|00001a30| 79 70 74 27 2c 20 74 68 | 65 20 72 6f 75 74 69 6e |ypt', th|e routin|
|00001a40| 65 20 77 69 74 68 69 6e | 20 6d 79 20 70 72 6f 67 |e within| my prog|
|00001a50| 72 61 6d 0a 68 61 73 20 | 74 6f 20 63 68 61 6e 67 |ram.has |to chang|
|00001a60| 65 20 69 74 73 20 6e 61 | 6d 65 2c 20 27 65 6e 63 |e its na|me, 'enc|
|00001a70| 72 79 70 74 27 20 69 73 | 20 61 6c 73 6f 20 75 73 |rypt' is| also us|
|00001a80| 65 64 20 69 6e 20 74 68 | 65 20 6c 69 62 72 61 72 |ed in th|e librar|
|00001a90| 79 2c 20 73 6f 20 74 68 | 65 0a 66 69 6e 61 6c 20 |y, so th|e.final |
|00001aa0| 6e 61 6d 65 20 63 68 61 | 6e 67 65 20 69 73 20 74 |name cha|nge is t|
|00001ab0| 6f 20 27 65 6e 63 6f 64 | 65 27 2e 0a 0a 54 68 65 |o 'encod|e'...The|
|00001ac0| 20 66 6f 6c 6c 6f 77 69 | 6e 67 20 69 73 20 61 20 | followi|ng is a |
|00001ad0| 64 69 66 66 20 6f 66 20 | 74 68 65 20 63 68 61 6e |diff of |the chan|
|00001ae0| 67 65 73 20 72 65 71 75 | 69 72 65 64 20 28 61 63 |ges requ|ired (ac|
|00001af0| 74 75 61 6c 6c 79 2c 20 | 74 68 65 20 73 6f 75 72 |tually, |the sour|
|00001b00| 63 65 20 62 65 63 6f 6d | 65 73 0a 73 6d 61 6c 6c |ce becom|es.small|
|00001b10| 65 72 20 61 6e 64 20 73 | 69 6d 70 6c 65 72 20 2e |er and s|impler .|
|00001b20| 2e 2e 2e 20 29 0a 0a 3d | 3d 3d 3d 3d 3d 3d 3d 3d |... )..=|========|
|00001b30| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001b40| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001b50| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001b60| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001b70| 3d 3d 3d 0a 0a 31 39 61 | 32 30 0a 3e 20 09 63 68 |===..19a|20.> .ch|
|00001b80| 61 72 09 09 2a 63 72 79 | 70 74 28 29 3b 0a 32 32 |ar..*cry|pt();.22|
|00001b90| 64 32 32 0a 3c 20 09 69 | 6e 74 09 09 70 69 70 65 |d22.< .i|nt..pipe|
|00001ba0| 5f 66 64 5b 32 5d 3b 0a | 32 35 63 32 35 2c 32 37 |_fd[2];.|25c25,27|
|00001bb0| 0a 3c 20 09 63 68 61 72 | 09 09 62 75 66 5b 31 33 |.< .char|..buf[13|
|00001bc0| 5d 3b 0a 2d 2d 2d 0a 3e | 20 09 63 68 61 72 09 09 |];.---.>| .char..|
|00001bd0| 62 75 66 5b 31 34 5d 3b | 0a 3e 20 09 63 68 61 72 |buf[14];|.> .char|
|00001be0| 09 09 6b 65 79 5b 39 5d | 3b 0a 3e 20 09 63 68 61 |..key[9]|;.> .cha|
|00001bf0| 72 09 09 73 61 6c 74 5b | 33 5d 3b 0a 32 37 2c 33 |r..salt[|3];.27,3|
|00001c00| 30 63 32 39 2c 33 32 0a | 3c 20 09 73 74 72 6e 63 |0c29,32.|< .strnc|
|00001c10| 70 79 28 62 75 66 2c 20 | 70 61 73 73 77 6f 72 64 |py(buf, |password|
|00001c20| 2c 20 38 29 3b 0a 3c 20 | 09 77 68 69 6c 65 20 28 |, 8);.< |.while (|
|00001c30| 2a 70 61 73 73 77 6f 72 | 64 29 20 2a 70 61 73 73 |*passwor|d) *pass|
|00001c40| 77 6f 72 64 2b 2b 20 3d | 20 27 5c 30 27 3b 0a 3c |word++ =| '\0';.<|
|00001c50| 20 09 62 75 66 5b 38 5d | 20 3d 20 62 75 66 5b 30 | .buf[8]| = buf[0|
|00001c60| 5d 3b 0a 3c 20 09 62 75 | 66 5b 39 5d 20 3d 20 62 |];.< .bu|f[9] = b|
|00001c70| 75 66 5b 31 5d 3b 0a 2d | 2d 2d 0a 3e 20 09 73 74 |uf[1];.-|--.> .st|
|00001c80| 72 6e 63 70 79 28 6b 65 | 79 2c 20 70 61 73 73 77 |rncpy(ke|y, passw|
|00001c90| 6f 72 64 2c 20 38 29 3b | 0a 3e 20 09 73 61 6c 74 |ord, 8);|.> .salt|
|00001ca0| 5b 30 5d 20 3d 20 6b 65 | 79 5b 30 5d 3b 0a 3e 20 |[0] = ke|y[0];.> |
|00001cb0| 09 73 61 6c 74 5b 31 5d | 20 3d 20 6b 65 79 5b 31 |.salt[1]| = key[1|
|00001cc0| 5d 3b 0a 3e 20 09 73 61 | 6c 74 5b 32 5d 20 3d 20 |];.> .sa|lt[2] = |
|00001cd0| 27 5c 30 27 3b 0a 33 32 | 63 33 34 0a 3c 20 09 70 |'\0';.32|c34.< .p|
|00001ce0| 69 70 65 28 70 69 70 65 | 5f 66 64 29 3b 0a 2d 2d |ipe(pipe|_fd);.--|
|00001cf0| 2d 0a 3e 20 09 73 74 72 | 6e 63 70 79 28 62 75 66 |-.> .str|ncpy(buf|
|00001d00| 2c 20 63 72 79 70 74 28 | 6b 65 79 2c 20 73 61 6c |, crypt(|key, sal|
|00001d10| 74 29 2c 20 31 33 29 3b | 0a 33 34 2c 35 33 64 33 |t), 13);|.34,53d3|
|00001d20| 35 0a 3c 20 09 69 66 20 | 28 66 6f 72 6b 28 29 20 |5.< .if |(fork() |
|00001d30| 3d 3d 20 30 29 0a 3c 20 | 09 7b 0a 3c 20 09 09 63 |== 0).< |.{.< ..c|
|00001d40| 6c 6f 73 65 28 30 29 3b | 0a 3c 20 09 09 63 6c 6f |lose(0);|.< ..clo|
|00001d50| 73 65 28 31 29 3b 0a 3c | 20 09 09 64 75 70 28 70 |se(1);.<| ..dup(p|
|00001d60| 69 70 65 5f 66 64 5b 30 | 5d 29 3b 0a 3c 20 09 09 |ipe_fd[0|]);.< ..|
|00001d70| 64 75 70 28 70 69 70 65 | 5f 66 64 5b 31 5d 29 3b |dup(pipe|_fd[1]);|
|00001d80| 0a 3c 20 09 09 65 78 65 | 63 6c 28 22 2f 75 73 72 |.< ..exe|cl("/usr|
|00001d90| 2f 6c 69 62 2f 6d 61 6b | 65 6b 65 79 22 2c 20 22 |/lib/mak|ekey", "|
|00001da0| 2d 22 2c 20 30 29 3b 0a | 3c 20 09 09 65 78 65 63 |-", 0);.|< ..exec|
|00001db0| 6c 28 22 2f 6c 69 62 2f | 6d 61 6b 65 6b 65 79 22 |l("/lib/|makekey"|
|00001dc0| 2c 20 22 2d 22 2c 20 30 | 29 3b 0a 3c 20 09 09 65 |, "-", 0|);.< ..e|
|00001dd0| 78 69 74 28 31 29 3b 0a | 3c 20 09 7d 0a 3c 20 0a |xit(1);.|< .}.< .|
|00001de0| 3c 20 09 77 72 69 74 65 | 28 70 69 70 65 5f 66 64 |< .write|(pipe_fd|
|00001df0| 5b 31 5d 2c 20 62 75 66 | 2c 20 31 30 29 3b 0a 3c |[1], buf|, 10);.<|
|00001e00| 20 09 77 61 69 74 28 28 | 69 6e 74 20 2a 29 20 4e | .wait((|int *) N|
|00001e10| 55 4c 4c 29 3b 0a 3c 20 | 0a 3c 20 09 69 66 20 28 |ULL);.< |.< .if (|
|00001e20| 72 65 61 64 28 70 69 70 | 65 5f 66 64 5b 30 5d 2c |read(pip|e_fd[0],|
|00001e30| 20 62 75 66 2c 20 31 33 | 29 20 21 3d 20 31 33 29 | buf, 13|) != 13)|
|00001e40| 0a 3c 20 09 7b 0a 3c 20 | 09 09 66 70 72 69 6e 74 |.< .{.< |..fprint|
|00001e50| 66 28 73 74 64 65 72 72 | 2c 20 22 63 72 79 70 74 |f(stderr|, "crypt|
|00001e60| 3a 20 63 61 6e 6e 6f 74 | 20 67 65 6e 65 72 61 74 |: cannot| generat|
|00001e70| 65 20 6b 65 79 5c 6e 22 | 29 3b 0a 3c 20 09 09 65 |e key\n"|);.< ..e|
|00001e80| 78 69 74 28 31 29 3b 0a | 3c 20 09 7d 0a 3c 20 0a |xit(1);.|< .}.< .|
|00001e90| 31 31 39 63 31 30 31 0a | 3c 20 63 72 79 70 74 28 |119c101.|< crypt(|
|00001ea0| 29 0a 2d 2d 2d 0a 3e 20 | 65 6e 63 6f 64 65 28 29 |).---.> |encode()|
|00001eb0| 0a 32 30 32 63 31 38 34 | 0a 3c 20 09 65 6c 73 65 |.202c184|.< .else|
|00001ec0| 20 20 20 20 20 20 63 72 | 79 70 74 28 29 3b 0a 2d |      cr|ypt();.-|
|00001ed0| 2d 2d 0a 3e 20 09 65 6c | 73 65 20 20 20 20 20 20 |--.> .el|se      |
|00001ee0| 65 6e 63 6f 64 65 28 29 | 3b 0a 0a 0a             |encode()|;...    |
+--------+-------------------------+-------------------------+--------+--------+