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| =Enigma Articles= | | =Enigma Articles= |
| + | *[http://en.wikipedia.org/wiki/Enigma_machine Wikipedia article: Enigma machine] |
| + | *[http://www.cryptomuseum.com/crypto/enigma/ Enigma from the Crypto Museum] |
| + | |
| = 8 bit Enigma machine = | | = 8 bit Enigma machine = |
− | *[[Enigma/Example C-program 8 bit|8 bit enigma for crypting/decrypting files]] | + | *[[Enigma/primer|Enigma Primer]] |
− | == Number of possible keys when using three wheels== | + | ==Programs and files== |
− | In the example below there is a caculation of possible keys that is
| + | There are three C-programs and four file in this project. All singlethreaded C programs. |
− | *Three whells of 8 bit each diffently coded (fx. wheel[0]=67,wheel[1]=234 .. wheel[67]=165 .. ) | + | *[[Enigma/makewheel.c|makewheel.c]] which will make Random 8 bit Enigma Wheels |
− | *An 8 bit Rotor-Reflector which is symmetricaly coded. (Fx. rr[0]=67 then rr[67]=0 etc. ) | + | *[[Enigma/wheels.h|wheels.h]] is an example of Random wheels made by [[Enigma/makewheel.c|makewheel.c]] |
− | *When the encryption/decryption starts each wheel can be in 1 of 256 positions. Called the notch position | + | *[[Enigma/enigma8.|enigma8.c]] whild will Crypt and Decrypt plainfiles. |
− | <source lang=cli>
| + | *[[Enigma/enigma8crack.c|enigma8crack.c]] is a singlethreaded attempt to break a crypted file with a known Crib<ref>A Crib is a known plaintext message in the crypted message. You can Brute-force the crypted message until you get a match on the Crib</ref> |
− | heth@MachoGPU:~/enigma$ <input>bc</input>
| + | =Network= |
− | bc 1.06.95
| + | *clusterh: 83.90.239.180 |
− | Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
| + | =Footnotes= |
− | This is free software with ABSOLUTELY NO WARRANTY.
| + | <references/> |
− | For details type `warranty'.
| + | [[Category:CoE]] |
− | <input>/* Define the Factorial function */ | |
− | define frac(x) {
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− | if (x>1) {
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− | return (x * f (x-1))
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− | }
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− | return (1)
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− | | |
− | }
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− | | |
− | /* Number of possible alterations of a 8 bit wheel */
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− | wheel=frac(256)
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− | print wheel</input>
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− | 85781777534284265411908227168123262515778152027948561985965565037726\
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− | 94525531475893774402913604514084503758853423365843061571968346936964\
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− | 75322289288497426025679637332563368786442675207626794560187968867971\
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− | 52114330770207752664645146470918732610083287632570281898077367178145\
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− | 41702505230186084953190681382574810702528175594594769870346657127381\
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− | 39286205234756808218860701203611083152093501947437109101726968262861\
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− | 60626366243502284094419140842461593600000000000000000000000000000000\
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− | 0000000000000000000000000000000
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− | | |
− | <input> /* Number of installed wheels in enigma */
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− | numberofwheels=3
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− | | |
− | /* Number of possible alterations of the 8 bit rotor-reflector.
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− | The rotor-reflector can't point to it-self. (fx. location 8 can't be 8)
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− | */
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− | rotorreflector=frac(255)
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− | print rotorreflector</input>
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− | 33508506849329791176526651237548149420225840635917407025767798842862\
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− | 08799035732771005626138126763314259280802118502282445926550135522251\
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− | 85672769253319307041281108333032565932204170002979216625073425339051\
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− | 37544660457112403384627010340202629925813784231472766366436471553963\
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− | 05352541105541439434840109915068285430675068591638581980604162940383\
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− | 35658673919826878210492461407660579356286524198217620742862096977680\
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− | 31494674313868079724382476891586560000000000000000000000000000000000\
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− | 00000000000000000000000000000
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− | <input>
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− | | |
− | /* Number of possible startpositions of the three wheels.
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− | they are called a notch from the original mechanical solution
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− | */
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− | notches=256*256*256
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− | print notches</input>
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− | 16777216
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− | <input>
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− | /*Total number of Keys when using a 8 bit Enigma with three wheels */
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− | wheel*numberofwheels*rotorreflector*notches</input>
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− | 14467425940815419878550914285328747194412838285887202913906796612290\
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− | 67116765686074239837002699523310587812021105128921519898929662849673\
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− | 80231859551685345801700678590340949512766773530970639425397581454798\
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− | 34629363249827620200556239557412599222204518999540726185192515996315\
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− | 06978129392323972906002241190936561257411009104030200763332968508802\
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− | 10053380885667825490547810051729838486330141341759611086561117956500\
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− | 02210195590742957751653052758866489611046357269440002628221514248948\
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− | 17132504901094529220429149272922120473850361954385338800798632554213\
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− | 60438811591136370963675381915493290515801660130577959111839885736840\
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− | 77541504957308491144024012326090397003948528853785364705857026051935\
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− | 47050340165465982389653696093503539510788359067272108792866788729818\
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− | 77493077624052679059588612553113715864219395902995530561734847463169\
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− | 09861780870355495760296743612825305064871402809304345105972352826182\
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− | 65297223680000000000000000000000000000000000000000000000000000000000\
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− | 00000000000000000000000000000000000000000000000000000000000000000000
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− | </source>
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− | {{Source cli}}
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There are three C-programs and four file in this project. All singlethreaded C programs.