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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Substitution-cipher/Mathematica/substitution-cipher.math Normal file
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SeedRandom[1234];
a=Characters@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ";
map=Thread[a->RandomSample[a]];
ClearAll[SubstitutionCipherEncode,SubstitutionCipherDecode]
SubstitutionCipherEncode[input_String,map_]:=StringReplace[input,map]
SubstitutionCipherDecode[input_String,map_]:=StringReplace[input,Reverse/@map]
str="The quick brown fox jumps over the lazy dog,who barks VERY loudly!";
encoded=SubstitutionCipherEncode[str,map]
decoded=SubstitutionCipherDecode[encoded,map]
str===decoded