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Ingy döt Net 2026-04-30 12:34:36 -04:00
parent 4bb20c9b71
commit cbaf4c4b64
12390 changed files with 318560 additions and 27248 deletions
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40
Task/Vigen-re-cipher/CoffeeScript/vigen-re-cipher.coffee
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@ -2,28 +2,28 @@
code = (char) -> char.charCodeAt()
encrypt = (text, key) ->
res = []
j = 0
for c in text.toUpperCase()
continue if c < 'A' or c > 'Z'
res.push ((code c) + (code key[j]) - 130) % 26 + 65
j = ++j % key.length
String.fromCharCode res...
res = []
j = 0
for c in text.toUpperCase()
continue if c < 'A' or c > 'Z'
res.push ((code c) + (code key[j]) - 130) % 26 + 65
j = ++j % key.length
String.fromCharCode res...
decrypt = (text, key) ->
res = []
j = 0
for c in text.toUpperCase()
continue if c < 'A' or c > 'Z'
res.push ((code c) - (code key[j]) + 26) % 26 + 65
j = ++j % key.length
String.fromCharCode res...
res = []
j = 0
for c in text.toUpperCase()
continue if c < 'A' or c > 'Z'
res.push ((code c) - (code key[j]) + 26) % 26 + 65
j = ++j % key.length
String.fromCharCode res...
# Trying it out
key = "VIGENERECIPHER"