Simple substitution cipher module.
It basically consists of substituting every plaintext character for a different ciphertext character. It differs from the Caesar cipher in that the cipher alphabet is not simply the alphabet shifted, it is completely jumbled.
npm install klefki --save
var klefki = require('klefki'),
_word = 'abracadabra',
_myKey = 'myKey',
_cipher = '';
_cipher = klefki.ciphers.simpleSubstitution.encrypt(_word, _myKey);
klefki.ciphers.simpleSubstitution.decrypt(_cipher) === _word; // true
npm test
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