deguise

This is a library of pen-and-paper ciphers (not secure encryptions). They are excellent for quickly and easily obscuring/obfuscating text however, and while they are not technically encryptions, many have still eva

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All of the algorithms have a similar set of methods: encrypt and decrypt. These methods do differ in what arguments they take, however.

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For the rest of the documentation I will use the variables message to represent the text to be enciphered, key to represent a numerical key, passphrase to represent a textual key, and alphabetKey to represent a possible string to alter the alphabet used.

Initialization

• Atbash: constructor()
• ROT: constructor(key)
• Substitution: constructor()
• Affine: constructor(a, b) where a is the multiplicand and b is the addend
• OTP: constructor(passphrase)
• Vigenere: constructor(passphrase)
• Gronsfeld: constructor(key)
• Skip: constructor(key)

Encryption

• Atbash: encrypt(message)
• ROT: encrypt(message[, alphabetKey = ""])
• Substitution: encrypt(message, alphabetKey) (the message won't change if alphabetKey == "")
• Affine: encrypt(message[, alphabetKey = ""])
• OTP: encrypt(message)
• Vigenere: encrypt(message[, alphabetKey = ""])
• Gronsfeld: encrypt(message[, alphabetKey = ""])
• Skip: encrypt(message[, alphabetKey = ""])

Decryption

• Atbash: decrypt(message)
• ROT: decrypt(message[, alphabetKey = ""])
• Substitution: decrypt(message, alphabetKey)
• Affine: decrypt(message[, alphabetKey = ""])
• OTP: decrypt(message)
• Vigenere: decrypt(message[, alphabetKey = ""])
• Gronsfeld: decrypt(message[, alphabetKey = ""])
• Skip: decrypt(message[, alphabetKey = ""])

Example

const { Vigenere } = require("deguise");

const cipher = new Vigenere("passphrase");

var encrypted = cipher.encrypt("Hello world!");
var decrypted = cipher.decrypt(encrypted);

console.log(encrypted); // "WEDDD DFRDH!"
console.log(decrypted); // "HELLO WORLD!"