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Added an XOR cipher #135

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Merged
itsvinayak merged 3 commits into from
Jun 23, 2020
Merged

Added an XOR cipher #135

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5883f3d
Added an XOR cipher
LethargicLeprechaun May 2, 2020
d10bf63
Rename xor_cipher.js to XORCipher.js
itsvinayak Jun 23, 2020
955e083
Update XORCipher.js
itsvinayak Jun 23, 2020
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26 changes: 26 additions & 0 deletions Ciphers/XORCipher.js
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Original file line number Diff line number Diff line change
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/**
* The XOR cipher is a type of additive cipher.
* Each character is bitwise XORed with the key.
* We loop through the input string, XORing each
* character with the key.
*/

/**
* Encrypt using an XOR cipher
* @param {String} str - String to be encrypted
* @param {Number} key - key for encryption
* @return {String} encrypted string
*/

function XOR (str, key) {
let result = ''
for (const elem of str) {
result += String.fromCharCode(elem.charCodeAt(0) ^ key)
}
return result
}

const encryptedString = XOR('test string', 32)
console.log('Encrypted: ', encryptedString)
const decryptedString = XOR(encryptedString, 32)
console.log('Decrypted: ', decryptedString)
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