XOR.js

export const encryptXOR = (text: string, key: string) => {
  const bytes = utf8.encode(text);
  const output = [];

  for (let i = 0; i < bytes.length; i++) {
    output[i] = String.fromCharCode(
      bytes[i].charCodeAt(0) ^ key[i % key.length].charCodeAt(0)
    );
  }

  return base64.encode(output.join(''));
};