Function xorEncode

7.GraphQL Apocalypse/server/crypto/flagEncoder.ts:13–18

(str: string, key: number)

}

function xorEncode(str: string, key: number): string {
  return str
    .split('')
    .map((char) => String.fromCharCode(char.charCodeAt(0) ^ key))
    .join('');
}

export function encodeFlag(flag: string): string {
  const step1 = rot13(flag);