slug: elfs_base64_cocoa
title: "Elf's Base64 Cocoa"
description: "Elfs wrote a naive multi-encoding wrapper to hide key that opens a secret vault of presents. They swore it's totally secure because it's 'encoded multiple times.' All you found is an encoded blob and a debug log. Can you unwrap it and recover the flag?"
category: "crypto"
points: 200
is_visible: true
complexity: 2
attachments:
  - "public/log.txt"
  - "public/message.txt"
flag_plaintext: "CTF{b4s364_m4d3_3v3ryth1ng_b3tt3r}"