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Labs / Crypto Cipher

  • Daily Challenge
  • Released 04 Jul 2025
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Daily Challenge

Crypto Cipher - Challenge Description

Challenge Overview

Welcome to Crypto Cipher! In this challenge, you'll face a message encrypted with a classic cipher. Your mission is to break the cipher and reveal the hidden flag. This challenge will test your cryptanalysis skills and your ability to recognize and break classical encryption schemes.

Learning Objectives

  • Understand classical encryption methods and their weaknesses
  • Practice cryptanalysis techniques
  • Develop skills in pattern recognition and frequency analysis

Challenge Details

The message provided on the challenge page is encrypted using a classical cipher and then encoded. The flag is a UUID format. Your task is to decrypt the message and extract the flag.

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