2020 EUROPEAN CYBER SECURITY CHALLENGE

3-7 November 2020

Vienna, Austria

Cracking One-Time Pad

Event ECSC2021
Tags Crypto
Difficulty
Easy
Additional Info
Description

You have managed to acquire two encrypted messages and a plain text message that corresponds to one of the encrypted messages.

Tasks

Identify the encryption key and recover the other plaintext.

Proof of completion: Flag from the decrypted file.