My Tailor is Rich

crypto FCSC 2022 solved on

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Description

Your colleagues, experts in reverse engineering, have reconstructed a password encoding algorithm of one specific equipment. They suspect that it is cryptographically weak but they need your help to prove it.

Files

Authors

Ludo
Cryptanalyse

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2022-crypto-my-tailor-is-rich/docker-compose.public.yml -o docker-compose.yml
  2. Launch the challenge by executing in the same folder:
    docker compose up
  3. Then, in another console, access the challenge with Netcat:
    nc localhost 4000
⚠️ Important: You must solve the challenge by interacting with the Docker container through the exposed network port. Any other way is not considered valid.

In case you encounter problems, please consult the FAQ.

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