Bugs Buggy Easy

crypto RSA FCSC 2020 solved on

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Description

This signature service seems buggy: could you have a look?

Note : the challenge Bugs Buggy from FCSC 2020 has been split into two challenges for Hackropole. A more complex variant is available here: Bugs Buggy.

Files

Author

Cryptanalyse

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2020-crypto-bugs-buggy-easy/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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