Pippin

crypto post-quantum FCSC 2020 solved on

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Description

As soon as the designers of the algorithm found out that the previous serveur (challenge Merry) was susceptible to cryptographic attacks, the changed their algorithm by adding a limit on the number of allowed requests. However, it turns out that some values are not correctly generated.

Note: Another similar challenge is available here: Merry.

Author

Mélissa

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2020-crypto-pippin/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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DateAuthor Language Tags Vote
2023-11-07
face0xff
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TeamFrance
2023-11-30
danhia
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