RSA Secure Dev 3/3

hardware fault attacks FCSC 2023 solved on

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Description

As an expert from Obiture, you now face a tougher challenge. You are not given the public key and the attacker may perform several faults on your code to retrieve the private key.

The documentation of the virtual machine is available on this page.

This challenge has been split into three parts:

Files

  • docker-compose.yml
  • assembly.py
    18.64 KiB – dc0970c915e15e4356a54ee592ec0c10aa39db0f31e33ddc50a38d5f80897dea
  • challenge.py
    6.91 KiB – c8c7578b5cc638ed8acf02f3aaaf79c4d362105a241da6b64b44ea306a063974
  • machine.py
    11.31 KiB – 216f14947d8daedfc71175035487674a0687d5b66ecedb61120330df1ebceff0
  • rsa_keygeneration.py
    1.64 KiB – 2bd008b8ea8d1bd289339ff589ff371a711331ba26ff808945784966640bcab0

Author

Neige

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2023-hardware-rsa-secure-dev/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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