crypto-analysis

Set of tools include:

• Bytenigma implementation
• PKCS7 padding oracle attack (client + server)
• AES GCM ciphertext recovery for nonce reuse with Cantor-Zassenhaus

Usage

kauma file is provided with eighter a path to a JSON file or raw JSON: ./kauma anytask.json

KAUMA is a German acrynom for "Krypto Analyse und Methoden-Audits".

JSON format

{
    "action": "gcm-recover",
    ...
}