CryptoStuff

This project implements various cryptographic algorithms and attacks in Java 8.

Features

• Algorithms

  • Asymmetric Cipher:
    • RSA with PKCS1 v1.5 Padding
  • Traditional Ciphers:
    • Four Square
    • Monoalphabetic
    • Playfair
    • Vigenere

• Attacks

  • CBC Padding Oracle Attack
  • RSA Attacks:
    • Fermat Factorization
    • Miller Factorization
    • Kindle Signature Forgery
    • Signature Without Padding
    • Close Primes
  • Attacks on Traditional Ciphers:
    • Four Square
    • Monoalphabetic
    • Playfair
    • Vigenere

Getting Started

Compile the project:

mvn compile

Run tests:

mvn test

Tests

Unit tests are provided for all implemented algorithms and attacks. See the test/ directory for details.

License

This project is licensed under the MIT License.

Acknowledgements

Attacks on traditional ciphers are based on solutions from Practical Cryptography.