- Cryptography - Typically involves decrypting or encrypting a piece of data
- FeatherDuster — An automated, modular cryptanalysis tool
- Hash Extender — A utility tool for performing hash length extension attacks
- PkCrack — A tool for Breaking PkZip-encryption
- RSATool — Generate private key with knowledge of p and q
- XORTool — A tool to analyze multi-byte xor cipher