RotorCrypt X
Free offline encryption – Enigma + AES-256-GCM – no cloud
RotorCrypt X is a free offline hybrid encryption software for Windows 10/11.
Three cryptographic layers:
- Enigma rotor cipher with up to 50 rotors and 65,536 Unicode characters
- AES-256-GCM military-grade encryption
- HKDF-SHA3-256 key derivation with Perfect Forward Secrecy
Quantum-resistant with 2^768 key space. No cloud. No server. No internet required. Runs portable from USB stick, no installation needed.
Security: one-time handshake, replay protection, anti-debug...