RotorCrypt X
Free offline encryption – Enigma + AES-256-GCM – no cloud
RotorCrypt X is a free offline hybrid encryption software for Windows 10/11.
Six cryptographic layers:
Enigma rotor cipher (up to 50 rotors, 65,536 Unicode characters)
AES-256-GCM military-grade authenticated encryption
HKDF-SHA3-256 key derivation with Perfect Forward Secrecy
Argon2id password hardening (64 MB RAM, 1,000+ years brute-force time)
Split Key: each side generates a unique 256-bit random ID — neither alone can compute the shared key (ECDH Curve25519)
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