• Key Encryption: Enter a plaintext key in hex, select modifier and MFK, click Encrypt.

• Key Decryption: Enter an encrypted key in hex, select modifier and MFK, click Decrypt.

• Result shows: input key, detected parity, MFK used, modifier, output key, and KCV.

• Key Lookup: Enter encrypted key, optionally set KCV filter and parity filter.

• Select HSM type (Any/Futurex/IBM/Atalla/VISA) and click Lookup to try all modifiers.

• Results show all matching decryptions with modifier, decoded key, KCV, and parity.