EFT Calculator 0.3

EFT Calculator is an application that performs common cryptographic operations used in electronic funds transfer applications.
Main features:
- Cryptographic DES/3DES operations.
- Calculate a clear and encrypted PIN block and find the PIN from an encrypted PIN block.
- Calculate a CVV.
- Calculate a Visa PVV.
- Calculate and verify a PAN check digit.
- Store and reuse cryptographic keys.