1. A case study of partially evaluated hardware circuits: Key-specific DES
2. Menezes, A., Oorschot, P., and Vanstone, S.: ‘Handbook of applied cryptography’, (CRC Press 1997)
3. ANSI X9.17 (Revised):‘American National Standard for financial institution key management (wholesale) American Bankers Association’, , 1986
4. ISO DIS 8732:‘Banking – key management (wholesale) Association for Payment Clearing Services, London’, , December, 1987