1. Lecture Notes in Computer Science;M Bellare,2009
2. Bellare, M., Rogaway, P., Spies, T.: The FFX mode of operation for format-preserving encryption (February 2010) (submission to NIST, available from their website)
3. Black, J., Rogaway, P.: Ciphers with Arbitrary Finite Domains. In: Preneel, B. (ed.) CT-RSA 2002. LNCS, vol. 2271, pp. 114–130. Springer, Heidelberg (2002)
4. Brier, E., Peyrin, T., Stern, J.: BPS: a format-preserving encryption proposal (submission to NIST, available from their website)
5. Brightwell, M., Smith, H.: Using datatype-preserving encryption to enhance data warehouse security. In: 20th National Information Systems Security Conference Proceedings (NISSC), pp. 141–149 (1997)