1. National Institute of Standards and Technology (NIST) Gaithersburg, MD: Federal Information Processing Standards Publication 81 (FIPS PUB 81): DES Modes of Operation (1980)
2. National Institute of Standards and Technology (NIST) Gaithersburg, MD: Federal Information Processing Standards Publication 46-3 (FIPS PUB 46-3): Data Encryption Standard (1999)
3. International Organization for Standardization Genève, Switzerland: ISO/IEC 10116: 1997, Information technology — Security techniques — Modes of operation for an n-bit block cipher. 2nd edn. (1997)
4. International Organization for Standardization Genève, Switzerland: ISO/IEC FCD 10116, Information technology — Security techniques — Modes of operation for an n-bit block cipher. 3rd edn. (2004)
5. Dent, A.W., Mitchell, C.J.: User’s Guide to Cryptography and Standards. Artech House, Norwood (2005)