1. Daemen, J., & Rijmen, V. (1999). AES proposal: Rijndael.
http://csrc.nist.gov/encryption/aes/
.
2. NIST. (2001). Announcing the advanced encryption standard (AES). Federal Information Processing Standards Publication, no. 197, November 26.
3. Shannon, C. (1949). Communication theory of secrecy systems. Bell Systems Technical Journal, 28, 656–715.
4. Feistel, H. (1973). Cryptography and computer privacy. Scientific American, 228, 15–23.
5. William, S. (2010). Cryptography and network security: Principles and practice (5th ed.). Upper Saddle River, NJ: Prentice Hall Press.