A Survey on Advanced Encryption Standard

Rijndaels Advanced Encryption Standard (AES) is the block cipher based symmetric-key cryptography to protect the sensitive information. The key sizes of AES are 128, 192, 256 bits. AES is based on substitution-permutation strategy. It is accepted by NIST in 2001 after the five year of security evaluation. It is highly secured and efficient than Data Encryption Standard (DES) and other symmetric-key cryptographic algorithms. This paper depicts all the valuable work done on the Advanced Encryption Standard since it is accepted by National Institute of Standards and Technology (NIST).