Advanced Encryption Standard

Also known as: AES Rijndael

The Advanced Encryption Standard (AES) is a symmetric block cipher that supports 3 length of ciphers: AES-128, AES-192 and AES-256. The length corresponds to the number of bits of the key used to encrypt and decrypt the message blocks.

It is a specification established by U.S. National Institute of Standards and Technology (NIST) in 2001. AES is widely used in software and hareware to encrypt sensitive data. AES is also commonly used as the block cipher in an IPsec cipher suite.