Advanced Encryption Standard (AES) Algorithm explained
The Advanced Encryption Standard, also known by its original name Rijndael, is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology in 2001.
Key sizes: 128, 192 or 256 bits
Block sizes: 128 bits
Rounds: 10, 12 or 14 (depending on key size)
source: Wikipedia