AES is a new data encryption standard which bring forward by NIST in Oct 2000. It has substituted the Data Encryption Standard (DES) which has twenty-year application history.

• AES加密标准是2000年10月美国国家标准与技术研究所( NIST )提出来的新型加密算法标准,用来取代上一代的DES数据加密标准。