AES is intended to be a stronger, more efficient successor to Triple Data Encryption Standard (3DES), which replaced the aging DES, which was cracked in less than three days in July 1998.

• AES预定为比三层数据加密标准（3des）更强、更高效的后续标准，3des替代了老化的des加密标准，des在1998年7月在不到三天的时间内就被破译了。