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。