This paper discusses the encryption and decryption procedure of AES Rijndael algorithm in detail. The similarity principles of encryption and decryption were analyzed and the main C program module which realizes decryption algorithm is proposed?

• 详细探讨了高级加密标准(AES)Rijndael算法的加解密过程,分析了加解密的相似性原理,并给出了实现其解密算法的主要C程序模块。