基于AES算法的运维数据加密传输方法

Encryption Transmission Method of Operation and Maintenance Data Based on AES Algorithm

为了提高运维网络系统运行的安全性与稳定性,根据运维系统的基本特征,设计了一种基于高级加密标准(Advanced Encryption Standard,AES)算法的运维数据加密传输方法。首先,分析运维数据传输模块的原理,为加密传输算法奠定基础,其次,通过AES计算,替换运维数据帧,得到加密密文。最后,应用密文分别进行数据的正向逆向的字节替换、字节行位移、字节混合变换以及字节轮换变更处理,完成AES算法对运维数据传输中的加密与解密。为检测本文设计加密传输方法的可行性与高效性,设计了仿真模拟对比实验。结果显示,本文加密传输方法的加密、解密速率均比传统方法高。在本文方法作用下,传输路径中受到攻击的运维信息数据量低于传统方法,表明本文设计的运维数据加密传输方法,具有高效性与可行性,可以实现对运维信息的实时、高质量保护,有效降低数据攻击的成功率,为通信运维系统的高效稳定运行提供了加密技术保障。

In order to improve the security and stability of the operation of the O&M network system,an O&M data encryption transmission method based on the Advanced Encryption Standard(AES)algorithm is designed according to the basic characteristics of the O&M system.The principle of O&M data transmission module is analyzed to lay the foundation for the encryption transmission algorithm.Through AES calculation,the O&M data frame is replaced to get the encrypted cipher text,and the forward and reverse byte substitution,byte line displacement,byte mixture transformation and byte rotation change processing are applied to the cipher text respectively to complete the encryption and decryption of O&M data transmission by AES algorithm.In order to test the feasibility and efficiency of the encryption transmission method designed in this paper,simulation and comparison tests are designed.The results show that the encryption and decryption rates of the encryption transmission method in this paper are higher than those of the traditional method.Under the action of this paper,the amount of O&M information data under attack in the transmission path is lower than that of the traditional method,indicating that the O&M data encryption transmission method designed in this paper is highly efficient and feasible,which can realize real-time and high-quality protection of O&M information,effectively reduce the success rate of data attacks,and provide encryption technology guarantee for the efficient and stable operation of communication O&M system.