基于DES和RSA的组合加密技术在综合船桥系统中的研究

Study of Combination Encryption Technology in the Integrated Bridge System

为保障数据在网络传输中的安全,针对IBS的数据通信网络中的数据保密性问题,本文在分析比较DES和RSA算法各自特点的基础上,综合了两种算法的优点,提出了一种基于DES和RSA的混合加密算法,即:结合DES算法的加密过程中的高效率以及RSA算法中密钥生产和管理的方便性等特点,提出了此算法的加密方案,对其性能进行分析,并证明了该算法的有效性和可行性。

To protect the security of data in the network transmission and to solute the data privacy issues in data communications network of the IBS,the features of data encryption algorithms is analyzed and compared such as DES and RAS,and combined the benefits of two encryption algorithms,then the combination encryption algorithms are mainly presented which combines the features of the high efficiency in encrypting process of DES algorithms and the accessibility in production and management of cryptographic-key in RSA algorithms,bring up the encryption scheme,analyzed its performance,and proved its effectiveness and feasibility.