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本文主要介绍了网络安全的必要性,而数据加密技术是网络安全的一个重要的手段,并且以身份认证和信息加密技术对传统密码体制的DES加密算法和非对称密码体制的RSA算法进行了比较。
This paper mainly introduces the necessity of network security, and data encryption technology is an important means of network security. Compared with RSA algorithm of traditional cryptosystem DES encryption algorithm and asymmetric cryptosystem with authentication and information encryption technology .