Next , according to symmetry encryption , asymmetry encryption and certificate in encryption principle and encryption programming in java , implements secure and creditable communication between client end and server end 其次,利用密码学原理中的对称加密、非对称加密以及证书,结合java中密码学编程,从而实现客户端和服务器端安全和可信的通信。
The article includes five departments , they are : unit 1 : according to the features of electric documents , some protocols are proposed to keep the electric security including digital signature and document encryption 针对电子公文传输的特点，讨论了公文传输加密和签名的算法和协议。对于一对一的公文传输，采用对称加密和数字签名相结合的方式。
First of all , the article discusses some normal kinds of encryption technology . through the analysis of encryption , it introduces the basic principles of public key infrastructure and emphasizes on the rsa and its safety 首先,本文对各种常见的加密技术进行了深入讨论,通过对称加密和公开密钥加密的分析,介绍了公开密钥体系的基本原理,同时重点讨论了rsa公开密钥算法及安全性。
First of all , the article discusses some normal kinds of encryption technology . through the analysis of encryption , it introduces the basic principles of public key infrastructure and emphasizes on the rsa and its safety 首先，本文对各种常见的加密技术进行了深入探讨，通过对对称加密和公开密钥加密的分析，介绍了公开密钥体系的基本原理，同时重点讨论了rsa公开密钥算法及其安全性。
So far , the elliptic curve cryptosystem ( ecc ) provides the highest strength - per - bit of any cryptosystem known . in addition to its high security , ecc also has many other merits , such as less computation overheads , shorter key size , considerable bandwidth savings , and so on 同其它非对称加密体制相比,椭圆曲线密码系统除了安全性高外,还具有计算负载小,密钥尺寸短,占用带宽少等优点,因此,椭圆曲线密码系统被认为是下一代最通用的公钥密码系统。
