Elliptic Curve Cryptosystems are widely used for data encrypt and figure signature due to their peculiar superiority, and they also can be used for electronic cash protocol.
椭圆曲线密码体制以其特有的优越性被广泛用于进行数据加密、数字签名，同样也可用来构建盲签名协议和电子现金协议。
Analyzes and proves the feasibility mat a connection oriented TCP protocol can carry out data encryption, authentication and signature in theory. Furthermore, a secure connection protocol is advanced.
分析和证明了在提供面向连接服务的TCP层实现报文加密、认证和签名的可行性，提出了一种TCP保密连接协议。
And it ensured the data security and integrity in the protocol entities exchange through encryption, authentication, digital signature and one-way permutation function.
并通过加密、认证、数字签名和单向置换函数有效地保证了协议中实体交互数据的安全性和完整性。
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