【摘要】 随着网络的日益普及化,人们对在网上传输信息的安全性、尤其是对敏感信息的保密性要求也越来越高。文中在密码学的加密、签名技术的基础上提出了一种新的基于身份的签密方案,在统一逻辑步骤内实现了加密和签名的有效结合,其代价显著低于常规“先签名再加密”方法的代价。更多还原

【Abstract】 With the development of the Internet,to the people,the security of the message,especially the secretiveness of the sensitive message are very important.Based on the theory of signature and encryption,a new signcryption schema is proposed.Message can be signed and encrypted in the same time,which has lower costs than that of firstly sign and then encrypt.更多还原