This paper designs a kind of mutual authentication scheme, which is based on the improved algorithm of HARN digital signature. Then it is proved by using BAN Logic.
本文设计了一种基于改进的HARN数字签名算法的双向认证方案，并利用BAN逻辑对此方案进行了验证。
The algorithm of group signature and group authentication is presented out.
给出了集团签署与集团认证算法。
MD5 algorithm is used to implement the authentication process. DES algorithm combined with asymmetric encryption and digital signature to ensure the safety of information transmission.
MD 5算法用来实现身份认证过程，DES算法结合非对称加密和数字签名技术来保证信息的安全传输。
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