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A Forward Security RPAS
Author(s): 
Pages: 99-100
Year: Issue:  2
Journal: APPLICATION RESEARCH OF COMPUTERS

Keyword:  口令认证前向安全Schnorr系统IC卡;
Abstract: 把单向函数和前向安全的方法引进到远程口令认证系统(Remote Password Authentication System, PRAS)中,提出了一个新颖高效、具有前向安全性的口令认证系统.它能够防止攻击者的中间人攻击,同时在认证阶段引入单向函数,显著减少了加密消息的数量,提高了系统的认证速度.该系统在口令存储空间和认证速度方面远比基于ElGamal系统的方法优越,更适于IC卡的应用.
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