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根据现有的身份认证机制,分析了S/Key一次性口令系统中存在的安全问题及其改进方法,提 出了一种新的具有双向身份认证功能的一次性口令认证方案.同传统的方案相比,该方案具有安全性高、额 外开支小等优点.
According to the existing authentication mechanism, this paper analyzes the security problems existing in the S / Key one-time password system and the improved methods, and proposes a new one-time password authentication scheme with two-way identity authentication function. Than the program has the advantages of high security, small additional expenses.