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impersonation 英/ ?m?p??s??ne??n / 美/ ?m?p??rs??ne??n / - 1
计算机科学技术 扮演 This scheme provides an enhancement, resolving some problems with regard to Lee's scheme, which cannot defend against replay and impersonation attacks. Accordingly, an analysis and comparison with Lee's and other schemes, demonstrate that the current paper avoids replay and impersonation attacks, providing mutual authentication, and also results in a lower computation cost than the original scheme. 本学位论文中,我们提出的新的基于nonce数的高效Token更新认证协议相对于Lee的协议有了更强的安全性,而且解决了一些Lee协议存在的问题,例如不能抵制重放和扮演攻击,同时,在本协议与Lee和其他协议进行分析比较过程中,显示了该协议能避免重放攻击和扮演攻击,提供了相互认证,而且也提供了更少的计算量。 假冒 冒名顶替
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She excelled at impersonations of his teachers, which provided great amusement for him. - 2
She did impersonations of his teachers. - 3
Alice: Can you do any impersonations, Neil?
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