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身份鉴别是安全服务中的重要一环,以下关于身份鉴别叙述不正确的是( )。

单选题
2021-07-19 06:37
A、身份鉴别是授权控制的基础
B、身份鉴别一般不用提供双向的认证
C、目前一般采用基于对称密钥加密或公开密钥加密的方法
D、数字签名机制是实现身份鉴别的重要机制
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正确答案
B

试题解析
B

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