ECB指的是?()
A、密文链接模式
B、密文反馈模式
C、输出反馈模式
D、电码本模式
参考答案:D
— Are you sure about that? —()
A.You needn’t worry about that
B.I like the idea.
C.Oh, no. I’m afraid of that
D.Oh, yes. I’m absolutely positive