用户B收到经A数字签名后的消息M,为验证消息的真实性,首先需要从CA获取用户A的数字证书,该数字证书中包含( ),可以利用( )验证该证书的真伪,然后利用( )验证M的真实性。
问题1选项
A.A的公钥
B.A的私钥
C.B的公钥
D.B的私钥
问题2选项
A.CA的公钥
B.B的私钥
C.A的公钥
D.B的公钥
问题3选项
A.CA的公钥
B.B的私钥
C.A的公钥
D.B的公钥
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
( )algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后,( )依然会被保存下来。
下列协议中,不属于TCP/IP协议簇的是( )。
下列传输介质中,带宽最宽、抗干扰能力最强的是( )。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一个正方形需要( )个独立的参数。
某书的页码为1,2,3,...,共用数字900个(一个多位数页码包含多个数字),据此可以推断,该书最大的页码为( )。