从认证中心CA获取用户B的数字证书,该证书用( )做数字签名,从用户B的数字证书中可以获得B的从取的公钥。
公钥用来加密和验证,私钥用来解密和签名,例如A向CA申请的数字证书,数字证书包含A的身份信息,A的公钥(用来保证信息的可靠完整传输),CA的数字签名也就是CA的私钥(用来证明证书的真实性)、用户的数字签名保证不可否认性。
( )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( )。