首页
登录
从业资格
Digital certificate is an identity card
Digital certificate is an identity card
资格题库
2022-08-02
29
问题
Digital certificate is an identity card counterpart in the ( 请作答此空) society. When a person wants to get a digital certificate, he generates his own key pair, gives the ( ) key as well as some proof of his identification to the Certificate Authority (CA). CA will check the person's identification to assure the identity of the applicant.If the applicant is really the one “who claims to be”, CA will issue a digital certificate, with the applicant's name, e-mail address and the applicant's public key, which is also signed digitally with the CA's ( ) key. When A wants to send B a message, instead of getting B's public key, A now has to get B's digital certificate. A first checks the certificate authority's ( ) with the CA's public key to make sure it's a trustworthy certificate. Then A obtain B's public key from the certificate, and uses it to ( ) message and sends to B.A.computerB.humanC.materialisticD.relation
选项
答案
A
解析
数字证书相当于电脑世界的身份证。当一个人想获取数字证书时,他生成自己的一对密钥,把公钥和其他的鉴定证据送达证书授权机构CA,CA将核实这个人的证明,来确定申请人的身份。如果申请人确如自己所声称的,CA将授予带有申请人姓名、电子邮件地址和申请人公钥的数字证书,并且该证书由CA用其私有密钥做了数字签名。当A要给B发送消息时,A必须得到B的数字证书,而非B的公钥。A首先核实带有CA公钥的签名,以确定是否为可信赖的证书。然后,A从证书上获得B的公钥,并利用公钥将消息加密后发送给B。
转载请注明原文地址:https://tihaiku.com/congyezige/2414324.html
本试题收录于:
中级 信息安全工程师题库软件水平考试初中高级分类
中级 信息安全工程师
软件水平考试初中高级
相关试题推荐
Almostall( )havebuilt-indigitalcame
Certificatesare()documentsattestingt
Certificatesare()documentsattestingt
Certificatesare()documentsattestingt
Certificatesare()documentsattestingt
Certificatesare(请作答此空)documentsattesti
Almostall()havebuilt-indigitalcame
Digitalcertificateisanidentitycard
Digitalcertificateisanidentitycard
Certificatesare(71)documentsattesting
随机试题
Peoplehavewonderedforalongtimehowtheirpersonalitiesandbehaviorsar
[originaltext]M:HaveyouseenthefilmParisinSpringyet?W:Never!Butour
下列哪些选项属于质量控制的内容?( )A.规定控制标准 B.制定具体的控制方
身在武汉的兰先生今年38岁,至今未婚,在一家投资银行工作,收入颇丰。拥有一处无负
纸质颜色为淡绿色的处方是A:住院患者处方 B:中药饮片处方 C:麻醉药品处方
在FOB交易条件下,买方应按照合同规定的时间将船名和()等信息通知卖方。A、包装
基础心理学是研究()。 (A)正常成人心理现象的心理学基础学科 (B
A.洛伐他汀 B.非诺贝特 C.氟伐他汀 D.普伐他汀 E.吉非罗齐天然
中度营养不良患儿热量和蛋白质供给开始应为 A.热量40Kcal/(kg·d)
下列为防范脚手架搭设与拆卸过程中的倒塌风险而采取的措施中,属于风险转移对策的是(
最新回复
(
0
)