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
75
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://www.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
Alcoholscanalso________judgmenttotheextentthatyoumaynotmakethebest
"ThereisnorealborderbetweenIsraelandPalestine,"saysMuhammadHamudi,
Whichofthefollowingisaminimalpair?A、pet,kidB、put,pestC、cave,shaveD、
属于尿液溢出性蛋白的是:( )A.白蛋白 B.β-球蛋白 C.γ-球蛋白
下列表述最能全面反映伦理学概念内涵的是A.研究道德现象的科学 B.研究职业道德
下列不是药材"发汗"加工法目的的是A.促使变色B.利于干燥C.增加气味D.便于切
临床上患者尿检查中,检出异常对诊断多发性骨髓瘤意义最大的是A.蛋白尿(++++)
儿童容易模仿影视片中反面人物的行为,结果导致不良品德。为了避免影视片的消极影响,
高良姜除温中散寒止痛外,还有的功效是A.燥湿杀虫止痒 B.温肾助阳 C.理气
A.最优化原则 B.全社会参与原则 C.生命神圣的原则 D.随机对照原则
最新回复
(
0
)