[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fF_Uu78e4hMtQyN3bbCl1Y8C8Coi74KChQ8jbij0WPFo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":53},[],"2025-03-16 19:56:31",1063801849,[8,9,10,11],"接收者可以确信消息M未被改变","接收者可以确信消息来自所声称的发送者","MAC函数类似于加密函数,但不需要可逆性","如果消息中包含顺序码,则接收者可以保障信息的正常顺序",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008226","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F918502c2b882a2dc2459d6d91685c37f.jpg","信息安全技术的研究与发展","60862987","第三章单元测试","MAC函数的作用包括()",[20,29,34,44,54,62,70,73,78,87],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],1063800693,[24,25],"对","错","消息加密函数是指将任意的消息变换为定长的消息摘要,并加以认证","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],1063800704,[24,25],"数字签名不可以用于通信双方的身份鉴别",{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":27,"type":43},[],1063801119,[38,39,40,41],"速度较快","可用于消息摘要","不可用于数字签名","不具备可逆性","Hash函数的特点不包括()",0,{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":27,"type":53},[],1063801507,[48,49,50,51],"基于KDC技术的密钥管理","利用公钥密码体制的密钥管理","基于数字证书(PKI\u002FCA)的密钥管理","其它都是","对称密码体制的密钥管理常采用()",1,{"answer":55,"createTime":5,"id":56,"options":57,"question":61,"source":27,"type":43},[],1063801641,[58,59,60,51],"抗碰撞性攻击","抗第一原像攻击","抗第二原像攻击","散列函数设计原则包括()",{"answer":63,"createTime":5,"id":64,"options":65,"question":69,"source":27,"type":53},[],1063801771,[66,67,68,51],"证书审核授权部门RA","证书操作部门CP","中国金融认证中心CFCA","CA机构包括()",{"answer":71,"createTime":5,"id":6,"options":72,"question":18,"source":27,"type":53},[],[8,9,10,11],{"answer":74,"createTime":5,"id":75,"options":76,"question":77,"source":27,"type":28},[],1063802129,[24,25],"CA作为网络通信中心的可信第三方,为用户的公开密钥签发证书",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":27,"type":53},[],1063802311,[82,83,84,85],"伪造","截获","重放","篡改","主动攻击的手段包括()",{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":27,"type":28},[],1063802327,[24,25],"基于DES的CBC-MAC运用了DES算法E,密钥为K"]