[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgrAFpMsN-PtCHPerRdw7ZOYw_bdi4pha4I9mdMbGVPI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-13 10:29:19",370077438,[8,9,10,11],"证件真伪鉴别","知识产权保护","声像数据隐藏标识","票据防伪",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},47,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_53141736","第四章 密码学基础","以下哪些属于数字水印的应用领域",[21,32,41,50,59,62,71,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],370077424,[25,26,27,28],"适合加密长消息","加密速度通常比对称算法慢","加密和解密使用不同密钥","加密密钥可以公开","关于公钥密码算法,正确的描述有","v1",1,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],370077427,[36,37,38,39],"代替","置换","移位","扩散","以下哪些属于古典密码的编制原理",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],370077431,[45,46,47,48],"AES","RSA","DES","Caesar密码","以下哪些是现代密码中常见的算法",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],370077433,[54,55,56,8,57],"声像数据的隐藏标识和篡改提示","商务交易中的票据防伪","隐蔽通信及其对抗","数字作品的知识产权保护","数字水印的应用领域包括以下几个方面",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],370077440,[66,67,68,69],"PC2置换","循环左移","S盒替换","PC1置换","DES算法中,子密钥的生成涉及哪些步骤",{"answer":72,"createTime":5,"id":73,"options":74,"question":78,"source":30,"type":31},[],370077444,[75,76,11,77],"版权保护","数据加密","隐藏标识","以下哪些属于数字水印的应用场景",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],370077445,[83,84,85,86],"加密和解密使用相同密钥","加密速度快","密钥管理复杂","适合加密大量数据","关于对称密码算法,正确的描述有",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],370077450,[92,93,94,95],"不保密的密码","理论上保密的密码","实际上保密的密码","绝对保密的密码","以下哪些属于密码学按保密程度划分的类别",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":30,"type":31},[],370077452,[101,102,103,104],"机密性","报文完整性","鉴别","不可否认性","密码学的基本功能包括"]