[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLkhbWc9-5g8fxnJCQzKP8GlfoGVHGTmns46tx_hOwbc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-05-11 23:39:08",187153417,[8,9,10,11],"求合数模平方根的难题","离散对数困难问题","背包问题","大数分解困难问题",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},22,"a883fd11d26d5c679e6a23176853b354","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F59d71c300dff6ba7fa49e1ad37a4ae2d.jpg","云计算安全","work_43047911","Ch03 数据安全-课后作业","RAS公开密钥密码体制的安全性主要基于以下哪个困难问题",[21,32,41,50,59,68,77,86,95,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],187153408,[25,26,27,28],"对称","私钥","非对称","混合加密体制","密码体制,不但具有保密功能,并且具有鉴别的功能","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],187153409,[36,37,38,39],"链路加密","节点对节点加密","端对端加密","混合加密","数据传输加密方式的( )是把网络上传输的整个数据报文全部加密",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],187153410,[45,46,47,48],"明文","密文","公钥","算法","公钥加密体制中,没有公开的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],187153411,[54,55,56,57],"密文、明文、 密钥","明文、密文、密码算法","明文、密文、算法机制","明文、密文、密钥","是加密前的原始信息;( )是明文被加密后的信息;( )是控制加密算法和解密算法得以实现的关键信息,分为加密密钥和解密密钥",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],187153412,[63,64,65,66],"鉴别","机密性","完整性","可用性","加密技术不能提供以下哪种安全服务",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],187153413,[72,73,74,75],"数据","密钥","密码","口令","在现代密码中,非对称加密算法是公开的,保密的只是 ( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],187153414,[81,82,83,84],"替换 移位","替换 压缩","压缩 移位","压缩 扩展","DES加密算法主要采用( )和( )的方法加密",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],187153415,[90,91,92,93],"112 64","128 112","64 56","56 32","DES算法的密钥为( )位,实际加密时仅用到其中的( )位",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],187153416,[99,100,101,102],"产生密钥需要强大的计算能力","公钥和私钥不同","算法中需要素数","被攻击过很多次","RSA算法使用不方便的最大问题是",{"answer":105,"createTime":5,"id":6,"options":106,"question":19,"source":30,"type":31},[],[8,9,10,11]]