[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fW-grLLhnmFrhrlhI2yGa7uCynKdmqeCal9rud5b95JA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":77},[],"2026-04-28 01:08:49",340258864,[8,9,10,11],"单向性","可逆性","压缩性","抗碰撞性",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},12,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","4bfa4ec4e4fc4107a8ab75e06a748c70","Chapter3","以下哪些是哈希函数的性质",[21,32,41,50,59,68,78,81,88,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],340258858,[25,26,27,28],"异或运算符(XOR)","非运算符(NOT)","或运算符(OR)","与运算符(AND)","一次性密码本(One-TimePad)在进行加\\解密时采用的是哪种逻辑运算符","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],340258859,[36,37,38,39],"密码学的定义仅从攻击角度出发","密码学不需要数学假设支持","密码学的安全性依赖于密钥的保密性","密码学是所有安全问题的通解","关于密码学的描述,以下哪项是正确的",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],340258860,[45,46,47,48],"无法实现完美安全性","密钥长度必须与明文等长","只能用于一次通信","加密过程过于复杂","在对称加密中,OTP(一次性密码本)的主要缺点是",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],340258861,[54,55,56,57],"已知明文攻击(KPA)","唯密文攻击(COA)","选择密文攻击(CCA)","选择明文攻击(CPA)","以下哪种攻击模型允许攻击者选择密文并获取其解密结果",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],340258862,[63,64,65,66],"整数分解的困难性","椭圆曲线问题的困难性","哈希函数的抗碰撞性","离散对数问题的困难性","RSA加密算法的安全性基于以下哪项假设",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":77},[],340258863,[72,73,74,75],"依赖于形式化的安全定义","依赖于数学难题的假设","仅从攻击角度定义安全性","强调严谨的安全证明","以下哪些是现代密码学的特点",1,{"answer":79,"createTime":5,"id":6,"options":80,"question":19,"source":30,"type":77},[],[8,9,10,11],{"answer":82,"createTime":83,"id":84,"options":85,"question":86,"source":30,"type":87},[],"2026-04-27 16:47:39",352838246,[],"在公钥基础设施(PKI)中,CA的作用是为用户的________颁发证书",2,{"answer":89,"createTime":83,"id":90,"options":91,"question":94,"source":30,"type":95},[],352838247,[92,93],"正确","错误","在Diffie-Hellman密钥交换中,协议的安全性基于离散对数问题的困难性",3,{"answer":97,"createTime":83,"id":98,"options":99,"question":100,"source":30,"type":95},[],352838248,[92,93],"目前,MD5哈希函数由于其抗碰撞性被广泛推荐用于安全应用"]