英汉例句

• a certificateless signature scheme provably secure in the standard model is analyzed. it points out that the scheme is insecure.

  通过对一个标準模型下可证安全的无证书签名方案进行分析，指出该方案是不安全的。

• they are provably secure based on pseudo- random synthesizers, in our scheme, the sender may be unbounded to polynomial time and the receiver is bounded.

  该方案的安全性是基于伪随机合成器的存在性，承诺者可以拥有无限的计算资源。

• in the random oracle model, the scheme is provably secure against adaptive chosen ciphertext attacks.

  在随机预言模型下，该方案在适应性选择密文攻击下是可证明安全的。

• a provably secure blind signature scheme is proposed. it is based on a partially blind signature. by applying it to fair ecash, we propose a secure fair offline ecash scheme, and analyse its security.

  在一种部分盲签名体制的基础上提出了一种可验证安全性的盲签名体制——一种安全的公平的离线电子现金体制，然后将它应用到公平的电子现金体制中，并对其安全性进行了分析。

• an efficient digital signature scheme provably secure in the standard model from bilinear maps was proposed.

  利用双线性映射技术设计了一个有效的在标準模型下可证安全的数字签名方案。

• they are provably secure and have good exact security against existential forgery for selective-id attack;

  这两个方案是可证明安全的，在给定身份和选择明文攻击下是不可伪造的；

• the scheme is provably secure in the random oracle model, and is an efficient scheme. it only needs one pairing operation.

  该方案在随机预言模型下是可证明安全的，而且也是高效的方案，只需要一个对运算。

• to design a signature scheme which are efficient and provably secure in the standard model is suitable for applications.

  在标準模型下设计高效可证明安全的签名方案具有现实意义。

• under the assumption that the random high-density knapsack problem is infeasible, the proposed schemes are provably secure against ciphertext-only attack.

  在高密度随机背包困难性假设下，可以证明方案在唯密文攻击下是安全的。

• second, it is provably secure and has very good exact security against existential forgery for selective-id attack in the standard model;

  其次，这个方案是可证明安全的，即在随机应答模型下，方案在给定身份和选择明文攻击下是不可伪造的；