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- Besides having the basic properties of the proxy signature, the new scheme prevents proxy misuse, original signer’s forgery and public key substitution attack. 此外，该方案不仅满足代理签名的基本性质，还避免了代理权滥用、原始签名人伪造和公钥替换攻击。
- Key substitution attacks 密钥替换攻击
- public key substitution attack 公钥替换攻击
- This whole-value substitution attack bypasses encryption altogether. 这种整个值替换攻击可以完全绕过加密。
- Whole-value substitution attacks can be thwarted by adding contextual information to the plaintext before encrypting it. 加密纯文本前在该文本中添加上下文信息,可避免上述整个值替换攻击。
- These weak points can result in the adversary to cheat the verification group by forgery and substitution attack. 这样的漏洞使得敌手可利用伪造攻击和替换攻击对验证组进行欺骗 ;
- You may leave your key at the reception desk. 你可以把钥匙留在服务台。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- Through the cryptanalysis of a threshold proxy signature scheme based on bilinear pairings, it was found that the scheme couldn't resist forgery attack and public-key substitute attack. 摘要对一种基于双线性对的新型门限代理签名方案进行了密码分析，发现该门限代理签名方案不能抵抗伪造攻击和公钥替换攻击。
- He's locked in and nobody knows where the key is. 他被锁在房间里，没有人知道钥匙在什么地方。
- Reading is the key to the treasure house of ideas. 读书是打开知识宝库的钥匙。
- I looked everywhere for my lost key. 我到处寻找我丢失的钥匙。
- She inserted the key into the lock. 她把钥匙插入锁中。
- The key turned halfway and then jammed. 钥匙转了一半就卡住了。
- The key to the whole affair was his jealousy. 整个事情的症结是因为他忌妒。
- England's attack has been weakened by the injury of certain key players. 英格兰队某些主力运动员受伤而使攻球削弱。
- Do you know the key to the problem? 你知道这道题的答案吗？
- Your scatty son has forgotten his key again. 你那儿子丢三落四又把钥匙给忘了。
- I dropped my key somewhere about here. 我把钥匙掉在这附近某个地方了。
