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- That is an open problem.In this paper, new scheme called constant-size ring signatures is presented.The scheme is based on bilinear pairings and accumulators. 该文使用双线性对，并基于累加器技术，提出了一种签名长度固定的基于身份的环签名方案，并证明了其安全性。
- The generic ring signature method due to Abe is extended to meet knowledge signature using cut-and-choose technique. 扩展Able等的环签字通用方法,使其可以用于使用分割-选择技术的知识签字。
- The new scheme not only has the properties of proxy signature，but also has the anonymity of signer of ring signature. 新方案不仅满足代理签名的各种性质，并且还满足环签名的匿名性。
- Based on the need of E-voting and E-lottery，the notion of verifiable and linkable ring signature is put forward. 摘要 根据电子投票和电子抽奖的需要，提出了可验证可关联的环签名概念。
- Based on linkable ring signature, an electronic cash scheme is put forward, consumers who want to consume electronic cashes must register in the merchants in advance. 摘要利用可链接的环签名协议，设计了一种电子现金支付方案。
- The proxy ring signature scheme also satisfy the other security requirements of a proxy ring signature scheme： unconditional ambiguity，verifiability，distinguishability. 提出的方案也满足代理环签名方案的其他安全性要求：无条件匿名性、可验证性、可区分性。
- Besides，in order to improve the efficiency of the signature in some cases，the schemes can be converted to a constant-size self linkable threshold ring signature. 此外，在某些情况下，该方案可以转化为常数大小自主可链接的门限环签名，从而提高签名效率。
- Making use of the good properties of cryptography Hash functions and the difficulties of DLP，a verifiable and linkable ring signature scheme is constructed. 利用密码哈希函数的良好性质和DLP的困难性问题，构造了一个可验证可关联的环签名方案。
- The paper requests signet, not signatures. 这张纸要求图章而不是签名。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
- The music was so loud it made my ears ring. 音乐的声音太大了，把我耳朵震得直响。
- The policeman felt that my story didn't ring true. 警察认为我讲的话听起来不可信。
- She wears a ring round her wrist. 她的手腕上戴着一只镯子。
- Ring the correct answer with your pencil. 用铅笔圈出正确的答案。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
