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New Constructions of Identity-Based Threshold Decryption
  • ISSN号：1673-5447
  • 期刊名称：《中国通信：英文版》
  • 时间：0
  • 分类：TP309[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]Department of Mathematical Science, Xidian University, Xi'an 710071, Shaanxi, China, [2]Key Laboratory of Computer Networks and Information Security of Ministry of Education, Xidian University, Xi'an 710071, Shaanxi, China, [3]Xi'an Communications Institute, Xi'an 710106, Shaanxi, China
  • 相关基金：Foundation item： Supported by the National Natural Science Foundation of China （60970119, 60803149） and the National Basic Research Program of China （973 Program） （2007CB311201 ）
作者： ZHANG Leyou[1], HU Yupu[2], TIAN Xu'an[3], YANG Yang[2]
关键词： 基于标志的阀值解密, 可证实的对, 计算双线性的, Diffie-Hellman, (CBDH, ), 问题, 可证明的安全, ID-Based threshold decryption, verifiable pair, computational bilinear Diffie-Hellman （CBDH） problem, provable security
中文摘要：

在这份报纸，基于可证实的对和基于身份的阀值密码学，一篇小说基于身份(基于标志) 阀值解密计划(IDTDS ) 被建议，它对在在随机的神谕的计算双线性的 Diffie-Hellman (CBDH ) 问题假设下面的适应选择密文攻击是 provably 安全的。在 IDTDS 的密文的阴毛的 checkability 被简单地创造签署的 ElGamal 加密而不是一个不相关的零知识的证明给。而且，我们介绍一保证所有解密分享的修改可证实的配对是一致的。我们的计划比以前考虑的计划在确认是更有效的。

英文摘要：

In this paper, based on the verifiable pair and identity-based threshold cryptography, a novel identity-based （ID-based） threshold decryption scheme （IDTDS） is proposed, which is provably secure against adaptive chosen cipbertext attack under the computational bilinear Diffie-Hellman （CBDH） problem assumption in the random oracle. The pubic cheekability of ciphertext in the IDTDS is given by simply creating a signed E1Gamal encryption instead of a noninteractive zero-knowledge proof. Furthermore, we introduce a modified verifiable pairing to ensure all decryption shares are consistent. Our scheme is more efficient in verification than the schemes considered previously.

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期刊信息
  • 《中国通信：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国通信学会
  • 主编：刘复利
  • 地址：北京市东城区广渠门内大街80号6层608
  • 邮编：100062
  • 邮箱：editor@ezcom.cn
  • 电话：010-64553845
  • 国际标准刊号：ISSN：1673-5447
  • 国内统一刊号：ISSN：11-5439/TN
  • 邮发代号:2-539
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:187