通信学报 ›› 2012, Vol. 33 ›› Issue (Z1): 58-69.doi: 10.3969/j.issn.1000-436x.2012.z1.009

• 学术论文 • 上一篇    下一篇

可证安全的无证书盲代理重签名

冯涛,梁一鑫   

  1. 兰州理工大学 计算机与通信学院,甘肃 兰州 730050
  • 出版日期:2012-09-25 发布日期:2017-08-03
  • 基金资助:
    国家自然科学基金资助项目;甘肃省高等学校基本科研业务费基金资助项目;甘肃省自然科学基金资助项目;兰州理工大学博士基金资助项目

Provably secure certificate less blind proxy re-signatures

Tao FENG,Yi-xin LIANG   

  1. School of Computer and Communication,Lanzhou University of Technology,Lanzhou 730050,China
  • Online:2012-09-25 Published:2017-08-03
  • Supported by:
    The National Natural Science Foundation of China;The Universities Basic Scientific Research Foundation of Gansu Province;The Natural Science Foundation of Gansu Province;The Lanzhou University of Technology PhD Programs of China

摘要:

利用双线性群,在代理重签名机制和盲签名机制的基础上,提出了一个有效的无证书盲代理重签名方案。方案中解决了密钥托管问题及证书管理带来的额外开销,同时实现了代理者在签名转换中消息隐私特性。基于NGBDH问题和Many-NGBDH的困难性,证明了新方案具有能够抵抗伪造攻击的特性。该方案满足正确性和消息盲性。

关键词: 无证书密码系统, 代理重签名, 盲签名, 双线性映射

Abstract:

Using bilinear groups,an efficient certificate less blind proxy re-signature scheme was proposed based on the proxy re-signature scheme and blind signature scheme.The scheme solves the using of certificate in certificate-based scheme and removes key escrow in ID-based scheme.While achieving message privacy features of the proxy signature conversion.Based on the difficulty of NGBH and Many-NGBH problem,It proves that the new scheme can resist forgery attack characteristics.The scheme satisfies security properties:correctness and message blindness.

Key words: certificateless cryptography, proxy re-signatures, blind signature, bilinear map

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