| 一种基于身份的无可信中心密钥管理方案研究 |
| |
| 引用本文： | 朱广彬,孟嗣仪,刘云.一种基于身份的无可信中心密钥管理方案研究[J].铁路计算机应用,2010,19(9):4-7. |
| |
| 作者姓名： | 朱广彬 孟嗣仪 刘云 |
| |
| 作者单位： | 北京交通大学,网络舆论安全研究中心,北京,100044 |
| |
| 基金项目： | 国家"863"计划基金资助项目，国家自然科学基金资助项目，北京市教育委员会共建项目专项资助，通信与信息系统北京市重点实验室资助项目 |
| |
| 摘 要： | 传统基于身份的密码系统存在着密钥托管和密钥撤销两大难题。针对该问题,提出一种新的基于身份的无可信中心密钥管理方案。方案利用Weil对的特性和单向函数的稳固性,结合Fujisaki-Okamoto混合变换,借鉴BF方案的时间片思想,添加显式的密钥撤销过程。给出安全性和性能分析。结果证明,此方案安全性较高并在计算效率上有很大提高。
|
| 关 键 词： | 密码系统 密钥管理 双线性映射 |
Research on new identity-based key management scheme without trusted party |
| |
| ZHU Guang-bin,MENG Si-yi,LIU Yun.Research on new identity-based key management scheme without trusted party[J].Railway Computer Application,2010,19(9):4-7. |
| |
| Authors: | ZHU Guang-bin MENG Si-yi LIU Yun |
| |
| Institution: | (Center for Security Studies Public Opinion,Beijing Jiaotong University,Beijing 100044,China) |
| |
| Abstract: | Key escrow and key revocation were the two inherent problems in traditional identity-based Encryption System.A new identity-based key management scheme without trusted party was proposed against these problems.This scheme took advantage of the feature of Weil pairs and the stability of one-way function,combined with Fujisaki-Okamoto hybrid transformation and the thought of time slice in BF-IBE,and added an explicit key revocation process.Finally,the security and performance analysis was given.Result showed that this scheme was more secure,and the efficiency in the calculation was greatly improved. |
| |
| Keywords: | Encryption System key management bilinear pairing |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
