基于Asmuth-Bloom门限体制的密钥托管
KEY ESCROW BASED ON ASMUTH-BLOOM THRESHOLD SYSTEM
-
摘要: 密钥托管密码体制不仅能保护用户的隐私权,同时允许法律授权下的监听。本文基于Asmuth-Bloom门限体制提出了一种密钥托管体制,并分析了体制的安全性。
-
关键词:
- 密钥托管; 门限方案; 委托人
Abstract: A key escrow cryptosystem can not only provide protection for user s privacy, while at the same time, allows for the wiretapping when lawfully authorized. In this paper, a secret key escrow system based on Asmuth-Bloom threshold scheme is given and its security is analysed. -
Denning D E, Smid M. Key escrowing today. IEEE Communications Magazine, 1994, 32(9) 54-68.[2]Denning D E, Branstad D A. A taxonomy for key-escrow encryption systems. Commun. ACM 1996, 39(3): 34-40.[3]Asmuth C, Bloom J. A modular approach to key safeguarding. IEEE Trans. on Information Theory, 1983, IT-29: 208-210.[4]Desmedt Y, Frakel Y. Threshold Cryptosystems. In G. Brassard, editor, Advances in Cryptology, Proc.of Crypto'89 (Lecture Notes in Computer Science 435), Heidelberg: Springer-Verlag, 1990, 307-315.[5]Pedersen T. Non-interactive and Information Theoretic Secure Verifiable Secret Sharing. Ad-[6]vances in Cryptology-Crypto'91 (Lecture Notes in Computer Science 576), Berlin: Springer-[7]Verlag, 1991, 129-140. -
计量
- 文章访问数: 2305
- HTML全文浏览量: 150
- PDF下载量: 469
- 被引次数: 0
下载:
