Key Management for Multilevel Security in Distributed Applications

QING Si-han; MENG Yang; LIU Ke-long

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Key Management for Multilevel Security in Distributed Applications

更新时间：2025-07-16

- Key Management for Multilevel Security in Distributed Applications
- Acta Electronica Sinica Vol. 29, Issue 2, Pages: 269-271(2001)
- 作者机构：
  
  中国科学院软件研究所,中国科学院信息安全工程研究中心,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2001
- 稿件说明：
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QING Si-han, MENG Yang, LIU Ke-long. Key Management for Multilevel Security in Distributed Applications[J]. Acta Electronica Sinica, 2001, 29(2): 269-271.
DOI：

QING Si-han, MENG Yang, LIU Ke-long. Key Management for Multilevel Security in Distributed Applications[J]. Acta Electronica Sinica, 2001, 29(2): 269-271. DOI：

摘要

本文提出一种分布式应用中的多级安全密钥管理体制

该体制采用BELL-LaPadula模型作为多级安全存取控制策略

利用中国剩余定理

引入"主密钥因子"

"次密钥因子"

"写入因子"

构造会话密钥的共享信息

该体制具有高效

安全

动态的特点.这种体制有广泛的应用前景

有效的解决了网上会议

网上讨论等实际应用中的密钥管理问题.

Abstract

A key management scheme for multilevel security in distributed applications is presented.The scheme adopts BELL-LaPadula model as multilevel access control policies.We use Chinese Remainder Theorem

introduce the notions of first-secret-key-element

second-secret-key-element and writing-element

and construct sharing information of session key.The scheme is efficient

secure and dynamic.At the same time

there are many practical applications involving the scheme for key management such as meeting in the network and talking in the network etc.

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