Group key management is one of the kernel problems in secure multicast.
而组密钥管理是安全组播的核心问题之一。
Multicast key management is the key problem for secure multicast communication.
多播密钥管理是确保多播安全通信的核心问题。
The key tree based group key management algorithms are widely used in secure multicast.
安全组播目前主要采用基于密钥树的组密钥管理算法。
The existing multicast routing is difficult to guarantee this, so it is still a hot spot for Secure multicast.
现有的组播路由技术很难保证这一点，所以安全组播仍然是一个热点。
First of all, this dissertation extensively studied the group key management algorithms based on key tree in secure multicast.
首先本文深入研究了安全组播中基于密钥树的组密钥管理算法。
On the based of analyzing the existing key management scheme, it proposes a key management scheme based on subgroup for secure multicast.
在分析现有的组播密钥管理方案的基础上，提出了基于子群的安全组播密钥管理方案。
The difficulty of utilizing public key broadcast encryption in secure multicast is keep balance between implementation cost and security.
应用公钥广播加密进行安全组播的难点是如何更有效地权衡实现代价和安全性。
By analyzing the issues of secure multicast and secure services, this paper states problems of secure multicast architecture which need to be noticed.
文章通过分析组播的安全问题和安全服务，给出了设计体系结构中需要注意的问题。
For providing the most flexibility to fulfill requirements of different secure multicast application, the content of the scheme is define with a framework based on policies.
论文安全多播机制采用策略的方式定义机制的内容框架，不同的现代远程教育多播应用可以组合不同的策略满足自己不同的安全多播要求。
This paper describes the design and implementation of the cryptographic API in Secure Multicast System and discusses the optimization of the cryptographic algorithms in implementation.
文章描述了安全多播系统中的密码api的设计与实现，并讨论了密码算法实现中的优化问题。
In this paper, we propose a novel secure multicast scheme with key agreement based on Elliptic Curve Cryptosystem and group communication inside Identity-based Public key Cryptography system.
提出一个应用椭圆曲线密码体制进行密钥协商而在基于身份的公钥系统内进行组通信的全新安全组播方案。
This paper introduces the design and implementation of group secure cooperative multi-session system based on multicast.
介绍了基于组播的安全协同多会话交谈系统的设计与实现。
Aiming at the self-beneficial attack problem in layered multicast protocol, a secure layered multicast protocol is presented. The congestion state related access control algorithm is designed.
针对分层组播协议存在的自利型攻击问题，提出了一种安全分层组播协议，设计了基于拥塞状态的访问控制算法。
This paper proposes a secure source specific multicast scheme based on multicast channel hopping.
提出了一种基于组播频道跳变的安全特定源组播通信方案。
The multicast applications are going to be widely adopted, and more and more applications need multicast provide them with secure solutions.
组播有着很广阔的应用前景，越来越多的组播应用对组播提出了安全性要求。
The current secure access control techniques in IP multicast just implemented the access control to multicast receivers.
目前针对IP组播的安全访问控制问题的解决方案只是实现了对组播接收者的访问控制。
In multicast communication, how to distribute and manage keys for secure communication is the research scope of multicast key management.
在组播通信中，如何实现有效的分配、管理安全通信的密钥是组播密钥管理的研究范畴。
The group key management problems this thesis studies mainly include energy-saving multicast key distribution, secure and efficient group rekeying, and key pre-distribution.
论文重点对节能的密钥分发、安全和高效的组密钥更新以及密钥预分发等组密钥管理的关键问题进行研究。
We propose a secure framework for multi-layer multicast applications and introduce the control of group members, the management of secret key and the secure transmission of data.
提出了一种适用于多层组播服务的安全架构，介绍了组成员控制、组密钥管理以及数据的安全传输。
We propose a secure framework for multi-layer multicast applications and introduce the control of group members, the management of secret key and the secure transmission of data.
提出了一种适用于多层组播服务的安全架构，介绍了组成员控制、组密钥管理以及数据的安全传输。
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