本方案具有分布式的私钥安全保存,及时的证书撤销和分布式信任管理等优点。
The proposed scheme has the advantages of secure private key storage, immediate certificate revocation and distributed trust management.
分布式信任证存储策略存在单点失效及容错性差等问题,可能导致信任证丢失。为此,提出一种改进的分布式存储策略。
Aiming at the problem of single-point failure which may lead to loss of credentials and poor fault-tolerance in distributed storage strategies, an improved distributed storage strategy is proposed.
现有的网格安全体系GSI主要是通过公钥体系及建立在其上的分布式信任模型来建立与维护虚拟组织内部的安全策略空间。
Current grid security infrastructure establishes the security policy space inside a VO mainly on basis of the public key infra-structure and distributed trust model.
在一个分布式的信誉系统里,一旦对一个消息源是否值得信任做出了判定,这个判定可以用作将来的参考。
With a distributed reputation system, the decisions of whether a source is trustworthy can be passed back to applications in ways that adds context to future decisions.
应用程序可以在分布式事务中使用受信任连接。
The application program will be able to utilize the trusted connection in an distributed transactions.
基于角色的信任委托管理系统是分布式证书管理系统中一个重要的授权管理解决方案,也是计算机安全领域的研究热点。
Role-Based Trust Management System (RBTM) is an effective way to authorization solution in distributed credential management system, and is a hot field in Computer Security.
从传感器行为的空间相关性和时间相关性入手。提出一种基于相似度的以局部检测为主的分布式传感器行为信任认证机制。
Considering that in many cases, a sensor behaviour is both spatially and temporally correlated, proposes a distributed and localized behaviour trust mechanism based on similarity.
完全集中式和完全分布式的信任模型也存在路由开销太大、内存不足和计算能力有限等问题。
Fully distributed trust models are also not suitable because they have limited computing capacity and memory and so on.
信任机制是解决这些问题的有效手段,为保证分布式环境的安全提供了新的思路和方法,已经成为当前的一个研究热点。
Trust mechanism is an effective way to address these issues. It provides new thinking and methods to ensure the security of distributed environments and has become a current research hotspot.
分布式网络的性能始终无法达到理论上的最佳状态,其中一个主要原因是节点之间缺乏信任。
Distributed network performance has never been able to achieve the theoretically best state. One of the main reasons is the lack of trust between the nodes.
系统中采用了信任链机制、基于角色的访问控制模型、两级日志、可信认证等技术,同时给出了可信在分布式计算机系统中的实现技术和途径。
In this system, many new techniques are adopted, for example, mechanism of the chain of trust, role-based access control model, two-level of logs, trusted authorization and so on.
是一个简单的分布式数据库,具有一个 分等级的信任系统,其在底层使用现有的P2P网络。
TOT ("tree of trust") is a simple distributed database with a hierarchical trust system, which uses existing P2P networks as the underlying layer.
当前对等网络研究的重点是基于分布式哈希表的资源定位问题,以及基于节点间信任机制的交互安全问题。
Currently, the research of p2p is focused on resources location based on distributed hash table and transaction security based on trust mechanism between peers.
由于分布式网络具有开放性、协作性和动态性的特点,每个节点具有高度的自主性,所以很难对信任进行集中管理。
The distributed network is open, collaborative and dynamic, in which each node has a high degree of autonomy. So it is difficult to carry out centralized management of trust.
在P2P分布式文件系统中,一般不存在完全意义上的中心服务器,其信任机制的建立依靠的是非中心化的信任管理。
In P2P distributed file system, there are not any central severs with complete founctions. That means the construction of trust system depends on non-central or distributed methods.
“如何在分布式环境中建立通信和交易主体间的信任关系”成为一个重要问题。
How to establish mutual trust between entities wishing to communicate and do business in decentralized computing environment is a challenge.
当前分布式系统中的负载均衡的预测都是基于对预测结果完全信任的机制,但是这种信任会有一定的风险,进而影响系统的效率。
Load balancing prediction in distributed system is based on full trust in prediction currently. However such trust may risk wrong prediction and degrade the systems efficiency.
信任协商是分布式环境下陌生实体通过交替地披露属性证书建立信任关系的有效方法。
Trust negotiation is an approach to build trust relationship between strangers by disclosing attribute credentials alternately.
信任管理体系是一种能综合处理信任状、信任关系和安全策略,直接实现授权,且更高效、更完善的分布式授权方式。
Trust management is a better and more efficiency authorization mechanism which deals with the credentials, security policies and trust relationships integrated, and do authorization directly.
给出一种在分布式P 2 P系统中存取全局信任值的方法,解决了单点失效问题。
It puts forward a method that can access global trust value in distributed P2P system, and resolves signal peer invalid problem.
最后给出了该方案的应用实例,用于表达分布式网络环境中基于直接信任和推荐信任的计算模型。
At last, an example is described about trust inferring and policy between direct trust and recommend trust.
已有研究工作主要集中在分布式服务、分布式存储与搜索、P2P(对等计算)信任模型等方面,但对分布式交易模式的研究还比较缺乏;
There have been a lot of research work in distributed services, distributed storage and search, P2P trust model, etc. , while distributed trading pattern is scarcely studied.
传统的分布式访问控制模型以及信任管理模型并不能很好地适应对等网络环境。
The traditional access control models and trust management models can not satisfy the P2P environment commendably.
传统的分布式访问控制模型以及信任管理模型并不能很好地适应对等网络环境。
The traditional access control models and trust management models can not satisfy the P2P environment commendably.
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