A Secure Group Agreement (SGA) Protocol for Peer-to-Peer Applications
A Secure Group Agreement (SGA) Protocol for Peer-to-Peer Applications
复制标题
用于点对点应用程序的安全组协议 (SGA) 协议
DOI：
10.1109/ainaw.2007.53
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
Vanessa Teague
中科院分区：
文献类型：
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作者：
A. Corman;P. Schachte;Vanessa Teague
缺乏可信的中央权威给点对点网络带来了独特的安全挑战。必须假设网络中所有对等方的某些部分是腐败的，并且可能串通一气，试图获取优势。尽管如此，在某些情况下，有必要选择对等网络的子集，使得所选组的所有成员都可以确信大多数组成员是诚实的。我们提出了一种安全协议，用于在没有可信机构的情况下从网络中选择对等点的子集。我们的协议以任何期望的概率确保子集中腐败成员的百分比不大于选定的限制（最高为腐败对等点的总百分比）。然后我们讨论该协议在点对点游戏中的使用。
The lack of a trusted central authority poses a unique security challenge to peer-to-peer networks. It must be assumed that some fraction of all peers in a network are corrupt and may collude to try to derive an advantage. Nonetheless, in some circumstances it is necessary to select a subset of the peer-to-peer network in such a way that all members of the selected group can be confident that most group members are honest. We propose a secure protocol for the selection of a subset of peers from the network without a trusted authority. Our protocol ensures, with any desired probability, that the percentage of corrupt members in the subset is no greater than a selected limit (up to the total percentage of corrupt peers). We then discuss the use of this protocol in the context of a peer-to-peer game.