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31. 发明申请

US20110231665A1 METHOD OF PERFORMING AUTHENTICATION BETWEEN NETWORK NODES 有权
标题翻译：执行网络代码之间的认证方法
公开(公告)号：US20110231665A1
公开(公告)日：2011-09-22
申请号：US13130897
申请日：2009-12-02
申请人： Simon Robert Wiseman
发明人： Simon Robert Wiseman
IPC分类号： H04L9/32
CPC分类号： H04L9/321 , H04L9/0838 , H04L9/0855
摘要： A method of authentication between first (QNodeX) and second (QNodeY) network nodes within a network suitable for implementing quantum cryptography comprises steps in which the first and second nodes each generate a cryptographic hash ([MXY]AI, [MYX]AJ) of a message ([MXY], [MYX]) using respective authentication keys (AI, AJ) shared with a third network node (QNodeW). The messages may be those exchanged between the first and second nodes during agreement of a quantum key to be used between the nodes. An authentication key to be shared by the first and second nodes may be established using the quantum key. The invention therefore allows an authentication key to be established and shared between the first and second network nodes without direct physical intervention. Networks having large numbers of network nodes may be re-keyed following replacement or maintenance of a network node much more quickly and easily than is the case where re-keying is achieved by physically supplying shared authentication keys.
摘要翻译：适用于实现量子加密的网络内的第一（QNodeX）和第二（QNodeY）网络节点之间的认证方法包括以下步骤：第一和第二节点各自生成密码散列（[MXY] AI，[MYX] AJ）使用与第三网络节点（QNodeW）共享的各个认证密钥（AI，AJ）的消息（[MXY]，[MYX]）。消息可以是在要在节点之间使用的量子密钥的协议期间在第一和第二节点之间交换的消息。可以使用量子密钥来建立由第一和第二节点共享的认证密钥。因此，本发明允许在没有直接物理干预的情况下在第一和第二网络节点之间建立和共享认证密钥。具有大量网络节点的网络可以在比通过物理提供共享认证密钥来实现重新密钥的情况下更快速和容易地更换或维护网络节点之后重新键入。

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