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    • 94. 发明授权
    • Key transport in quantum cryptographic networks
    • 量子加密网络中的关键传输
    • US07236597B2
    • 2007-06-26
    • US10324040
    • 2002-12-20
    • Brig Barnum ElliottDavid Spencer Pearson
    • Brig Barnum ElliottDavid Spencer Pearson
    • H04L9/08
    • H04L63/06H04L9/0852H04L63/164
    • Methods, apparatus, and systems are provided for distributing a key between nodes. The nodes are provided separate links for carrying messages versus keying information or material. The links for carrying messages couple the nodes to a messaging network, such as the Internet. In addition, the nodes are coupled together in a key distribution network by specialized links for carrying keying information or material. The links for keying information or material are configured to ensure the security of the keying information or material. The nodes that neighbor each other in the key distribution network establish respective pairwise keys. Once the pairwise keys are established, a set of non-neighboring nodes establish a shared key by communicating a sequence of bits through the messaging network. In order to ensure the security of the sequence of bits, the sequence of bits is encrypted based on the respective pairwise keys of neighboring nodes as it is forwarded in messages through the messaging network.
    • 提供方法,装置和系统用于在节点之间分配密钥。 节点被提供用于携带消息与键控信息或材料的单独链接。 用于携带消息的链路将节点耦合到诸如因特网的消息传递网络。 另外,节点通过用于携带密钥信息或材料的专用链路在密钥分发网络中耦合在一起。 密钥信息或材料的链接被配置为确保密钥信息或材料的安全性。 在密钥分发网络中彼此相邻的节点建立相应的成对密钥。 一旦成对密钥建立,一组非相邻节点通过通过消息传递网络传送比特序列来建立共享密钥。 为了确保比特序列的安全性,当通过消息传递网络在消息中转发时,基于相邻节点的相应成对密钥对比特序列进行加密。