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Reliable Communications in a Network with Unreliable Key Distribution Centers

机译：具有不可靠密钥分发中心的网络中的可靠通信

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This paper reports on the providing of a means to communicate in secrecy and with authentication in a network with unreliable KDC's, so long as not more than l out of 2l + 1 KDC's become untrustworthy, i.e., of replacing the dependence on an unconditionally trustworthy element(s) with a distributed trust that at least most of the elements will be trustworthy, but without knowing in advance which ones can be trusted. Although we restricted discussion to the simplest example possible of setting up a secure communications link between a and b, the protocol generalizes in an obvious and easy way to set up conference calls among n subscribers. The recovery protocol also generalizes in the obvious way to insure secure conferencing so long as not more than l KDC's have failed. (ERA citation 12:036565)

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