Robust data broadcast over a distributed network with malicious failures
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United States of America Patent
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-
Dec 29, 1992
Grant Date -
N/A
app pub date -
May 9, 1989
filing date -
May 9, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A public-key encryption system is used to reliably transmit packets over a network subject to malicious failures. Each node on the network is associated with a public and private key. A transmission over the network identifies its originating node and also includes a digital-signature code word generated by encoding predetermined portions of the transmission using the private key of the originating node. When a transmission is received, the receiving node verifies that the transmission was originated by the identified originating node by manipulating the packet contents using the public key associated with the originating node. The packet is accepted only if the digital-signature code word in the packet corresponds to contents of the packet and the public key of the originating node.
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