CRYPTOGRAPHIC PROCESSES
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United States of America Patent
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Issued Date -
Sep 10, 2015
app pub date -
Jul 13, 2012
filing date -
Jul 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for sending via a communications network a public encryption key of a first node of the network to a second node of the network, the process being executed by the first node, and including the steps of: generating first audio-visual data representing at least one of an audio and a visual environment of the first node; applying a one-way function to the public encryption key and the first audio-visual data to generate first digest data; sending the first digest data to the second node; receiving from the second node confirmation that the first digest data was received by the second node; subsequent to the step of receiving the confirmation, sending the public encryption key and the first audio-visual data to the second node to allow the second node to determine that the public encryption key and the first audio-visual data were used to generate the first digest data; sending second audio-visual data to the second node, the second audio-visual data being different to but congruent with the first audio-visual data to allow the second node to determine that the second audio-visual data is congruent with the first audio-visual data, and consequently that the public encryption key received by the second node is that of the first node.
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