Secure remote authentication of local machine services using secret sharing
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United States of America Patent
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Aug 22, 2017
Grant Date -
Jul 6, 2017
app pub date -
Mar 17, 2017
filing date -
Jan 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A method for authentication of a computing device so that shares of a secret may be delivered, over a network that uses a communications protocol which does not require use of an address, and on which an authentication server is listening, comprising the steps of dividing the secret into a first share and a second share, or more; destroying the secret; transmitting the second share, together with a unique identifier, out of band to a pre-designated location; erasing the second share from the computing device; storing the first share at the computing device; broadcasting the unique identifier over the network; accepting a request over the network from an authentication server to initiate an authentication protocol; responding to the request; receiving the second share from the authentication server; and reconstructing the secret using the received second share and the stored first share.
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