UNIQUE CODE IN MESSAGE FOR SIGNATURE GENERATION IN ASYMMETRIC CRYPTOGRAPHIC DEVICE
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
Sep 27, 2012
filing date -
Sep 27, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and systems are disclosed for verifying the use of a client device by a host device in a secure system. In one aspect, a method for authenticating a client device includes receiving, by the client device, a message from a host device, accessing, by the client device, a private key and a unique code stored on the client device, where the unique code is different than the private key, generating, by the client device, a digital signature for the message using the private key and the unique code, and providing, by the client device, the digital signature to the host device for verification of the use of the client device by the host device.
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