Method and system for secure communication using hash-based message authentication codes
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United States of America Patent
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Oct 15, 2013
Grant Date -
Sep 29, 2011
app pub date -
Mar 23, 2011
filing date -
Mar 24, 2010
priority date (Note) -
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Abstract
A system and method for secure communication is provided. A first hash-based message authentication code is generated from a shared secret and a first counter value stored in storage of a computing device. A second hash-based message authentication code is generated from such shared secret and a second counter value. An encryption key is derived from a function of the first hash-based message authentication code and the second hash-based message authentication code. A message is encrypted using the encryption key, and communicated via a network interface of the computing device.
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