Low-overhead cryptographic method and apparatus for providing memory confidentiality, integrity and replay protection
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United States of America Patent
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Jun 9, 2015
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Feb 6, 2014
app pub date -
Dec 28, 2011
filing date -
Dec 28, 2011
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Abstract
A method and system to provide a low-overhead cryptographic scheme that affords memory confidentiality, integrity and replay-protection by removing the critical read-after-write dependency between the various levels of the cryptographic tree. In one embodiment of the invention, the cryptographic processing of a child node can be pipelined with that of the parent nodes. This parallelization provided by the invention results in an efficient utilization of the cryptographic pipeline, enabling significantly lower performance overheads.
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