Hardware protection for encrypted strings and protection of security parameters
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United States of America Patent
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Apr 7, 2015
Issued Date -
N/A
app pub date -
Feb 26, 2009
filing date -
Feb 26, 2008
priority date (Note) -
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Abstract
In one embodiment, a disk drive is provided that is adapted for security authentication. The disk drive includes: a non-volatile memory storing object code; a processor for retrieving the stored object code; a decryption engine for decrypting a retrieved shared secret from the object code; and a first memory for storing the decrypted retrieved shared secret; wherein the processor is configured to overwrite the written decrypted retrieved shared secret after it has been used in an authentication procedure.
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