METHOD AND APPARATUS FOR ASSURING ENHANCED SECURITY
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 30, 2009
filing date -
Jun 30, 2009
priority date (Note) -
Abandoned
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Abstract
Some embodiments provide a system to assure enhanced security, e.g., by assuring that information is not revealed over a covert channel. All communications between a source system and a destination system may pass through an intermediate system. In some embodiments, the intermediate system may perform an additional level of blinding to ensure that the source system does not covertly reveal information to the destination system. In some embodiments, the intermediate system may request the source system to perform a modification operation, and then check if the source system performed the modification operation. Examples of the modification operation include a blinding operation and a cryptographic hashing operation.
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