Platform and method for establishing trust without revealing identity
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United States of America Patent
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Apr 29, 2008
Grant Date -
Mar 31, 2005
app pub date -
Sep 30, 2003
filing date -
Sep 30, 2003
priority date (Note) -
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Abstract
One aspect of an embodiment of the invention provides a method and platform to prove to a challenger that a responder device possesses cryptographic information from a certifying manufacturer. This is accomplished by performing a direct proof by the responder device to prove that the responder device possesses the cryptographic information. The direct proof comprises at least one exponentiation being conducted using an exponent having a bit length no more than one-half a bit length of a modulus (n).
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