ASYMMETRIC KEY CRYPTOSYSTEM BASED ON SHARED KNOWLEDGE
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United States of America Patent
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Issued Date -
Jul 13, 2006
app pub date -
Aug 8, 2005
filing date -
Jan 7, 2005
priority date (Note) -
Abandoned
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Abstract
An asymmetric key cryptosystem is provided using a private key of a public-private key pair by: identifying domain parameters of a finite cyclic group, the domain parameters including an initial generating point; transforming the initial generating point into a new generating point as a deterministic function; generating the public key as a deterministic function of the private key and the domain parameters, in which the new generating point is substituted for the initial generating point; and generating the digital signature as a deterministic function of the private key and the domain parameters, in which the new generating point is substituted for the initial generating point.
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