Method and system for generating implicit certificates and applications to identity-based encryption (IBE)
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United States of America Patent
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Jun 4, 2013
Grant Date -
Feb 19, 2009
app pub date -
Jul 10, 2008
filing date -
Jul 17, 2007
priority date (Note) -
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Abstract
The invention relates to a method of generating an implicit certificate and a method of generating a private key from a public key. The method involves a method generating an implicit certificate in three phases. The public key may be an entity's identity or derived from an entity's identify. Only the owner of the public key possesses complete information to generate the corresponding private key. No authority is required to nor able to generate an entity's private key.
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