Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer
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United States of America Patent
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Jul 9, 2013
Issued Date -
N/A
app pub date -
Jun 4, 2010
filing date -
Jun 5, 2009
priority date (Note) -
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Abstract
A system and method for signing and authenticating electronic documents using public key cryptography applied by one or more server computer clusters operated in a trustworthy manner, which may act in cooperation with trusted components controlled and operated by the signer. The system employs a presentation authority for presenting an unsigned copy of an electronic document to a signing party and a signature authority for controlling a process for affixing an electronic signature to the unsigned document to create a signed electronic document. The system provides an applet for a signing party's computer that communicates with the signature authority.
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