The opinion in support of the decision being entered today was not
written for publication and is not binding precedent of the Board.
Paper No. 39
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte ERIC SPRUNK
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Appeal No. 2000-1330
Application No. 08/972,835
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HEARD: December 13, 2001
____________
Before FLEMING, LALL, and BLANKENSHIP, Administrative Patent
Judges.
FLEMING, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal under 35 U.S.C. § 134 from
the final rejection of claims 1 through 6, 8 through 20 and 23
through 31, all of the claims pending in the present
application. Claims 7, 21 and 22 have been canceled.
The invention is directed to a method and apparatus for
generating cryptographic keys with a concealed work factor.
The system provides a high apparent work factor to maintain a
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