Appeal 2006-2107
Application 09/969,833
17. The Amendment similarly amended claims 1, 21, and 22.
Claim 1 as amended is reproduced below (matter underlined added by the
Amendment):
1. A method for generating one or more output values
of a one-way chain in a processing device comprising a
processor coupled to a memory, the one-way chain having at
least one starting point and at least one endpoint, the method
comprising the steps of:
computing in the processor a given one of the output
values at a current position in the one-way chain utilizing a first
helper value previously stored in the memory for another
position in the one-way chain between the current position and
the endpoint of the chain; and
computing in the processor at least a second helper value
for a new position in the chain between the current position and
the endpoint of the chain, the second helper value being stored
in the memory and utilizable to facilitate subsequent
computation of another one of the output values in the
processor.
18. After entry of the Amendment, the application claims were 1-
22.
19. On May 4, 2005, the Examiner entered a Final Rejection.
20. Claims 1-22 were finally rejected under 35 U.S.C. § 101
essentially because claims 1-22 were directed to an abstract idea, and claims
1-22 failed to produce a useful, concrete, and tangible result.
21. Appellant appeals under 35 U.S.C. § 134 from the Final
Rejection.
22. A copy of the claims 1-22 under appeal is set forth in the Claim
Appendix of Appellant’s Brief.
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