Appeal 2006-2107
Application 09/969,833
11. As filed, the application contained claims 1-22 including
representative originally filed claim 1 which is reproduced below:
1. A method for generating one or more output values
of a one-way chain, the one-way chain having at least one
starting point and at least one endpoint, the method comprising
the steps of:
computing a given one of the output values at a current
position in the one-way chain utilizing a first helper value
previously stored for another position in the one-way chain
between the current position and the endpoint of the chain; and
computing 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 utilizable
to facilitate subsequent computation of another one of the
output values.
12. On October 5, 2004, the Examiner entered a Non-Final Office
Action.
13. Claims 1-22 were 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.
14. Claims 1-5, 7-13, 18, and 20-22, were also rejected under
35 U.S.C. § 102(b) as being unpatentable over Chaum, U.S. Patent
5,434,919.
15. Chaum is prior art under 35 U.S.C. § 102(b).
16. On January 10, 2005, Appellant filed an Amendment (“the
Amendment”) responding to the Examiner's First Office Action.
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