Appeal No. 2003-1942 Page 3
Application No. 09/260,796
indicating that a consumer client belonging to the at least one solution
group may access the encrypted information set;
asymmetrically encrypting the randomly generated number using
the determined access formula and the public key for each of the at least
one group granted access to the information set;
adding the encrypted randomly generated number to the data set;
and
storing the data set on at least one untrusted storage device.
Claims 1, 2, 9, 11, 13, and 15-17 stand rejected under 35 U.S.C. § 102(e) as
anticipated by U.S. Patent No. 5,787,175 ("Carter"). Claims 3-5, 7, and 10 stand
rejected under 35 U.S.C. § 103(a) as obvious over Carter and U.S. Patent
No. 3,798,360 ("Feistel").
OPINION
Our opinion addresses the claims in the following order:
• claims 1 and 2
• claims 3-5 and 7
• claims 9-11, 13 and 15-17.
A. CLAIMS 1 AND 2
Rather than reiterate the positions of the examiner or the appellant in toto, we
focus on the point of contention therebetween. The examiner finds, "Carter elaborates
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