Appeal No. 2006-0655
Application 09/459,287
Representative independent claim 1 is reproduced below:
1. A method for authenticating digital data in a system for
writing digital data entered from an input device to a memory
device and transferring the digital data written in the memory
device to a receiving device, said method comprising the steps
of:
performing a first device authentication between the input
device and the memory device when writing digital data from the
input device to the memory device; and
performing a second device authentication between the memory
device and the receiving device when transferring the digital
data from the memory device to the receiving device.
The following references are relied on by the examiner:
Altschuler et al. (Altschuler) 5,465,300 Nov. 7, 1995
Traw et al. (Traw) 5,949,877 Sep. 7, 1999
(Filed Jan. 30, 1997)
Steinberg 6,510,520 Jan. 21, 2003
(Filed Jun. 26, 1998)
Schneier, Bruce, Applied Cryptography, Second Edition, 1996
John Wiley & Sons, p.455
Claims 1 through 5, 8 and 10 through 22 stand rejected under
35 U.S.C. § 103. As to claims 1 through 3, 5, 8, 10 through 12,
14 through 19 and 21, the examiner relies upon Steinberg in view
of Traw. To this first stated rejection the examiner adds
Altschuler as to claim 4, and separately adds Schneier as to
claims 13, 20 and 22 in a third stated rejection.
Rather than repeat the positions of the appellants and the
examiner, reference is made to the brief (no reply brief has been
filed) for appellants’ positions, and to the answer for the
examiner’s positions.
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