Authentication of data in a digital transmission system

Details Authentication of data in a digital transmission system Authentication of data in a digital transmission system

2007-01-26

2010-12-21

Brown, Christopher J (Department: 2439)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S161000, C713S193000

Reexamination Certificate

active

07856557

ABSTRACT:
A method of authentication of data to be sent in a digital transmission system, the data being organized in a series of at least three files, involving generating a first authentication value for at least one first file, storing said first authentication value in a second file, generating a second authentication value for said second file, storing said second authentication value in a third file, and transmitting said first, second, and third files to a receiver.

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Alfred J. Menezes, et al.; “Handbook of Applied Cryptography”; CRC Press, ISBN: 0-8493-8523-7, Oct. 1996 (Fifth printing Aug. 2001); Boca Raton, FL, U.S. 1997; pp. 11, 22, 33, 237, 241, 359, 399, and 547.
Office Action dated Aug. 10, 2007, in related U.S. Appl. No. 10/953,823 (10 pages).

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