Cryptography – Particular algorithmic function encoding
Reexamination Certificate
2006-08-29
2006-08-29
Barron, Jr., Gilberto (Department: 2132)
Cryptography
Particular algorithmic function encoding
C380S037000, C380S268000
Reexamination Certificate
active
07099469
ABSTRACT:
A scrambling method (510) divides a set of data (200) into a first portion and a second portion. A first scrambling method is performed on the first portion of the set of data to create a scrambled first portion of the data. The second portion of the set of data is modified with the scrambled first portion of the set of data to create a modified second portion of the set of data. A second scrambling method is performed on the modified second portion of the set of data to create a scrambled second portion of the set of data. The scrambled first portion of the set of data is modified with the scrambled second portion of the set of data to create a scrambled set of data (220). A descrambling method (520) reverses the scrambling method (510) to create a descrambed set of data (200).
REFERENCES:
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patent: 5844509 (1998-12-01), Behrens et al.
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Stallings, W., “Cryptography And Newtork Security—Principles And Practice”, 1999, Prentice Hall, 2ndEdition, pp. 109-114.
Collins Timothy James
Gurney David P.
Kuffner Stephen L.
Kuhlman Douglas A.
Messerges Thomas S.
Barron Jr. Gilberto
Dinh Minh
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