Permutation data transform to enhance security

Details Permutation data transform to enhance security Permutation data transform to enhance security

2004-08-12

2011-12-13

Dada, Beemnet (Department: 2435)

Cryptography

Particular algorithmic function encoding

C380S277000

Reexamination Certificate

active

08077861

ABSTRACT:
A data input is divided into two segments; the second segment is also divided into groups. Bits in the first segment are used to control the application of permutation functions to bit groups in the second segment. The transformed data is assembled from the first segment and the permuted groups of the second segment. This data transformation can be applied in combination with a key derivation algorithm, a key wrapping algorithm, or an encryption algorithm to enhance the security of these other applications.

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