Secure distribution of data or content using keyless...

Details Secure distribution of data or content using keyless... Secure distribution of data or content using keyless...

2008-05-09

2011-12-27

Truong, Thanhnga (Department: 2438)

Cryptography

Particular algorithmic function encoding

C380S029000, C380S030000, C380S044000, C713S168000, C713S176000

Reexamination Certificate

active

08085932

ABSTRACT:
A computer enabled method and apparatus for encrypting and decrypting data using a keyless transformation cryptographic technique. Data is protected using a keyless (unkeyed) complex mathematical transformation, in contrast to a traditional cryptographic algorithm using a secret key. This approach is resistant to both static analysis (hacking) performed on executable encryption/decryption code, as well as dynamic analysis performed during execution (runtime) of ciphering or deciphering. The method uses a family of asymmetric data transformations based on Galois field polynomials.

REFERENCES:
patent: 6084918 (2000-07-01), Piret
patent: 6301362 (2001-10-01), Matyas et al.
patent: 2004/0168073 (2004-08-01), Bourne et al.
patent: 2006/0190723 (2006-08-01), Benson
patent: 2008/0037776 (2008-02-01), Akiyama et al.

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