Title:
VARIABLE SUBSTITUTION DATA PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2011/058011
Kind Code:
A3
Abstract:
In an embodiment the present invention relates to a method comprising: inputting data in binary form; arranging the input data in segments; determining a plurality of values based on respective ones of said segments; using said values to determine locations where a predetermined transformation is to be applied to a sequence of bits; performing said predetermined transformation on said sequence of bits at each of said locations; outputting the sequence of bits as first output data. The present invention can be applied to encryption and decryption of data, data comparison and verification, and random data generation.
Inventors:
JACKSON-SMITH ALEXANDER (DE)
Application Number:
PCT/EP2010/067116
Publication Date:
July 07, 2011
Filing Date:
November 09, 2010
Export Citation:
Assignee:
JACKSON-SMITH ALEXANDER (DE)
International Classes:
H03M7/00; H04L9/06
Foreign References:
| EP1059760A1 | 2000-12-13 |
Other References:
DAEMEN J ET AL: "AES PROPOSAL: RIJNDAEL", AES PROPOSAL, XX, XX, 3 September 1999 (1999-09-03), pages 1 - 45, XP001060386
MESSERGES T S: "SECURING THE AES FINALISTS AGAINST POWER ANALYSIS ATTACKS", FAST SOFTWARE ENCRYPTION. INTERNATIONAL WORKSHOP, XX, XX, vol. 1978, 1 April 2000 (2000-04-01), pages 150 - 164, XP001040960
MESSERGES T S: "SECURING THE AES FINALISTS AGAINST POWER ANALYSIS ATTACKS", FAST SOFTWARE ENCRYPTION. INTERNATIONAL WORKSHOP, XX, XX, vol. 1978, 1 April 2000 (2000-04-01), pages 150 - 164, XP001040960
Attorney, Agent or Firm:
RUMMLER, Felix (München, DE)
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