Data processing device with data processing means utilizing...

Details Data processing device with data processing means utilizing... Data processing device with data processing means utilizing...

2005-08-09

2005-08-09

Barrón, Gilberto (Department: 2131)

Cryptography

Key management

Having particular key generator

C713S152000, C713S194000

Reexamination Certificate

active

06928164

ABSTRACT:
A data processing device (1) which includes a circuit (2) with data processing means (17) which are suitable for processing data (DA) while utilizing a characteristic value (CV) and with sequencing means (15) which are arranged to execute an algorithm in order to control the data processing means (17) in conformity with this algorithm which comprises a given number N of sub-algorithms containing identical successions of algorithm steps, is additionally provided with order fixation means (29) which co-operate with the sequencing means (15) and whereby, each time when the algorithm is executed, an order can be fixed from a plurality of feasible orders for the execution of the N sub-algorithms.

REFERENCES:
patent: 6745254 (2004-06-01), Boggs et al.
patent: 6745331 (2004-06-01), Silverbrook
patent: 0448262 (1991-09-01), None
patent: WO9733217 (1997-09-01), None
Van, May 25, 1992, Computing Canada, v18, n11, p1(2).

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