Processing activity masking in a data processing system

Details Processing activity masking in a data processing system Processing activity masking in a data processing system

2003-10-06

2008-09-16

Chan, Eddie P (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Processing control for data transfer

C713S189000

Reexamination Certificate

active

07426629

ABSTRACT:
A data processing system is provided with mechanisms such that when a data value is stored within a data register, further data values are stored within one or more further registers such that the total number of signal transitions from high to low and from low to high does not vary in dependence upon the data value being written or the previous data value.

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patent: 2004/0025032 (2004-02-01), Chow et al.
S. Almanei, “Protecting Smart Cards From Power Analysis Attacks” ′Online! May 28, 2002, XP001130984.
International Search Report.

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