Electric circuit management method and device

Details Electric circuit management method and device Electric circuit management method and device

2008-05-13

2008-05-13

Moise, Emmanuel L. (Department: 2137)

Cryptography

Key management

Key distribution

C713S189000, C713S300000, C380S200000, C380S054000, C380S252000

Reexamination Certificate

active

09979408

ABSTRACT:
The invention proposes a method of managing an electronic circuit of the type comprising a memory (EEPROM) for the storage of confidential information, the method comprising masking variations of the electrical current (I) consumed by the electronic circuit, during a fraction of the time only (ti-tj), at least during the portion(s) of time during which an instruction bearing on confidential data is executed, and notably an instruction for reading out from the memory (EEPROM).

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