Protected storage of a datum in an integrated circuit

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection

Reexamination Certificate

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Details

C713S189000, C713S190000, C713S192000, C713S168000, C380S264000, C380S265000, C380S028000, C711S163000, C711S154000

Reexamination Certificate

active

07945791

ABSTRACT:
A method for protecting at least one first datum to be stored in an integrated circuit, including, upon storage of the first datum, performing a combination with at least one second physical datum coming from at least one network of physical parameters, and only storing the result of this combination, and in read mode, extracting the stored result and using the second physical datum to restore the first datum.

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