Patent · US Active

Countermeasure method and device for protecting data circulating in an electronic component

US8958549B2 · kind B2 · utility

0Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 14, 2011
Grant dateFeb 17, 2015
Priority date
Expiry dateJan 2, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/12
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present disclosure relates to a countermeasure method in an integrated circuit comprising at least one first logic circuit and at least one first input register supplying the first logic circuit with a datum, the method comprising steps of introducing a random datum into each first input register of the first logic circuit and of the first logic circuit reading the random datum in each first input register, then of introducing a datum to be processed into each first input register, and of the first logic circuit processing the datum in each first input register.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.