Securing a storage element for a binary datum, control register and chip card
US9003520B2 · kind B2 · utility
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4References
11Claims
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Key dates
| Filing date | Aug 25, 2011 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Oct 23, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/003
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Securing a storage element for a binary datum, control register and chip card. This element (60) for storing a binary datum (D) inputs a signal representative of said binary datum, said storage to be carried out when an enable signal (ENA) is at a first predetermined level, supplies an output signal (Q) the state whereof represents the datum stored in said storage element (10), and detects an attack aimed at said enable signal (ENA) or at a signal internal to said storage element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.