Cryptographic method protected against covert channel type attacks
US7742595B2 · kind B2 · utility
3Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Mar 20, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2207/7261
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a cryptographic method secured against a covert channel attack. According to the invention, in order to carry out a selected block of instructions as a function of an input variable amongst N predefined instruction blocks, a common block is carried out on the predefined N instruction blocks, a predefined number of times, the predefined number being associated with the selected instruction block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.