Hardware security module with means to selectively activate or inhibit debugging and corresponding debugging method
US9323646B2 · kind B2 · utility
1Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2011 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Oct 30, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/3648
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to the field of debugging of compiled programs in a hardware security module such as a microprocessor card. A module according to the invention includes a microprocessor and a compiled program to be executed by the microprocessor in order to carry out an operation. The compiled program includes at least one debugging instruction which whether or not it is executed does not modify the execution of the operation. And, the hardware security module includes an element of inhibiting or activating the debugging instruction during the execution of the compiled program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.