Patent · US Active

Low-level code signing mechanism

US8301903B2 · kind B2 · utility

3Cited by

2References

17Claims

0Family size

Assignee

RESEARCH IN MOTION LIMITED · CA

Inventors

David Victor MacFarlane · Waterloo, CA
Michael K. Brown · Fergus, CA

Key dates

Filing date	Feb 27, 2009
Grant date	Oct 30, 2012
Priority date	—
Expiry date	Mar 30, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04L63/102
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Before an application is allowed to execute a secure function, code signing keys associated with the application are analyzed for correspondence with the class that contains the secure function as well as correspondence with the secure function. Optionally, code signing keys associated with the application are analyzed for correspondence with the input parameters to the function.

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