Invention Grant
- Patent Title: Method and system for preventing unauthorized processor mode switches
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Application No.: US14590192Application Date: 2015-01-06
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Publication No.: US09483638B2Publication Date: 2016-11-01
- Inventor: Gregory R. Conti
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Michael K. Skrehot; Charles A. Brill; Frank D. Cimino
- Priority: EP05292787 20051223
- Main IPC: G06F21/52
- IPC: G06F21/52 ; G06F21/53 ; G06F21/56 ; G06F21/74 ; G06F21/81 ; H04L29/06
Abstract:
A system comprising a processor adapted to activate multiple security levels for the system and a monitoring device coupled to the processor and employing security rules pertaining to the multiple security levels. The monitoring device restricts usage of the system if the processor activates the security levels in a sequence contrary to the security rules.
Public/Granted literature
- US20150113642A1 METHOD AND SYSTEM FOR PREVENTING UNAUTHORIZED PROCESSOR MODE SWITCHES Public/Granted day:2015-04-23
Information query
