Apparatus and method for runtime integrity verification

A processor-based system, comprising:

• at least one processor;
• a system management memory coupled to the at least one processor;
• a chipset including a manageability engine coupled to the at least one processor and the system management memory;
• and
• code which is executable by the processor-based system to cause the manageability engine of the chipset to validate a contents of the system management memory during a runtime of the processor-based system.

A method of performing runtime integrity verification for a processor-based system, comprising:

• generating integrity information for a code block upon restart of the processor-based system;
• securely storing the integrity information;
• and
• validating an integrity of the code block during runtime using the securely stored integrity information.

A method of performing runtime integrity verification for a processor-based system, comprising:

• generating integrity information for the contents of a system management memory upon a restart of the processor-based system;
• transferring the integrity information to a manageability engine chipset of the processor-based system;
• securely storing the integrity information in a location accessible by the manageability engine;
• and
• validating a contents of the system management memory with the manageability engine during a runtime of the processor-based system using the securely stored integrity information.