JCIPRNET
Secure protection processor and method including comparing an instruction security attribute of an instruction and a security attribute of an operational event
A secure protection method executed by a processor is provided. The secure protection method includes the following steps: Perform a security checking before or after executing an instruction according to an instruction security attribute (ISA) of the instruction and a security attribute (SA) of an operational event (OE); and ignore the OE, defer the OE, or raise a security exception when the security checking fails. The OE is generated as a side effect when the processor fetches or executes the instruction, or generated as a monitoring result on the instruction, or generated in response to an external input of the processor.
ANDES TECHNOLOGY CORPORATION
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additional inventional inventional inventional inventional inventional
Chi-Chang Chuan-Hua
Lai Chang