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SECURE PROTECTION METHOD AND PROCESSOR

  • US 20150020211A1
  • Filed: 07/09/2013
  • Published: 01/15/2015
  • Est. Priority Date: 07/09/2013
  • Status: Active Grant
First Claim
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1. A secure protection method, executed by a processor, comprising:

  • performing a first security checking before or after executing a first instruction according to an instruction security attribute (ISA) of the first instruction and a security attribute (SA) of an operational event (OE), wherein the OE is generated as a side effect when the processor fetches or executes the first instruction, or generated as a monitoring result on the first instruction, or generated in response to an external input of the processor; and

    ignoring the OE, deferring the OE, or raising a security exception when the first security checking fails.

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