Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andre′ DeHon0
Catalin Hritcu0
Eli Boling0
Date of Patent
March 19, 2019
0Patent Application Number
151686890
Date Filed
May 31, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Techniques are described for metadata processing that can be used to encode an arbitrary number of security policies for code running on a processor. Metadata may be added to every word in the system and a metadata processing unit may be used that works in parallel with data flow to enforce an arbitrary set of policies. In one aspect, the metadata may be characterized as unbounded and software programmable to be applicable to a wide range of metadata processing policies. Techniques and policies have a wide range of uses including, for example, safety, security, and synchronization. Additionally, described are aspects and techniques in connection with metadata processing in an embodiment based on the RISC-V architecture.
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