Security of program executables and microprocessors based on compiler-architecture interaction
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United States of America Patent
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Feb 22, 2011
Grant Date -
May 19, 2005
app pub date -
Nov 12, 2004
filing date -
Nov 12, 2004
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A method, for use in a processor context, wherein instructions in a program executable are encoded with plural instruction set encodings. A method wherein a control instruction encoded with an instruction set encoding contains information about decoding of an instruction that is encoded with another instruction set encoding scheme. A method wherein instruction set encodings are randomly generated at compile time. A processor framework wherein an instruction is decoded during execution with the help of information provided by a previously decoded control instruction.
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