Secure processors having encoded instructions
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United States of America Patent
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May 10, 2011
Grant Date -
N/A
app pub date -
Aug 25, 2006
filing date -
Aug 25, 2006
priority date (Note) -
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Abstract
A processor includes an instruction fetcher, a decoder, and an instruction processor. The instruction fetcher retrieves encoded machine-language instructions. The encoded machine-language instructions are encoded according to a predetermined key assigned only to the processor. The predetermined key is independent of opcodes of the processor. The decoder decodes each of the encoded machine-language instructions according to the predetermined key. The instruction processor executes the decoded machine-language instructions.
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