Instruction set for message scheduling of SHA256 algorithm
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United States of America Patent
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Sep 16, 2014
Grant Date -
Apr 3, 2014
app pub date -
Sep 28, 2012
filing date -
Sep 28, 2012
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Abstract
A processor includes a first execution unit to receive and execute a first instruction to process a first part of secure hash algorithm 256 (SHA256) message scheduling operations, the first instruction having a first operand associated with a first storage location to store a first set of message inputs and a second operand associated with a second storage location to store a second set of message inputs. The processor further includes a second execution unit to receive and execute a second instruction to process a second part of the SHA256 message scheduling operations, the second instruction having a third operand associated with a third storage location to store an intermediate result of the first part and a third set of message inputs and a fourth operand associated with a fourth storage location to store a fourth set of message inputs.
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