Dynamic configuration of a secure processing unit for operations in various environments
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United States of America Patent
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Mar 16, 1999
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N/A
app pub date -
Mar 28, 1996
filing date -
Mar 28, 1996
priority date (Note) -
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Abstract
A technique to dynamically configure a Secure Processing Unit (SPU) chip in a secure manner using a capability table, which defines the functions that an SPU can perform. The capability table employs a digital signature to ensure the authenticity of the source and contents of the table. It also contains information which identifies the SPU for which the table is intended and a time-stamp indicating the time by which the table must be loaded into an SPU.
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