Dynamic configuration of a secure processing unit for operations

Details Dynamic configuration of a secure processing unit for operations Dynamic configuration of a secure processing unit for operations

1996-03-28

1999-03-16

Biegel, Ronald

Cryptography

Cryptanalysis

380 52, H04L 900

Patent

active

058839569

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.

REFERENCES:
patent: 4621321 (1986-11-01), Boebert et al.
patent: 4701840 (1987-10-01), Boebert et al.
patent: 4771462 (1988-09-01), Hannan et al.
patent: 5164988 (1992-11-01), Matyas et al.
patent: 5533123 (1996-07-01), Force et al.

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