Data security apparatus and method

Details Data security apparatus and method Data security apparatus and method

1995-02-23

1997-09-16

Beausoliel, Jr., Robert W.

Cryptography

Key management

Having particular key generator

380 23, 463 29, G06F 1134

Patent

active

056689454

ABSTRACT:
A data security apparatus and method permits programmed data stored in a replaceable external storage medium to be processed by the data processor when it is determined that a security code is stored on the external storage medium and a replacement second external storage medium is available. The data can then be transferred under a controlled process without performing a security check on the second external storage medium. A hardware security apparatus can therefore be disabled to permit authorized game developers to test their games on an actual game system.

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patent: 5191611 (1993-03-01), Lang
patent: 5371792 (1994-12-01), Asai et al.
patent: 5400319 (1995-03-01), Fite et al.
patent: 5460374 (1995-10-01), Owaki
patent: 5479612 (1995-12-01), Kenton et al.
patent: 5490216 (1996-02-01), Richardson, III

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