Secure memory and processing system having laser-scribed...

Details Secure memory and processing system having laser-scribed... Secure memory and processing system having laser-scribed...

2006-09-05

2006-09-05

Barrón, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Tamper resistant

C713S193000, C726S003000, C726S026000, C380S201000, C380S203000

Reexamination Certificate

active

07103782

ABSTRACT:
A secure memory and processing system is disclosed for use in various types of communication devices. The secure processing system provides for the encryption and storage of sensitive data in a storage medium external to the secure processing system. The encrypted data is decrypted with encryption logic circuitry within the secure memory and transferred to a zeroizable memory for use by a host processor. The secure memory uses a laser-scribed encryption key coupled to encryption logic circuitry within the secure memory for encrypting and decrypting the sensitive information.

REFERENCES:
patent: 5237609 (1993-08-01), Kimura
patent: 5442704 (1995-08-01), Holtey
patent: 5732245 (1998-03-01), Lee et al.
patent: 5954817 (1999-09-01), Janssen et al.
patent: 6385727 (2002-05-01), Cassagnol et al.

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