Methods and apparatus for preventing unauthorized write access t

Details Methods and apparatus for preventing unauthorized write access t Methods and apparatus for preventing unauthorized write access t

1996-02-09

1998-11-10

Tarcza, Thomas H.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

25 4, H04L 900

Patent

active

058355944

ABSTRACT:
An electronic signature is generated in a predetermined manner and attached to a transferable unit of write data, to facilitate authenticating the write data before allowing the write data to be written into a protected non-volatile storage. The write data is authenticated using a collection of secured authentication functions. Additionally, the actual writing of the authenticated write data into the protected non-volatile storage is performed by a secured copy utility.

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patent: 5465299 (1995-11-01), Matsumoto et al.
patent: 5479509 (1995-12-01), Ugon
PCT International Search Report for International Application No. PCT/US97/01965, dated Jun. 9, 1997.

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