Data storage device

Details Data storage device Data storage device

1994-02-28

1996-10-08

Cangialosi, Salvatore

Cryptography

Cryptanalysis

380 25, 380 49, H04L 900

Patent

active

055639453

ABSTRACT:
A data storage device (9) comprises an array of electronic memory locations (20) for storing data. An address input terminal (10) provides coupling to an address source and is coupled to provide first address signals from the address source to address the memory locations of the array (20). A data output terminal (12) provides coupling to a data reception arrangement and is connected to the array (20) for receiving data signals therefrom in response to the address signals. The data signals are indicative of the data stored in the memory locations addressed by the address signals. An address encryption arrangement (14) is coupled between the address input terminal (10) and the array (20) for encrypting the first address signals. The address encryption arrangement (14) contains encrypting data which is protected from direct optical determination, the encrypting data being used to encrypt the first address signals.

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patent: 5325430 (1994-06-01), Smyth et al.
patent: 5455862 (1995-10-01), Hoskinson

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