Method and device for protecting stored data

Details Method and device for protecting stored data Method and device for protecting stored data

1996-11-18

1999-03-09

Cain, David

Cryptography

Cryptanalysis

380 23, H04L 900

Patent

active

058811524

ABSTRACT:
Generic information storage devices (magnetic, optical, biological/organic devices) are well-suited for storing, processing, archiving or transporting large amounts of information; they can, however, only be secured against unauthorized access using cryptographic methods. Undetected physical copying and manipulation of the information remains, however, possible. Disclosed is a process and device for combining non-intelligent generic information storage devices with intelligent storage devices and linking their information. The process compresses the stored data from a generic storage device and counts a signature count of the stored data. An ID is then provided to the stored data from a permanently assigned intelligent programmable memory chip. At least part of the compressed data is encrypted using an asymmetric key and transferred to a memory area of the permanently assigned intelligent programmable memory chip.

REFERENCES:
patent: 5651064 (1997-07-01), Newell

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