Data protection

Details Data protection Data protection

2001-09-19

2008-09-09

Sheikh, Ayaz (Department: 2131)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S169000, C713S170000, C713S194000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C726S018000, C726S030000, C714S005110

Reexamination Certificate

active

07424621

ABSTRACT:
A data storage tape4has an associated memory device3in which is stored a number of signatures12each representative of and associated with a particular data set recorded on the storage medium. By comparing the signatures against either signatures created during reading of the data sets back from the tape or against reference information held on a secure database any tampering or alteration of the data on the storage medium can be detected.

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patent: 0884730 (1998-12-01), None
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patent: WO 93/14501 (1993-07-01), None
“The Art of Data Recording”; J Watkinson; published (1994); Focal Press, pp. 381-383.

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