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Proceedings Paper

Exploiting modulation-code redundancy
Author(s): Josh N. Hogan
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Paper Abstract

Redundancy in modulation coding schemes for optical storage can be exploited for copy protection purposes. Two examples are given. One is a method of storing encryption key data in a manner that will not be transferred in byte by byte copying. The other makes a copy that is likely to be error prone.

Paper Details

Date Published: 30 July 1997
PDF: 7 pages
Proc. SPIE 3109, Optical Data Storage 1997 Topical Meeting, (30 July 1997); doi: 10.1117/12.280675
Show Author Affiliations
Josh N. Hogan, Hewlett-Packard Co. (United States)

Published in SPIE Proceedings Vol. 3109:
Optical Data Storage 1997 Topical Meeting
Henryk Birecki; James Z. Kwiecien, Editor(s)

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