Cryptology for digital TV broadcasting
- 1 June 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 83 (6), 944-957
- https://doi.org/10.1109/5.387094
Abstract
Digital TV broadcasting needs new cryptological tools for conditional access, copyright protection and image authentication. The aim of this paper is to overview the corresponding systems' features. The description of a conditional access system is given. It is shown that equitable systems need the use of a Trusted Third Party. The design of efficient copyright protection by watermarking images and image authentication by signatures are also briefly discussedKeywords
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