1 THE DYNAMIC CIPHERS – NEW CONCEPT OF LONG-TERM CONTENT PROTECTING

Abstract

ABSTRACT: In the paper the original concept of a new cipher, targeted at this moment for civil applications in technology (e.g. measurement and control systems) and business (e.g. content pro-tecting, knowledge-based companies or long-term archiving systems) is presented. The idea of the cipher is based on one-time pads and linear feedback shift registers. The rapidly changing hard-ware and software environment of cryptographic systems has been taken into account during the construction of the cipher. The main idea of this work is to create a cryptosystem that can protect content or data for a long time, even more than one hundred years. The proposed algorithm can also simulate a stream cipher which makes it possible to apply it in digital signal processing sys-tems such as those within audio and video delivery or telecommunication

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