오프라인에서 전자북의 저작권 보호방법

Protecting the Copyright for E-book in Off-line

The Presentation and dissemination of information by digital media has created e-book service which is new type of information model. However, the e-book service has difficulties in protecting copy right because it is easy to copy and distribute digital contents due to their characteristics. In this paper, in order to protect the copyright in the e-book service, Isuggest one-pass secret key for reproducing contents. The contents reproduced by using one-pass secret key are easy in protecting copyright also in off-line because the encrypted contents are always uniquely reserved.