Authors:
Tomohiro Kobayashi
1
;
Keiichi Iwamura
1
and
Masaki Inamura
2
Affiliations:
1
Graduate School of Engineering, Tokyo University of Science, 6-3-1 Niijuku, Katsushikaku, Tokyo, 125-8585, Japan
;
2
Graduate School of Engineering, Tokyo University of Science, 6-3-1 Niijuku, Katsushikaku, Tokyo, 125-8585, Japan, Center for Research and Collaboration, Tokyo Denki University, 5 Senju-Asahi-cho, Adachi-ku, Tokyo, 120-8551, Japan
Keyword(s):
Copyright Protection, Content Protection, Edit Control, Digital Signature, Proxy Signature, Billing.
Abstract:
In consumer-generated media (CGM), it is important to promote secure content circulation. Content circulation includes the editing of content, and it is desirable for content to become more abundant and varied. For copyright protection suitable for CGM, a technology (K. Koga et al., 2015, T. Fujimoto et al., 2016) has been proposed that controls editing using digital signatures. We propose a method in which the author can securely provide individual editing permissions for content that has been editing-prohibited. this method offers a way to securely buy and sell the right to edit content in exchange for money. Therefore, this method is applicable to commercial content circulation. It is possible to promote content circulation while protecting the rights of the author by using the proposed method, even in scenarios where content circulation is stagnant with conventional methods.