Information technology. Specification of DRM technology for digital publications-Overview of copyright protection technologies in use in the publishing industry
信息技术 数字出版物数字版权管理技术规范
This document describes three types of copyright protection technologies in use in the publishing
industry:
— DRM free protection, i.e. technologies which does not rely on content encryption but rather use
content fingerprinting or watermarking, adequate for use cases where user convenience is the top
priority;— user key-based DRM protection, adequate where user constraints are limited;— device key-based DRM protection, adequate where the transfer of publications from one device to
another is severely constrained.All current amendments available at time of purchase are included with the purchase of this document.