Meanwhile, the downloaded epub and pdf files are encrypted with Readium LCP DRM. lcpl extension only can be opened with the Readium LCP cooperated apps and devices. Readium LCP DRM is an innovative rights management solution that operates on the basis of passphrases.
It is a modern rights management solution based on passphrases, providing support for various business models such as library lending and bookstore sales. It is a vendor-neutral, interoperable and distributed DRM solution, created and promoted by Readium members and managed by EDRLab. Q: What is Readium LCP DRM?Ī: LCP, an acronym for 'Licensed Content Protection,' represents a Digital Rights Management (DRM) technology that has been specifically developed by the publishing industry. acsm file, it is not a real content, but the link to download the real ebook content. lcpl file?Ī: The LCPL file serves as a Readium License Document, which is a component of Readium-an open-source reference system and rendering engine designed for EPUB publications.