Method and system for providing DRM license

摘要

A system for providing a digital rights management (DRM) license includes a license generation module generating a plurality of sub-rights tokens including binding information having path information that indicates relations among a plurality of principals in accordance with a request of a sink system; and an interface module providing the generated sub-rights tokens to a rights mediator that generates a main rights token usable in the sink system by combining the sub-rights tokens.