CONTENTS PROTECTION PROVIDING METHOD AND PROTECTED CONTENTS CONSUMING METHOD AND APPARATUS THEREOF

摘要

Provided are a contents protection providing method, a protected contents consuming method and an apparatus thereof. The contents protection providing method includes: creating an encrypted stream with encrypted data; creating a key stream including key information for decrypting the encrypted data; creating reference information for connecting the key information to the encrypted data corresponding to the key information; and transmitting the encrypted stream, key stream, and reference information to a terminal.