Patent ID: 9536058
Date: 2017-01-03
CPC Classifications: G06F,H04L

Claim:
1. A method of managing digital copyright performed by an apparatus for managing digital copyright, the apparatus comprising a processor, an non-transitory, computer-readable recording medium and computer-readable codes stored in the computer-readable recording medium and executable by the processor, the method comprising: separating unit files, which are components of content in the form of a compressed archive including an electronic publication (EPUB) content, into the form of streams; generating encryption keys corresponding to the separated components, the separated components being encryption targets; encrypting the components in the form of streams with the generated encryption keys, wherein the encryption keys used for encryption are stored in an encryption key database together with identification information of the corresponding components; structuralizing the encrypted streams according to the structure of the EPUB standard when encryption of all the components of the EPUB content is completed; and storing the structuralized streams in a content database.