ISSUE OF LICENSIES FOR AUTONOMOUS USAGE OF PUBLICATION INSTRUMENTS IN RIGHTS CONTROLLING SYSTEM FOR DRM DIGITAL CONTENT

摘要

FIELD: information technology.;SUBSTANCE: publishing user is provided with the publication certificate from the DRM server, creates the content, ciphers it with the content key (CK), creates a rights mark for this content with open key of the DRM-server (PU-DRM), for generation (PU-DRM(CK)), restores (PU-ENTITY(PR-OLP)) from the publication certificate, applies secret key (PR-ENTITY) of the corresponding (PU-ENTITY) to the (PU-ENTITY(PR-OLP)) for obtaining (PR-OLP), sign the created rights mark using (PR-OLP), connects SRL and the publication certificate with encrypted content for creation a content package distributed to another user, that must connect with the DRM-server for obtaining a license with CK for playback of the content, creates the license data corresponding with the content package, with (CK), encrypted (PU-ENTITY) for generation of (PU-ENTITY(CK)), signs the license data using (PR-OLP) and attaches the publication certificate to the publication license.;EFFECT: possibility of the content publishing without initial receipt of permission from the server and license issuing for playback of the published content without permission from the server.;20 cl, 17 dwg