摘要:
Provided are a digital rights management (DRM) method and apparatus, and more particularly, a DRM method and apparatus which can support different DRMs and use various digital content. The DRM method includes receiving a hello message request from a host device; comparing information included in the hello message request to information stored in advance; generating an error code when the hello message request contains unsupported information; and generating a hello message response that contains the error code.
摘要:
Provided are a method and apparatus for creating and applying a secure file identifier of a rights object by using random numbers. The apparatus includes a secure-file-identifier generating unit which creates the secure file identifier by generating a random number and combining the random number with a hash value corresponding to a rights object identifier of the file identifier list; a transmitting unit which transmits the secure file identifier to the storage device; and a receiving unit which receives a secure file identifier list for identifying the rights object from a storage device.
摘要:
An apparatus and method are provided for securely managing security data between a host device and a secure multimedia card. A host device includes an access mode setting unit which sets an access mode for security data that is stored in a secure multimedia card, a transmitting and receiving unit which transmits an access request message that includes the set access mode, and an access information managing unit which receives, if connection between the host device and the secure multimedia card is separated, access information stored in the secure multimedia card, and compares the access information.
摘要:
Disclosed are a method and apparatus for efficiently providing a location of a contents encryption key. A method of efficiently providing a location of a contents encryption key according to an embodiment of the present invention includes generating metadata containing information regarding a location of a contents encryption key in a rights object, and setting the generated metadata and the rights object in a portable storage device.
摘要:
A method and apparatus for searching a rights object and a mapping method and mapping apparatus for the same are provided. The apparatus for searching a rights object includes a transmitting/receiving unit which transmits at least one from a rights object identifier, content identifier list and a rights object to a portable storage device, and a searching unit which searches, from mapping information located in the portable storage device stored with the rights object identifier mapped with the content identifier from the content identifier list, the rights object identifier corresponding to the content identifier by using the content identifier as a search key, and retrieves the rights object stored in a rights slot corresponding to the searched rights object identifier.
摘要:
A method of transferring a rights object (RO) and an electronic device are provided. The method includes generating a secure RO by encrypting an RO including usage rights information regarding digital content and transferring the secure RO from a first device to a second device.
摘要:
An apparatus and a method are provided for verifying an online certificate for an offline device. The apparatus includes a nonce generation unit which generates a nonce and a certificate verification request message that requests verification of a certificate on a target online device subject to authentication, wherein the certificate verification request message includes the generated nonce; a transmitting and receiving unit which transmits the certificate verification request to an online device and receives an online certificate status protocol (OCSP) response message from the online device; and a certificate verification result determination unit which extracts a nonce from the OCSP response and compares the extracted nonce with the nonce generated by the nonce generation unit to determine whether the OCSP response is reliable.
摘要:
An apparatus and method for managing a rights object by backing up and restoring the rights object between a host device and a multimedia card are provided. The apparatus includes an input unit that receives an order signal from a user, a rights-object-managing unit that determines whether the rights object can be backed up and restored based on rights object information when the order signal is input, and backs up and restores the rights object according to a result of the determination, and an information-managing unit that manages information related to movement and removal of the rights object and information on the backed up and restored rights object.
摘要:
A web server for supporting a collaborative animation production service. The web server includes a user interface (UI) unit to provide a UI to receive direction data for each scene required for animation production in parallel to users connected to the web server, and a generating unit to combine the direction data input to the UI for each scene and generate an animation corresponding to the combined direction data. A plurality of users thereby collaborate to produce an animation in real time, making it possible to shorten the production time of the animation and produce a high quality animation.
摘要:
A method of displaying power consumption by receiving information regarding Real Time Pricing (RTP) in which a power rate varies according to time; receiving power consumption amounts; and displaying predetermined visual displaying means based on the RTP information and the received power consumption amounts.