摘要:
A method and apparatus for copying or moving a rights object having right information regarding digital contents between a device and a portable storage device to copy or move the digital contents there between are provided. According to the method and apparatus, the digital works can be prevented from being recklessly and randomly copied and moved, and therefore, copyright can be protected. In addition, data loss or unauthorized access can be prevented.
摘要:
A method of playing back content based on digital rights management (DRM) between a portable storage and a device and a portable storage for the same are provided. The method of playing back content using a portable storage includes requesting the portable storage to transmit a right to play back content protected through digital rights management (DRM), receiving the right to play back the content protected through DRM from the portable storage, and informing the portable storage of completion of the playback when a playback of the content protected through DRM using the right is completed.
摘要:
A method and apparatus for copying or moving a rights object having right information regarding digital contents between a device and a portable storage device to copy or move the digital contents there between are provided. According to the method and apparatus, the digital works can be prevented from being recklessly and randomly copied and moved, and therefore, copyright can be protected. In addition, data loss or unauthorized access can be prevented.
摘要:
A method of playing back content based on digital rights management (DRM) between a portable storage and a device and a portable storage for the same are provided. The method of playing back content using a portable storage includes requesting the portable storage to transmit a right to play back content protected through digital rights management (DRM), receiving the right to play back the content protected through DRM from the portable storage, and informing the portable storage of completion of the playback when a playback of the content protected through DRM using the right is completed.
摘要:
A method and apparatus for acquiring and removing information regarding a digital rights object are provided. The method for acquiring removing information regarding a digital rights object includes receiving a request for data on a rights object from a device, processing the data on the rights object in response to the request, and providing the processed data to the device. The method of removing a digital rights object includes selecting information regarding a rights object to be removed, encrypting the selected information regarding the rights object using a common encryption key, embedding the encrypted information regarding the rights object into a signal to be transmitted to a portable storage device, and transmitting the signal to the portable storage device. A device requests information regarding a rights object from a portable storage device, receives the information regarding the rights object from the portable storage device, and removes an unnecessary rights object.
摘要:
A digital rights management method includes a stage for a device to update a Certificate Revocation List of the device through a connection to a portable storage, a stage to access to the updated Certificate Revocation List so as to judge the effectiveness of a certificate of the portable storage, and a stage to maintain communication with the portable storage, if the judgment proves the effectiveness of the portable storage.
摘要:
A method of playing back content based on digital rights management (DRM) between a portable storage and a device and a portable storage for the same are provided. The method includes requesting the portable storage to set a playback right for content protected through DRM, receiving an encrypted playback right for the content protected through DRM from the portable storage, and decrypting the encrypted playback right and playing back the content protected through DRM using the decrypted playback right.
摘要:
A method of playing back content based on digital rights management (DRM) between a portable storage and a device and a portable storage for the same are provided. The method includes requesting the portable storage to set a playback right for content protected through DRM, receiving an encrypted playback right for the content protected through DRM from the portable storage, and decrypting the encrypted playback right and playing back the content protected through DRM using the decrypted playback right.
摘要:
A digital rights management (DRM) structure, a portable storage device, and a contents management method using the portable storage device are provided to facilitate the move of a rights object or encrypted content. The digital rights management structure includes a security section comprising private key information and cryptographic method which are needed to decrypt information that has been encrypted by a host device, a restriction section comprising authentication information needed for authentication with the host device and rights object information regarding content, and a data section comprising encrypted content which the host device attempts accessing.
摘要:
An apparatus and method for operating many applications between a portable storage device and a digital device are provided. The method includes opening at least two logical channels from the digital device to the portable storage device through a physical channel, transmitting and receiving data between a plurality of applications of the digital device and a plurality of applications of the portable storage device through the opened logical channels, and closing the logical channels after finishing the transmitting and receiving of the data.