摘要:
A method, apparatus, and system for protecting personal information are provided. The personal-information-protecting apparatus is a device for protecting personal information using a pseudonym, and includes a pseudonym-generating unit that generates a pseudonym, a pseudo-public key corresponding to the pseudonym, and a pseudo-secret key, and a verifying unit that verifies that the pseudonym included in a rights object is identical to one of the generated pseudonyms. The device stores and manages metering data and billing information. The system includes a device, a rights issuer, and at least one of a pseudonym credential issuer and a paying center.
摘要:
A method and apparatus for temporarily using Digital Rights Management (DRM) contents is provided. The method includes receiving a rights object having information required for using the contents, converting the rights object into a first temporary rights object and a second temporary rights object for a temporary use of the contents, and transmitting the first temporary rights object and the second temporary rights object to an unauthorized device. The first temporary rights object and the second temporary rights object are the rights objects that allow using the contents for a predetermined time.
摘要:
Provided are a method and apparatus for generating a rights object by means of the delegation of authority. The method includes performing authentication with a rights issuer; receiving a first rights object from the rights issuer; receiving authorization signature information from the rights issuer; converting the first rights object into a second rights object by using the authorization signature information; and transmitting the second rights object to an unauthorized device.
摘要:
A method of using digital rights management (DRM) content while roaming is provided. The method includes issuing disposable authentication information to a mobile device; receiving a request for remote authentication along with the authentication information from an unauthorized device included in a remote domain; transmitting a query for the remote authentication to the unauthorized device; receiving a response to the query; and transmitting data approving authentication of the unauthorized device to the unauthorized device.
摘要:
An apparatus and method is provided for digital rights management. The method for digital rights management includes receiving encrypted content and a rights object representing use rights of the encrypted content, receiving a software module managing the rights object, and generating a new rights object using the software module.
摘要:
An apparatus and method is provided for digital rights management. The method for digital rights management includes receiving encrypted content and a rights object representing use rights of the encrypted content, receiving a software module managing the rights object, and generating a new rights object using the software module.
摘要:
A method of enabling roaming of a rights object in a digital rights management (DRM) system is provided. The method includes issuing disposable authentication information to a mobile device, receiving a request for a remote authentication as well as the authentication information from an unauthorized device, transmitting a query required for the remote authentication to the unauthorized device, receiving a response to the query from the unauthorized device, and transmitting data that approves of the authentication of the unauthorized device to the unauthorized device.
摘要:
A method and apparatus for temporarily using Digital Rights Management (DRM) contents is provided. The method includes receiving a rights object having information required for using the contents, converting the rights object into a first temporary rights object and a second temporary rights object such that the contents are temporarily used, and transmitting the first temporary rights object and the second temporary rights object to an unauthorized device. The first temporary rights object and the second temporary rights object are rights objects that use the contents for a predetermined time.