METHOD FOR PROVIDING DATA TO A PERSONAL PORTABLE DEVICE VIA NETWORK AND A SYSTEM THEREOF

摘要

Disclosed are a method and a system for synchronizing and providing data requiring digital rights protection, to a portable device, wherein a contents providing server is connected with a contents synchronization server to which the portable device is connected.

主权项

1. A method for providing data to a portable device via a network, comprising the steps of:
maintaining a user information database for recording user authentication information or user contents information, the user authentication information includes at least one among a user identification, a password, and the user's portable device identification, and the portable device identification has unique value; receiving encrypted contents the data or a predetermined decryption module from a predetermined contents providing server, the decryption module is a module that decrypts the encrypted contents data corresponding to an encryption manner of the contents providing server; controlling an access to a predetermined decryption module; decrypting the encrypted contents the data through the accessed decryption module; receiving user authentication information or contents transmission request information from a predetermined portable device, the contents transmission request information includes predetermined user information and contents information that a user requested; authenticating a user corresponding to the user authentication information with reference to the user information database; searching contents detail information corresponding to the contents transmission request information from the user information database; adding decrypted contents file data corresponding to the contents detail information to the user authentication information and encrypting the adding result; transmitting the encrypted contents file data to the portable device; and updating the contents detail information recorded in the user information database corresponding to the transmitted contents the data.