Patent ID: 7484246
Filing Date: 2009-01-27
Classification: G06F,G11B,H04L,H04N

Abstract:
1. A content distribution system for performing content transaction management utilizing an encrypted data packet in the form of a secure container, comprising: a content provider which generates the secure container including a first section and a second section, and a plurality of user devices configured to receive the secure container from the content provider, wherein, the secure container contains a content encrypted by a content key and container information including conditions relating to a transaction of the content, the first section of the secure container contains information relating to transmitting said secure container to the plurality of user devices, the second section of the secure container includes a person identification certificate (IDC) and an IDC identifier list to authenticate a user when said secure container is transmitted to said plurality of user devices, the IDC includes a biometric information template encrypted in one of a plurality of manners which is identifiable in the IDC identifier list, one of the user devices is a secure container distributing device which (1) receives a primary distribution including the secure container from the content provider and verifies the authenticity of the secure container, (2) decrypts and extracts the encrypted biometric information template stored in the IDC, and (3) is configured to compare sampling information input by a user of a receiving device which is one of the user devices with the decrypted biometric information template to authenticate the user of the receiving device, the secure container distributing device initiates a secondary distribution after the primary distribution by sending the content key to the receiving device, and the receiving device decrypts and copies the content sent from said secure container distributing device, after the user of the receiving device is authenticated.