| 摘要 |
PROBLEM TO BE SOLVED: To enable a user having a device used in a mobile environment such as a notebook PC and a mobile terminal to access content at home from a place such as a travel destination and a commuter train.SOLUTION: A content receiver (hereinafter referred to as a receiver) which accesses a content transmitter (hereinafter referred to as a transmitter) in a house from outside of the house, in advance in the home, determines a secure communication path mode established with a router, performs registration processing needed at the time of a first authentication processing with the transmitter and access from outside, and has information on the receiver and the outdoor access information registered with the device information table of the transmitter. When a user accesses the transmitter at home by the receiver brought outside, the transmitter can transmits content to the receiver only when information on the receiver is registered with the device information table of the transmitter and a second authentication processing using the outdoor access information between the devices is successful. |
