Patent ID: 7733512
Filing Date: 2010-06-08
Classification: G06F,H04L

Abstract:
1. A data processing system in which a data processing device, a first information processing device and a second information processing device are mutually connected through a network, wherein said data processing device comprises said first information processing device comprises said second information processing device comprises wherein said first information processing device comprises an access control data transmission unit configured to transmit to said second information processing device the access control data and the encrypted signature data, according to the request for the access control data transmitted from said second information processing device, in a case where the encrypted signature data is added to the print data received from said second information processing device, said decryption unit decrypts the encrypted signature data by using the public key to verify the signature data, and in a case where the signature data after the encrypted signature data was decrypted is appropriate data, said print unit prints the print data.