Patent ID: 7653939
Filing Date: 2010-01-26
Classification: G06F,G11B

Abstract:
1. A data processing system, comprising: a data processing apparatus for receiving data from or delivering data to a storage device, the storage device being external to said data processing apparatus and including a memory, the data received from the external storage device being reproduced from the memory of the external storage device and the data delivered to the external storage device being recorded in the memory of the external storage device, the receiving or delivering ordinarily being carried out on condition that mutual authentication between said data processing apparatus and the external storage device is successful; and a memory stick loaded in the data processing apparatus and operable to execute mutual authentication; the data processing apparatus including: the data processing apparatus being operable to receive the data from the external storage device or to deliver the data to the external storage device when the mutual authentication between said mutual authentication unit and said memory stick is successful.