Data transfer system, data transfer program and video server...

Details Data transfer system, data transfer program and video server... Data transfer system, data transfer program and video server...

2004-10-19

2008-12-16

Zand, Kambiz (Department: 2139)

Information security

Prevention of unauthorized use of data including prevention...

C726S027000, C726S031000

Reexamination Certificate

active

07467412

ABSTRACT:
A data transfer system transfers original data from a first data storage device to a second data storage device. The transfer system includes a compressor, an encryptor, and a controller. The compressor receives the original data from the first data storage device, generates compressed data of a smaller size, and passes the compressed data to the second data storage device. The encryptor makes a predetermined cryptographic key and passes the key to the second data storage device. The encryptor also receives the original data from the first data storage device, encrypts the original data with the cryptographic key and then sends the encrypted data back to the first data storage device. The controller controls the compressor and the encryptor and gives the first data storage device a first erase instruction, telling the first data storage device to erase the original data, in accordance with a first transfer command.

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