Data transfer method, data transfer apparatus, data transmission device, and data reception device
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United States of America Patent
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Oct 20, 2009
Grant Date -
Aug 19, 2004
app pub date -
Apr 23, 2002
filing date -
Apr 24, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A data transfer method, a data transfer apparatus, a data sending apparatus, and a data receiving apparatus for encrypting and transferring data and in particular, a data transfer method, a data transfer apparatus, a data sending apparatus and a data receiving apparatus capable of transferring data in safety. In a data transfer method for transferring data from a sender to a receiver, a calculation algorithm for encrypting the data supplied from the sender to the receiver is encrypted at the receiver and transmitted from the receiver to a sender.
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