Encryption method, communication system, transmission device, and data input device
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United States of America Patent
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Apr 1, 2008
Grant Date -
Feb 27, 2003
app pub date -
Jun 20, 2002
filing date -
Aug 24, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An encryption method includes the steps of (a) generating random data including a first part and a second part, the first part specifying an operation to be performed on plain text data and the second part being used in the operation, (b) performing the specified operation on the plain text data using the second part of the random data, and (c) transmitting a result of the operation together with the random data.
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