Method and device for data encryption in programming of control units
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United States of America Patent
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N/A
Issued Date -
Nov 21, 2002
app pub date -
Mar 4, 2002
filing date -
Mar 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and a device for data encryption in programming of control units is described. In this method, the data to be transmitted is encrypted byte by byte with a first key in a programming unit and then transmitted to a control unit via a data line. Then the data is decrypted in the control unit by using a second key which is provided in the control unit.
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