Cryptographic authentication for telemetry with an implantable medical device
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United States of America Patent
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Jun 5, 2007
Grant Date -
Sep 15, 2005
app pub date -
Mar 15, 2004
filing date -
Mar 15, 2004
priority date (Note) -
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Abstract
Integrity of a wirelessly telemetered message communicated between an implantable medical device and an external programmer is authenticated by encoding the message. The message is encrypted based on a random number or time stamp and a secret key. The message is authenticated by encryption and decryption or by executing a hash function.
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