Integrated circuit with coded security signal, security process, corresponding security device and signal coded using a dynamic key
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United States of America Patent
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N/A
Issued Date -
Mar 9, 2006
app pub date -
Aug 10, 2005
filing date -
Sep 3, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An integrated circuit is provided, which comprises at least one security module, controlled by at least one security signal, the circuit being made at least partially inoperable if the security module receives at least one of the said security signal(s) with a predetermined value. Such a circuit comprises means for encoding the security signal using a dynamic key, receiving a static security signal and outputting a dynamic security signal, and means to transmit the dynamic key or at least one item of information representative of the dynamic key to the security module.
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