Sharing a Secret Element
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Dec 19, 2006
filing date -
Dec 20, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A secret element is shared with a cryptographic module. The secret element can be obtained from at least first and second partial secret information items. A first transmission transmits the first partial secret information item to the cryptographic module but not the first partial information item, this second transmission being separate from the first transmission. The secret element can then be obtained in the cryptographic module from the first and second partial secret information items transmitted.
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