E-fuses for storing security version data
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United States of America Patent
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Dec 2, 2008
Grant Date -
Jan 19, 2006
app pub date -
Jul 15, 2004
filing date -
Jul 15, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and devices that may be utilized in systems to dynamically update a security version parameter used to encrypt secure data are provided. The version may be maintained in persistent storage located on a device implementing the encryption, such as a system on a chip (SOC). The persistent storage does not require battery backing and, thus, the cost and complexity associated with conventional systems utilizing battery backed storage may be reduced.
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