ESTABLISHING UNIQUE KEY DURING CHIP MANUFACTURING
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United States of America Patent
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N/A
Issued Date -
Jan 16, 2014
app pub date -
Mar 7, 2012
filing date -
Mar 30, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and systems related to producing chips with the uniqueness property are disclosed. A random bit vector is generated using a hardware random number generator on the chip or “on the fly” as a hardware component is being produced. The generated random bit vector is stored in a one-time programmable memory of the chip. A value is derived in the chip from the random bit vector programmed in the one-time programmable memory of the chip. The derived value is exported to an external receiving module communicably connected to the chip to enable a security application provider to encrypt a message that is decryptable by the chip using a key based on the random bit vector programmed in the one-time programmable memory of the chip.
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