Programming on-chip non-volatile memory in a secure processor using a sequence number
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Jan 26, 2017
filing date -
Nov 9, 2006
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Abstract
A method may be executed by a secure processor having secure cryptography hardware implemented thereon. The method may be executed in a security kernel of a secure on-chip non-volatile (NV) memory coupled to the secure processor. The method may include: storing a rewritable state and a device private key based at least in part on a programmed secret seed and the rewritable state, the device private key being part of a cryptographic key pair comprising a public key associated with the device private key, and the rewritable state being a state of a secure application encrypted with the public key; providing one or more instructions to gather the device private key and from the private key datastore; and using the device private key to generate a device certificate, the device certificate providing the device with access to the secure application.
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