IMX RT RSA key usage

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IMX RT RSA key usage

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Contributor I

Is there anywhere describe about how many RSA key can be used in sign and verification and how to switch key current use?

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NXP TechSupport
NXP TechSupport

Hi Lin Liu, 

Did you how many keys actually can be used for the HAB process? If so, only one key can be used for this but its length may change. Once you program the key this cannot be undone by any means, this is because the key will be stored within the fuses of the RT and once you burn the fuse this cannot be undone. 

Have a great day,

Victor

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