i.MX7 has an a protection feature for Manufacturing process.
This feature uses assymetric encryption to sign and verify
authenticated software handled between parties. This command
enables the use of such feature.
The private key is unique and generated once per device.
And it is stored in secure
> diff --git a/drivers/crypto/fsl/Makefile b/drivers/crypto/fsl/Makefile index
> fd736cf..6d6903b 100644
> --- a/drivers/crypto/fsl/Makefile
> +++ b/drivers/crypto/fsl/Makefile
> @@ -8,3 +8,7 @@ obj-y += sec.o
> obj-$(CONFIG_FSL_CAAM) += jr.o fsl_hash.o jobdesc.o error.o
> obj-$(CONFIG_CMD_BLOB)$
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