Clement Faure 56d2050f40
imx8m: Add DEK blob encapsulation for imx8m ...
Add DEK blob encapsulation support for IMX8M through "dek_blob" command.
On ARMv8, u-boot runs in non-secure, thus cannot encapsulate a DEK blob
for encrypted boot.
The DEK blob is encapsulated by OP-TEE through a trusted application call.
U-boot sends and receives the DEK and the DEK blob binaries through OP-TEE
dynamic shared memory.
To enable the DEK blob encapsulation, add to the defconfig:
CONFIG_SECURE_BOOT=y
CONFIG_FAT_WRITE=y
CONFIG_CMD_DEKBLOB=y
Signed-off-by: Clement Faure <clement.faure@nxp.com >
Reviewed-by: Ye Li <ye.li@nxp.com >
Signed-off-by: Peng Fan <peng.fan@nxp.com >
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