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/optee_os/core/arch/arm/plat-imx/registers/
H A Dimx6-dcp.h3fc5c287a8e601842a65bf745382521b345b258f Fri May 13 14:12:18 UTC 2022 Clement Faure <clement.faure@nxp.com> drivers: imx: dcp: disable the use of UNIQUE KEY after HUK generation

Disable the use of DCP unique key (0xfe in the DCP key selection) after
the HUK generation.
The DCP unique key is used to generate the HUK at boot time. Disabling
the use of the unique key prevents the non-secure world from
re-generating the HUK.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Tested-by: Ricardo Salveti <ricardo@foundries.io> (imx-mx6ullevk)
/optee_os/core/include/drivers/imx/
H A Ddcp.h3fc5c287a8e601842a65bf745382521b345b258f Fri May 13 14:12:18 UTC 2022 Clement Faure <clement.faure@nxp.com> drivers: imx: dcp: disable the use of UNIQUE KEY after HUK generation

Disable the use of DCP unique key (0xfe in the DCP key selection) after
the HUK generation.
The DCP unique key is used to generate the HUK at boot time. Disabling
the use of the unique key prevents the non-secure world from
re-generating the HUK.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Tested-by: Ricardo Salveti <ricardo@foundries.io> (imx-mx6ullevk)
/optee_os/core/drivers/imx/dcp/
H A Ddcp_huk.c3fc5c287a8e601842a65bf745382521b345b258f Fri May 13 14:12:18 UTC 2022 Clement Faure <clement.faure@nxp.com> drivers: imx: dcp: disable the use of UNIQUE KEY after HUK generation

Disable the use of DCP unique key (0xfe in the DCP key selection) after
the HUK generation.
The DCP unique key is used to generate the HUK at boot time. Disabling
the use of the unique key prevents the non-secure world from
re-generating the HUK.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Tested-by: Ricardo Salveti <ricardo@foundries.io> (imx-mx6ullevk)
H A Ddcp.c3fc5c287a8e601842a65bf745382521b345b258f Fri May 13 14:12:18 UTC 2022 Clement Faure <clement.faure@nxp.com> drivers: imx: dcp: disable the use of UNIQUE KEY after HUK generation

Disable the use of DCP unique key (0xfe in the DCP key selection) after
the HUK generation.
The DCP unique key is used to generate the HUK at boot time. Disabling
the use of the unique key prevents the non-secure world from
re-generating the HUK.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Tested-by: Ricardo Salveti <ricardo@foundries.io> (imx-mx6ullevk)