Commits
Ji Luo committed d4a0dbd9a46
[iot] Support authenticated unlock Add fastboot commands "fastboot oem at-get-vboot-unlock-challenge" and "fastboot oem at-unlock-vboot" to support the authenticated unlock feature for Android Things devices. Use software random numbers generator to generate the 16 bytes random challenge, it should be replaced with hardware encrypted random generator when the TEE part is ready. Test: Generate unlock challenge by: ./avbtool make_atx_unlock_credential --output=atx_unlock_credential.bin --intermediate_key_certificate=atx_pik_certificate.bin --unlock_key_certificate=atx_puk_certificate.bin --challenge=my_generated_challenge.bin --unlock_key=testkey_atx_puk.pem validated the unlock credential successfully on imx7d_pico and AIY. Change-Id: I4b8cee87c9e96924169479b65020a081136681f6 Signed-off-by: Ji Luo <ji.luo@nxp.com>