55 lines
2.5 KiB
Plaintext
55 lines
2.5 KiB
Plaintext
# Adds TrustFence configuration
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#
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# To use it add the following line to conf/local.conf:
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#
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# INHERIT += "trustfence"
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#
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# Inheriting this class enables the following default TrustFence configuration:
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#
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# * Disabled console
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#
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# Default secure console configuration
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TRUSTFENCE_CONSOLE_DISABLE ?= "1"
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# Uncomment to enable the console with the specified passphrase
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#TRUSTFENCE_CONSOLE_PASSPHRASE_ENABLE = "my_secure_passphrase"
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# Alternatively, uncommment to enable the console with the specified GPIO
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#TRUSTFENCE_CONSOLE_GPIO_ENABLE = "4"
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IMAGE_FEATURES += "dey-trustfence"
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UBOOT_EXTRA_CONF = ""
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python () {
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import hashlib
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# Secure console configuration
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if (d.getVar("TRUSTFENCE_CONSOLE_DISABLE", True) == "1"):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_CONSOLE_DISABLE=y ")
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if d.getVar("TRUSTFENCE_CONSOLE_PASSPHRASE_ENABLE", True):
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passphrase_hash = hashlib.sha256(d.getVar("TRUSTFENCE_CONSOLE_PASSPHRASE_ENABLE")).hexdigest()
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d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_CONSOLE_ENABLE_PASSPHRASE=y CONFIG_CONSOLE_ENABLE_PASSPHRASE_KEY=\\"%s\\" ' % passphrase_hash)
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elif d.getVar("TRUSTFENCE_CONSOLE_GPIO_ENABLE", True):
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d.appendVar("UBOOT_EXTRA_CONF", " CONFIG_CONSOLE_ENABLE_GPIO=y CONFIG_CCIMX6SBC_CONSOLE_ENABLE_GPIO_NR=%s " % d.getVar("TRUSTFENCE_CONSOLE_GPIO_ENABLE"))
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# Secure boot configuration
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if (d.getVar("TRUSTFENCE_CHECK_KERNEL", True) == "1"):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_SECURE_BOOT=y ")
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if (d.getVar("TRUSTFENCE_UBOOT_SIGN", True) == "1"):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_SIGN_IMAGE=y ")
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if d.getVar("TRUSTFENCE_CST_PATH", True):
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d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_CST_PATH=\\"%s\\" ' % d.getVar("TRUSTFENCE_CST_PATH"))
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if d.getVar("TRUSTFENCE_CSF_SIZE", True):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_CSF_SIZE=%s " % d.getVar("TRUSTFENCE_CSF_SIZE"))
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if d.getVar("TRUSTFENCE_KEY_INDEX", True):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_KEY_INDEX=%s " % d.getVar("TRUSTFENCE_KEY_INDEX"))
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if (d.getVar("TRUSTFENCE_UBOOT_ENCRYPT", True) == "1"):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_ENCRYPT_IMAGE=y ")
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if d.getVar("TRUSTFENCE_UBOOT_DEK_SIZE", True):
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d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_DEK_SIZE=%s " % d.getVar("TRUSTFENCE_UBOOT_DEK_SIZE"))
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if d.getVar("TRUSTFENCE_UBOOT_ENV_DEK", True):
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d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_ENV_AES=y CONFIG_ENV_AES_KEY=\\"%s\\"' % d.getVar("TRUSTFENCE_UBOOT_ENV_DEK"))
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}
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