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https://github.com/brain-hackers/u-boot-brain
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b983cc2da0
Introduce new configuration, CONFIG_RSA_VERIFY which will decouple building RSA functions from FIT verification and allow for adding a RSA-based signature verification for other file formats, in particular PE file for UEFI secure boot. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org>
48 lines
1.4 KiB
Plaintext
48 lines
1.4 KiB
Plaintext
config RSA
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bool "Use RSA Library"
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select RSA_FREESCALE_EXP if FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
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select RSA_SOFTWARE_EXP if !RSA_FREESCALE_EXP
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help
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RSA support. This enables the RSA algorithm used for FIT image
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verification in U-Boot.
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See doc/uImage.FIT/signature.txt for more details.
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The Modular Exponentiation algorithm in RSA is implemented using
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driver model. So CONFIG_DM needs to be enabled by default for this
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library to function.
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The signing part is build into mkimage regardless of this
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option. The software based modular exponentiation is built into
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mkimage irrespective of this option.
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if RSA
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config SPL_RSA
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bool "Use RSA Library within SPL"
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config SPL_RSA_VERIFY
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bool
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help
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Add RSA signature verification support in SPL.
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config RSA_VERIFY
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bool
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help
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Add RSA signature verification support.
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config RSA_SOFTWARE_EXP
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bool "Enable driver for RSA Modular Exponentiation in software"
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depends on DM
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help
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Enables driver for modular exponentiation in software. This is a RSA
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algorithm used in FIT image verification. It required RSA Key as
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input.
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See doc/uImage.FIT/signature.txt for more details.
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config RSA_FREESCALE_EXP
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bool "Enable RSA Modular Exponentiation with FSL crypto accelerator"
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depends on DM && FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
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help
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Enables driver for RSA modular exponentiation using Freescale cryptographic
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accelerator - CAAM.
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endif
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