56 lines
1.8 KiB
Plaintext
56 lines
1.8 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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config SPL_RSA
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bool "Use RSA Library within SPL"
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depends on RSA
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if RSA
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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 && RSA
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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 && RSA && 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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config RSA_N_SIZE
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hex "Define the RSA N size"
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help
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The value is depended on different platforms. The RV1126/RV1109 is set to 0x100.
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The RK3568/RK3566 is set to 0x200.
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config RSA_E_SIZE
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hex "Define the RSA E size"
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help
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The value is depended on different platforms. The RV1126/RV1109 is set to 0x100.
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The RK3568/RK3566 is set to 0x10.
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config RSA_C_SIZE
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hex "Define the RSA C size"
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help
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The value is depended on different platforms.The RV1126/RV1109 is set to 0x14.
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The RK3568/RK3566 is set to 0x20.
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endif
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