mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
0d795c356a
This commit introduces Random number generator to uboot. It uses DCP
driver for number generation.
RNG driver can be invoked by using below command on uboot prompt:-
rng <number of bytes>
Signed-off-by: Kshitiz Varshney <kshitiz.varshney@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
85 lines
2.2 KiB
Text
85 lines
2.2 KiB
Text
config FSL_CAAM
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bool "Freescale Crypto Driver Support"
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select SHA_HW_ACCEL
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# hw_sha1() under drivers/crypto, and needed with SHA_HW_ACCEL
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select MISC if DM
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imply SPL_CRYPTO if (ARM && SPL)
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imply CMD_HASH
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help
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Enables the Freescale's Cryptographic Accelerator and Assurance
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Module (CAAM), also known as the SEC version 4 (SEC4). The driver uses
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Job Ring as interface to communicate with CAAM.
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config SYS_FSL_MAX_NUM_OF_SEC
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int "Number of job rings in the CAAM"
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depends on FSL_CAAM
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default 1
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config CAAM_64BIT
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bool
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default y if PHYS_64BIT && !ARCH_IMX8M && !ARCH_IMX8
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help
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Select Crypto driver for 64 bits CAAM version
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config SYS_FSL_HAS_SEC
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bool
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help
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Enable Freescale Secure Boot and Trusted Architecture
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config SYS_FSL_SEC_COMPAT_2
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bool
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help
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Secure boot and trust architecture compatible version 2
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config SYS_FSL_SEC_COMPAT_4
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bool
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help
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Secure boot and trust architecture compatible version 4
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config SYS_FSL_SEC_COMPAT_5
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bool
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help
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Secure boot and trust architecture compatible version 5
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config SYS_FSL_SEC_COMPAT_6
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bool
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help
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Secure boot and trust architecture compatible version 6
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config SYS_FSL_SEC_BE
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bool "Big-endian access to Freescale Secure Boot"
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config SYS_FSL_SEC_COMPAT
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int "Freescale Secure Boot compatibility"
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depends on SYS_FSL_HAS_SEC
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default 2 if SYS_FSL_SEC_COMPAT_2
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default 4 if SYS_FSL_SEC_COMPAT_4
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default 5 if SYS_FSL_SEC_COMPAT_5
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default 6 if SYS_FSL_SEC_COMPAT_6
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config SYS_FSL_SEC_LE
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bool "Little-endian access to Freescale Secure Boot"
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if FSL_CAAM
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config FSL_CAAM_RNG
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bool "Enable Random Number Generator support"
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depends on DM_RNG
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default y
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help
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Enable support for the hardware based random number generator
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module of the CAAM. The random data is fetched from the DRGB
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using the prediction resistance flag which means the DRGB is
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reseeded from the TRNG every time random data is generated.
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endif
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config FSL_DCP_RNG
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bool "Enable Random Number Generator support"
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depends on DM_RNG
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default n
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help
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Enable support for the hardware based random number generator
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module of the DCP. It uses the True Random Number Generator (TRNG)
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and a Pseudo-Random Number Generator (PRNG) to achieve a true
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randomness and cryptographic strength.
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