569a1a0a5d
RT platforms that support TRNG IP (rt10xx and rt6xx) need to set RNG and CSRNG to Xoroshiro and CTR_DRBG respectively instead of using TRNG as random source. Fixes: #37307 Signed-off-by: David Leach <david.leach@nxp.com>
45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
# mcux entropy generator driver configuration
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# Copyright (c) 2016 ARM Ltd.
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# SPDX-License-Identifier: Apache-2.0
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config ENTROPY_MCUX_RNGA
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bool "MCUX RNGA driver"
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depends on HAS_MCUX_RNGA
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select ENTROPY_HAS_DRIVER
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help
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This option enables the random number generator accelerator (RNGA)
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driver based on the MCUX RNGA driver.
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config ENTROPY_MCUX_TRNG
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bool "MCUX TRNG driver"
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depends on HAS_MCUX_TRNG
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select ENTROPY_HAS_DRIVER
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help
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This option enables the true random number generator (TRNG)
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driver based on the MCUX TRNG driver.
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config ENTROPY_MCUX_RNG
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bool "MCUX RNG driver"
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depends on HAS_MCUX_RNG
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select ENTROPY_HAS_DRIVER
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help
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This option enables the true random number generator (TRNG)
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driver based on the MCUX RNG driver on LPC Family.
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#
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# Don't use use the MCUX TRNG as a random source as it is not designed
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# to supply a continuous random stream. Instead, it is used to provide
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# a seed to RNG generator.
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#
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# Use the software implemented xoroshiro RNG.
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# Use CSPRNG for cryptographically secure RNG source.
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#
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choice RNG_GENERATOR_CHOICE
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default XOSHIRO_RANDOM_GENERATOR if ENTROPY_MCUX_TRNG
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endchoice
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choice CSPRNG_GENERATOR_CHOICE
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default CTR_DRBG_CSPRNG_GENERATOR if ENTROPY_MCUX_TRNG
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endchoice
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