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subsys/random: Add cryptographically secure and bulk fill functions

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1) Add cryptographically secure random functions to provide
FIPS 140-2 compliant random functions.

2) Add name to random function choice selectors to ease
selection in SOC .defconfig files

3) Add bulk fill random functions.

Signed-off-by: David Leach <david.leach@nxp.com>
This commit is contained in:
David Leach 2019-07-23 14:16:24 -05:00 • committed by Kumar Gala
commit afdc63f320
17 changed files with 596 additions and 42 deletions
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23
subsys/random/CMakeLists.txt
View file

@ -1,6 +1,21 @@
# SPDX-License-Identifier: Apache-2.0
zephyr_sources_ifdef(CONFIG_TIMER_RANDOM_GENERATOR rand32_timer.c)
zephyr_sources_ifdef(CONFIG_X86_TSC_RANDOM_GENERATOR rand32_timestamp.c)
zephyr_sources_ifdef(CONFIG_ENTROPY_DEVICE_RANDOM_GENERATOR rand32_entropy_device.c)
zephyr_sources_ifdef(CONFIG_XOROSHIRO_RANDOM_GENERATOR rand32_xoroshiro128.c)
if (CONFIG_ENTROPY_DEVICE_RANDOM_GENERATOR OR
CONFIG_TIMER_RANDOM_GENERATOR OR
CONFIG_X86_TSC_RANDOM_GENERATOR OR
CONFIG_XOROSHIRO_RANDOM_GENERATOR)
zephyr_library()
endif()
zephyr_library_sources_ifdef(CONFIG_TIMER_RANDOM_GENERATOR rand32_timer.c)
zephyr_library_sources_ifdef(CONFIG_X86_TSC_RANDOM_GENERATOR rand32_timestamp.c)
zephyr_library_sources_ifdef(CONFIG_XOROSHIRO_RANDOM_GENERATOR rand32_xoroshiro128.c)
zephyr_library_sources_ifdef(CONFIG_CTR_DRBG_CSPRNG_GENERATOR rand32_ctr_drbg.c)
if (CONFIG_ENTROPY_DEVICE_RANDOM_GENERATOR OR CONFIG_HARDWARE_DEVICE_CS_GENERATOR)
zephyr_library_sources(rand32_entropy_device.c)
endif()
if (CONFIG_CTR_DRBG_CSPRNG_GENERATOR)
zephyr_library_link_libraries_ifdef(CONFIG_MBEDTLS mbedTLS)
endif()