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random: Warning when using test config

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Generates a warning message when building with
CONFIG_TEST_RANDOM_GENERATOR. The purpose is inform that this is not
secure and should not used in production.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2020-09-18 22:34:06 -07:00 • committed by Carles Cufí
commit b8b42c6d18
1 changed files with 7 additions and 0 deletions
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7
subsys/random/CMakeLists.txt
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@ -7,6 +7,13 @@ zephyr_library()
zephyr_library_sources_ifdef(CONFIG_USERSPACE rand32_handlers.c)
endif()
if (CONFIG_TEST_RANDOM_GENERATOR)
message(WARNING "
Warning: CONFIG_TEST_RANDOM_GENERATOR is not a truly random generator.
This capability is not secure and it is provided for testing purposes only.
Use it carefully.")
endif()
zephyr_library_sources_ifdef(CONFIG_TIMER_RANDOM_GENERATOR rand32_timer.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)