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random: Fix non-random number generator warning condition

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The `TEST_RANDOM_GENERATOR` symbol in itself does not imply that a
non-random number generator is selected -- that is indicated by the
`RNG_GENERATOR_CHOICE` choices, of which only `TIMER_RANDOM_GENERATOR`
is a non-random generator.

This commit updates the Random subsystem to print the "non-random
number generator usage warning" when `TIMER_RANDOM_GENERATOR` is
selected, as opposed to when `TEST_RANDOM_GENERATOR` is selected.

Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>
This commit is contained in:
Stephanos Ioannidis 2022-12-14 05:30:26 +09:00 • committed by Carles Cufí
commit 37c6d52f8c
1 changed files with 2 additions and 2 deletions
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4
subsys/random/CMakeLists.txt
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@ -7,9 +7,9 @@ zephyr_library()
zephyr_library_sources_ifdef(CONFIG_USERSPACE rand32_handlers.c) zephyr_library_sources_ifdef(CONFIG_USERSPACE rand32_handlers.c)
endif() endif()
if (CONFIG_TEST_RANDOM_GENERATOR) if (CONFIG_TIMER_RANDOM_GENERATOR)
message(WARNING " message(WARNING "
Warning: CONFIG_TEST_RANDOM_GENERATOR is not a truly random generator. Warning: CONFIG_TIMER_RANDOM_GENERATOR is not a truly random generator.
This capability is not secure and it is provided for testing purposes only. This capability is not secure and it is provided for testing purposes only.
Use it carefully.") Use it carefully.")
endif() endif()