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mbedtls: MBEDTLS_ENTROPY_POLL_ZEPHYR default on if MBEDTLS_ENTROPY_C

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As long as MBEDTLS_ENTROPY_C is enabled, Mbed TLS needs to
poll some entropy source to gather data that will then be
processed by CTR/HMAC-DRBG modules. This means that in most
of the cases, once MBEDTLS_ENTROPY_C is enabled then also
MBEDTLS_ENTROPY_POLL_ZEPHYR needs to be enabled. This was
done manually until now, as the long list of samples/tests
demonstrate.

This commit solves this dependency by defaulting
MBEDTLS_ENTROPY_POLL_ZEPHYR to on as soon as
MBEDTLS_ENTROPY_C is set. As a consequence, all manual
enablement of MBEDTLS_ENTROPY_POLL_ZEPHYR in samples/tests
are removed.

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
This commit is contained in:
Valerio Setti 2024-11-05 14:59:24 +01:00 • committed by Anas Nashif
commit 516886be1b
12 changed files with 2 additions and 10 deletions
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1
tests/modules/uoscore/prj.conf
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@ -13,7 +13,6 @@ CONFIG_MBEDTLS=y
CONFIG_MBEDTLS_ENABLE_HEAP=y
CONFIG_MBEDTLS_HEAP_SIZE=2048
CONFIG_MBEDTLS_ENTROPY_C=y
CONFIG_MBEDTLS_ENTROPY_POLL_ZEPHYR=y
# PSA Crypto options

1
tests/subsys/secure_storage/psa/crypto/overlay-secure_storage.conf
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@ -4,7 +4,6 @@ CONFIG_MAIN_STACK_SIZE=2048
CONFIG_MBEDTLS=y
CONFIG_TEST_RANDOM_GENERATOR=y
CONFIG_TIMER_RANDOM_GENERATOR=y
CONFIG_MBEDTLS_ENTROPY_POLL_ZEPHYR=y
CONFIG_MBEDTLS_PSA_CRYPTO_C=y
CONFIG_SECURE_STORAGE=y

1
tests/subsys/secure_storage/psa/its/overlay-default_transform.conf
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@ -1,7 +1,6 @@
CONFIG_MBEDTLS=y
CONFIG_TEST_RANDOM_GENERATOR=y
CONFIG_TIMER_RANDOM_GENERATOR=y
CONFIG_MBEDTLS_ENTROPY_POLL_ZEPHYR=y
CONFIG_MBEDTLS_PSA_CRYPTO_C=y
# SETTINGS_MAX_VAL_LEN (256) - flags (1) - CONFIG_SECURE_STORAGE_ITS_TRANSFORM_OUTPUT_OVERHEAD (28)

1
tests/subsys/storage/flash_map/overlay-psa.conf
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@ -1,3 +1,4 @@
CONFIG_FLASH_AREA_CHECK_INTEGRITY_PSA=y
CONFIG_MBEDTLS=y
CONFIG_MBEDTLS_PSA_CRYPTO_C=y
CONFIG_TEST_RANDOM_GENERATOR=y