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Merge pull request #10210 from gilles-peskine-arm/nv-seed-only-3.6

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3.6 only: Test a build with entropy only from NV seed
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Ronald Cron 2025-07-02 07:50:45 +00:00 committed by GitHub
commit a329f398e4
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3 changed files with 22 additions and 4 deletions
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4
tests/scripts/analyze_outcomes.py
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@ -86,10 +86,6 @@ class CoverageTask(outcome_analysis.CoverageTask):
# Untested platform-specific optimizations.
# https://github.com/Mbed-TLS/mbedtls/issues/9588
'Config: MBEDTLS_HAVE_SSE2',
# Obsolete configuration option, to be replaced by
# PSA entropy drivers.
# https://github.com/Mbed-TLS/mbedtls/issues/8150
'Config: MBEDTLS_NO_PLATFORM_ENTROPY',
# Untested aspect of the platform interface.
# https://github.com/Mbed-TLS/mbedtls/issues/9589
'Config: MBEDTLS_PLATFORM_NO_STD_FUNCTIONS',

17
tests/scripts/components-configuration-crypto.sh
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@ -426,6 +426,23 @@ component_test_psa_external_rng_use_psa_crypto () {
tests/ssl-opt.sh -f 'Default\|opaque'
}
component_test_entropy_nv_seed_only () {
msg "build: full minus platform entropy (NV seed only)"
scripts/config.py full
scripts/config.py set MBEDTLS_NO_PLATFORM_ENTROPY
make CC=$ASAN_CC CFLAGS="$ASAN_CFLAGS" LDFLAGS="$ASAN_CFLAGS"
msg "build: full minus platform entropy (NV seed only)"
make test
# Check that the library seems to refer to the seedfile, but not to
# platform entropy sources.
grep seedfile library/platform.o
not grep getrandom library/entropy*.o
not grep /dev/random library/entropy*.o
not grep /dev/.random library/entropy*.o
}
component_test_psa_inject_entropy () {
msg "build: full + MBEDTLS_PSA_INJECT_ENTROPY"
scripts/config.py full

5
tests/suites/test_suite_config.crypto_combinations.data
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@ -1,5 +1,10 @@
# Interesting combinations of low-level crypto options
# Entropy: available in mbedtls_entropy_init(), thanks to NV seed, no platform sources, no custom source
Config: entropy: NV seed only
depends_on:!MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES:MBEDTLS_ENTROPY_NV_SEED:MBEDTLS_NO_PLATFORM_ENTROPY:!MBEDTLS_ENTROPY_HARDWARE_ALT
pass:
Config: ECC: Weierstrass curves only
depends_on:MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED:!MBEDTLS_ECP_MONTGOMERY_ENABLED
pass: