CONFIG_MBEDTLS=y CONFIG_TEST_RANDOM_GENERATOR=y CONFIG_TIMER_RANDOM_GENERATOR=y CONFIG_MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG_ALLOW_NON_CSPRNG=y # PSA Crypto needs some heap, but MINIMAL_LIBC has none by default. CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=2048 CONFIG_MBEDTLS_PSA_CRYPTO_C=y CONFIG_SECURE_STORAGE_ITS_MAX_DATA_SIZE=300