diff --git a/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h b/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
index 09fdcdad72799c..86ea2dae9ea644 100644
--- a/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
+++ b/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
@@ -56,6 +56,7 @@
 #define MBEDTLS_RSA_C
 #define MBEDTLS_SSL_IN_CONTENT_LEN 5120
 #define MBEDTLS_SSL_OUT_CONTENT_LEN 1560
+#define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF
 #endif // DIC_ENABLE
 
 #define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf
diff --git a/src/platform/silabs/efr32/psa_crypto_config.h b/src/platform/silabs/efr32/psa_crypto_config.h
index b0556cabb86d13..c7a462cbaee734 100644
--- a/src/platform/silabs/efr32/psa_crypto_config.h
+++ b/src/platform/silabs/efr32/psa_crypto_config.h
@@ -61,6 +61,8 @@
 #define PSA_WANT_KEY_TYPE_HMAC
 #ifdef DIC_ENABLE
 #define PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY
+#define PSA_WANT_ALG_CBC_NO_PADDING
+#define PSA_WANT_ALG_RSA_PKCS1V15_SIGN
 #endif // DIC_ENABLE
 #define MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG
 #define MBEDTLS_PSA_ACCEL_ALG_SHA_1