psa_crypto_random_impl: minor fixes
- define mbedtls_psa_random_context_t even when MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG
is defined
- define mbedtls_psa_legacy_get_random as pointer to function instead
of #define to make "check_names" test happy.
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index c8dd0d0..b86a4fc 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -7373,12 +7373,16 @@
#else /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
while (output_size > 0) {
+ int ret = MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED;
size_t request_size =
(output_size > MBEDTLS_PSA_RANDOM_MAX_REQUEST ?
MBEDTLS_PSA_RANDOM_MAX_REQUEST :
output_size);
- int ret = mbedtls_psa_legacy_get_random(&global_data.rng.drbg,
- output, request_size);
+#if defined(MBEDTLS_CTR_DRBG_C)
+ ret = mbedtls_ctr_drbg_random(&global_data.rng.drbg, output, request_size);
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+ ret = mbedtls_hmac_drbg_random(&global_data.rng.drbg, output, request_size);
+#endif /* !MBEDTLS_CTR_DRBG_C && !MBEDTLS_HMAC_DRBG_C */
if (ret != 0) {
return mbedtls_to_psa_error(ret);
}