Add comments about RNG mutex requirements
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index c28937d..373918a 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -7145,6 +7145,9 @@
#endif
/** Initialize the PSA random generator.
+ *
+ * Note: the mbedtls_threading_psa_rngdata_mutex should be held when calling
+ * this function if mutexes are enabled.
*/
static void mbedtls_psa_random_init(mbedtls_psa_random_context_t *rng)
{
@@ -7177,6 +7180,9 @@
}
/** Deinitialize the PSA random generator.
+ *
+ * Note: the mbedtls_threading_psa_rngdata_mutex should be held when calling
+ * this function if mutexes are enabled.
*/
static void mbedtls_psa_random_free(mbedtls_psa_random_context_t *rng)
{