diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index ba204f7..46938ea 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -111,6 +111,7 @@
 typedef struct {
     unsigned initialized : 1;
     unsigned rng_state : 2;
+    unsigned drivers_initialized : 1;
     mbedtls_psa_random_context_t rng;
 } psa_global_data_t;
 
@@ -125,6 +126,12 @@
     if (global_data.initialized == 0)  \
     return PSA_ERROR_BAD_STATE;
 
+int psa_can_do_hash(psa_algorithm_t hash_alg)
+{
+    (void) hash_alg;
+    return global_data.drivers_initialized;
+}
+
 psa_status_t mbedtls_to_psa_error(int ret)
 {
     /* Mbed TLS error codes can combine a high-level error code and a
@@ -7124,6 +7131,13 @@
         return PSA_SUCCESS;
     }
 
+    /* Init drivers */
+    status = psa_driver_wrapper_init();
+    if (status != PSA_SUCCESS) {
+        goto exit;
+    }
+    global_data.drivers_initialized = 1;
+
     /* Initialize and seed the random generator. */
     mbedtls_psa_random_init(&global_data.rng);
     global_data.rng_state = RNG_INITIALIZED;
@@ -7138,12 +7152,6 @@
         goto exit;
     }
 
-    /* Init drivers */
-    status = psa_driver_wrapper_init();
-    if (status != PSA_SUCCESS) {
-        goto exit;
-    }
-
 #if defined(PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS)
     status = psa_crypto_load_transaction();
     if (status == PSA_SUCCESS) {