diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index ab39fba..844d9bc 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -7042,6 +7042,12 @@
  * 3. Test that the number of ops done prior to start and after abort is zero
  *    and that each successful stage completes some ops (this is not mandated by
  *    the PSA specification, but is currently the case).
+ *
+ * 4. Test that calling psa_sign_hash_get_num_ops() multiple times between
+ *    complete() calls does not alter the number of ops returned.
+ *
+ * 5. Test that after corrupting the hash, the verification detects an invalid
+ *    signature.
  */
 void verify_hash_interruptible(int key_type_arg, data_t *key_data,
                                int alg_arg, data_t *hash_data,
@@ -7126,6 +7132,25 @@
     num_ops = psa_verify_hash_get_num_ops(&operation);
     TEST_ASSERT(num_ops == 0);
 
+    if (hash_data->len != 0) {
+        /* Flip a bit in the hash and verify that the signature is now detected
+         * as invalid. Flip a bit at the beginning, not at the end, because
+         * ECDSA may ignore the last few bits of the input. */
+        hash_data->x[0] ^= 1;
+
+        /* Start verification. */
+        PSA_ASSERT(psa_verify_hash_start(&operation, key, alg,
+                                         hash_data->x, hash_data->len,
+                                         signature_data->x, signature_data->len));
+
+        /* Continue performing the signature until complete. */
+        do {
+            status = psa_verify_hash_complete(&operation);
+        } while (status == PSA_OPERATION_INCOMPLETE);
+
+        TEST_ASSERT(status ==  PSA_ERROR_INVALID_SIGNATURE);
+    }
+
 exit:
     psa_reset_key_attributes(&attributes);
     psa_destroy_key(key);