diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index b44fb2e..c1f4e48 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -4553,9 +4553,13 @@
 depends_on:PSA_WANT_ALG_RSA_PSS:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:PSA_WANT_ECC_SECP_R1_256
 verify_hash_fail_interruptible:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_RSA_PSS(PSA_ALG_SHA_256):"":"":PSA_ERROR_NOT_SUPPORTED:PSA_ERROR_BAD_STATE:PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED
 
-PSA int hash state test: randomized ECDSA SECP256R1 SHA-256
+PSA sgn/vrfy hash int state test: randomized ECDSA SECP256R1 SHA-256
 depends_on:PSA_WANT_ALG_ECDSA:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:PSA_WANT_ECC_SECP_R1_256
-hash_interruptible_state_test:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_ECDSA(PSA_ALG_SHA_256):"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b"
+interruptible_signverify_hash_state_test:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_ECDSA(PSA_ALG_SHA_256):"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b"
+
+PSA sgn/vrfy hash int neg tests: randomized ECDSA SECP256R1 SHA-256
+depends_on:PSA_WANT_ALG_ECDSA:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:PSA_WANT_ECC_SECP_R1_256
+interruptible_signverify_hash_negative_tests:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_ECDSA(PSA_ALG_SHA_256):"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b"
 
 PSA sign message: RSA PKCS#1 v1.5 SHA-256
 depends_on:PSA_WANT_ALG_RSA_PKCS1V15_SIGN:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_PK_PARSE_C
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 7ad8569..471f426 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -7186,8 +7186,8 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
-void hash_interruptible_state_test(int key_type_arg, data_t *key_data,
-                                   int alg_arg, data_t *input_data)
+void interruptible_signverify_hash_state_test(int key_type_arg,
+                                              data_t *key_data, int alg_arg, data_t *input_data)
 {
     mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
     psa_key_type_t key_type = key_type_arg;
@@ -7197,7 +7197,6 @@
     size_t signature_size;
     size_t signature_length = 0xdeadbeef;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
-    uint8_t *input_buffer = NULL;
     psa_sign_hash_interruptible_operation_t sign_operation =
         psa_sign_hash_interruptible_operation_init();
     psa_verify_hash_interruptible_operation_t verify_operation =
@@ -7320,6 +7319,57 @@
 
     PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
 
+exit:
+    /*
+     * Key attributes may have been returned by psa_get_key_attributes()
+     * thus reset them as required.
+     */
+    psa_reset_key_attributes(&attributes);
+
+    psa_destroy_key(key);
+    mbedtls_free(signature);
+    PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+void interruptible_signverify_hash_negative_tests(int key_type_arg,
+                                                  data_t *key_data, int alg_arg, data_t *input_data)
+{
+    mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+    psa_key_type_t key_type = key_type_arg;
+    psa_algorithm_t alg = alg_arg;
+    size_t key_bits;
+    unsigned char *signature = NULL;
+    size_t signature_size;
+    size_t signature_length = 0xdeadbeef;
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    uint8_t *input_buffer = NULL;
+    psa_sign_hash_interruptible_operation_t sign_operation =
+        psa_sign_hash_interruptible_operation_init();
+    psa_verify_hash_interruptible_operation_t verify_operation =
+        psa_verify_hash_interruptible_operation_init();
+
+    PSA_ASSERT(psa_crypto_init());
+
+    psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH |
+                            PSA_KEY_USAGE_VERIFY_HASH);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, key_type);
+
+    PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+                              &key));
+    PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+    key_bits = psa_get_key_bits(&attributes);
+
+    /* Allocate a buffer which has the size advertised by the
+     * library. */
+    signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+                                          key_bits, alg);
+    TEST_ASSERT(signature_size != 0);
+    TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+    ASSERT_ALLOC(signature, signature_size);
+
     /* --- Ensure changing the max ops mid operation works (operation should
      *     complete successfully after setting max ops to unlimited --- */
     psa_interruptible_set_max_ops(1);
@@ -7433,6 +7483,7 @@
 }
 /* END_CASE */
 
+
 /* BEGIN_CASE */
 void sign_message_deterministic(int key_type_arg,
                                 data_t *key_data,