diff --git a/tests/include/drivers/signature.h b/tests/include/drivers/signature.h
new file mode 100644
index 0000000..1607ba5
--- /dev/null
+++ b/tests/include/drivers/signature.h
@@ -0,0 +1,55 @@
+/*
+ * Test driver for signature functions
+ */
+/*  Copyright (C) 2020, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#ifndef MBEDTLS_PSA_CRYPTO_TEST_DRIVERS_SIGNATURE_H
+#define MBEDTLS_PSA_CRYPTO_TEST_DRIVERS_SIGNATURE_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_TEST_HOOKS)
+#include <psa/crypto_driver_common.h>
+
+extern void *test_driver_forced_output;
+extern size_t test_driver_forced_output_length;
+
+extern psa_status_t test_transparent_signature_sign_hash_status;
+extern unsigned long test_transparent_signature_sign_hash_hit;
+
+psa_status_t test_transparent_signature_sign_hash(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key, size_t key_length,
+    psa_algorithm_t alg,
+    const uint8_t *hash, size_t hash_length,
+    uint8_t *signature, size_t signature_size, size_t *signature_length );
+
+psa_status_t test_opaque_signature_sign_hash(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key, size_t key_length,
+    psa_algorithm_t alg,
+    const uint8_t *hash, size_t hash_length,
+    uint8_t *signature, size_t signature_size, size_t *signature_length );
+
+#endif /* MBEDTLS_TEST_HOOKS */
+#endif /* MBEDTLS_PSA_CRYPTO_TEST_DRIVERS_SIGNATURE_H */