diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
index 445a97a..8a2de65 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
@@ -24,3 +24,9 @@
 
 Key generating mock test: generating failed
 mock_generate:PSA_ERROR_HARDWARE_FAILURE:PSA_ERROR_HARDWARE_FAILURE
+
+Signing mock test
+mock_sign:PSA_SUCCESS:PSA_SUCCESS
+
+Signing mock test: sign failed
+mock_sign:PSA_ERROR_HARDWARE_FAILURE:PSA_ERROR_HARDWARE_FAILURE
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
index 4f14f70..d0e58ca 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
@@ -47,6 +47,16 @@
 static struct
 {
     uint16_t called;
+    psa_key_slot_number_t key_slot;
+    psa_algorithm_t alg;
+    size_t hash_length;
+    size_t signature_size;
+    psa_status_t return_value;
+} mock_sign_data;
+
+static struct
+{
+    uint16_t called;
     psa_status_t return_value;
 } mock_allocate_data;
 
@@ -59,12 +69,13 @@
 
 static void mock_teardown( void )
 {
+    memset( &mock_generate_data, 0, sizeof( mock_generate_data ) );
     memset( &mock_import_data, 0, sizeof( mock_import_data ) );
     memset( &mock_export_data, 0, sizeof( mock_export_data ) );
     memset( &mock_export_public_data, 0, sizeof( mock_export_public_data ) );
+    memset( &mock_sign_data, 0, sizeof( mock_sign_data ) );
     memset( &mock_allocate_data, 0, sizeof( mock_allocate_data ) );
     memset( &mock_destroy_data, 0, sizeof( mock_destroy_data ) );
-    memset( &mock_generate_data, 0, sizeof( mock_generate_data ) );
 }
 
 static psa_status_t mock_generate( psa_key_slot_number_t key_slot,
@@ -143,6 +154,27 @@
     return( mock_export_public_data.return_value );
 }
 
+psa_status_t mock_sign( psa_key_slot_number_t key_slot,
+                        psa_algorithm_t alg,
+                        const uint8_t *p_hash,
+                        size_t hash_length,
+                        uint8_t *p_signature,
+                        size_t signature_size,
+                        size_t *p_signature_length )
+{
+    (void) p_hash;
+    (void) p_signature;
+    (void) p_signature_length;
+
+    mock_sign_data.called++;
+    mock_sign_data.key_slot = key_slot;
+    mock_sign_data.alg = alg;
+    mock_sign_data.hash_length = hash_length;
+    mock_sign_data.signature_size = signature_size;
+
+    return mock_sign_data.return_value;
+}
+
 psa_status_t mock_allocate( const psa_key_attributes_t *attributes,
                            const psa_drv_se_slot_usage_t *slot_usage,
                            psa_key_slot_number_t *slot_number )
@@ -357,3 +389,57 @@
     mock_teardown( );
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void mock_sign( int mock_sign_return_value, int expected_result )
+{
+    psa_drv_se_t driver;
+    psa_drv_se_key_management_t key_management;
+    psa_drv_se_asymmetric_t asymmetric;
+    psa_key_lifetime_t lifetime = 2;
+    psa_key_id_t id = 1;
+    psa_key_handle_t handle = 0;
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    const uint8_t key_material[3] = {0xfa, 0xca, 0xde};
+    psa_algorithm_t algorithm = PSA_ALG_ECDSA(PSA_ALG_SHA_256);
+    size_t signature_length;
+
+    mock_sign_data.return_value = mock_sign_return_value;
+    memset( &driver, 0, sizeof( driver ) );
+    memset( &key_management, 0, sizeof( key_management ) );
+    memset( &asymmetric, 0, sizeof( asymmetric ) );
+
+    driver.hal_version = PSA_DRV_SE_HAL_VERSION;
+
+    driver.key_management = &key_management;
+    key_management.slot_count = 1;
+    key_management.p_import = mock_import;
+    key_management.p_destroy = mock_destroy;
+    key_management.p_allocate = mock_allocate;
+
+    driver.asymmetric = &asymmetric;
+    asymmetric.p_sign = mock_sign;
+
+    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_crypto_init( ) );
+
+    psa_set_key_id( &attributes, id );
+    psa_set_key_lifetime( &attributes, lifetime );
+    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
+    psa_set_key_algorithm( &attributes, algorithm );
+    psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA );
+
+    PSA_ASSERT( psa_import_key( &attributes,
+                                key_material, sizeof( key_material ),
+                                &handle ) );
+
+    TEST_ASSERT( psa_asymmetric_sign( handle, algorithm, NULL, 0, NULL, 0,
+                                      &signature_length)
+                 == expected_result );
+    TEST_ASSERT( mock_sign_data.called == 1 );
+
+exit:
+    PSA_DONE( );
+    mock_teardown( );
+}
+/* END_CASE */