diff --git a/tests/src/psa_crypto_stubs.c b/tests/src/psa_crypto_stubs.c
index f3ca85074..81d7f4b32 100644
--- a/tests/src/psa_crypto_stubs.c
+++ b/tests/src/psa_crypto_stubs.c
@@ -22,4 +22,54 @@ psa_status_t psa_generate_random(uint8_t *output,
     return PSA_ERROR_COMMUNICATION_FAILURE;
 }
 
+psa_status_t psa_export_key(mbedtls_svc_key_id_t key,
+                            uint8_t *data,
+                            size_t data_size,
+                            size_t *data_length)
+{
+    (void) key;
+    (void) data;
+    (void) data_size;
+    (void) data_length;
+    return PSA_ERROR_COMMUNICATION_FAILURE;
+}
+
+psa_status_t psa_export_public_key(mbedtls_svc_key_id_t key,
+                                   uint8_t *data,
+                                   size_t data_size,
+                                   size_t *data_length)
+{
+    (void) key;
+    (void) data;
+    (void) data_size;
+    (void) data_length;
+    return PSA_ERROR_COMMUNICATION_FAILURE;
+}
+
+psa_status_t psa_get_key_attributes(mbedtls_svc_key_id_t key,
+                                    psa_key_attributes_t *attributes)
+{
+    (void) key;
+    (void) attributes;
+    return PSA_ERROR_COMMUNICATION_FAILURE;
+}
+
+psa_status_t psa_hash_abort(psa_hash_operation_t *operation)
+{
+    (void) operation;
+    return PSA_ERROR_COMMUNICATION_FAILURE;
+}
+
+psa_status_t psa_import_key(const psa_key_attributes_t *attributes,
+                            const uint8_t *data,
+                            size_t data_length,
+                            mbedtls_svc_key_id_t *key)
+{
+    (void) attributes;
+    (void) data;
+    (void) data_length;
+    (void) key;
+    return PSA_ERROR_COMMUNICATION_FAILURE;
+}
+
 #endif /* MBEDTLS_PSA_CRYPTO_CLIENT && !MBEDTLS_PSA_CRYPTO_C */