diff --git a/drivers/st/io/io_stm32image.c b/drivers/st/io/io_stm32image.c
index 971dcce..413521b 100644
--- a/drivers/st/io/io_stm32image.c
+++ b/drivers/st/io/io_stm32image.c
@@ -246,7 +246,7 @@
 static int stm32image_partition_read(io_entity_t *entity, uintptr_t buffer,
 				     size_t length, size_t *length_read)
 {
-	int result = 0;
+	int result;
 	uint8_t *local_buffer = (uint8_t *)buffer;
 	boot_api_image_header_t *header =
 		(boot_api_image_header_t *)first_lba_buffer;
@@ -341,6 +341,12 @@
 			header->magic = 0;
 		}
 
+		result = stm32mp_auth_image(header, buffer);
+		if (result != 0) {
+			ERROR("Authentication Failed (%i)\n", result);
+			return result;
+		}
+
 		io_close(backend_handle);
 	}