diff --git a/include/drivers/auth/auth_mod.h b/include/drivers/auth/auth_mod.h
index 1dc9ff4..01d144d 100644
--- a/include/drivers/auth/auth_mod.h
+++ b/include/drivers/auth/auth_mod.h
@@ -50,6 +50,24 @@
 extern const size_t cot_desc_size;
 extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
 
+#if defined(SPD_spmd)
+#define DEFINE_SP_PKG(n) \
+	static const auth_img_desc_t sp_pkg##n = { \
+		.img_id = SP_CONTENT_CERT_ID + (n), \
+		.img_type = IMG_RAW, \
+		.parent = &sp_content_cert, \
+		.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { \
+			[0] = { \
+				.type = AUTH_METHOD_HASH, \
+				.param.hash = { \
+					.data = &raw_data, \
+					.hash = &sp_pkg##n##_hash \
+				} \
+			} \
+		} \
+	}
+#endif
+
 #endif /* TRUSTED_BOARD_BOOT */
 
 #endif /* AUTH_MOD_H */