Index: scripts/base/base.py
===================================================================
diff -u -r28ee439966c2b482352f1cadd913d558fcac2a05 -rdd30a8caf586169db067d42da875a31507628e8d
--- scripts/base/base.py	(.../base.py)	(revision 28ee439966c2b482352f1cadd913d558fcac2a05)
+++ scripts/base/base.py	(.../base.py)	(revision dd30a8caf586169db067d42da875a31507628e8d)
@@ -7,6 +7,7 @@
     SW_UPDATE_FLASH_BUFFER_SIZE = 128
     SIGNATURE_START = "SIGNATURE_START==================="
     SIGNATURE_END = "SIGNATURE_END==================="
+    SIGNATURE_SIZE_BYTES = 344
 
     def __init__(self):
         pass