--- /usr/lib/portage/pym/portage.py.orig	2005-12-26 21:33:22.000000000 +0000
+++ /usr/lib/portage/pym/portage.py	2005-12-26 21:33:38.000000000 +0000
@@ -5506,8 +5506,11 @@
 				print "[bad digest]: missing",myfile,"for",mypkg
 			elif myfile in mymd5s.keys():
 				distfile=settings["DISTDIR"]+"/"+myfile
+				verified_ok,reason = portage_checksum.verify_all(distfile, mymd5s[myfile])
 				if not os.access(distfile, os.R_OK):
 					filesdict[myfile]=int(mymd5s[myfile]["size"])
+				elif not verified_ok and os.stat(distfile)[stat.ST_SIZE] < int(mymd5s[myfile]["size"]):
+					filesdict[myfile]=int(mymd5s[myfile]["size"] - os.stat(distfile)[stat.ST_SIZE])
 		return filesdict
 
 	def fetch_check(self, mypkg, useflags=None, mysettings=None, all=False):