diff -uprk.orig apt-0.5.15cnc5.orig/apt-pkg/acquire-item.cc apt-0.5.15cnc5/apt-pkg/acquire-item.cc
--- apt-0.5.15cnc5.orig/apt-pkg/acquire-item.cc	2003-12-23 23:20:28 +0300
+++ apt-0.5.15cnc5/apt-pkg/acquire-item.cc	2004-01-16 15:26:05 +0300
@@ -824,7 +824,10 @@ void pkgAcqArchive::Done(string Message,
    {
       if (Md5Hash != MD5)
       {
-	 Status = StatError;
+	if (_config->FindB("Debug::pkgAcquire::Auth", false)) {
+	    cerr << "md5 mismatch: " << Md5Hash << "!=" << MD5 << endl;
+	}
+ 	 Status = StatError;
 	 ErrorText = _("MD5Sum mismatch");
 	 Rename(DestFile,DestFile + ".FAILED");
 	 return;
@@ -968,6 +971,9 @@ void pkgAcqFile::Done(string Message,uns
    {
       if (Md5Hash != MD5)
       {
+	if (_config->FindB("Debug::pkgAcquire::Auth", false)) {
+	    cerr << "md5 mismatch: " << Md5Hash << "!=" << MD5 << endl;
+	}
 	 Status = StatError;
 	 ErrorText = "MD5Sum mismatch";
 	 Rename(DestFile,DestFile + ".FAILED");
diff -uprk.orig apt-0.5.15cnc5.orig/cmdline/apt-get.cc apt-0.5.15cnc5/cmdline/apt-get.cc
--- apt-0.5.15cnc5.orig/cmdline/apt-get.cc	2003-12-23 23:30:50 +0300
+++ apt-0.5.15cnc5/cmdline/apt-get.cc	2004-01-16 15:26:05 +0300
@@ -2382,6 +2382,9 @@ bool DoSource(CommandLine &CmdL)
 	     I->Type != "tar")
 	    continue;
 	 
+	if (_config->FindB("Debug::pkgAcquire::Auth",false) == true)
+	    cerr << "I->Path = " << I->Path << ", I->MD5Hash = " << I->MD5Hash << endl;
+
 	 new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
 			I->MD5Hash,I->Size,
 			Last->Index().SourceInfo(*Last,*I),Src);