[tor-bugs] #15539 [Tor bundles/installation]: Removing signature on Tor Browser .exe should result in SHA256 value listed in sha256sums.txt

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Apr 1 14:50:28 UTC 2015


#15539: Removing signature on Tor Browser .exe should result in SHA256 value listed
in sha256sums.txt
------------------------------------------+-----------------
     Reporter:  gk                        |      Owner:  gk
         Type:  defect                    |     Status:  new
     Priority:  normal                    |  Milestone:
    Component:  Tor bundles/installation  |    Version:
   Resolution:                            |   Keywords:
Actual Points:                            |  Parent ID:
       Points:                            |
------------------------------------------+-----------------

Comment (by gk):

 Padding is not the only issue. If you take torbrowser-install-4.5a5_ko.exe
 before the authenticode signing, sign it and strip the signature you get
 still a broken PE-Header:
 {{{
 --- /dev/fd/63  2015-04-01 14:37:37.594384310 +0000
 +++ /dev/fd/62  2015-04-01 14:37:37.590384415 +0000
 @@ -11,7 +11,7 @@
  00000a0: 0050 0000 00ac 0100 2743 0000 0010 0000  .P......'C......
  00000b0: 00a0 0000 0000 4000 0010 0000 0002 0000  ...... at .........
  00000c0: 0400 0000 0600 0000 0400 0000 0000 0000  ................
 -00000d0: 0060 0400 0004 0000 41b6 0100 0200 0080  .`......A.......
 +00000d0: 0060 0400 0004 0000 94d0 2702 0200 0080  .`........'.....
  00000e0: 0000 2000 0010 0000 0000 1000 0010 0000  .. .............
  00000f0: 0000 0000 1000 0000 0000 0000 0000 0000  ................
  0000100: 0090 0200 0413 0000 00c0 0300 a894 0000  ................

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15539#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online


More information about the tor-bugs mailing list