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Verify the virtual machine images using Windows

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Windows using Gpg4win[edit]

GnuPG, a common free software implementation of OpenPGP has versions and graphical frontends for Windows.

Gpg4win, for Windows. Getting a GnuPG version for Windows in a secure way.

You will find on this websites detailed documentation on how to install and use them.

After installing Gpg4win, download the Whonix Signing Key.

Using Kleopatra is really cumbersome for reasons stated below. Therefore it is recommended to rather use gpg #command line.

Consult the Gpg4win documentation to import it.

As long as the signing key is only listed under "other certificates" in Kleopatra, you will get "Not enough information to check signature validity". The signing key needs to be listed under "trusted certificates". To do that, you need to create your own OpenPGP key first. You could do that using (Kleopatra -> File -> New Certificate). To sign Whonix's singing key, right click on it and click "Certify Certificate". Creating local signature suffices.

Then, download the cryptographic signature corresponding to the virtual machine image you want to verify:
Download Whonix Signature: VirtualBox | KVM

Consult the Gpg4win documentation to check the signature.

If you see "Not enough information to check signature validity" as shown below.

Kleopatra Not enough information to check signature validity

Then you either did not import Whonix's signing key or you did not sign Whonix's signing key with your own key.

If you see.

Signature valid.
Signed on 2014-04-13 06:52 with unknown certificate

Kleopatra valid unknown certificate.png

This is a bug in kleopatra which they have not fixed since 2011.

For this reasons, you are probably better off using gpg command line. Instructions similar to:


If you encounter an error with GPG, first try a web search with the relevant error text. Additionally, the security stackexchange siteis able to help with GPG problems. Describe your problem thoroughly, but be sure that your question is GPG related and not Whonix specific.

More help resources are on the Support page.


  1. Defined as per TUF: Attacks and Weaknesses:
  2. http://lists.gnupg.org/pipermail/gnupg-users/2015-January/052185.html


Whonix Verify_the_virtual_machine_images_using_Windows wiki page Copyright (C) Amnesia <amnesia at boum dot org> Whonix Verify_the_virtual_machine_images_using_Windows wiki page Copyright (C) 2012 -2014 Patrick Schleizer <adrelanos@riseup.net>

This program comes with ABSOLUTELY NO WARRANTY; for details see the wiki source code. This is free software, and you are welcome to redistribute it under certain conditions; see the wiki source code for details.

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