The warrant canary is signed using a PGP key. Please install GnuPG if you haven't already.

To verify the signature:

  1. Download and import the IVPN public key from https://www.ivpn.net/resources/pubkey.txt.
    gpg --import pubkey.txt
  2. Download the latest canary from https://www.ivpn.net/resources/canary.txt and verify.
  3. gpg --verify canary.txt

You should see a message similar to below confirming the signature is good

gpg: Signature made Tue Nov  4 16:23:00 2014 CET using RSA key ID B647BA69
gpg: Good signature from "IVPN Administrator "