-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify debian-8-turnkey-sitracker_14.1-1_amd64.ova.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum debian-8-turnkey-sitracker_14.1-1_amd64.ova fdc43350bc8ae3b87c1434c4b4bcb6fe $ sha1sum debian-8-turnkey-sitracker_14.1-1_amd64.ova 0a1c8ee91cf57ecbe4c60a5aac45c45a98da4730 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnuAAoJEIXCXpWhbrlNbC8IANCue3JL3m66WewhLHsxiKRN yvsvvlIE+qHcs07obaR95i1kYerwL8iYPdoz/2BMXTrEPqzeJAY1AVuTbp7rV8Wb 6/qR1rtGeT4zObUzhaR5a+8HIQlkrjrFA1wPOlVH3ni43VZYciIHnq0re1upZWyK hqnBb8Yo+FRX441d9X4lhwoDeu7v95MHmJjziK5WIgiiYiwplW0fI1EKwchSyV4a AEuuGdz2T2GhwUygDK/YttjYHE9M/KMSP+R09pLGKTD8P7KYgmetDkI0KxXC/njP O25gYDuTiodjRwi745RsBxbgz+AMrfqOcptc+qpsaJB/njAcAfw8WEbznewuirM= =DCMX -----END PGP SIGNATURE-----