-----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-rails_14.0-1_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-rails_14.0-1_amd64.ova e247dba7e89185cc4f10bbfe137140d4 $ sha1sum debian-8-turnkey-rails_14.0-1_amd64.ova 31bdeff42fa99a158b68c43d86c35f61fb2a2879 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNM7wIAKjmst+OqJJzU8ismbtpDSMK FEI/W8iGThx5qoVpruiG1WGcw9cufPI8Gv7Ep7LoWyuUfXrDyrzxHTDFWGo8LgKZ HfmuDsWaFAsZmgCfpACXWPiXEtMuc2S/8AeCoO32QimpgGm0fJtBGu0Qqd/GF29Q 0MJQKFjN+gZGE1HzDm5W9V/otLklSX6I2S+uYqIDjVXoQH+SpHgt2Gf7qfY2eLFz NZoAtaVCWIx4sibl/9iMXyBsUnOUVJLFXfu1KH84h2oTkUgaez0oXGZwbZ75xYjh sTWV4SmwqYnIf9n35MpaOEIrmmwgz8+egnPxjnaYxKjdtb6HDYSc8lrQde1VOHE= =h3xy -----END PGP SIGNATURE-----