-----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-gitlab_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-gitlab_14.0-1_amd64.ova 7ca357e9bbaac176b36badd5fbebe34b $ sha1sum debian-8-turnkey-gitlab_14.0-1_amd64.ova 1842f0b48d7db544ce99061851678cd9cda21905 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxSAAoJEIXCXpWhbrlN68wH/1w2BlYkV/Ca7nQItYOcAGRv D4fbSti+ZC4C5ZBKely8DCgWF1PPcug9fJEBbAOLF/kp8W7h/mdC5oMLitA4Deud BQChyWm9zr49k9A0YQP3WovXM/Hnf5cONgBIgOdGCTvBprROpJeUMNVkjkv8f+RM f0aF4eHQYS8Czxx11SVjKnphkLabpDYZKKtMG3i84Ere0rSYtKdCt+F8XXSeYe5m dKddtOokZq7dAE/QllkxJmuKn85zVLa9GJmCqYeRvqP7vznpg50E1RfApz0TBVBV /JauEqtVl/DhbmIybNCty5pCiJRxBcKajBXahxTI/CqhRchuDCcNnVnh5KmX6OM= =K16u -----END PGP SIGNATURE-----