-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-postgresql-14.2-jessie-amd64.ova.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-postgresql-14.2-jessie-amd64.ova d7f929f3ff9d6f4ee64664c89ef5ba57fbf6cd1484da9d2090708831eb54dcd2 turnkey-postgresql-14.2-jessie-amd64.ova $ sha512sum turnkey-postgresql-14.2-jessie-amd64.ova 94daa4656d6356c156d8db4270d1070ccec0aa495a8e63232ab275c2565ce926656bd38a14c1e9522533e43f75028fb518ff9bb64b3435ae2eb098acab9d1cb5 turnkey-postgresql-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-postgresql-14.2-jessie-amd64.ova.hash turnkey-postgresql-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-postgresql-14.2-jessie-amd64.ova.hash turnkey-postgresql-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNrZoIAObzKmMa5UElZG5Ma3Wmhnya gSUGJJnmfbhrRE5FjjD1BrfM9LoN2JRa5UvO4bJ6izAkj8nq/ZF23sgNfHcCgtHu Sa5nDKhSxU5ZKAPz/NkjlCDrGc438ogXFUohslMPDBAX02MiY89Yk8+DzfTbs3h2 ZCyafohBWiClFfY/N0PNXcni/3ANl92hqHGtn4//jaAOzdxaqyveecJEVGkVqBuP xPD8LInqZ1YZa+4A+dOwyoYVU9bYd5rFDIBLgoEo57SWLRZN7M5g5OzF9RgIJkYu Yp747FFtKltM7PeZAtqTUp+pY+cxP2jIsQH0e44g5xexuOqdJL0Jrb2YLnhwAQM= =Ga5w -----END PGP SIGNATURE-----