-----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-b2evolution-15.2-stretch-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-b2evolution-15.2-stretch-amd64.ova 2a1100a23a97b41b5ea5c8c7c36cd39f645ba5be14c0dbec241ad7679859dfa2 turnkey-b2evolution-15.2-stretch-amd64.ova $ sha512sum turnkey-b2evolution-15.2-stretch-amd64.ova 0a7323a34145a1b670adb9ba06ce3da1426c36ff6464cf83b3e6ccb032ca7593ff068e3b8ccbcdff24371d004b59253cdd02e2d10844d692156c78afebad9e37 turnkey-b2evolution-15.2-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-b2evolution-15.2-stretch-amd64.ova.hash turnkey-b2evolution-15.2-stretch-amd64.ova: OK $ sha512sum -c turnkey-b2evolution-15.2-stretch-amd64.ova.hash turnkey-b2evolution-15.2-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phYACgkQhcJelaFu uU30sAgAzIHKAVahJ5W8frwQtiWvRXsiw84Dw5l+ZCDfuCmvSqVh9np7fe3De+SA OuTJBzE6namWWAM83vi53+8WlvqWR8FmIg9GB6EEbAqece6MIDghM/Zle1MagrAJ SSAyXVQUYfg7LcVKToAvTn28ScJP56a04XSJszec+xHRKg5cT6zPcPQBiNSVQqH2 JgX1Al9g9bXaN1x28WACQChReJdotNURpgjxIkdFqxubiUrMMG00e5zRmypNl4rC 15TPqcTZ7hcJX3KLb/0QrrDwHl0IsTOVc157isbfzwF8RbNU6yL9xUA2g7P/eKSS SCd6YCCWHzUdvUsBIFaTmsJjTLPDtw== =OGJB -----END PGP SIGNATURE-----