-----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-jenkins-15.1-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-jenkins-15.1-stretch-amd64.ova 9849b3e4bf78bffe15d3bbdcc9abc0cfb24fcb80e4a5daff4c973222b47113d8 turnkey-jenkins-15.1-stretch-amd64.ova $ sha512sum turnkey-jenkins-15.1-stretch-amd64.ova 445fbbf6ed91dd57200cd1f9aaf21d021565462e02c56194d18f533ce8048bd35042b216aabbfc176525b3c76fe5b4f0f347b2fb8b3a991c3fbb1d354c0a993c turnkey-jenkins-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-15.1-stretch-amd64.ova.hash turnkey-jenkins-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-jenkins-15.1-stretch-amd64.ova.hash turnkey-jenkins-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPQACgkQhcJelaFu uU2sAAgAxvmFaut1XLTzGDVCCwNBLI2SVJ4p8nHX5LPFanCflqi3DHDi8TgWlrof Im8rl1RDAkrSZ2P8PLqIV59bJtpGnQx6lbN5UDJaUKmoNGawLTsXDc1aJBmUyNPe wsu46qWOMXiWVWL71avdjMmgrfRuguDAHypzMv5IOBGF90VQhWA9oszUg+/DoYDG rPRmBCrOn+xnqwGSRtMNHrnN5xJg0qDkHWGXqb2faQP+hdslbrSVZihzF2fM5FTF S9ueymnzlSeKtNORVdtu+BOw0tmOQjnCiy9yooLVuHj380CFnqK4sdUWI24BlTOM 0O5WA+4zUp4iC9+q/B8X/P1d3Z64HQ== =MwSU -----END PGP SIGNATURE-----