-----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-otrs-15.1-stretch-amd64-xen.tar.bz2.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-otrs-15.1-stretch-amd64-xen.tar.bz2 3e60d1fe662a94cfa0826fd275494d986dbd6801d43a316401133c3d29147b2b turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2 baabbe08983a76cb3fce9b70c41e915d10084b1c1908a116252d6440cd00e4a16aea909811f4fd6261ed56e987af769e05e0f42cc913ed21ed3e9456f0aeeafd turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-otrs-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjAACgkQhcJelaFu uU0qSQgAsMo2S1wHeTw1hwK2oqU+uBp2oyAJwIJuhcOJxHbBlGufuhbv0r71wKS2 adbImpFpfCX9d1zzqlAOIh/JvaWujmcSdRLtCg6L/o4bDbdzoTOH4VcvQw10OPTc W2rWSbyAnYoTrD8xHVZbJDYYHyI3XOw0H87pbUtHBmWoSfHUJv1tgEA6InUA+eQB Ct9itPh+OY1GUlcyPAuh802zh3sdLGmUs1K48bY9SQE/mGDjk8B33GBlJdeQCZjj wOmtGH3qYjkgJIHtStQdUc+Bguq+e/5ysVQNoThovfYlvIQ9kGtvp+3PFYCrmvzi cqvaaLX+9fg/rOC5p9HGnohltlmsew== =3c9r -----END PGP SIGNATURE-----