-----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-mattermost-14.2-jessie-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-mattermost-14.2-jessie-amd64-xen.tar.bz2 4117d7ec5787ab183be00d05f06778e61bec935442b288cc752400436e9b4429 turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2 $ sha512sum turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2 fda58e7a651e2cb38612e8bb0f5ee5053a2ca7a8e27bbd663d55324709e035413007246428687bb3c785b980ad5df977e1c1d95abc9aa422ad0431ac03f7b4d6 turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-mattermost-14.2-jessie-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZBxkvAAoJEIXCXpWhbrlN6tgIAIRxYzKj4t3JlYZBAljIFy6R 9l48vz9aTvx1Mge3GK+RDSe4WCVEraMPw8DSrk+F83hztlmoCZLYC6/e1Sp6mX2M cwUkOAcl3zCk2DhOpO7Hq2h5Ci2IS2lRQZVLnJ/FjdIs9BUViz6NNgie13SiidLj Hycyp5uT4UrbgUQIPuou0sbzjlLktoT253GwiXw/w4R0oRNcKcUxQ6z46Eym20aq KCzYyhQ7LsUKcOYUYMTyau4G0azaQeK1ForuhcE2mWSbV70fQptRJ0UARmnzX8c2 yMivJCd3L6k/fnXq9HRaWBm0hBuylm/IYs/leAzjz5cpUO5MvXcMY5pqCDLV32U= =X89j -----END PGP SIGNATURE-----