-----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-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-mattermost-15.2-stretch-amd64.ova b621c648e681092aa59b1b6cb8f4fc8295ba5b7fb21ab0c607669212e8d592dc turnkey-mattermost-15.2-stretch-amd64.ova $ sha512sum turnkey-mattermost-15.2-stretch-amd64.ova 1b8e96833be26c7ff31b68dc1635698a4ffa3de35fa64a2000a363538d3bbb12464aca78a3e9e6812fab2ed9508f09ec5b674818b9ebfbddba6a71a076494e10 turnkey-mattermost-15.2-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-15.2-stretch-amd64.ova.hash turnkey-mattermost-15.2-stretch-amd64.ova: OK $ sha512sum -c turnkey-mattermost-15.2-stretch-amd64.ova.hash turnkey-mattermost-15.2-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlxhNv8ACgkQhcJelaFu uU2q9Qf/eO8k2jqDReNW1lUV4KMXr/gT0xbqPweuRtLeqVPjfdSiy0vDj+AREJ+e TauudphrXRqZpfZJR5HG1/cshhR5e8ZHCbY1Qo0AHzePiyX6+vt5lgfTyJjvNaaG 0B5C+YTTYqNmyLyrSrg4rSJppRULmp6QwPaXOGPctpMcyNnRGcRq3SGdUrMpRYFO FoXaG3tQ6+/MpC0GmSmMK/WaYHZ+9KQcn/s2SKFf6DgHdG6Rn1t3g3yRJ5I4yhlA 8/mlYASenjx7LTkJ6F04uFZhxk1mzENd0B78t+3lnLV6OHd3rjbu/cmv/tqUnp9s tbnOYbECTNjYP2m5pv/Qx1qtpFpSNQ== =9MMj -----END PGP SIGNATURE-----