-----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-15.0-stretch-amd64-vmdk.zip.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-15.0-stretch-amd64-vmdk.zip 72fb77ed171306ff6587a930192ac3a61fa9cf6e4da537a36c102df998c7b317 turnkey-mattermost-15.0-stretch-amd64-vmdk.zip $ sha512sum turnkey-mattermost-15.0-stretch-amd64-vmdk.zip 40e067c0ede22715bc5a6113ad8168ccabd6874719b90a66a5e1e283c5d449489a474e7d73df209700b7937da7682d49c1fb2f250fadb7091dbbb3b86fb0f7d4 turnkey-mattermost-15.0-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-15.0-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.0-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-mattermost-15.0-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.0-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++QACgkQhcJelaFu uU1YlggAvNxbySXj6Q7bbCQ8vU1830wEXw+YHwDTPkDCXNxyrV9EKEOCg8y8sqr5 kj6p98Sj5LYqroxHJFS3m5gskEh9dtH7Z6DQQRc+B42294nlFeBUqCgyJf2fIoMr nwck9H7sUGQbQx+dgXCUTOUuFF+uECN2jLoOuP7laV6V1Gl43kQZNugjEkcOVE7n 5vKzGESq3SkZ2OoTXTYNzRKhOP8qiz0uud/RKE6Nywwgm7eYVmjVgtwRvyYXeIQ4 Y3UAYZ4huspdHhi9QoWYZEWYkkLgdLANLWhXI+tnGuhvDeLfQlAy8l9NjG3ybc5Y Yy++EyW0QtOlg5mKuzwZNLBOcwQ/Rw== =kY+A -----END PGP SIGNATURE-----