-----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-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-15.2-stretch-amd64-vmdk.zip bc0422b7298983e239ddaebec1cf561df861589846e6462c05b8ec49071a6472 turnkey-mattermost-15.2-stretch-amd64-vmdk.zip $ sha512sum turnkey-mattermost-15.2-stretch-amd64-vmdk.zip 74b5cdfb5260c6831efce5312b9b13c3de234ec5d389381a47fc51b3308d3bb8fdcc849a148144069572d842ec3c62b46fe66ea14a8cbbe2b54a8b18b3c2ae21 turnkey-mattermost-15.2-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-15.2-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.2-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-mattermost-15.2-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.2-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlxhNv8ACgkQhcJelaFu uU0Eiwf/d0yT2M5bC7G8GcMcDXw9qeSM8bT4is9Mb/UlI/jxE6mO1TnydtVi/17J v5XFZF6IxrATge2WAFHIPtQCtuDWserKWZfgWUJGMHmHZu4UO8mwlUcEDZfCZPgp 5sjmRa73FvPUGzljsGeylrLMJi0cWmkjrOGHYAV5RsA1TA/kwXeQxokkslstg5x3 6sElNJqaKyHZpZHKeHXcUX3B/GYiPTq4DO99yOgNiAEdm0lzOnHcZwYxqFUZtFjV hQ4PpDAfemiMk23VWuTgAaq9jrXyM6NYgfpSt0NLR/YBbqtKho2zCuFfVX5bowWy GpRYXrM078AssfNrzOx1S6JBYXZSTA== =AQAd -----END PGP SIGNATURE-----