-----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-15.1-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-15.1-stretch-amd64-vmdk.zip f6c796a633db48a66e4f990da2e0855b6d09cf6e98b713d15222715c4c7a9364 turnkey-mattermost-15.1-stretch-amd64-vmdk.zip $ sha512sum turnkey-mattermost-15.1-stretch-amd64-vmdk.zip 10b2626fce04aced6b1fe697d372e539558c5824e019237ca1bdf448fb97055fdd42931b514fa20c7b1f6d0b6cdc469de7ec51328788e97b819bd2568d056553 turnkey-mattermost-15.1-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-15.1-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.1-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-mattermost-15.1-stretch-amd64-vmdk.zip.hash turnkey-mattermost-15.1-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPYACgkQhcJelaFu uU0uwwgAmC4IOetehgMxh3VlA7f25FUIKYiPPBlaulr3VPdr9Q7DAaLmPtOCSlES 6H11O5JcCh2ocvAOjJ5h5ec4B7R9xVKHfp4zyZvyqg3m0kCoL2rpebTgyArWwgoY jo954iHQTWiGSC5vfzfpbQzN53wwicwchhfuaXdA5dT3dLJLqS/1/4juCMq6+dA4 xZUef2a35kISuA9b7bmmgbNhlsVEwE2Zp3lHAjOM5A86zoII/ZE3ohzs/4WCxxmg bRIIxGu3stA1n+3/uXWsbj5Hr7pSBJxhF1+vLZfXSigylvRS1Piri8rFcCEIiWGh 3Eps0Pyiz1d1Fbaf64fXv8s3AQuiDA== =f0kk -----END PGP SIGNATURE-----