-----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-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-15.2-stretch-amd64-xen.tar.bz2 40537046815f057e9ade46a0928e42188e9dd89cd0a03f240a1211829c101295 turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2 62f28b73681af9bfafd39c9e6a62a0dcd37e67a0c84eedca6220901d3598079ae3e33116000ab83d76f220adc8f8f4ba42413dd8092b3f9f8e1795154136524e turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-mattermost-15.2-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlxhNv8ACgkQhcJelaFu uU1PHgf/UhdVGA5uoSqQDLtlyogDRWxT9uWTX76dou0RoqIriIqDDcLgWkIhPGVA EW3h8UNsJqrXzZ7pFJW6dkt1piDA4tApSYcLQa7OhG6hnuk2M8EM+LT6/VzbeJbS 9bIEhgFskfZMi9+hy3rHG6iwJY5uKI+SoWRIC4hB1kRkfftV/Z20B3sK24fFzDq5 Luz6rpVcHAxEfZQc3EWYJKkooy1Z9XEoOQhp/bl+gGCjLKiQMkZgEl/VfuKFdPSp /A2xDYpwaXj3QXYPbNe/XVSEchvfPrGFyq2rkuaegIh7Upp+puvKnQBZRPczr2+b AUF7+Y1//7MtFdFaLHsBqN+PoArZhQ== =itrq -----END PGP SIGNATURE-----