-----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 debian-9-turnkey-redis_15.0-1_amd64.tar.gz.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 debian-9-turnkey-redis_15.0-1_amd64.tar.gz abba618952ed085ab5453940c3395e143c86cba8f76e15f42870d2a60ed37cf2 debian-9-turnkey-redis_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-redis_15.0-1_amd64.tar.gz b77892ecc93943236269fb7bcb94cb3b91cd0adff0eb767e2de8dd37141917614fd0cc92275dd676437049924d09ae69382c968445b3cbbb96b38dc173ff2059 debian-9-turnkey-redis_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-redis_15.0-1_amd64.tar.gz.hash debian-9-turnkey-redis_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-redis_15.0-1_amd64.tar.gz.hash debian-9-turnkey-redis_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0TG/0ACgkQhcJelaFu uU0UPQgA0VfRC02rSHfiJTIEYVZlcxR1/Oz4iHV56CtcCr/KSPlJ0lGwVXSDfO5c qujrqcxUtu1Ozf73h9BcmuW1d7mHqaqITHVonnbjlUwFZwamWQt6cCavot+/y3Oo T2GmpxUNCCb510TSpZQnoED9LiTqnyoZtIVU0LWi4ECu2zKMyeIVZh0j69Pgv7W6 Rc8fLNiPGrEJC0DTOLH4KYdZsNwJobOIlekh/E03aG3CfYe+Vr7Hy2p3jBLkRI68 +Gi62xct04azgUhAp49B5Gg29aykOY6SuqPerNTwDdC1APSCJNB2cIylfXoNrHBb liONWTSb4RcwBVtBTZbEPCOJbs+DDQ== =5Uuj -----END PGP SIGNATURE-----