-----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-e107_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-e107_15.0-1_amd64.tar.gz acace0af6d4ee0a1be9f08e9d97fbf8bb603ea1730b2a3545b3f0160dbefc14e debian-9-turnkey-e107_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-e107_15.0-1_amd64.tar.gz 6b455103ed6e5517a803fd417f7047d6079271fd7716102972e95e9b349be33d848109f4e5169801f41b270c03dc00763f5868f0787b29db6f9ee361b48d2104 debian-9-turnkey-e107_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-e107_15.0-1_amd64.tar.gz.hash debian-9-turnkey-e107_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-e107_15.0-1_amd64.tar.gz.hash debian-9-turnkey-e107_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9QACgkQhcJelaFu uU3DuwgArQVftYcolMk5iuQ9kRhKXolAdmZQodHrb1rYLHNJ3yrU0sPmk8LebggH SGkVHcC+8jLj2Awx7wp4fIswb5aLO3jq6OOIv2Qva2Y2cZivSC4BzVqjXa8hy79n mzR3XdGf1Y8t3t3zrmFy4/VLI41gfp1DqceKilSV9+ayJ8hoS2KN6Cajy/TmKQ/+ oUijOaX2i8At3v7zp3RNN4evGt9udQFK+kSnMQ15u+fLJIjpabijMA1qDPTSOYXu RODUi32IaoTYJeW5zZlWaE12GmP78WntBUeb27V7xRyeGtcS3iG7JY7rzttDIypk W76ZfvTinmb1LyPYBKx79YmvJo2WCg== =15q9 -----END PGP SIGNATURE-----