-----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-torrentserver-14.2-jessie-amd64.iso.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-torrentserver-14.2-jessie-amd64.iso ce209223450888916cdede43a65f6651123b0e30986af9baf8a45bf7d28976b2 turnkey-torrentserver-14.2-jessie-amd64.iso $ sha512sum turnkey-torrentserver-14.2-jessie-amd64.iso e6ef60b8f954e27657c7441adaa2764d91fc23b47c47c8f9df808e8a8395a70207b85cd052919420d5dc3049f7a1a22d1c0b8897afdfa64f9f91672480933bb6 turnkey-torrentserver-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-torrentserver-14.2-jessie-amd64.iso.hash turnkey-torrentserver-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-torrentserver-14.2-jessie-amd64.iso.hash turnkey-torrentserver-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkpAAoJEIXCXpWhbrlNg6IH/1+OZVRZtl9MC0G5LQlaXVmL +2lwCNenooyziNvRkmuJjXdO4AuyCs/iDTJl5lgY3iHobFT0AM5YWIjTBcAHjPwX GFEsGwPRYdNCloACoY6MGXT8ejCOHr5JPnGW8kTT67+PdO4Ok3qVd5N10+J74YT7 su1ybMAnABaobOnn9/DBYhCAU3lSh595fJCCWnIIO54IRIMfSfIXHVhhvPLFINrT iL5TkvYnTF3UjdId3rGwY+kZQSvXG2uuc88q+70FYsPib5LuzcHGsFc19VaiS4Kk bVo1HORIlj4WiAw14+YGBCgLp3o+dNMP0O09QHNXJw/RlntPI0J56PJ9vqHjkiE= =zjak -----END PGP SIGNATURE-----