-----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-oscommerce-15.1-stretch-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-oscommerce-15.1-stretch-amd64.iso fbea834625480ec6231bfec39da0535cfc40665c1318ef43f2f3176ffd942fa2 turnkey-oscommerce-15.1-stretch-amd64.iso $ sha512sum turnkey-oscommerce-15.1-stretch-amd64.iso b5fb4e1df9d96b9873fccc34ad0dfe6f93f63646d72e735654341bb369cdc7754f843666566b25e05ff71d628ac345b329d13be2ad6bd49b0ca4e474e81ffc1d turnkey-oscommerce-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-oscommerce-15.1-stretch-amd64.iso.hash turnkey-oscommerce-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-oscommerce-15.1-stretch-amd64.iso.hash turnkey-oscommerce-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pi8ACgkQhcJelaFu uU3AoQgA3U+Qks0AUPbI5UIDPZ80NwWX7RYo+JwHWQOjb6MU7S/sUjk5jU7RTqjr 7quN3/w7SjOIC3DNBRuh7Bc8qmdDIfAsrvEIvrZN5X5NcjzwT5UYJHE0yMp8T9BH iNwhwWMMGmcF6QJp0G103NGxoSy98NAiA+dQd5vOP3oI4HE3waYtRT7s5ZbGHhr7 7t3E+szYFFMmlecYs+XLQIuv+4GfBwsJ2nWo4l1pJxg5m8+1dgBI2cPwpG852pUK d5qhbAIfms6cp9X0L+4T4Hw90NLLAwrHhopmh0dgBwrmqO2t72mhNTziybR6ASsf bpY2r7g3pomRFvvBQP5rj6RpKHpBNQ== =H9hm -----END PGP SIGNATURE-----