-----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-mibew-15.2-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-mibew-15.2-stretch-amd64.iso 5d6c979ea9e3a16eb14d20eac1e21683a1c6a5e5a6e164a2e342c5d1b96f66e2 turnkey-mibew-15.2-stretch-amd64.iso $ sha512sum turnkey-mibew-15.2-stretch-amd64.iso a0dee315c16c444fb4faa597ed66d87a50fcda21e3a59afefcda58209a41cb5cfbe17ddde630ac77b5e31a714fbdf853b892df0a5e9957af5e27c60b1b418ced turnkey-mibew-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mibew-15.2-stretch-amd64.iso.hash turnkey-mibew-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-mibew-15.2-stretch-amd64.iso.hash turnkey-mibew-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAEACgkQhcJelaFu uU3wOgf+N5Rsj2U82lELztzj2PoSD2mZ2u91aHl+fS8Gcjjeac0nlFRfDz/3Q5/a 9BKgoWoSwtEKFuiNXK6N3iwP7x1hG3lFZwpF455/k7zehPJ7gbIup9Qh/ys8jfNJ rKb5OHUobBC/vezjabt/SLXgt4AN2BxMtU63ST8A9NTDOD0QAvO0/KEqrDq9YPbn HgLJLX4a2hanoaMhObtqwSEOBxvGg+3rgp88lgdx7bi3e5CjHf+MuuNhXGIDLCO4 CBW3hrtN41Jy5t+AAo4cVRgQD8qmqfBjO38Orb2j9cmiIILs/K1CtfgyIeOuJjwg G5pAODv9vhcByTlMh86qx9UOWbH/EQ== =c1pk -----END PGP SIGNATURE-----