-----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-canvas-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-canvas-15.2-stretch-amd64.iso 3d6194dc2ee852773b6f7982f08f5a765e9e1c8d4cc2919f3d12e3e804778bb7 turnkey-canvas-15.2-stretch-amd64.iso $ sha512sum turnkey-canvas-15.2-stretch-amd64.iso 00a0c34c237ebab4b7da9ab2d3ec71b7da4ab50efa30a5da553eb5ae4fc45b807475678e11e85341b3605601d7598d1338875deb4d34758d2981b293d93c443a turnkey-canvas-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-canvas-15.2-stretch-amd64.iso.hash turnkey-canvas-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-canvas-15.2-stretch-amd64.iso.hash turnkey-canvas-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlxhNvoACgkQhcJelaFu uU09+QgAmb/gQHloqLZofWCaCUT4EEC81gKLhFkmyXWlig/ntK8WTmOewREs98cP tGOKm+KUu1KwXRiriwdE2IvmZisaAmKEni7+TxNELHiHX8xvaJbOewYiCzQIzwc1 MZ8cc46CR3Ulng7h0eeUU6jrMBb/in6/h0y/LMBOadIaI6PSLjcPfroja1/2ELLx XN1A95T+pk89unToeq/sLMrAf0qEablY4hVZHgvB45XFSy5qeA8rmcfvvGybipeV ztNandv6DAEqRmtjckMD1y9z6oFL0yRwY+3fa9XoAf5RWX4oBhMLGe2IaqwcwN4s BS0Gs+OPRs6qpzQMerc1zqP6jXJT5g== =Ad1I -----END PGP SIGNATURE-----