-----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-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-canvas-14.2-jessie-amd64.iso 680d45c3c0fcb3ad7c29ea34933943b65f3763b61b76bc3ae9ec48196fedd02d turnkey-canvas-14.2-jessie-amd64.iso $ sha512sum turnkey-canvas-14.2-jessie-amd64.iso 6a8f0b7e3f3481970857f0f6e75c9c3611575c2029d3925fa78c1de612e14011d913c01947a56b390bf96be1af0a905a4d038d45ffdc9274acec04c968392988 turnkey-canvas-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-canvas-14.2-jessie-amd64.iso.hash turnkey-canvas-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-canvas-14.2-jessie-amd64.iso.hash turnkey-canvas-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZiFmMAAoJEIXCXpWhbrlNZfgIANUrSJ093sHeqzlLOWVrLKrI 8plCOtmupMk/W+pWcdoKx+xuEBiPlg7RgYJI/9iUO15lR3wQAteWW2CU9YZBnXA0 5AIMefrUcFcvZA9fy48lZrdWWlAk/eBjHu5MSqtxa8PT3TGCATZLtGukz3aDWo+2 yl+bTlKsc9vT79Unjajx6mO9b99cTT/FYe5c0NE1SVLfKqBuyl70d91Pd2mJFJ74 EGTRU2K/DYMd//9NcYmnLGMy6D27NW82s76D33CF7dArhivOuvwKiJeC9PTEfXn2 ts7GHRiiUmvXF5eMdR+b+LetIFMeYTmaWdgTQMf+8xG/26gYlNDJkUdTYla7gHA= =WlDy -----END PGP SIGNATURE-----