-----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-vanilla-15.0-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-vanilla-15.0-stretch-amd64.iso adc79ccc02b4071b20d21bf7ee09b6b202c119094b6f35bb45a6a48c04134021 turnkey-vanilla-15.0-stretch-amd64.iso $ sha512sum turnkey-vanilla-15.0-stretch-amd64.iso 8cb1c6b57ef4b8304bcc034e543dbab6990c8f542152604f6eb715fec680c0c3661ecba7df6f4d947281b77fb69e6f32729a993248f150871839b9fe22d6a619 turnkey-vanilla-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-vanilla-15.0-stretch-amd64.iso.hash turnkey-vanilla-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-vanilla-15.0-stretch-amd64.iso.hash turnkey-vanilla-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITP0ACgkQhcJelaFu uU1A+wf/SCxfYBQxszFItGXh8MaO04JtrIeEkyEpvbbkylUiUG9LnkmBAt3uEg4d PMMVQB/Rsgw53U5XsDapjn/OH02EdTBfnrv8/lipDcL4uvTfgB5/opoHWnX/kZXR tAse4u4AtTooZ//Szrvb6i2hTYij/kCj7UvkFCMhptg6agXXNbzc9LNzM0KtUiUo Vm59bfnGhF8PuOXeWGW67osvv6LTnuBZv/aCKGGcCsFIljeJGPvqYqyyrDFxaHIl TCbhAWK2WzSJtV2PTO958bwKQuo28DLmpBfQ+o7vxVxkWmTqWlOLPxnFZsA7kJuj 5tsNIrX03E8dP//MMyVc25Zp8ABlBg== =1Jb2 -----END PGP SIGNATURE-----