-----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-gitlab-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-gitlab-14.2-jessie-amd64.iso 82f1781fcdb82da08a08eec8def0e27016dc8b68ee50803d0004f00435646f11 turnkey-gitlab-14.2-jessie-amd64.iso $ sha512sum turnkey-gitlab-14.2-jessie-amd64.iso d2d37653233f4db78ce81b0a226fa0f88a8b5ddd3159a4373a415fc976f9ccdcad72c68add3cd0594ec2b48aa451850ee498b08ef4e6c30e000ce1d87a99cd96 turnkey-gitlab-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-gitlab-14.2-jessie-amd64.iso.hash turnkey-gitlab-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-gitlab-14.2-jessie-amd64.iso.hash turnkey-gitlab-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNMuMIAOLij9rTKpmwWT43YOeGYtln wSSNZcl2nDONo8lO8mLbDAb6stfriAWatpccveRYPxxQQLXzKUr+8IYaC5vKNxqG 1vuZC1At6cmv/VEN1fsfxsJXmgW518s/YaWBroYI07iIcuzv8i8oyApR+ceIDqv6 V3iEKp9rJw+vd7d6jjuikV8H8glzbyx7qB+xmjjEVBeyL41Lt/r6QO4bbTtZhYLn ycn5jP76gHCGgGFun4b4FLm5jEoP9ETGg/fASXR1iz4Q0STDqZ8t1vH9oQvFxGtZ bwsY3weMyUs6Wh3GbC4Xd2eApPC7K2rRUbZ50eeLDDCg2Kyu0y297lSq9TDCCQ8= =kqc7 -----END PGP SIGNATURE-----