-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-cakephp-16.0-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-cakephp-16.0-buster-amd64.iso 87018264a4f14fd0e1f9db8de5c70e5cb9f0cb7c16ea146a28e93da4e914d41c turnkey-cakephp-16.0-buster-amd64.iso $ sha512sum turnkey-cakephp-16.0-buster-amd64.iso dfb65fb56e852614c549d06ed9002f12a1b75ae38335e06e52dc427619c7884ff4d6adfef6bd516b105cde6c01aea9e5729d17032c1765d61c5d3c9f7114b6d2 turnkey-cakephp-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-cakephp-16.0-buster-amd64.iso.hash turnkey-cakephp-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-cakephp-16.0-buster-amd64.iso.hash turnkey-cakephp-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl66q5cACgkQrF6wBJPl vByqMRAAiSl/pehI26whjskrW3UaBbr8GVTTlvyf55/a10/D5ZJivNZKOBaDHJIY GwGoXiHzXvE0l2+1jQnvVppYeS8hVomfsWwUUabTJyaoz4jiGCpzhCgnF3RmyA4o 1v620sKQlwVnE38wll/c4+K44bRLaxe2xu31MY565HEtWoXRVnBhqdik9Kcm9+rY oljXThzAwEzxkg/iD6tAB1ucZ0qthGpBw28rTNG4PgA4uPxQuwJecWjeaa5Coppp PEfhgSNRkadUw1Jb6cY5PFZvTjhzC9v0K5692On83QqTQhTVS8ycj9sKUTfCHid/ tMJGnwqJ13eYhAX2kcO1msl7igUOiLsPorP53VGJ/W1IDxqYjTEhOAy4QIjEl2mQ yuLqsXaSDEEF+Qfe29HiemCMVpyEc07PlAoMvYpYbgfpMeFuPzD4rrYOM9hDqU0N ssLlHQ1XcGZLS04+fm7mrD3F/nJHdWfwSX42JM8WcvmPqUpAiUjfYOfWhB/HDaMr ODnNyndqu/kHq9KV6bC0JvN/I6/gfY9tHwptd5X/dW1csutBzYIr9bFQaZH+Do6P v8KPobSgYGYuNBs3jPWA4nMAfut3ooxczWUoke5K8gJuzaAsFJVmeu0m9Wlg3WSZ JvAodH3VvGGoX2XPd84fJX/QKvXHfa2V7N9Cvt4WqdpKa84oW1o= =urnN -----END PGP SIGNATURE-----