-----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-nginx-php-fastcgi-16.1-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-nginx-php-fastcgi-16.1-buster-amd64.iso 197f8a9d5f5a8a5d944fdbc9b0c32fe1275d0f15336902c50b2735d9e09ad0e1 turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso $ sha512sum turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso 40e7d01e2c54ff077798afab82ed36bb92250b78483331156fcc7134c22a9e3e493f49a273f469743054208e8530bffc9a126a6e83689a7853c0a9adfcc0d10e turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso.hash turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso.hash turnkey-nginx-php-fastcgi-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2NwACgkQrF6wBJPl vBzBmw/+L9kEEBQeT8WlH3F2wZ9NEINs01FVnBKbjV4wq8t3ACEIhl6myOIu7DaY vzkAuad1KMYthq9ITIQV/H3Uf4iRiQPZy+mwtBzSdBdVGHZb9xLvphf8qC06QS8w NsqbtDflOj5EWnMMqaPGCn6cjxLrFoGQR9IH7ZYauuqEKUcCKXrWFSGkjMS5ITtx FpamdL9nMqLRzT11EWjDaNXxAP9mpfyJ5I+whLEVLnhbhgWFfPhDEsLRy0skC/Da a4Y8smM0Pz/NPGmO1aPmw2fLyXgRo4862zwoe/UEOwvGp+zKjjm1RZ5lqqpkVkMd UBG+YBcXo6H+X/0eOzd8fIlH03/eTCD2rcjkcNe9wDOJwzvcbaCLYpVYQ4Jf5+Xp 9o1W3bDq6Ghgpk8rgW+rPZskDtwo+seyBogjEEWCwrGooiXlDFPq+Kh136v6pVJD EJcL05M/qADBQpwcMNf/w4kJHQhbVb+0sc4MnmnUG/gWr8Ie6IBJTSvhZqzFOuOF eUOJ/U/JYUz9wA6b1rrSZj1EhdmP+oou4//2fpk2/2BrsrP/x9VFGEILvKNd5f2b i/KIn4Z0OCgWP9gwDYNe/alZSkYlP5PBYAnPhBrBEe83cpmUX/gM/eOgN028mZJe mM7+WqyQc8khnQqB9fEd8NUh58Kv5LJ4yqXFo0AvPqhXum7GvqE= =NgaI -----END PGP SIGNATURE-----