-----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 debian-9-turnkey-phplist_15.0-1_amd64.tar.gz.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 debian-9-turnkey-phplist_15.0-1_amd64.tar.gz 8e94b077a95a2fa59769f874a067d69570d5e0ba11d1147cf19adedd2cd2cd06 debian-9-turnkey-phplist_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-phplist_15.0-1_amd64.tar.gz 0c5c6a230c0dcd92f176f565d5d693b8b0329a18dff59701e5b582f2ab3c8f24ce144ef8b7fdb9fa234ced9a45c98278161e5937a35ad7ac92df4e1e59d5e8a8 debian-9-turnkey-phplist_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-phplist_15.0-1_amd64.tar.gz.hash debian-9-turnkey-phplist_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-phplist_15.0-1_amd64.tar.gz.hash debian-9-turnkey-phplist_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9kACgkQhcJelaFu uU3r+Qf+I1+y+GmZzGzji/UjWtI2CrAO+5nzGGIVrgk6TwYIyMmQavUeVUc+QlIz w0y6zlzoNuRIaaOSwbWNNc13Hig3tnByvc51hcxrAbomo1dqSB+qLStM9HZ0IiFu mzL9XH5Nzt4iDnYGMGIkzx6ZxRWFf9skxbx5nu4GcF6QoMG3efyZvCPZ/0jmUMy+ sfFCQ1QxzlWDomYCkVjI4uC+g5p6wTrC0ui2Q2/a8gAV7PuDuhbOsbnCRr6n/bT/ Smt9fRqI8eW2Q9ymo09T3ybKbami3sNJgcogci2Jclckb2uJpCv9HfmZx0iUmAmi 6r9S047J2qxYnFB9dd2OYapS9cRGXA== =LSjn -----END PGP SIGNATURE-----