-----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-mysql_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-mysql_15.0-1_amd64.tar.gz 714f077fcb56c81aeadd302c2b3a582386cc2c8c753a3b453a57afa1866a9f2b debian-9-turnkey-mysql_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mysql_15.0-1_amd64.tar.gz 89a19daef219ced4e78d9393d82c3c7d1d76f0a48aa3a48bc3c17d05dae01fbc7877f29e6216a13548b10094a9c71494bdbeb7b4a2991cd5ed32ef61cd972b8e debian-9-turnkey-mysql_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mysql_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mysql_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mysql_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mysql_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9gACgkQhcJelaFu uU3DpggAq0qbPWhMYRqc/iT7VL+99/658crr63uO05eA3ekUdE3x1L98HiCYXXY0 9t9MTXbol/9LSxVj+nJNZusr4ovZNlw4DitRTJ7/2KygckfyKPGfpWlsQymrlFYY zlPHtSQY7EfuTiHTSd61BjYYpmIXBQVj77W2Y9cxT2q2sa5QpRxpJSWv7UjYOrX2 cEB0+/xruuhI3Rj9BAB9f3rcvcytpkv5xQ8Phz0lCM75p2EOx/gLuQeSq3HUwCkf Qr6cr/h5lboNZzuRJgrC2QNRDmIgvZvIUeZuBwe6XCAgxfywnGJhSuknYGtSbCfK O8VBqlaIswdzweJ/OCQ95Trv/60sCA== =iv+n -----END PGP SIGNATURE-----