-----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_15.1-1_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_15.1-1_amd64.tar.gz 0781931f85b8c8d11366886fc828440e3f237350fc75b3d5c8e237b7c0a58ad5 debian-9-turnkey-mysql_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mysql_15.1-1_amd64.tar.gz d16c143225d4faac509f0363339fe02ede2030c990aae05ad23a7093a29a6b1c219636fedd9b026c0efe546eea2a63e58d46b9c476c5d58eeadc4ca2dcba4da6 debian-9-turnkey-mysql_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mysql_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mysql_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mysql_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mysql_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phAACgkQhcJelaFu uU2hzAgAyMrMm0RxeVZjzdOBxOP6XMY1ziYx9qTs0djDME/enzabgrWwl2DTDHgf MCjh2Pzfg9g6xueo8IvOP7MXX9QJoMdtHWc2o2ZSuFBowjiOT/B/xBy+wBnveVdc CPJjv1vc4347dylEyl242FQUCX07sjcH3glwBmvz/7W3Gx/yLU9OnUQDwxdRtHEE TQ/lFISHigfqdGQWOxRjmaxWwyNAF1V4p8daCJhQ4VZ6Gy5aB8rlnRp+5zk9gBSu 7fxMkZrekfYny+jGLOg7yAj7a1PctXHyvk3hEehpm5TL/GLLyIjcrmTi+sqRne2k R+Ay+0tCxLkXBxUO2wD2r9rKXfXGVA== =WhuD -----END PGP SIGNATURE-----