-----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 turnkey-mysql-15.1-stretch-amd64.iso.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 turnkey-mysql-15.1-stretch-amd64.iso ce7c24d87bc6081109268cc52ebe1e4779f4c30779bacaef6e8c68f4158c366d turnkey-mysql-15.1-stretch-amd64.iso $ sha512sum turnkey-mysql-15.1-stretch-amd64.iso ae28d6aa0aec6458564ab51a3751e60c74d15a460798ef3f3bb9967d62f2baa7361aafa61ab19b9b55e5868bffa30ba05b58c515e5ab79826f018de06f5ef489 turnkey-mysql-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mysql-15.1-stretch-amd64.iso.hash turnkey-mysql-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-mysql-15.1-stretch-amd64.iso.hash turnkey-mysql-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pisACgkQhcJelaFu uU0dawgAhFWJZfaS02y4puCe2ysvvwxhHflcRiKs3v9qQW5j3q5Rk9s44dtx50CI TIcW0zuvmjC0tEmisLKswp/vXVZfO3h0fl+1gw+jJTDOzDxrDpu/im0YCF07FeUV eGd3J3N7nMMupYFxDU/Mq/ys+c4xOVJyeIEpb14Blzag6gyooQvbOd851pFedlTv GhdQMX4I+dVbT6f0guuMd15Sq6M7WrZOX82UN8lyeJyWjXbmSGJ2JhXxpJuvzDy2 d2YBlmcBAQyrBwjwIY8NbWwEOpjLVvv6aOVTqH4PVHNrQHTiB58pO/1sMrfrYanV O7WJAH9JvniX1cS/z9qHY4XNSdiuTA== =WT1o -----END PGP SIGNATURE-----