-----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-8-turnkey-roundup_14.2-1_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-8-turnkey-roundup_14.2-1_amd64.tar.gz 5c431d880238628f75421a563d964973c3754f5e65e21b2e919e3f06b3784569 debian-8-turnkey-roundup_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-roundup_14.2-1_amd64.tar.gz 9528166f7b44274a8230d808bd437b6c99586df2ca355259f6909e3690c5bd382853c1326ab0555a9834c04d2e151308c8d33a0b2aa01d1c43162078ce826ffa debian-8-turnkey-roundup_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-roundup_14.2-1_amd64.tar.gz.hash debian-8-turnkey-roundup_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-roundup_14.2-1_amd64.tar.gz.hash debian-8-turnkey-roundup_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNM50IAJAfMa11z/iLGyEa0fFTYow4 lJ7u0MRx38vKT04LadJuGmUehXBHu6dvcpNfxuL4m7eQxsxT439yX+xW2vguWql+ nlOXIppVJgGC2tI61RukX4SEWA8LM6e3m596W4SrpLZy90cKu0h3f4Rqf5blApGA g95rIUTwnCWrah+omjGxZso9w43IkhkRoYbZWyymojUCeTQDbgfEyKlsocsY2tKt Sg7iBznChr0OFLfenbwLs77JNGYkowTes4OuZDC3w2Gw1vMsOHrTQix7vUGymg+E nokuX99z8zc0YtCY89AtpKQhsuqh2QScb12UBQ6QqulIsld8G44IOeinzokyRA8= =PZlt -----END PGP SIGNATURE-----