-----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-phpbb_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-phpbb_14.2-1_amd64.tar.gz be7b8e78bdf87b16f9f0768de03c2970cc61ddd8ce886fa5da688bec72030e9f debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz fb28f844db7a7cb682be6ee7aed51c5189486f8be129b3a0d3aac8764dbc28b3428e00a26ef21361516dfe7d80f36f1700673d6da93639c113395bc5f26c79f1 debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz.hash debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz.hash debian-8-turnkey-phpbb_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo90AAoJEIXCXpWhbrlNyPwIAMEHWOUr0OpotsDMQTLz37Zx mCxzX3ThPY0A03SCehU7NjcMZwn1/NZaRmmRD12uF1OTDyrIkuAUUOib0ZZ6npL0 DAEhiW1eLo6qI5mCR5mTu4coeSt2WBSilxNMV6E1FOdF3HiNojfBkPBPaslh2EWK ZHtDlqAyP4Q9mUBr6U4UseXIdWksHCAOPjAOE2UFL74JbfWpsXgXHYUHZw+OabSx nbnvTywQFCHJJBpZJD+SQ5zIjK0qMESD7MBzp8LxYy56MoQHMN6D8/F8M4+t32wd Uisp8rZ0FSnXyhBFwkDByDPui/p451BkMe8KlleUPMyiwHzXjiulCjZ5XYbSy3g= =Nfl8 -----END PGP SIGNATURE-----