-----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-foswiki_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-foswiki_15.0-1_amd64.tar.gz 16965784bc1242631b5c1ff99c556cceb7dad1d4e7ebb67d1bc94bd7a292a920 debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz 87c1985f2bc1ff6a01c9bb2c25bdfd63c5b54bb265f8f3c0bd0d91dfb5c17fa59506bcaf382fa9278e21b9615181c6046e42afa512524a9de1ee4e7bdc829c65 debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz.hash debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz.hash debian-9-turnkey-foswiki_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9UACgkQhcJelaFu uU2iLggArBEOTozNha64IfBV1ruy/6WCjhqM0Gey4v1tD8+llwreqf7lop6EhOSf koCR/75lw6DsNOxnb0cQujA7j2LqJa2LVEnIGsgtA0WbT6E3QRZdN/Pw8PcEfM7B FwBhO7fD0/l00pCvqJrFEqEGwNB2q8859lzXgsOl2AGycKW3NM+s+64ZzdE6r/eL 8vpMga7iUyAeMV6o5uLHkLt71ypP84Jqd+iZ3GLVpNZ//NQhmhYqDck+WKOhG631 EjKKgceo49Q+FCSljjflAn8ybkPbbLkqkfU8gbAuOANx71LpJ9A+04MpbAlnRixb 6egahxxlv+RXhPb6JabvaU4sKQZvdQ== =n+W4 -----END PGP SIGNATURE-----