-----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-mediawiki_15.2-1_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-9-turnkey-mediawiki_15.2-1_amd64.tar.gz 3ed977fe7f4f635074857a813fbc8702cc646a1843b6e3831af066232f1ef28c debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz 6c73c1874e1f6f63590264c90cf9a94e5acd02d05a8c8e05468f04d6ee3d9e6dd48a7b665a5bf58f807f3a4e0f61e0b55cfcac3c9bb571e0a9f53dae8068fb65 debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz.hash debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz.hash debian-9-turnkey-mediawiki_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phAACgkQhcJelaFu uU2h2wgArkfc9zJjfcu7aOL+XCEczlgkKoGLkQPoJ/+B3R/3jTjwOY3ovPWeprvX ZmTMkYfx2Ek0iuEFPk3qbMI79JvAKhwJkHFSMXoDF5PGaO/igNBms1EwapSzeKbG rb3pPH5qAOL9PtoDIqAyncm/J9UpsX0yYm/zlnlF0PL5xvJcT6ZK/0aV7vl2Q2qA 2Fy0q2FpB8x7OLNPutnSfoUkwkMwQEiGN4gvYNfT4DOV62m2tkN2QcaY+81/8ic6 hYv7xpNNCan55XxvHXnLEoQ4WVveG1pglQ1IttwDBodNbHcFglhp682KE1ymYy9G zVrKDme5HPXH3xKwrjCtsLYeGldnMg== =yk4C -----END PGP SIGNATURE-----