-----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-mambo_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-mambo_15.0-1_amd64.tar.gz 7a109cef04a30bcef52aa875688f271824d51bdbffd6346e91872816f32acb4d debian-9-turnkey-mambo_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mambo_15.0-1_amd64.tar.gz 712d95be8df866133425793c52529ac4da1896eaa03dd7cdf2d3aa5f516f0b7c86ced4b5698e9127da1d24b463b0acd903ef8b6df856f7ee38817cf8a895950a debian-9-turnkey-mambo_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mambo_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mambo_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mambo_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mambo_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9cACgkQhcJelaFu uU1p5AgAy0JGdj/mmT6UUpfHS2VH3XcUoD+VMdeiUvyjGZ0hBLqfVVZxPt9yZING whnt/FI8J1+ITBDBWL64cXGu2kWxDerPiVolmBJbnus4WaLva+0H/B62jcA+WxHa kvyWMMx0rZmvfC6zKD6lb9mZJ+iMF+sKCehiyutdeIqCf9yDKNfqibUr2jIAE6wa AN2ueAFBiZJyVKwqFimh0w9JfMXbovzBf1jOKjAw10rv4qGSX/Z+I4WI6aa9GMdL /KOTFtv//lIu6rr6yaxrIYJF/CFlLZiQeSSJpY4QWmM3YtaJNUkHqE86LdH8kh+P VSCPc1lbzt319O+R3hdGXtV76PqpfQ== =thYg -----END PGP SIGNATURE-----