-----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 turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2.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 turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2 6b15530b6636a2d4d1247e28ac702db75d4909c1d3a9c6ff1d4d1644a7f6a0ac turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2 8fa7b70f96ba8f89310d661628e4eb2cbca70f89a56febf237407e5f1cfa71a1d4fb437f3848c17589d301157c4f8ab07f334afd1de9eee12a7d6aea69a45944 turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-simpleinvoices-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++oACgkQhcJelaFu uU0kgAgAzk4UGte8ojvbm4k3Bh0JHJ5CtzC8vDAMieYPY651Rj+tPZUlxJuvEnIQ DMxyavDCqrftdnmRa266UN7GS1CRGxlAq9UOrj+ITm7P4hQiF8figlEtw+WufGux iC5ujOKQTBIneMTHnUjv4MKBJ7gEjlTTfersub77hD41vhjp53xO10kt9rJ9zhUD 20UWqYDwvQ0N0367z+ds48hXVeReihj3VQ+4ofm/8D9kWodO9UMFUXD8k8MyoSfu CIct2ik8qmu5Lh8ExJlaZ1viSPvPRGr3YeOwZrzzxtifwX/yMn0GNNeUHTsu2Nmz 5SRhB5rbicxWBGzgIAf680sHuqHF4w== =r7g/ -----END PGP SIGNATURE-----