-----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-15.1-stretch-amd64.ova.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-15.1-stretch-amd64.ova 0824974d725817b0db7ec5db3a5352e5de0a339f7c8c1440c77861f1ecc95b35 turnkey-simpleinvoices-15.1-stretch-amd64.ova $ sha512sum turnkey-simpleinvoices-15.1-stretch-amd64.ova 2ae68771f370f56a3977938ad96a6fb4401a342ebbb62deefd3c55de2d0eb41c336e9bc2f2d24052fbfd978e930a5b200a673d9c7353210e2a68e4a19108fe9f turnkey-simpleinvoices-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-simpleinvoices-15.1-stretch-amd64.ova.hash turnkey-simpleinvoices-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-simpleinvoices-15.1-stretch-amd64.ova.hash turnkey-simpleinvoices-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjcACgkQhcJelaFu uU2JPAf5AXLGzcTZbEDj9D749FGHZ58YlQqhVRptb3UZ/Fwq1Z/EMnV0Ic45tmyI pfFldArNCg5tQ+0vW5U/YM0Ls7BzhIJ/ShfYJK0oHsaKOcHRz42MLNK0F2HYlYV9 UeQGq/oAp9Jzy02Vnk5iazfOn6exKiGIqSb0ShOtjgkxomhmN/rVwQoVdBMuauE/ cmkXd7riI3zDgkaZ175+X2G6G51JE8IB3aZMDSt14ZCUeeY7ZYagRbU66GEewV33 6R5aMJbcz9k716jJBhEPRh8DYMMNwebTDczIdS7hMCPGe2nZb13WlZP9qz2l546T WqkQOv3X972UicyJ9yfdIyYOHZq+GQ== =aWGi -----END PGP SIGNATURE-----