-----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-gnusocial-15.0-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-gnusocial-15.0-stretch-amd64.ova a59ad58595f395ae779c9e93a02561f56681a195170ea80c4366d1e99dd10631 turnkey-gnusocial-15.0-stretch-amd64.ova $ sha512sum turnkey-gnusocial-15.0-stretch-amd64.ova 3218d05472abc72354782edc968db1b6f5c1b793059059f615c73fbc6f7ca26acd62fe3528ae187c07286cc11698ead7d0070388577c9717d06d3b180dddbe53 turnkey-gnusocial-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-gnusocial-15.0-stretch-amd64.ova.hash turnkey-gnusocial-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-gnusocial-15.0-stretch-amd64.ova.hash turnkey-gnusocial-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12MACgkQhcJelaFu uU1lWwf/XhiW2BCgKaKbU5y36sfVUAv48bYDPTaek1Y7Vtb+6Qm5bVHG2b7R8RjD yfFU4Bq22IvWm9znOByp9Bpzp1G/MHT5gMGn2zgh135A/DwucuX8x2Dzm56X54H8 eyGaXEXHaAJ+p5d6sI8ouGgSbX0UWlFFJzRTA9BEWuRFEvujWMwm+Z3ozyzaiADU xt3gc1+RaIuI9r9WvoJO681xBh4QYgxmHJKzGTS6Bnu8wmTG5xjLHs7UyU5lgIGy G2fgPxsWdnLMfNRvi6DKHSX5Ev7gNRMpxPsKtA0Mw7ve2JQylNsL4Fe8xRONZq43 bPvgjsXYCmse0GixU2HhHBdkZFclow== =cP05 -----END PGP SIGNATURE-----