-----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-couchdb-14.2-jessie-amd64.iso.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-couchdb-14.2-jessie-amd64.iso c4df403bdc44d5d48ec85fd0ab1c926180ee7620af64e4f1f80cff68e895a014 turnkey-couchdb-14.2-jessie-amd64.iso $ sha512sum turnkey-couchdb-14.2-jessie-amd64.iso 45fa0b4d6ad11a9423905b0fe7bd59eaa69a8cae39380b462ec9e8dd3fbfe4795aab1964335b8a4f6a665dcfb58e5077996009e17802b317d7b2cfb6b72e596f turnkey-couchdb-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-couchdb-14.2-jessie-amd64.iso.hash turnkey-couchdb-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-couchdb-14.2-jessie-amd64.iso.hash turnkey-couchdb-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNCXYH/RLxaGhgF8hQEVfl+vPQOK26 cuJV8MIyxmwFD2JXSMiSW/4L3x1b1i1t+7dzxQa/XkttzzlSzC4+15/79RDr6Sf/ V7RRhTERBT32QGo7ltSWAm/oiahOLi3MxU/Efu7IWIp6J0JTigpDMnbDMThqHk7H gyN2Oz0SwEqUI8vaLXxPaMHyvlKiJ06qBy3sUsM9ZB6Cp+yftUF38Q1Gsj87HnZ2 w9rjxl+PVlFcJ0Vp5vPbDfpRsTd6Qa8hPDBm1YOdgzUUmihyFfMtgj5F/xvKYApd 8OEVk/BK4LWowMu99CNS66zehtgsyN6vsAXQKJH2pY1/QRHeSLE/fd7SZco+fEg= =Kjhp -----END PGP SIGNATURE-----