-----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-observium-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-observium-15.1-stretch-amd64.ova 059798ff55b0454b36db63eb154eba2571c440995de8b7c2aed95b97529ab56a turnkey-observium-15.1-stretch-amd64.ova $ sha512sum turnkey-observium-15.1-stretch-amd64.ova 5d60b7fb1d05d358be60b50a043cc3329920310d5adf14ff4eed90d68f2b56e2a3a92ccf8e910b6cda2b137c26414adc85361473f83b4e873332185d2f1c80b6 turnkey-observium-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-observium-15.1-stretch-amd64.ova.hash turnkey-observium-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-observium-15.1-stretch-amd64.ova.hash turnkey-observium-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pi0ACgkQhcJelaFu uU1X1Af/YRt98A/5BBTW4uPuXLfZe+SpcUl5Q9VISMc/UATtiEp7uOdaqY7OAYcA 99gyiUX9kXWa40/99TMY9lVUdXBRrcJJFrbjPpOiXseUCGhv186Po5gC2mFhjw0Z rqLMFMejU+cGxWkvEmW2UvdqSwhAilIELTZcWH6pzZHatwS0aJjqeVdPJaf4Pt/F wPBFcocSlaOety3klSKgCtXS72I/dNLBxi1Vo6nvPWam2tbxoKmZ2q2Gzn74LwON aF+z9SPGrXv2gXiCRB9LSP8xznmw8tG1hvTMTJ3EKXU3JmqiVTR6h723EBhhwgDw 8XFICfn8EBEBk1euRux4dbVfoejXsw== =cMz8 -----END PGP SIGNATURE-----