-----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 debian-8-turnkey-observium_14.2-1_amd64.tar.gz.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 debian-8-turnkey-observium_14.2-1_amd64.tar.gz ce8a72fcdcb2097b6c2834a9945b540b2407514aa15dfd22f052dee21c40f635 debian-8-turnkey-observium_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-observium_14.2-1_amd64.tar.gz 60a24a6a1ab5692407eea5ae8716d9da306b1b53a97546d5898fffdb2827edab31efba9466c358c6dbb582d5384cfe8c149a41124033469d0c49dd42cb8f824d debian-8-turnkey-observium_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-observium_14.2-1_amd64.tar.gz.hash debian-8-turnkey-observium_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-observium_14.2-1_amd64.tar.gz.hash debian-8-turnkey-observium_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZBxkuAAoJEIXCXpWhbrlNet4IAI2qEkKEtGUYoDV/P7diSJKY XMYAQXqiTIN6foLdMZls23kCVwZtdEp7QM1iMCzXuCGFPVOMMxnmbzQETUGxPRwg RO3QDw/HG2jTpsYn0cFFA/LPPAa6MbzRvwI32Edkizv/shjy70Ui/tGuFSrsEWfe 7Jts5QtxfOB8oLaOQo+8JjQMDIMfZJ8WliTPdH+3TRUUr6k9M3Pil3orggKfx1S9 CnU3dL9YGzGqUtfLJQQrENCgu1Rtj/LLo7WaXwQS2Ow0n2TFCQVZR6uRSNjfJKCO LWh29Fvm08ME9ncVwH/dMSZ5uVoV0F4CbkME8x0Uw4CjXeR+sdn+jwx6w248+lc= =sWUV -----END PGP SIGNATURE-----