-----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-9-turnkey-mediaserver_15.1-1_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-9-turnkey-mediaserver_15.1-1_amd64.tar.gz 2504e13b427d6e58c04e05ff359d4ff974f6fcebac147dc4d3616cb12a237ebb debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz 41405a3dc808d407d418745337056648a559cb1a6a5e124da454efd345198ddc2fbe7fd40021943e5fce64b5b5da0d75ba3d7812756761a0290cfc81ae2fe79d debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mediaserver_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PcACgkQhcJelaFu uU2ezQgAp+FkqbrY23NnikMg1If4Wn2iCn/Gkp2yc6JDlqrc6cdOntNFIFVolcwx jky1HR/dbH2xdLEUHiVj7JPOyb1OuTKmIc21GJkxFEJEG7ZgKlhuitUvO1rXeTLD YBm7AMEHtUQP2RO134y9CibaL8Ck//zs1oG4vutXyKZtv3SPibxmTFuPUaJ0YJpN zashF1Lq+DhHMkSin/dKckDyeVr7mj2nkT4msgvJrYTJTXMfxDDiC3pK1ARIpUTb y+if/dzcvUQGTXr8lpBeoBmZBoSiDajz/msYeZJVuVYjEm9CMDLbkrLMldrv+nmc Rx3mUPqyuFJnSmhGVdVIo8Xyo8g4Qg== =hBR7 -----END PGP SIGNATURE-----