-----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-mambo_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-mambo_14.2-1_amd64.tar.gz e0c4ffabb369130a114fc23c348ddc1b63c957c0dae3b33e57a96fca63a32281 debian-8-turnkey-mambo_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-mambo_14.2-1_amd64.tar.gz 49c8ab79586e12627c936942e78a58f328820f605b8d3846d6d69c3be8482e019fc34b71ccbd59a57de6dca136a0ac78a9066375b2aea1840803afbe79eae8d7 debian-8-turnkey-mambo_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-mambo_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mambo_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-mambo_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mambo_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZfb14AAoJEIXCXpWhbrlNuwEH/jv49+/SWNBWQw6PINhkTrJc ihyezKCFrQz4WUBCw/YEfGgV3xCwtutCNiLKacnbDGnNdkGUCXgxTKpACWXKjNPF mqgtR3uQGN/11pNpZGcMcW9WoQSvNS2GxozNP/r56udsPqY3B+FaEICxQ1CJzJSX EmJ752rMnM7d4Mof4ezn/Gn25/GsSd5+I/GWB2Dyibzs7i27YZoEnc0mc7d3v2uE oQP9WQWUSJUHKdcXLPuToaFFlcDgQHvEEfWNjltG7mf3VgIoJQuxY/Thu9xknqcu +tnkz+57JE+zZjHKivhcfSQjmyfxxrr22oWbSich/1zM+EXAeALdlBGn0lEO730= =By7F -----END PGP SIGNATURE-----