-----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-simplemachines_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-simplemachines_14.2-1_amd64.tar.gz 39820bb2a24362b4da78c926292fb311b59e9241a5ba85f7ae90406a9ab953fb debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz 768e2723b2553033e943edc693b3a41823d9f777319384f2cec5376c2278997063d20e6f803b34114787f5e47fa52afeaf1546acbca561cdc0085d8515474460 debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz.hash debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz.hash debian-8-turnkey-simplemachines_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo90AAoJEIXCXpWhbrlNRXUIAN7zNZEOwTvCtofk96ObFjfT 3dKMEjhf4h8E+N76yaxRcbY/2sL5nD+ONWVMH9n+dS+wCUxqs14Hs8h5sqrj8Pfk 2e+XU7fSd6F8xBTkPH9U2pa3MRh9rBwf9Do0pvuskoqc78lLpboroMdWEPTqyv/S z57WUWfcdlMoMYBMchMqFmsknYGrp6JVGHxPG+2O4gW0YuE8prSIcVs6TPCXRVEu 73hI+L8CEiVVXx4/30jyqgdtHqTURo0Bfod6oJACGqgO9y2/GEp9mj3pGb+nH5Ch w84Rgl4WKX5D1tO2GnxjYA7F2gV85KKeIDY7s8NxarlWgbGlBRK4NShZq8DYyLY= =HXSV -----END PGP SIGNATURE-----