-----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-vanilla-14.2-jessie-amd64.iso.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-vanilla-14.2-jessie-amd64.iso 64038cd489dcc8cf5995c45e490279b2e13a79beffedfad019e71cd2c86f2e21 turnkey-vanilla-14.2-jessie-amd64.iso $ sha512sum turnkey-vanilla-14.2-jessie-amd64.iso 7c61670a5167bb3d997b53baed61ba7cbe861d9b0f646731fe566abe16543b78109021542be1073e6310c3547781a36e4bc86519fc85344c4ff445d2428dccfd turnkey-vanilla-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-vanilla-14.2-jessie-amd64.iso.hash turnkey-vanilla-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-vanilla-14.2-jessie-amd64.iso.hash turnkey-vanilla-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDqAAoJEIXCXpWhbrlNoy8H/j5NTAiO2o3EDeWLTmEBC+h/ psr6MRJ/bl2LbsIF+0G5JSbjJKZlXBDv+orGceA5Q7jff6g3hOZafiGVZrp7eHmT McpcKxU0mleYMEK3Lv7knw7IDv7wQtxodu36RT0t2LczZb9ZozsMHRNMB/2ETw5f 9J75+GrbWN/TIOOcszSB/L7Yu1XL+P0WnXD++sa5zGt9bab3vhdxN3o0L5skpmju 6zdkrOiepXBSKV/crK1+Y/c2MWYyIq14QmEDEm+nnz03pvcDk8tTRq5vsbyylIPP 8j81gerZ2/zyF1GARigpIm3hLgOqPFI9SVw+QWuNHBNsHnxPsSYR/Uamumcu7xQ= =QQBZ -----END PGP SIGNATURE-----