-----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-icescrum-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-icescrum-14.2-jessie-amd64.iso 385e508d7c34972af194b5e3bf48cf8add29a088a5a125857e66969445c3457b turnkey-icescrum-14.2-jessie-amd64.iso $ sha512sum turnkey-icescrum-14.2-jessie-amd64.iso f417c01f9c6b2c59ea4b7d721418c5c60e6f16b2505a584a8f123ba3e43107a33aa0c1186c0486852843db71947be15e3cd0c3e2227c6a2bffc5ae9ae7052ab5 turnkey-icescrum-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-icescrum-14.2-jessie-amd64.iso.hash turnkey-icescrum-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-icescrum-14.2-jessie-amd64.iso.hash turnkey-icescrum-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNxlwIALBS+O7cebqFxAtdOwlvCKmX NJp3BqUErC6M+/iDI51SozU/XQ64at+9WBt9VeO0Y/9m7Vpb1DOimLafjDgCLFW4 R0i1DdN7XW+bj5l/f3pFolp9xF94/PVMpEZRCkM/PGHH5569wxlwJAOmpl7X4FDF 3QGPaxxTRYZBk0DJJoRygo3iYlaropzh1Y6uUTQuFIPlLC7mRY+GHrW54tgpExqm zF6vYUizpA79wB6qmdBHkUN4wIJeQyDX7PKGXakTqnXV6nDnGE4ARzggpbdOGdtn 0z6xavmQBYkRsW2l6vyVZYf5ZGqnM+egxncTHr++zz96oFEtOA731RZIntp0cyk= =ya4V -----END PGP SIGNATURE-----