-----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-lamp-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-lamp-14.2-jessie-amd64.iso 52ec17f77fe63eb7031ab7e46b9c842ad275824ea583260aeddeebc5e2d76836 turnkey-lamp-14.2-jessie-amd64.iso $ sha512sum turnkey-lamp-14.2-jessie-amd64.iso c350f31308d86b5d061e547df4c5c48a2abd0af222d8789d9cfe747f99be89c7427b53ed736ef0859160d2d81957b9225e2d704b57337a77698e78819acfecea turnkey-lamp-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lamp-14.2-jessie-amd64.iso.hash turnkey-lamp-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-lamp-14.2-jessie-amd64.iso.hash turnkey-lamp-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNJpoIAJMi5zJqlzefHEzRWXbKNSMv Zk/ZiLAWsvktzBkwzSUkMayt1j7GQt/QKr9nmlZXcS4VTzUaT8s4xRiUoNNTL8lF mES+ezHFk0+e3YD1HR/AMO6x9AUb8mAqT9sHTDJmGJjOQiuwHYEiRTTrypbeLdt6 IhSkBaK2jFfBQHPylD2MoHv/9SnFmVeeFPr+hmULl1feRLkzOn2vLLRTraYxdeeS DOwvwTw1XF+YEOzKf9icm2HdJafHeavRPxVHpGhdXu9Kx8+b2Oetu27rS2/TazqV Mrylnr9cJT3ovSiyo6rdJEuYnLC4Q8qsQEgjq2jNfHAs8FUNgjEr3HjGWwjr7MA= =mSzQ -----END PGP SIGNATURE-----