-----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-mahara-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-mahara-14.2-jessie-amd64.iso e066e5bee9493d05337e74dd2060a9460af179b5c6c5f4cf1dc87b2479a9ec66 turnkey-mahara-14.2-jessie-amd64.iso $ sha512sum turnkey-mahara-14.2-jessie-amd64.iso e00cfe8b2e80b094f133f0d517ee1796d61696c87a9b8ef2c1dcd5798ba8c3309b122f151744e2326d5b83621337a120b2a740fd441208007b4659301ce05f34 turnkey-mahara-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mahara-14.2-jessie-amd64.iso.hash turnkey-mahara-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-mahara-14.2-jessie-amd64.iso.hash turnkey-mahara-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkpAAoJEIXCXpWhbrlNEIkH/R+gY6s13bh/rPKbWKpBcxX+ 724DLuf2Sn2jm//sMmzG3SjdECnetexwoDXQumGLjDEehaDaysjc+k4sPwc2jMoG G8eo1jQqdyqZ8WmjynTJ3zeZqpXzNVJJv1KUSawF/OvTOKx8H7CVpBkSicFLMShO nbqA2pNrxhcb6m8cuUeepuQ6fpw+Diukx82uhLq3C6XR96oBMXny/Ff9n1tgu7AY kowVd/ebSbLWp/dYt5dOXmLxqy8+gDTl+HWEs2ZRdX2puebBa6IQTnwB68KiJv9Y W6Q89LoksEKtjgQW8nlVQP8iWUTBBIXt61Nr//ZGQoa2VY9seiXJS+Y6gWVVABU= =jfgF -----END PGP SIGNATURE-----