-----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-elgg_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-elgg_14.2-1_amd64.tar.gz 13cd8365753e48dfb02953c4dd4d26687ba3647ddfc05f2134f0ebdb8c274bfe debian-8-turnkey-elgg_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-elgg_14.2-1_amd64.tar.gz 7d1d522b9c4448d305192ae491dbb6f11498dfee3fb66b0761703c907f6f9357928abb63ed38ee03700440ddc9e37b95a37495b1871ea5b2ce8b259c3f9e046c debian-8-turnkey-elgg_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-elgg_14.2-1_amd64.tar.gz.hash debian-8-turnkey-elgg_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-elgg_14.2-1_amd64.tar.gz.hash debian-8-turnkey-elgg_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZBxkuAAoJEIXCXpWhbrlNBmsH/3NoIpNuXz8SyDltdWgYlbSY yV1ygADyi+0KWm2BYWRI6guyRFcfdsj6AqXQI54Huwnqytm2IvVQs2dEXoVpWXmb Pr5hHQzQq6j/0x6VV2BqDVuqYvdMQveVv2JGKawnFTEGIQ7JAQmQas1X/bmi6ebA FpJIq7uG2evkeshmbX3fI/JWJrOHkL4E5hLTNZ34eFap4FjR7fMPZA7dZ0cmjnMz 8rT84j1fzqq75zKSKMqvEonWYHZjfUIzyXAldOdEHdDNhyewyQEwiMW+qP207kcI 9Bz966sc6V3da34xGNaPhf7wl/9tZLUwoycyi4MDCl0LklJyceG2H+aMxi5MKFU= =oYG0 -----END PGP SIGNATURE-----