-----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-mayan-edms-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-mayan-edms-14.2-jessie-amd64.iso ef5f9578850171838686b46c029bc867c4c1255a77454ae158b7ef8f39dc65f1 turnkey-mayan-edms-14.2-jessie-amd64.iso $ sha512sum turnkey-mayan-edms-14.2-jessie-amd64.iso 53c72e1b3a68b7fdc42fa24da8d92fb9a4da8c5fb84ad8c5ffc91b865ea6ff383624ef3ba49f3e79f427769b4fa314a66c8f44a4317a7065f27a1b8a57fa9378 turnkey-mayan-edms-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mayan-edms-14.2-jessie-amd64.iso.hash turnkey-mayan-edms-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-mayan-edms-14.2-jessie-amd64.iso.hash turnkey-mayan-edms-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlN+Y4IAOmjwk8nBcZNPtMDpV1e4zn9 kp13EzT3X0oro8XjcdX70X8TCaWIr4f3gJN5k2/unlstZhpRX69FeuthD2DiilDT uxHJvCJGmhYctzkwILlge/f6Y/FE4eugzb3ICaOGNj3kwGevEqBtZTnfWT6IS/iv kSF12/QIH+wh65OQBs8Eqjn9s+4LbjwIzSWhS11GhF3Hdo9DzN00rudKyAJUxGzG Sv5i7ZHYfnBwnqhjG9f1YaeVYeqAUq7QYDickTsSAUHU8mEIHWPfra3zn2mQDM+M apet3+3RGFnPkNaW/I28Xa/pu7d/hRrZgkc/BPeY0rme2LEq/iDtEuzgV7kYPQA= =2P+t -----END PGP SIGNATURE-----