-----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-mantis_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-mantis_14.2-1_amd64.tar.gz c0b4c9c491327192ed8457f240f651d2de9ef93cbeabbccc170b333eff0418ac debian-8-turnkey-mantis_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-mantis_14.2-1_amd64.tar.gz 85f95137fc3da0ec7325f33fd8e36ec1d401ef29e3553ec8de0b3a7754d753925e5a416c1f5ae3d70e9700fad423e93432af2d83415dd7156dad298c4b130fa1 debian-8-turnkey-mantis_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-mantis_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mantis_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-mantis_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mantis_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo90AAoJEIXCXpWhbrlNgzoIAJs7D9fAJ2lMpmciFMR/rK0R QC2VJK3NVhbgdGAEe951LSqzMfBXSs9h46LiEUfamM52TuEmZJFugYQZPzStEKlQ +KHq7VVJseCi5WZB7NE/JLrDYgTi7B0KhAuRLo0rk6M+UFJ9ZS7QoMGjFrw6m3B2 pEzIJSldFny930/WNXf+RQKqTUTYlVzcmZXlA7CUwdgt/PT6CecbpeuRqC2AWLw2 RkMK3sEyI6akCwqqqozKW1xuNbg9dkRervx2ZDyVo/LESW4Sw4LHe1vx6NWrMwBT N6vHYcI+bFS+V6PcbrMdTHbza05QcIBbhNfgZT5f1JX4zl2L0mmNEvIfuyy727E= =EXul -----END PGP SIGNATURE-----