-----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-sugarcrm-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-sugarcrm-14.2-jessie-amd64.iso 610ef961ae6aeb855cbea9d57c1b76a9efc775fa754e55f0de302510dd9e35f9 turnkey-sugarcrm-14.2-jessie-amd64.iso $ sha512sum turnkey-sugarcrm-14.2-jessie-amd64.iso 9fb6b3470b228b20e7679ba50e87791178b9a9bd3472ce6731f5995e1c9967b4f5f5471f7153d155bfad5ac6d4853f2cc980fbaa44571d250f0369e8cfa4838c turnkey-sugarcrm-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-sugarcrm-14.2-jessie-amd64.iso.hash turnkey-sugarcrm-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-sugarcrm-14.2-jessie-amd64.iso.hash turnkey-sugarcrm-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDqAAoJEIXCXpWhbrlNrX8IAKfqFT11Lgj/JV99AnqkblUd 6wUTFN+DP+dY/4LCfsY3TS2M1RL+m+eM80/+5SBQ7mCxu6I8OQmcVTTM1Kt+cBPb R9Ks0kwVMfJ8e6RUJST/Tf0RuC/Oae6kHGILIlRgrDUNUkoWEXn1rUM68kf/Ng6p bDMvwXxmny7y92lUvOTfRS1dJ+SxBuAli8cwb4J84dh7xEsmUVsz+xmPKrshPXqT PQfbyM5+6iF5K2HfipGQDAU1uYrH3uZAXrk9P6qWAPkMyKkJaKEKldyHMj+0i46V 3N78cbv9YNzKZQeFcEFHw0FIiA7SzdIJV6dbEJbpOiPU+1DW8BOOkywkt4PvIHI= =6EwF -----END PGP SIGNATURE-----