-----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-mumble-14.2-jessie-amd64-openstack.qcow2.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-mumble-14.2-jessie-amd64-openstack.qcow2 50ec10c8ac343e68c3675f009efaedea589cff964f23f5b2cf0cff09f9f69b47 turnkey-mumble-14.2-jessie-amd64-openstack.qcow2 $ sha512sum turnkey-mumble-14.2-jessie-amd64-openstack.qcow2 44b5d09c7e06d0965aacf0b032abe068227abb42b208518b56c0fb224f8f7500fd99a1e7acd16c0803eff019e7d20b3c904aa50a28e69bfb0277c346349fec13 turnkey-mumble-14.2-jessie-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mumble-14.2-jessie-amd64-openstack.qcow2.hash turnkey-mumble-14.2-jessie-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-mumble-14.2-jessie-amd64-openstack.qcow2.hash turnkey-mumble-14.2-jessie-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNl4wIAIWLeXo9p7biKWRo8Hl3tnSM L4oYwGKRPNAfjfWElJG743QPtfe09yid6ce0lpr+37VQsv/gKiWN84jwoFzGEsU4 0JZyAgj0OBSTubP0y0cmjYiwkkOJIUt5zj5yOzL/CiSvBAT4oM1+Zotc/DwJBjt5 Op5MEzn0nfB8kh22cF007Lq5QaeZ21DpvA2VTwrLFs/j7uDdgxlxI+HMBkoXQ7QL Lc0jHZ87BuUHh1xZF6rTnIejl3EOumL1WR2a1XLI4f+eYYOtuCnTR8LDP3Sw9hur q3PGZlY3kmpMNzG6HsYjBjnOI/mTrC+1D2FWGreslqNP6s2WjFgHkpHs+RBntEQ= =Gsqs -----END PGP SIGNATURE-----