-----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-moinmoin-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-moinmoin-14.2-jessie-amd64.iso 210d83e6263c665f30f8109bb7750e8fbcb87adb6d09320e3b2e3c7c936f2033 turnkey-moinmoin-14.2-jessie-amd64.iso $ sha512sum turnkey-moinmoin-14.2-jessie-amd64.iso 6c40521ea65fad09d90d20987681ec0dd5ff669ebff3554a4db56d5545a88af56ba030e7a3cf2cbe4bf5d41c0301b2a6a261e6ddb08b3fc4ebf07221fb0761ce turnkey-moinmoin-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moinmoin-14.2-jessie-amd64.iso.hash turnkey-moinmoin-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-moinmoin-14.2-jessie-amd64.iso.hash turnkey-moinmoin-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNYLMIANbja7GanHjjPUoIUht/WjY4 IRZyzLx+NxpYfblApuypr6uXngTXDzZvAo6yZITbcyILOByn0EeMIrQklvfv8D45 oKtjdWNCQBPMXLpWemp9rnW8UCkcBNC27a3iGwMX6b5K2Sz9F3Jtpu8c91kB9jT1 8MZ7KIxMPMoijoVBfOqdLrh4xnKNUBFgTENWDmonWgMKPCZBcVBXmfZPpYq6xVpv MrdnWbcdJRk/4+WCPnGkVd7RJpNzO+uPDBlhZ7NXA4D4PQEarw5lHWktdGJ1gglh kAUz8f+FS4lE4Ajgk+TxwsgIB9KWF+yyPigysKgSHgD67q0etPwNkP2CmG8nR0o= =22am -----END PGP SIGNATURE-----