-----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-omeka-15.0-stretch-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-omeka-15.0-stretch-amd64.iso b7999b15039c2a0440f5d6d2ee9a0bbf71443f61dcd24de9e65ccd9b9e057bf7 turnkey-omeka-15.0-stretch-amd64.iso $ sha512sum turnkey-omeka-15.0-stretch-amd64.iso ff7cdc15b0e488ef1595f03d0c7a477c8d23ba2b9e760136c02ee64287da0155b7e24e7e16137e6a26efc3ee758ac4953254338cc61326bae231cfc49e489e6b turnkey-omeka-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-omeka-15.0-stretch-amd64.iso.hash turnkey-omeka-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-omeka-15.0-stretch-amd64.iso.hash turnkey-omeka-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTwACgkQhcJelaFu uU0vawgArLsTYDpHRTVzm2hkoSsWBI/wC6UrQUcTEepoQYIt1hrwgfjLGgyIIfra O5a+cS7fZGyA+GczfmbUCNDJeRQjYmWeLK+K9dPu4LpSWvgu+ffJOstkfkU7XpZ9 ozC1ADIIp6kj3MMGsLE8/lvfaVSRpDDUtTxn/DB9HGRsb0qPOM9cKNj68mB7kRlW kPo3/yehbSDSEpkYMca6QbYfKIpdam7qgeS6oZxlJZrbml0BCMgPLWpots+35P3J Kam0jw1DL69dvKqzphMyX+iX7HS4hFodkF8CMfd96RI852lB7wrp3T3lzBF/guyv Lld9QTB9DlKl8Mzdjk6S8FG0BeGxvw== =mLJF -----END PGP SIGNATURE-----