-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-tomcat-apache-16.0-buster-amd64.ova.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-tomcat-apache-16.0-buster-amd64.ova 9e056b802bd798705fd663401c85ebf6ccda24a4ab8435c2081ef362d252124b turnkey-tomcat-apache-16.0-buster-amd64.ova $ sha512sum turnkey-tomcat-apache-16.0-buster-amd64.ova 02038ed4793c4efb4238c2fdc99fbd34c8ce2b5ee6dfc501c7ec51641209b7eb929da4e4c73e489d1a26c0145c9b60fc9889d38368fb4fbdbc238199bc37e591 turnkey-tomcat-apache-16.0-buster-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-apache-16.0-buster-amd64.ova.hash turnkey-tomcat-apache-16.0-buster-amd64.ova: OK $ sha512sum -c turnkey-tomcat-apache-16.0-buster-amd64.ova.hash turnkey-tomcat-apache-16.0-buster-amd64.ova: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8Bl5oACgkQrF6wBJPl vBw6Zg/8D8srWB3N9xZ6+eWI8L6Nrl1lLzj6qsky599qz3BwK0TrWUrOkPIAfqeJ gYL0Pc3KWTTeQyOWsMTsZihOMpkINi51VI4Z45AXPUAoPOfwgpmye62wdHJ2Gjjt +1OBswD/juYmZxowPuV/vUdlH4Dq0lVOPlK08VrgaZl2GkTU7oqB5KPZ+a1hVOYN XqSwJK7L88VUhEOO4Rh+fjLp0CVRB9Z24ghgd7yzcUS7M0BDEJN5musmnmFeemOR e5MKBe52Tj5o5W1WkdDDqmRXEUyKC5TkISl3Sf8V+mdYTY3Wo5m8BtU2UNb/cotC FnyeeljMDGOfEEzAn+J1XusVE8Lqlx5cplabV6DKubJ01H2Br6e+08TMlVyS2aAg bjTd2/JcZVkS+m2jMaMHQxj6aWpZt1cpJKlrC9unixO+h3VURKZIFRNiWcxYwA9x eftTztl6UxvVw+Dj/UWYXXvj04Cz53fxkWexVhfGBgRB+ySNmQKIAE3qThp7NPlQ 67q+0daNS/tTueq1RlUm7cEFgQvwjpnlXcOwHuXwEM7CzeyXMDN/vvIe6FFq9Rw7 cqI9tj055q1A8KHoqTUL2VB9H7WT/F5EbkwaUb8Z4oXXDCqhAgqH21bpN7j1p9S1 IM2ZzapY0Qfd/1aP9Wfmmh4Kq2RB5nbBweUXYHwyZrNy3TVHxRM= =266W -----END PGP SIGNATURE-----