-----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 debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz.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 debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz 06a40ca866abccad8002d9dd10b10bd528eae78396a8f31f8728c21d61b5cb97 debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz 3f927e6e8cec12201ffd8ebcf93d091b66952086520a277b94aa17304b4344948d55cece04e3ba850b0d8f6af4f2977f0ed875a926dcb894ec36a465a4fd8b84 debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz.hash debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz.hash debian-8-turnkey-tomcat-apache_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZBxkuAAoJEIXCXpWhbrlNUu4H/2iGud+so8BZAXz3ETRDkbz2 qkJY4JsfTh07CXXcDrrjRnuZvH/Z2ns6GPndXI6SrcJ3hDo/beyWTV8vYQQ+djXi 2jxnMG91fLwNJ297EgQLXqYjUhLIPjiEf9vuSirdVf8Wst5hYVcpSqUWnTrvj9Vh x5BnFX1OwJWw9RbglOwifDFYI+6t+vcJ+JGjn2zH6Wo9V5/YfzJ/OHVONhnb4Hlo DgF8T+CVj8To0z5N5bo8mBcDLv7U187NUnRKzyvprHfXE+qK4yXsbn7TJSSfYbj8 qEKz2FMU3yfOKec7pYtrTep2q11FSa0zOv0IPmSDcZtLqowX3zKP2VQj/aL6Hqg= =Y6+D -----END PGP SIGNATURE-----