-----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-mambo-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-mambo-14.2-jessie-amd64.iso 7a1524305a6da64a9839636b0b594b05a22079fed530df9c884f459742754579 turnkey-mambo-14.2-jessie-amd64.iso $ sha512sum turnkey-mambo-14.2-jessie-amd64.iso 9a267cc1e2252a22a898d09b41d8fcd3ae038afbb7ed5845a8d4975a493b6f3cbbf916bcdcb6b4e4526e6ca8df73683ad7bebd407435232ca2e736494001d034 turnkey-mambo-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mambo-14.2-jessie-amd64.iso.hash turnkey-mambo-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-mambo-14.2-jessie-amd64.iso.hash turnkey-mambo-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlN8fsIANseq7EdmsEs5NFFtZoYy5Ij orWouYH01RMBIS2EXA0ILOxUiA1jZPt/0SnhBv43uXmh4RdvzpPmu3nqmlUIA9rA QqVh3GEo1bC7lFS5m45217BaFlwEUfQrRTAzwVbQOcgjezkAbOKpZDvr/+VFPz1d IzMBj/wwTV7cnfSghRq9WSj99jGVf7GmyObTec3nj12O1Vcu2AOtcdsDQ+H4wWFL R54ZfPkv6QcyoH5C9HblXFo/oU3SewhhqZQUkJMLM3uGA++4xDEacgoei6t/4Mtr DCnxvjHEujUSwov14FqZI2SOjj1qoUIbQo8QOOR1mdYIHzgaZJMIUUBEuBKKUZw= =oYd7 -----END PGP SIGNATURE-----