-----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-9-turnkey-otrs_15.1-1_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-9-turnkey-otrs_15.1-1_amd64.tar.gz 213a6c4efec61324ea0c3dbd5b98be873f38d053c4545a9ca85423946ca29ebd debian-9-turnkey-otrs_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-otrs_15.1-1_amd64.tar.gz a4ea0c41c90e8f9e35000a8e1b76b36f7aea6731ffc52cff54069acb4b615efbdfb1998a9b53d369896fa6dc4355f1a96e732112c0b3c79dea8b879e8284cedf debian-9-turnkey-otrs_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-otrs_15.1-1_amd64.tar.gz.hash debian-9-turnkey-otrs_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-otrs_15.1-1_amd64.tar.gz.hash debian-9-turnkey-otrs_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phEACgkQhcJelaFu uU2tfQf/YalSa9FITW4t9dBDMuaV4HPpmZgHmXfCQOOWLRgN5MOxVfgAsSbuzLBW 7BRToPmlEVutQelSSR87TrPaCY0jegtU5+GTG9NxMlKu2EuozZr7h+NTnZb9u+s3 Z+sag9iv/7Fgn7G50PznKwgwXJYDRDXlLBJEAIeC7ifcsJZ2vIWSFEHiOWFpfnMU pUVfDVvn+NHdaMpoZQ+sX4gTB/8Psyoe6eAmjixBPf8Md5XFmdwp5EX7fTf/TC7U hmxptefVuYXZLvdSjpavD9SP/ONvsV4zlyG6gaNm99SH1IN2r+Mfh/R3k5wvuK5O nNL7/7EGO/OcLetfh83W9AAd4Zz9ew== =7zzr -----END PGP SIGNATURE-----