-----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-mediaserver-16.1-buster-amd64.iso.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-mediaserver-16.1-buster-amd64.iso 35d106264d962b3fdd22c66e15eafcf35112163da6c4ccd839cf3053aae33369 turnkey-mediaserver-16.1-buster-amd64.iso $ sha512sum turnkey-mediaserver-16.1-buster-amd64.iso 0c902828c77322123dbcbfc1c36f88429d58f3c4f40f525761c958e32f93dd261abcc0e0768bc222ce52df3bec388efc7cb414092891743e0b10f78c4a590e46 turnkey-mediaserver-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mediaserver-16.1-buster-amd64.iso.hash turnkey-mediaserver-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-mediaserver-16.1-buster-amd64.iso.hash turnkey-mediaserver-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCOURcACgkQrF6wBJPl vByDuhAAx6JeJyslSXhRVEnkuoK2RdVBe0LoEOG62E4QBBxsGeNcz8TJU7uxHDtt fmNmEjgqyhoxmRwtTsenrmYCppp0NroUrv7a1Uu0ZEMLIlhpZgJsgGtpUthky2N2 mKvcvw1wtrUKu7m76wmH1Hz/+OkDuphbawMOwT8zS6qLgQXScGYMQMp/4FwCvllX fuNkzH6QIKyT3ORBjDsg/xvrzJop19iax7NGD7PnE/hohkskciACBYMWSlC4wVk8 OuJFGWrlpONvogkUfyspSLrL310o5NuTdcd1nG87r7svZQnBg5JjJ+jZuVd9Sg4Y ahgkvVu11YN65fsGRw6R6pR8kw+i40EcvrpBaHvrKOczzxuXBgN8wSsGes503MQP Q156aEpM7s1FTrP0wkjGu1JgcJUR3QRDABAJHRt9yf1r+weTW+8OMR0o4SvfkB7z tgFeoI/xeE5YuoIoK/XZUaLPu7a4VP/dcIlsKNMfpXoJ0SnuCt4ad+7bFI+vf48P +ExDvGWs2aZm7WSSfQSSVEAKGQCnFkWnq+ZxX5xt4lLvvSF+kxnsDGaVtLH45IC+ 6VwhN5ZLCvesSbgnjm9zqxbtuYmDBSdam+zM/d6PNQyExBluDSfwabdI6mjR7e/i J89p6eDY0+UQsXX6UlCLmvdABXLh4zCUm+6YCpFmWKCtTSOXiN8= =uDjJ -----END PGP SIGNATURE-----