-----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-typo3-16.1-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-typo3-16.1-buster-amd64.iso 92212f16eb669b95333f56ead75eefc07a2dd8264261979e23827d9516b85b7e turnkey-typo3-16.1-buster-amd64.iso $ sha512sum turnkey-typo3-16.1-buster-amd64.iso 7f6d4c22a9bb349513c4023617b375215eeed312063e041d13754cebf6166165374ff3e9991cbc6076cad58321916898bb858f0857e399f0dc8a4634cfeee56b turnkey-typo3-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-typo3-16.1-buster-amd64.iso.hash turnkey-typo3-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-typo3-16.1-buster-amd64.iso.hash turnkey-typo3-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2OIACgkQrF6wBJPl vBz7FhAAzSJ49qpb7OQgUQa5CgF/ZTRLx8K8g9cMA258HVe6UsXTecrlduNZh+9H /I8k3Oo4QM+Hm7rFWYjLXWB0Uzywm+gpjYeIO0P2AWIzoiXv8yBy7fVRPxPXV4l9 I41rsOiJ828sZhPstVf9ykZ+omSyQ5xU5LAluM2azH4S7bKSandI2vpsFRtGPPRK 8yRWVutg8ZnXuE/+kYyOwxIKIjvndN133WtW0DKAZr7QAXm7Y6TM2iO0eEWBPKrJ lf/96g3qSH6RpGX7PF1HWqLwUDPP6AKbiLV3FvyXzDmIiVTINjdeT8Q1+6UDVy9j rssruBPmMPUanWP3991vKbR4v9fQQNWpDP6Ay72pLzxKNXdYyNFZspFHLRWzA0W7 vI22JYMlt7XLHPM0KoHb275S2QQkaiAOJzt+pecWolmOCFKtRUtP9hwPwNE/CB7K eqbyjtg3Ppzg0CEX1F8IalV6IBbZ984eVov5AeBYEm/Dbq8r+urWhBzBWQcIX8il lovrhGRkUr+pnPsq66prVX/87Z+h7dN7xZ0CIbpqZBKDDGciCMoBvU9db7Mp4Qvj wLuRipJD8JknEvnoOsbeP9dCIWjdK1Vr5vhsSVZAfDYX+8kSzaifoVUluIN8pgYF 4yTETPwmaBrYoaKhgyHhoQ+YUXkU9iOAnYour3A6H7chyFHIg98= =SqXn -----END PGP SIGNATURE-----