-----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-sitracker_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-sitracker_15.1-1_amd64.tar.gz 0e6f71b7113c6ff6c68198de4f8b0523af92fe0cbb60d121519414fb39e23da5 debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz ccc7117ee12ceb08ee768c46773e99c3637e5cfaa9fd99a2c91720e68769ef451a1ee86c62696b8638af99fac95e64a8b7db758ad2576b634d152ff6e5f11086 debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz.hash debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz.hash debian-9-turnkey-sitracker_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phMACgkQhcJelaFu uU0goggAtyysR0DCfan/glZ64K3aIfvPH4HWmt5vH2mlIna0EK/e/KNf542crX3d B2LeT7CVZ/Y+Tlr6qMG9BWDMVauAxzyjdjAVdZLSJYUVlquRS1Ao7zZm0A6pJTId sjUaGDr3EOfFBisDZZ/eOQgLP5Iy469eUMb2TKbDG1qw/9jXGYjh0PoMmryefI3w ijzEw9+5+qKPKKr5ohGYZfExtZ/9wWTRXQspa8YpLWPblIfzbo2Ihq2xo3SaatP6 Oxo0pojX8MFGHu+gftCWaJNX05uVZrWl3n18ohhi6nwKIr7olb2pZWGg+gjoXklh 1ndhU4H7tlBBNtkMYgubc08/EzIaRg== =WEli -----END PGP SIGNATURE-----