-----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-zoneminder_15.0-1_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-zoneminder_15.0-1_amd64.tar.gz 6730d0caf3d1b5f55d90cb84b19f8aa68d32d4da52df86a1fba67629b8d84d5c debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz b555288b74557f5b1083ac1fdbc7de9757ae681cbb44a561f96a27bc3b193f5fd46f2e02f8ec9c2225dafbbfb2b0d776ba9909df50d25c580523646af3e7a270 debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz.hash debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz.hash debian-9-turnkey-zoneminder_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+90ACgkQhcJelaFu uU2X5ggAk61Rw11JA1sPXiZkyh4XDH4Vi2zgo53zOix/6GkexqHcnBXJkA+YJ3n7 ihRl+K8WnJhhJT76FLHazfOyMzox2v8Vzl5bPJnuxMthXx9VC8pCHZFidAqe4zyu mTg3f01BTi9yAhJtb0t4mtSYczmB44mRDqcEDkgByWw+J/Lv4ScleQoJ8pV6sOF+ 6VapwpiMAcZMXoa9ZRgXlIR6wUzV+zyjG09WY3a9piHpGraA83OgkFkdoqXXjiu7 UO3jPvc3UAz6yktCZglv3j7m2ozN2sMJFXwap1XsxpTLEBbhtUxc+VDMCvs/4+xm BCN2M7y32O72OJZD2sdmx0Mi5XBXNg== =i5q3 -----END PGP SIGNATURE-----