-----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-nextcloud_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-nextcloud_15.0-1_amd64.tar.gz ba2697197c4a0dd06a0282188e9a2ad10ed9a45700f01b12200df8ae51c0abb3 debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz eb74a09d16342a6f37525132782ce38ff93fc7594587935d14f489da82eeb7fae5477880cd8d24a7d4bacd519921ba1475a09fff6340161337b76e771e95d114 debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz.hash debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz.hash debian-9-turnkey-nextcloud_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9gACgkQhcJelaFu uU0sdAgArLJHkFE68Z2yR0EFEEwjuhLbOvvyX7dv0+G98iq1FwclNLEgLh2VpCZ1 A/W6gXZxJHmjUuxv0x9qIdMxtvVNZ8ndjH60a7fqCjN6AzRoymXVBw+NMpoFZfis fd4wsu0UbNu5ZYS8TDcmHlypPe77XDDdpiaMFLkp82mVufKVrMyKQ5cJu07fApQ6 fy7g3ydq5BXKpNifYAp2n288E3NS02vBH3ykH/mdiDJ+CUSbqij9k6qs4R4qGmBx vrR0PhFe1+BAheTiWV98upJZdz0JPWVQKHnpArrzI84drbz+KzNp/8rVhsI7EgZa 8i2VcncN3UadCSe1ooh45TsBIi3kjg== =meln -----END PGP SIGNATURE-----