-----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-openldap_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-openldap_15.0-1_amd64.tar.gz 67300b5924a9c982ce4e57ad64afce547840a04bd19cc37ffe4b0eecaa1951f8 debian-9-turnkey-openldap_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-openldap_15.0-1_amd64.tar.gz 42430f82970b38d2e0a6c6746b01f0480111f482ac92f5c5188409515529a6e717c44fe1485bb5923716798b96dc853bd0e36f6574bd56325725044bb1ae2587 debian-9-turnkey-openldap_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-openldap_15.0-1_amd64.tar.gz.hash debian-9-turnkey-openldap_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-openldap_15.0-1_amd64.tar.gz.hash debian-9-turnkey-openldap_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte11sACgkQhcJelaFu uU272gf+MNckFpSEWouHBe59Xpe1BAxiHN/P0nOoZr6y0HQEKc5C49iETqZfcMhJ 9rxyqXivq8Wz70lCmeIo/urhgFodgggjSJHkrCFsMSiAgE6eFqqj2Ab+UWlMA6wC 1BaYqCY2wOavH6dhxiBBNRj/F0HB34OKaZzs/4ZMT/2aoHtopCnRoaEnA9z6/E2H tJST+j1XMs4ESzE48LK+QolB5PBZFp9hpjOlG0KZOcapNVWI1buPpQALXWWsmZkc LOCY5lbD8GLrecP9CBohzCrcXkrvmWrQepirUeqoA3iUgSdJv4yOtQ9dGnJa6mBl srDhVWqMXSRluib+oqyCzNVEIQdvqQ== =0slT -----END PGP SIGNATURE-----