-----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-b2evolution_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-b2evolution_15.0-1_amd64.tar.gz cd1eee25a52680817df3234af8a2423cffb8cc3b58d88a4449544f3d244e842e debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz 75144c8e46b6259813fc29c31a5b316e1d219ea142886ed8d8fe69d5592063208b244abbab5bb9cb375878cea7eaaed87c357e20a57408d00da996eba7640909 debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz.hash debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz.hash debian-9-turnkey-b2evolution_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9MACgkQhcJelaFu uU3PfQf9FxKaGPZyLy4GdOwfc7J815rxXM0ksR3O8b0bRXpyW5TggKh95cAWW9Zl TAK7jJ1zHrueSpQ55nHbeOLFuZf5GiT7oZeAuwDrHV3/PEAkXkr4UUtJwsBonQ+D M7bEG2CKdP+wZhnTUWuBL9E96Exz1IPn8D55pxjKZHzbkV2KVEelMLz1MgETfAsZ NCxxEcBntkioBwsBOmrviDa/OMTdm9SXI6z1ff5cwKPe/q/dvQXasY5nSlfhLK9X ZbUeDXJVSTsM+YtHec19mwu7uO6HvCQFdhK8+Ho3CQeVuPlVJpDT4aomuYuRW+By rwt6/fMyjjAINV6kRmyMhP4RYzgK9A== =2HDc -----END PGP SIGNATURE-----