-----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-mongodb_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-mongodb_15.0-1_amd64.tar.gz f9dd7b48f77580c0e2a87677aeca87a3f1f997da207c156fbb175f60260663bd debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz c8e9e32b7bac95e9e6c0dc755e55d097db20fb5e07dc6ba77b6154cac980fc41ae35b82435865812623b9f453d454353fab634ed61727a2358645322fc26f880 debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz.hash debian-9-turnkey-mongodb_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOsACgkQhcJelaFu uU1LnAf/WUGLUkhgG5+mw/J7jpq/0tH+Ke2nV/kLYjrFucmduA0xIVYW1HbesGnx bTeX4Cj0/rCiZMn8DN+2pGHqtRJ4zhVNSUR/V5FBibEiulysIah/pu7+w7Mav2+d Gi92AM4BcvvARtBLTrgiVW+bDbhdYuJ7Mg+iV8TgWEdgdMr+FUkxwsWNqwtcEdDo 5rPWOms4ORt3M9Yn4HcnhGhRb29ra73CHRSvDFQrtoxUbX+vw1mIkrRJZmo5hDbz oCRROanubjKF13ru7wrKtbMORgUyVQqESqvgz7BSibXctqnfIYqRj7QqIzPxaGhC 4BCqBK2q8jMbRIgnY6Q3xKgB49uUJQ== =HE9j -----END PGP SIGNATURE-----