-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-mongodb-14.1-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-mongodb-14.1-jessie-amd64-openstack.tar.gz 65d18df0d704ee9a3be3e887ee6815a5 $ sha1sum turnkey-mongodb-14.1-jessie-amd64-openstack.tar.gz ef90f7c871a2b16fe7143c2e9f03c6156a3527ec -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNtnQH+QGJbVpn7q+Ey7eynB7VUce1 rdAPS4vP1tg0WnQmfjOC8OldpyQL7WdF2enXA9DhNYwrvHwpDiWePd3y3j1BUWHL EOrQTNuo+oASzQ6XC+H79SS3PyVO2hCiAumomx9DrZry2NgNX0DHclWV3fIn86Hx E5XXPxzjr8K4xoBAO/05df1hkDuBtFV3hVJQeb2iuSIoYGQpZ/VBdIPhHGoNEanx zA0XjzOfcc/Sp6WkvfKVeXyDjIOFkD2Y1BNuDsJ1ttyx4rMZgKNghjYQHoN2flFc FQXQG4q+I/mkSUNEgN8i8A0uARSxsS5sEJKBuKzHFBrZtz7y7FKZA6gLe2s54eg= =KoaI -----END PGP SIGNATURE-----