This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --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-appengine-go-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 14:59:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7dfe6e5c2b0f16a5d390e882ac49cf0614289c20 * md5sum fd565a963aae8634ef604b932e31f141 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXVhdAAoJEIXCXpWhbrlNkzMH/37ARySbl7mqNgdSimcs5G5R yU7R/G0S2ecAaHhw8grSmkuZ2H/dC3NxwHiR/gwO6bP747bMzOFtRsO8/IVUZT7E 63a/6Fkjt7B0CfzKn3K8Eum0vxOEE6fmu7fdGOR4KeKVZi3ql3qINb6q+Tq+jOQC cz8/uX+dC7i1cDmwUBEhOvLPut3T0hheorGBxfnb2OwGXvJ90GrPH55L6Ls5uG8k 2SVtotzWFmAPkdm/ge3UHm1uG3ug47bPdlvuOGlrFwNOjtcc6zZm5uaYrBYe2MOM vF8GhsV3DVlA2Vk749NBFqyrx5gRHIGOvRmh3GsZoOsWGxgg29ljKBmlIBXenxk= =qLhW -----END PGP SIGNATURE-----