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-mysql-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:40:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d6987bf3f05fe2b7536fec77272b45948d554c5c * md5sum 17ae33a14187ef09b7fdd7b3b2fb9d9d 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrfxSAAoJEIXCXpWhbrlNlwYIAJARJlnpDcuLZaaAVNh+hCLn CRWLgDd3b2L5X5bZXGjFwnI59LAHXGOllsBoHS4dnDe49C0Ju59AxzpWz2ilMYT2 jpHB7ko/kLRykEr8Kpc3vAKhUWLRZFen0V2BWaKGIrLruUP9/zGi38uaxxLglttu I7Yf46rWf/xqKpRpzmn57T99A/cNDMhn8MYoW0Hy/qMzXHYKSz8CRRFkPE7Q9be0 KPuj69oDjA8mSQlzys8hns2lmdtP5GOqLJ5zEBhuzCI/MXLL40PVl9O17AyGVi5K NQrwBAlazAly+mS0OKESAiTsyOUtb8fjBNhQ8B+fRY3CW0Pf4HZg2GhLRVBWorM= =PVPD -----END PGP SIGNATURE-----