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-jenkins-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 16:34:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b4f9d70e671ad51d2a08c722b6fcac57737bbe97 * md5sum ceed3f747002c2ec18962b9996a5847e 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) iQEcBAABAgAGBQJSXW6SAAoJEIXCXpWhbrlNmJgIANl5770x5FgO3/3/hr8jlANZ 2OV99Grt8OlL/j4RjNfpuxGhfF8d+bppomb8PFnAzYB+4H2+A9utT1iug7YvU2AN MXJBXwYtZ/qPrCeNJ4JrV4obezuBASDy3MzyJxq5VJ5OyDM1xAdhnKm1PDUvdLHx rXqFHoRoHGWj6SwC/6ZzaRKcI+50AOx4DgHDcZoZshmZkPSpVHYUljfb/7q0XXHQ cm2rrZGORJxGlR7HiXptpWH0xqVaugXjDT9ZE2yQDsayUaTVKaRa8/3TPsijxVAk 4ts/Y4eOA5mJSKUXaJJJAC59Pm7Ay7sT7NskNlF/Ivz8oI9NiA+paARqes2tBc8= =xqok -----END PGP SIGNATURE-----