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-rails-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 10:20:38 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0ebcc9f1b2ea1c41ee9ea8cd8d6b2ba2c98cc517 * md5sum e609f0804fe0f78368848e747b3acbde 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) iQEcBAABAgAGBQJSXmhpAAoJEIXCXpWhbrlNXKoIAL1Xz+4kWDM40JHNG1RDADmR 2Ve9kX6XL/9rthWymlj2y6YWQF3nLapKmOURgFtIXFCi4k4jxhkKQAmxpCXfvN2V SuD10mIlL5GqXBjdwBv4W3rqyMtOngFrDmXyDqjOA6tTCj3VEus8LxPNJa07JMD5 HKvyTEunMtfDN500SDG2BBtgGLGqZBInoWB5Nanrxz6x4g5iyLfmgFUPhHi8V+8f KZxbG9Lc0zBjHGvDXbF4skSRmWSZdsTbz1UcOuXDKbaiadsRmxJUZBzPCAxsRi5i BFJqJ2B3anH6TZw3JtGNVgk3iJauMe/ZUNyA7Ux4etH/KNeUTM32bDXDgS9+DZA= =ajyz -----END PGP SIGNATURE-----