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-symfony-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 10:29:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8845596617cb51e2ac35a0c0cfb07d7a3a6df22a * md5sum ec6a1f10d5ac251176690940feb9c47f 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) iQEcBAABAgAGBQJSXmqbAAoJEIXCXpWhbrlNtn8H/A8ze7U0zcGV7e5aQUswlyl+ WvrNqi7bhAnmvPobHdgdAuu9vmCanS8uYQe7ChBe+C20V72/PYSCO7ExOLo2vt6x b0lnjmSh2pifDfLPnS1Ov0S7n93p0NzNFlUEVQSYXl0OW/wpc8OWw6R5WFNWKEdt KaZHj2gd1TgMT1ZjMRbrLWMgXofojESnlSyRIUR1RF8/3iCaN5OrdKAo9CLCKBmp 8nVMLdQzJ6xMO2eClSEvRbQKApa6uylseqo5xUseBshspFxiwAL4EkTDdRLRd0FV Ik172pjDpHW4Jiaj2oQ2dwu2J0k8xfQ92jaqPGXHSlmYA1Xi6uBLdqId44lATy4= =Kxps -----END PGP SIGNATURE-----