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-tomcat-apache-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 19:43:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum db8e5b56ea4a898ba982871103325a7d88305033 * md5sum 70bc9a68da46cc57192f580ca09da68b 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) iQEcBAABAgAGBQJSXZrsAAoJEIXCXpWhbrlN+bwIAL5BoVKPoqDxLlHtOySMw+GE V8skeRwNczU6/nzuuZzYOFc1BGjKEZO9U34g/LSIkuAAts4ZZ9wXLkrjvY9KSVK2 RK9HG8OE473t0ptL84+WUS/WWRkDVPH/Q+EVy9axBgbLLKq6eBSYAoLo+2nLx3OM mIPtgAVGzgJnYspUwafWSKmgjqIUQuwLTiSw3KY9MELdAQBM1OzkLN7IknU4iqkZ aDxwAcmRkWeePVpiUaUr1qgRsBISa6rHhn2VG9h0G0w3TXGMLfML1qAORsixssnC BeMPuMwxVTujZsGPPJp4fM0LpsqHv4ngFeCUl7SKsk1d85wUa17Xgm8ItNL8kas= =v1xs -----END PGP SIGNATURE-----