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-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 16:31:21 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f68b695eac6d1a248f5e9b00b850677db716ed11 * md5sum b35b7b75f4b14bd878752c425aaa3600 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) iQEcBAABAgAGBQJRrhZRAAoJEIXCXpWhbrlNoFwH/3euf/6Dl/n0Ift9FPOU5iFf NbjoxzyuJFDIG4j2wWRAnHsqqjxEicNKDsqpoe4PxgrWa0I6BwXVOAt2gSb8SG4F w5wEUjQ7hkD78zJs5aw7tpmNn9WomtITOJPPU8xCuzdBfgP/0uSEMgWW7l643f+5 njt3e2kmM3xIJylVzkeQdrrkZQAXyy7qQ54v80ogrGFKZHWf+yvhuDWTPokpkm2b 9VtxLdVntkmtWFW+TvOQ+3GJLcQt0ekwGTIbzyhinbyATdvZsatmzAzMIIR55it3 dOiSGmZ50RtZYSU6FgfAdHLu1RBTGUimAuM5WF8SsBRlZ5xFB5J4y7zkaTB5a7w= =jf4N -----END PGP SIGNATURE-----