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 debian-6-turnkey-limesurvey_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 14:09:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 941dc25a441284161eaf4d01c6da3f4020bc8eff * md5sum 97e22d930342ae3dea4572c228084eea 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) iQEcBAABAgAGBQJRrfUsAAoJEIXCXpWhbrlNt2wH/3wJKtxa1idJvqSbuNlN7MaV 1qEgRnY2iAUIu3Dit5eAfo9eVSHknP7BgTrL+7Bnu2By5A+A4X01Blo1bIB/c/ef DaDGZV7r+fMLlhb3qNJXFf6OlpTQKevh4GiKy0DE39i7N3T+2YHStYwaihIfO5rS KLiUiRHHfIMiEvXSoR5X8lOr3RuVPmdVuGXfpT121dYulqEx1TodSBdIgCDSarKC AvSZGzFJhuD1xSlqCzfjRI4neJ0pL4i/ExXoa5JdtXCElTPe0TBGD8mzf29KY2a+ oiCwNimcYRRTa3paGmMwkrcuz9FOLSDTUMgB7mKdS2gRPCTgcpiE40TXZUfPIiQ= =QsY5 -----END PGP SIGNATURE-----