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-mongodb_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 22:21:20 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7d108249a169364ee6fa6e6c2b552c895e57dcab * md5sum 4df341d5c8b7d49ee01627ae7fbf00d8 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) iQEcBAABAgAGBQJRrmhYAAoJEIXCXpWhbrlNWvgIAORp62LnyteLtv9dP7TWeFD2 TYWWHgSCD3WDyOSyvJ33u/UX5MMtvlq3U++9dwP6xTfeXSeg3eTpAAF6Vf1tyuh9 KhBPSdPi3UP8z+3TV7yS3wT4KCobBVut+28YnawbOd6Vo838vkTny0w+CXWVnYG1 htDFWWTGj9ibSJXTdXlzv0HXvF/ihw1lS3Ym11fHCRWiM9fxLXjgTrWa0qVzSMJq 2zZ3LG5WVDL+vsMfgHb0kgi1pLNex6kUTT5vvOIV1VO6zkh9RL72seTSm5TW3YO+ QvL4TZkC4l4CLO0gIQON5qUrrUcmdl9lGQ/MV2b0PSvmKBBgjjBp5THbNIRpadc= =QAao -----END PGP SIGNATURE-----