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-mongodb-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 14:42:32 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0afbb9630b0329cd62e7f8b6c92f1a80153c4d83 * md5sum a4e818de31ba3568dcd2b08cdb84b1d6 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) iQEcBAABAgAGBQJRrfzSAAoJEIXCXpWhbrlNGH4IAOMQOkJtx7qaXFxzLPfno+AE UG/Kzqd4G2jZgtOce9/8Lj4H/9F/RCP8idvAhSfntG6ZBEvE2dMPRxDnORLZEg6Q w8OHzzSwRoc1LsfX0izuU2Hd9KRyUidAE8CUZGf3KeL9lfhIPEtzuPaE33Jg58oK /yY2CMFiGwxScIVeAqjZJlkj1uPcYYJ5N+nuNh9ule8tzSRWbRZQlw8Gr3F9Cuuf 8QT8703wqPnbu6vVfeccjOfYzH8LMYNQ1BWi8ZLYULC4/HjAzfNX5s4gemNN1f58 1O3eOM6bOt5rT0z4IQ2sutXu1+tnS9oOZECV11Pxej+lLkqmRBblhDPWlJGr/Jc= =mUGY -----END PGP SIGNATURE-----