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-oscommerce_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 14:56:50 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5809127a9183d283c9aa131b4d680b8e88ab5f09 * md5sum b0d3d435591e13a51761a804f6006c3e 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) iQEcBAABAgAGBQJRrgAsAAoJEIXCXpWhbrlN0xYIAIfeCNbAEDmztZ8+dqtjoR6I 8N1gPb2rpzTf/tn1kJIpTs6mPUGy1E3XXXF9W7FXco1K0jilUTKwgYVl1JV1+5OS LaKRlWI2s8CjmeVae5rfvL78AmDligo8wZHrzXcCJjTj0bCojY/EvDN2BfzV0oOc siptyU92ZjIAgOBYZFGF/hJFm4m8cfvo/XYTzWCwbDng/hOmM3frAjk6d04FljFy tatLfRNlz/vmNbC5PeMPbh9IXtBtyjWzbVQL6R+ebs2KcZHBUtqIEjm654pYiDIM V5YWlxqThyJhnEbeb8PaAd4UTra37ENZ9ighTodSUTmWxaf+XObYziuStJGjCIk= =K0Jn -----END PGP SIGNATURE-----