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-7-turnkey-asp-net-apache_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 14:58:33 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 70a37d2848870d66f482b3566dcf705099117c78 * md5sum 6ba3d66c1abd195f3778cd87406289bd 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXVgSAAoJEIXCXpWhbrlN520H/2o2oqVJemFUZY0MKvTovYj7 G2gpO7osjIackK3OiY2kkL/QS3mY4DxU5l813mqAxOdf+9fmu0H75UFe/6bMn2w0 CtLk4QffgwDaEshhK7UjWwaUogVAjDezc3lrwsPGFjRD6P9+rnOgHcsUCQE9L8U9 2iwE1viWJK7wrNttjRPoDcAwQ3jBX4tdDVRtj9C0SjCw5+LBh/mRjjB7nt/vHBqM dNl+zguVmmo+KY94y03dAqZSZpbGqbIS7HJrwTWT2Gh910Cy1vdmNjuGizbBgGlP Mdi0JH8lt0aDbbH2hONn7sHo2i8oY7ILHG3UQmStzMj6O6oHO9gBCdGhTXRSjR4= =gP6h -----END PGP SIGNATURE-----