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-tendenci_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 10:26:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 326866967ca077ea11309b12c801ed6936914100 * md5sum 6fb49dcae60da4d4ae6938720400b0b0 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) iQEcBAABAgAGBQJSXmm2AAoJEIXCXpWhbrlNK6AH/jKkCP0LK5xMGhaaieIRlay3 ci0KDyVAwpgE0KdoZDE6qK8m6I1oP/KUo8e1NGQoz68SMrPQNY+1wbgxFsCw6Rbm 2l9Bk+IdYx6Iue9p7CIgeaYM9ZdxpcCakcN+W/TvRVDY1G7LhjyjJlL/PmuV6lbA l8daYHtGV1GN9y+ZpGAMmuxwjdpAcMOQc6O5/rwTH+J15OeUPZM1u0fXZ8VGdBCy PcecenQ2G38NGja89GuTe6eZtSSowSPJ6CNPxoAk5I4ARWe00QkKe7aisBC7+dWm UZOFFH6wX99wP+0rTjuNIvlUNocwA4ob+IXVSjJbWTkbTOvSixBtTwBmz3yrCRM= =CgHe -----END PGP SIGNATURE-----