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-mahara-12.0-squeeze-x86.iso.sig gpg: Signature made Sat Aug 18 17:17:17 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum eeba036a4f2222fec1c6ac05c0d00298f682239d * md5sum 4fb22b5d8b25f44c7c0678b2b87f0c39 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) iQEcBAABAgAGBQJQL84UAAoJEIXCXpWhbrlNbVYIAKOU7r7lN7MV5aVk9XejBshf yGA17H1FjjWwyj/x9XSUmbRJlgcvVQ0r/fwHatnfQHHMCzznMhnOOIxyuKhjyjiG ZvYNnamyrixPxpzGsq/hzzT7/wb0IaJDPCjBRCvxCAZrZ+CwGEWm0uRgAythEo6P JRqES8P+tnzpl29mzdt571lpozJcSd5CjQtRTFBRpPyPZTyBAdvagAvghPExL0ZA GvZLeQ0iJDskXNhtKk622pxJAQPaVwruW91/lCcJG+83snnLhZCT02yiM33n4Oar 102Kkzd4xkqusKfZRJOXk78THvCQkH02d3hIR3HqZZVAfgw0GDEZaDFo5g1u18w= =Pspw -----END PGP SIGNATURE-----