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-yiiframework_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 01:30:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 633bdca8343aa752f593b7941ae90fe8972c638a * md5sum f39aab9650babd0b7ecb4a4bce641de5 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) iQEcBAABAgAGBQJRrpTBAAoJEIXCXpWhbrlNFuIIAKqMYxey7cd3lXHDtnNw3NTJ 0VkX2awTQNAu/JApvaVO/+fs82VN5vUTdtlZSSJHQzcSa6IYPnl66BX+GZuWS0V3 7YoTO1KPQbM8Od+i8AI1vr3ewK+EWV+53OCytp4shjg8OtyPTVw62XWaq95/yd7k nfFVG1ETECynLB/Fw7Vjj2AuY/Er4RICiepgOTb44AW4my7SwZkV9o9ScXypCLTz +XLqE8esq3TU95gX1IiLXcI+m3TOqkXi27XyquTf3C0BaWUqfVi/txNG1RA9U4RA iUlhfxJt8WTgB1f/9Hunl5qT8V+httjGCBO628azyvvXMJKUgllCiieFp+7MGSs= =UcaO -----END PGP SIGNATURE-----