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_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 17:10:17 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a55167d7ccb58ad9023eec0adac5f3fd72f6d21e * md5sum 786098ec7de1f26585304cee90ba2912 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) iQEcBAABAgAGBQJRrh9yAAoJEIXCXpWhbrlNCOsH/jSYeuGcFMymoHddCWQrfCZj Fx8d2U+gwK1rgynlN5hs1RPRdNo4Aoeh5KiqWcep6jBYIn3MFdE0o690eL6hd+AE gOcmYtU16aFYZyAlB5AuilKsrBzPUKGQK9WOmQncUiQ//nj2ajQrVReS8jjApnFF H/e4Rc3YZGyVHSGiQleQbQThO2hcTTlQil7tHuw5HTCR2ls9L9v42kzR5BsJW8Wt 5UIAilMFXCl58bEa/m0Y1jfWu70JC8R8JhaX+nZhQ3cHaUZfdrEYkqOS2x4Kqtgx g1AApL5p3SmwxjfX9UCnew62uvn7mcFqdcGz+9XNxsbrXlPP/Qs39NWJlwHTIys= =5Kcr -----END PGP SIGNATURE-----