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-dokuwiki-13.0-wheezy-i386.iso.sig gpg: Signature made Mon Oct 14 17:25:42 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5f62e07843b339757445ecc2bd39b2040d19064c * md5sum ec4e1c6260fd885c06ece8ee89c1c0ae 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) iQEcBAABAgAGBQJSXCkLAAoJEIXCXpWhbrlNgzgIAL7fIcGlSFtkxg3v8uspX4tK iywfcBdm6DBaWP8BPRTBwEljHL9DkVCi7b5lM9b6yycbDI1fQAR1Gu3n5c/krN3i kr7s4/8HeFJW0adUilT+Hcky/5yUf338fyFv0eTVsmu5X0UBEa8jdr6Dt77oMgxK OkMaqZWZvnfeznQq1Zhk0oZLSFSebplBQxFxcC3j0SJ5+MyVp5qqHF7wsHJnYWV8 1ZPB1As9kKRNL7lSB0NXMLhblAxA9Ngm5KrblL3JvgNQZ0tJo3p8/mONJqfNEThn BRpHYQ5rlxz5XFtduk30DqaCgbvnO3nGsALPO9TQbwTpJG0J/eOgu8wsTK3lEx4= =Qgro -----END PGP SIGNATURE-----