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-torrentserver-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:52:16 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum aa5ec60da67d0a676391df47a5699e566b21c7e7 * md5sum 5f26b40a1b5e6f1656d69b36362c92f5 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) iQEcBAABAgAGBQJSc3nHAAoJEIXCXpWhbrlNrwgH/jieuQxPpJlKCRdr8uhwgVCD OFRjsBuZ48p6RqHhVsxqJONIWL3Lsy7ZHszzoRr7ECBgwaHfxllWkjK5nnTlMs0D MERqzdm1F1XRzbOBrOZbvMY0RTRtbD1oAiR17Hv4laD77huX3+K2w+SNUNmFqjUa zLVkA/kLxa/mZ5EoPFnNpZh0OCqcd/MzQTWXEnbFCR+W1znsg3+pHx63fQBrDWR2 5L3XF/22u3jPxydnIdiL3VpmmWyL4bnBumh1NGHtZoiV8sYc3kFVUuNHLG9qGzVe 39huTet3yMb4iPlt+tplncp5unaikVoBOvLgy1kAZVJi11L2fkvGdDRuklFHXfM= =8dQ5 -----END PGP SIGNATURE-----