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-processmaker-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 23:40:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ffd211574c11cc70bc520a86529a2807f224c940 * md5sum f7028ccd37cef1e82dbf5ae12ad58c68 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) iQEcBAABAgAGBQJRrnrSAAoJEIXCXpWhbrlNhswH/3ln5F0zG9ImglOqqiNi64gt FMKJjfMpm0gwCP0qFM7EL+YTuvnr+xjNhBW9LUbMEJFjkbEyY8ozfa6hgoN5mESI eh27QZbEj5GqM/W2tKocz0++BRwGO4KjOeg/gYbeVAVk65jfCMcOmbJvZfi3udP1 HLKv5K6jlprhl6YxsmUepMUBEabRCtmFY0Ot+wwCiUo+MGxEvL7oftCn978oeNzc uP1CaUGqdSZOC3HCLVTfuDMG6Q2QYXZlVhj95M9cBgPhyc/TXZzE2K/kKLVj/GbO kBx9VL6mVXgO+QAUQo5kkp9ikDB3YZEZpkx3SAyRELIZ6a7wfFLvRCtcKkjuMAI= =X+NG -----END PGP SIGNATURE-----