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-7-turnkey-ejabberd_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 08:45:47 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 64181812f42582ede1afee764b4d26e37b040050 * md5sum 2b968de7c9fbdfcdbc4b3d9f346ba8a5 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) iQEcBAABAgAGBQJSXlI1AAoJEIXCXpWhbrlNgMsIAMMMzjeiFm0/LKB7XXoBtel2 gD8h1oI+5+WqgIXozlJlfY3aj91z7bhKNk8E+nokapwnYRW2newMy1e/tW3dnhoa 4GZericlZzTJ215JT/0igNKeeklSKSox2ytIgV4s3NxULNR+w6KL6G0Gf8pdlU8+ 4jsks9KeOF/eXe/enSeYufuPyMmdXyvpXR0jJOgFWbhReLdRvxex1+41VMUtHdFt mc+68VrrjhNl+gR/KZrUkHKJknoTWTAzX115DO3m0hsgMixk3dv7C4x5fERRHEk6 XlCN1naKHrnFCu3qlJC6XvAKRmOkLD+uVJsYWMt8jQA6w86KAMQ+lqqfxyOE3Qg= =OlxJ -----END PGP SIGNATURE-----