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-revision-control_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 18:35:37 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7af1e83f46c18c6c0cc86d54206523c9b6adcd0e * md5sum 818bc55ab12823d524c7c9cb3b3de12a 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) iQEcBAABAgAGBQJSXYryAAoJEIXCXpWhbrlNuF0IAOrZ5MbshpxvrXsW4WNtZCOb EHFkjfqdbuquKUH2+Xw+9OnEAuJkRou7lJnM9fqS8xQKmALJS74AAh9CuRqBk2wm ns4B9cyVdXRnpbdak90vDyTeuONKLVuz88AUZ3UjYPoo6CH11oaqfwldUXeecANX MBF4ktifRCRvamUBdfUuMIWY/ZxH++PqNJU5mvndcsXG2n3B4P57U8zRxXJyVcTp Wj5ecEsewyMsgKIKhfytfxvTa9/7hrqF76HDcLGO96jykOvjKMuEighIJ8RfEoLJ BgKHzmxG0d4LtK3oGiCI+ZXqAXjsP9vj8oX2sIR7/RGwcrc+qfYWBK5i1HydGm0= =GyDj -----END PGP SIGNATURE-----