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-core_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 14:12:50 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f89f41541f84a669ebeafd46b3821cbdff95e463 * md5sum 3dbfa5dc92defb65c445c11820fee72e 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) iQEcBAABAgAGBQJSXU1dAAoJEIXCXpWhbrlNQ7EH/3xe6XDP5bjARDQTt4ewAHb/ DbryjGS9IGuR5Is+JlEpanCU82Ipp+oKU2Ini00pPQh1vKmuyjDozRuAp/yhbuC/ P721Wyf/YpzYXMrGR7Ba2cP4EXzHwvRC3I7awk0nkHj+BREv0N8p6fNFVXVVaMan XnQ7f/wuTfzGfikWJ31XeXLJDK3RjqWcGq8+XhjANXdIWlETWdbzF7ONbW/viUa0 AjX/GyF32fr7Gv80E0zmL1rI3IIrZVpPpMfF5WdJ2VTkX7dJ6AYmRsNXLHIci76A F86yHBzJAm39Tvm06LcTQgrd6d/Y2U26H78AU52qTrx+pINH2UDDyq0J44GaInw= =NoMj -----END PGP SIGNATURE-----