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-mysql-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 22:39:18 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f6f78fe40b421813e8d5db81ec78de439d7a649b * md5sum 2ac77ac28a823313926cded64627cc3f 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) iQEcBAABAgAGBQJRrmyOAAoJEIXCXpWhbrlNSLwH/iGztWsHKW1DqH8FIvZIxsv9 OsN68zZI1FkTXZFbgdfo/evGFxWYPLJuDXzCDvmB0tfpUukBNj6dp24EkJiCjFOK 3mVTAB+czrAqp6L+CFbtOtVUlgVPPN6po+FoPT9abLa7iVZvmadFSp/e9k2ArrmK uZ3XsvEMSnhVhWf7tz4HefX0Sqv/tVe8KpsiZSz8+hkqxeyfSgik2cA4oaf/JCei NphcLoWPisGvtwBpyMD0i+Wv3aG07WVWNLEpuMQ4ars9mDbhUVhz3OOPninakoZ2 +HvnM2JjixSaPnoug2fQ86Ngecsl7OR2Pw64U/6LIF8JHf7wKtXL1u+6Fx9chfQ= =LdTQ -----END PGP SIGNATURE-----