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-6-turnkey-appengine-python_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:26:06 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum dbf63f79386234aca794a019821a42955493affa * md5sum e2f3eeb929c8c9096b6653f8ed9a399b 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) iQEcBAABAgAGBQJQM4xmAAoJEIXCXpWhbrlNRTkH/27tGJcA5iyGBHZlTC72w/6f +4+UTjganyBpPq1SL9wJMwudMxwM9Yiih08UwSXkm7qLNgsmggfZnsdVrjuD+TfO 9iDmVJHDBAEALUqoXsnqzw1Yr86lpWdcHzVLDigb1uxqAYKvnx0V2hZqTeuVoiH2 I/BD+YjejsyKsDBvi3W4A3yF2DeHyR9DUdhQ8kymfBfPjIkTkVUd2D8VbihNJfd2 MAs261DIfG6q5QdPNMzxsetzgW7tufyW3xr/QawIZIdYq4Llr6Jc5fTcAbIb8HmJ BF0KVKa88/5znqUSfVixNEoZkmTbJUFt7kzZvPxz2Z6DHDf0MvCTJLFBg4KZT2g= =pDiE -----END PGP SIGNATURE-----