As of December 2005, this is Kevin Fu's PGP key. My old keys under the username fubob at mit.edu still exist, but are too old to be considered uncompromised.

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.2.4 (Darwin)

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t+x09kiQAGFP6xAlppkN7mFN/peTZH5IqVxsh2+ww0bACEQS5eFInb8eZh5awPVJ
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HGPmT7qed30HQY0zH9ZmTtahnVhIeXqQN3OeiH9s/vJNC7sDa7lmJSUrVAXF6IFZ
ok5P/WlS4HaGiLgVU8+F3CKah5sewIhJBBgRAgAJBQJDmJpuAhsMAAoJEOBsLq4H
A0z2Qy8An21UAcFOIC45FZ8XCZthn+154RpsAJ9z0h/pUq3sgV/Xa+yRHlNMRLz7
Ag==
=SxTz
-----END PGP PUBLIC KEY BLOCK-----