2600.com: "Dr. Matt Blaze is a research scientist at AT&T Laboratories,
where he studies the use of cryptography in computing and network
security. His research focuses on the architecture, design and
analysis of secure systems and on discovering new cryptographic
primitives and techniques. He invented the field of ?trust
management,? a unified approach for specifying and controlling
security policy in complex distributed systems, and leads the
KeyNote project at AT&T Laboratories."