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Saturday, September 13, 2003

I've been reading up on Identity Based Encryption (IBE) lately. Basicly, this is a subset of cryptography that is trying to get around the problems with standard public-key infrastructures (PKI). In Identity Based Encryption, any string can be used to generate a public key, such as using an email address or a username. The great thing about this is that now any person can figure out what my public key is from some well-known string, such as "BradGNUberg", without having to consult a public-key infrastructure. I'm interested in this because I am a P2P hacker, and I've been trying to figure out ways to do an end-run around Zooko's Triangle, which basicly states that you can't have a naming system that is decentralized, secure, and human-friendly all at the same time. I've currently built a light-weight domain name system in the JXTA P2P Sockets project, but it is not secure.

Some IBE resources I've found:

Some other interesting papers I found while trolling for IBE stuff:
Secure Communication in a Distributed System Using Identity Based Encryption

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