Wei Dai
Here you can find some software and articles that I've written.
cryptography:
Crypto++, a free C++ library for cryptography
speed benchmarks for various ciphers and hash functions
Home Pages of Cryptography Related People
The VMAC Internet Draft
a note about applications of Lucas sequences in cryptography
the crypto-optimization mailing list
an attack against SSH2 protocol
anonymity:
PipeNet, a protocol for low-latency anonymous communication
two attacks against a PipeNet-like protocol once used by the Freedom service
b-money, a scheme for a group of untraceable digital pseudonyms to pay each other with money and to enforce contracts amongst themselves without outside help
social costs of intelligence:
Why good memory could be bad for you: game theoretic analysis of a monopolist with memory.
Why cleverness could be bad for you: a game where the smarter players lose.
miscellaneous ideas:
A really simple interpretation of quantum mechanics.
How to make more money with your employee stock options at no extra risk.
What should advanced civilizations do with waste heat? Use black holes as heat sinks.
An alternative to intellectual property: government funding of information goods based on measured value.
decision theory, rationality, and the Singularity:
My posts on Less Wrong, "a community blog devoted to refining the art of human rationality".
other places I used to hang out:
cypherpunks
extropians (my mirror of 1996-2003 extropians archive)
SL4
everything-list
Use this form to email  me, or write to "weidai+webmaster" at my personal domain. You may want to do both in order to increase the chances of your email getting to me past various obstacles such as spam filters. Alternatively, if you have any questions for me that can be answered in public, please visit my AMA on Less Wrong and post your questions there.
If you wish to encrypt your email to me, you can download my PGP public key here.
Written by: Wei Dai Last modified: 9/11/2014