![\includegraphics[width=3em]{nikita.eps}](img2.png)
Nikita must communicate vital information to Michael, who is a thousand
kilometers away. Their communications are being monitored by
The Collective, which must not discover the message.
If Nikita and Michael could somehow agree on a secret encoding
key, they could encrypt their message. Fortunately, Nikita knows
about an algorithm developed by Diffie and Hellman in 1976.