Version 0.6 of the NTRU cryptosystem is available at
http://sourceforge.net/projects/ntru/ as an open source Java
implementation.
NTRU is a public-key encryption and signature scheme. Its main
strengths are high performance and resistance to quantum attacks. For
more information, see http://en.wikipedia.org/wiki/NTRUEncrypt and
http://en.wikipedia.org/wiki/NTRUSign
Prashand Gupta