jbigi.jar was built by jrandom on Aug 21, 2004 with the jbigi and jcpuid 
native libraries compiled on linux, winXP (w/ MinGW), and freebsd (4.8).  
The GMP code in jbigi is from GMP-4.1.3 (http://www.swox.com/gmp/), and 
was optimized for a variety of CPU architectures.