It would be much easier for packagers if GNU Crypto were included directly in libgcj.
http://gcc.gnu.org/ml/java/2002-12/msg00137.html Confirmed, there might be a newer discussion that I cannot find right now.
Closing as won't fix as libgcj (and the java front-end) has been removed from the trunk.
Merged into GNU Classpath for 0.90 (2006-03-06).