_ Copyright 1990 Stig Ostholm. All Rights Reserved This software may be freely distributed an modified for non-commercial use. Some parts of this software contains parts written by other authors. The copyright notice from the original author is included in those cases. If you modify any of the files in this release, you must add a comment in the modified file indicating who modified it. If you find any bugs or porting problems, please inform me about the problem and send the modifications (if there are any). Additional restrictions due to national laws governing the use, import or export of cryptographic software is the responsibility of the software user, importer or exporter to follow. _ Stig Ostholm Department of Computer Engineering Chalmers University of Technology