The "rsaref" directory tree here is largely a copy of the March 1992 RSAREF 1.0 distribution. There have been some performance enhancements (as noted in the code), but the functionality is identical. See ../doc/rsaref-license.txt for the most recent (December 1992) version of the RSAREF License Agreement. It is more liberal than the one included here in the README.old file. /mrr