Date: Fri, 31 Jan 1997 12:42:23 -0500 From: John Young <jya@pipeline.com> For a paper on CAST see: http://www.nortel.com/entprods/entrust/cast.html "Constructing Symmetric Ciphers Using the CAST Design Procedure" That URL didn't work, but the following URL did.... http://www.entrust.com/library.htm Does anyone know what the intellectual property status of CAST is? - Ted