Using Sage, the Bellaso cipher can be enhanced to provide an excellent approximation to the (theoretically unbreakable) one-time-pad. A worksheet demonstrating this is available at:
http://sagenb.org/home/pub/4380 This worksheet, together with another evaluating the cipher, and sample text files can also be downloaded at: http://ruralmath.org Comments and suggestions are most welcome. John McNally -- You received this message because you are subscribed to the Google Groups "sage-edu" group. To post to this group, send email to sage-edu@googlegroups.com. To unsubscribe from this group, send email to sage-edu+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sage-edu?hl=en.
