XPost: comp.misc   
   From: mok-kong.shen@t-online.de   
      
   BASICS is a simple encryption scheme (with authentication) based on   
   permutations and dynamic substitutions of characters.   
      
   In order that the encryption operations involved could be most easily   
   understood by the common users, the scheme highly closely follows the   
   simple and popularly known classical schemes of transposition and   
   substitution but which nonetheless, due to the high dynamics realized   
   via corresponding computer programming means, are strong enough to   
   resist attacks of the adversary with modern analysis resources.   
      
   The code is available at: http://s13.zetaboards.com/Crypto/topic/7425974/1/   
      
   M. K. Shen   
      
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