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’S“–ŽÒ�F�X�ì ”Ž”V�EŽRŒû ‰p�E‘ºˆä �ƒ ‘æ02‰ñ 10/18/2000

To Publish or Not to Publish

• Secret algorithm
  
  
  • additional hurdle
    
    
• Hard to keep secret if widely used: reverse engineering, social engineering
  
  
• Published algorithm
  
  
  • Provides an enormous amount of free consulting
    
    
• Common today�fs practice
  
  
  • Commercial: to be published
    
    
  • Military: to be kept secret in order to avoid giving enemy good ideas (not just messages)