re looking for one way trap door password encryption etc algorithms michael levin wrote i am looking for references to algorithms which can be used for password encryption i e someone has a clear text word runs it through the algorithm and it becomes some other sequence of symbols i want this algorithm to have the property that it is a next to impossible to reverse and b would take too long to try all possible words to see which one works even by use of a high speed computer please send references or ideas to mlevin husc harvard edu the original one way encryption i put into multics about as suggested by joe weizenbaum was invertible an air force tiger team demonstrated this to me in may i then asked an expert who requested anonymity what i should use instead the expert s suggestion was to treat the byte password as both key and data for the lucifer encryption algorithm which is similar or identical to des this method or something stronger should take care of a issue b is discussed in comp security misc longer passwords and quality control on what users can choose as passwords are the common tactics tom vanvleck taligent com
