Question
a. How many possible keys does the Playfair cipher have? Ignore the fact that some keys might produce identical encryption results. Express your answer as
a. How many possible keys does the Playfair cipher have? Ignore the fact that some keys might produce identical encryption results. Express your answer as an approximate power of 2. b. Now take into account the fact that some Playfair keys produce the same encryption results. How many effectively unique keys does the Playfair cipher have?
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Advances In Spatial Databases Third International Symposium Ssd 93 Singapore June 1993 Proceedings Lncs 692
Authors: David Abel ,Beng Chin Ooi
1st Edition
3540568697, 978-3540568698
