Page 11 - Demo_cryptography
P. 11

   Exercise 1.2
  Answer the following questions
1. Which are the frequency letter for Spanish language?
2. If every symbol in Spanish has the same probability, what would be the probability to choose an E? 3. Which are the three more frequent letters in Spanish?
4.Describe the main conditions that must satisfy the Vigenère cipher to be unconditionally secure?






























































































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