Journey into cryptography

Topic outline

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  General

  • News forum
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  1 Lesson.Ancient cryptography
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  What_is_cryptography
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  The_Caesar_cipher

  • The Caesar ciper emulator Page
  • The cipher ceasar with keyword Page
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  Polyalphabetic_cipher
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  The one-time pad
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  Frequency stability property short film
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  The Enigma encryption machine
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  Perfect secrecy
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  Pseudorandom number generator
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  Lesson2&3 not ready yet...
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  4 Lesson.Modern cryptography
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  The fundamental theorem of arithmetic
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  Public key cryptography
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  The discrete logarithm problem
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  Diffie-hellman key exchange
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  RSA encryption Step 1
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  RSA encryption Step 2
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  RSA encryption Step 3
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  Eulers totient function
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  RSA encryption Step 4
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  What should we learn next
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  5 Lesson not ready yet
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  6 Lesson.Primality test
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  Primality test challenge
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  What is computer memory
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  Algorithmic efficiency
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  Sieve of Eratosthenes
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  Primality test with sieve
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  The prime number theorem
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  Time space tradeoff
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  Summary (whats next)
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  7 Lesson. Randomized algorithms
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  1.Randomized algorithms (intro) Journey into cryptography Computer Science
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  2.Conditional Probability
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  3. Random primality test (warm up) Journey into cryptography Computer Science
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  4.Fermats little theorem Journey into cryptography Computer Science
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  5.Fermat primality test (Prime Adventure Part 10)