Cryptography in JavaScript, what the hell?!

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Cryptography in JavaScript, what the hell?!

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Cryptography in JavaScript, what the hell?!

  1. 1. cryptography in javascript what the hell?! ! brnojs a.k.a. stretnutie kamarátov javascriptu
  2. 2. introduction Cryptography What?
  3. 3. introduction Communication Alice Bob Eve
  4. 4. introduction Secure? Integrity
  5. 5. introduction Secure? Confidentiality
  6. 6. introduction Cryptography Why?
  7. 7. introduction Encryption and decryption ciphertext := Encrypt(key, message) ! message := Decrypt(key, ciphertext)
  8. 8. introduction Symmetric-key crypto C := E(K, M) M := D(K, C)
  9. 9. introduction Public-key crypto C := E(Kpublic, M) M := D(Kprivate, C)
  10. 10. problems Why is it hard? Entropy
  11. 11. problems Why is it hard? Performance
  12. 12. conclusion Konec Want to know more?
  13. 13. thank you for your attention Martin Kačmar @martinkacmar

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