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Crypthography
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Crypthography

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Transcript

  • 1. Western Town CollegeIntroduction to Cryptography Bruno Taboada
  • 2. Schedule● Motivation● What is it?● A brief history.● How does it work?● Conclusion
  • 3. Motivation● Recently we have a generation of people more and more dependent on information technology but many of them dont have any idea about risks involved on it.● Facebook, Cell Phones, Notebooks and any others are able to store data digitally.
  • 4. What is it?● Cryptography is the science of using the math to encrypt and decrypt data.● In my own words, Cryptography is the study of techniques to ensure the integrity, confidentiality and authentication.
  • 5. How does it work?
  • 6. How does it work?● All means of cryptography are based on intractability of a problem mathematics● The most famous are whole number or the discrete logarithm problems.● Both methods are efficient.
  • 7. A brief history.● The earliest forms of secret required nothing more than a piece of paper and writing as a much of people couldnt read.
  • 8. A brief history.
  • 9. A brief history.
  • 10. A brief history
  • 11. A brief history
  • 12. A brief history
  • 13. A brief history
  • 14. At Present
  • 15. Conclusion● From now on, We will never have anymore cryptography without computing.● For security reasons, the next wars in the world will use as much cryptography as possible.● The cryptography always has been a important role in the humanity.● Doesnt exist secure without cryptography.

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