clipperz
zero-knowledge web applications
        Giulio Cesare Solaroli


              6-7-8 February 2008
              ...
clipperz



             The internet is
           the safest place for
            your private and
             sensiti...
clipperz



           Your data is moving
clipperz



           Your data is moving


              >          >
clipperz




           Web applications
              are great!
clipperz




           Web applications
              are great!



                but ...
clipperz



        Would you give your
         health records
      to Google or Microsoft?
clipperz



        Would you give your
         health records
      to Google or Microsoft?

            ys Its   New Mi...
clipperz



               How about
           playing poker at
           AbsolutePoker.com?
clipperz



               How about
           playing poker at
           AbsolutePoker.com?

      AbsolutePoker       ...
clipperz




      Would you write your
     business plan with an
          online tool?
clipperz




      Would you write your
     business plan with an
          online tool?
clipperz




           It’s your data!
clipperz




           It’s your data!

             You should have
           exclusive ownership
               and co...
clipperz



      zero-knowledge
      web applications
clipperz



      zero-knowledge
      web applications
            Online services that know
           nothing about the...
clipperz




        clipperz online
      password manager
           www.clipperz.com
clipperz
clipperz
clipperz
clipperz
clipperz
clipperz




      How does it work?
clipperz




           Browser can do
             sexy things
clipperz




           Browser can do
             sexy things
clipperz




      Browser can do math
clipperz




      Browser can do math

        JavaScritpt transform every
      browser into a powerful number
         ...
clipperz


                            Server




           …#c13$u&94*...
clipperz


                            Server




           …#c13$u&94*...
clipperz


                            Server




           …#c13$u&94*...
clipperz


                                    Server

           hello



                   …#c13$u&94*...
clipperz


                                    Server

           hello



                   …#c13$u&94*...




         ...
clipperz




   The Crypto-engine
clipperz




   The Crypto-engine
               RET
          S EC
    T O P
      •    AES-256        •   SRP authentica...
clipperz




      More zero-knowledge
      applications to come ...
clipperz




      More zero-knowledge
      applications to come ...
                   personal finance manager
         ...
clipperz




       Conclusions
www.          clipperz .com
Marco Barulli
marco@clipperz.com
                                Clipperz srl
Giulio Cesare So...
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Clipperz.com online password manager
http://www.clipperz.com

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Lift '08 - Clipperz presentation

  1. clipperz zero-knowledge web applications Giulio Cesare Solaroli 6-7-8 February 2008 Geneva, Switzerland
  2. clipperz The internet is the safest place for your private and sensitive data.
  3. clipperz Your data is moving
  4. clipperz Your data is moving > >
  5. clipperz Web applications are great!
  6. clipperz Web applications are great! but ...
  7. clipperz Would you give your health records to Google or Microsoft?
  8. clipperz Would you give your health records to Google or Microsoft? ys Its New Microsoft Google and G oogle Sa latform Service Stores Microsoft Look to H ealth P Due I n Early Health Records Change Health Is 2008 Online Care
  9. clipperz How about playing poker at AbsolutePoker.com?
  10. clipperz How about playing poker at AbsolutePoker.com? AbsolutePoker The probed Absolut for insider nightma e cheating re
  11. clipperz Would you write your business plan with an online tool?
  12. clipperz Would you write your business plan with an online tool?
  13. clipperz It’s your data!
  14. clipperz It’s your data! You should have exclusive ownership and control.
  15. clipperz zero-knowledge web applications
  16. clipperz zero-knowledge web applications Online services that know nothing about their users and the data they handle.
  17. clipperz clipperz online password manager www.clipperz.com
  18. clipperz
  19. clipperz
  20. clipperz
  21. clipperz
  22. clipperz
  23. clipperz How does it work?
  24. clipperz Browser can do sexy things
  25. clipperz Browser can do sexy things
  26. clipperz Browser can do math
  27. clipperz Browser can do math JavaScritpt transform every browser into a powerful number crunching tool
  28. clipperz Server …#c13$u&94*...
  29. clipperz Server …#c13$u&94*...
  30. clipperz Server …#c13$u&94*...
  31. clipperz Server hello …#c13$u&94*...
  32. clipperz Server hello …#c13$u&94*... #c13 $u&w94 *
  33. clipperz The Crypto-engine
  34. clipperz The Crypto-engine RET S EC T O P • AES-256 • SRP authentication • SHA2-256 • ECC • Fortuna PRNG • …
  35. clipperz More zero-knowledge applications to come ...
  36. clipperz More zero-knowledge applications to come ... personal finance manager hosted wiki off-the-record web chat social gambling network for poker lovers medical record management ...
  37. clipperz Conclusions
  38. www. clipperz .com Marco Barulli marco@clipperz.com Clipperz srl Giulio Cesare Solaroli via Berti 137 giulio.cesare@clipperz.com Bagnacavallo - ITALY

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