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Thread: ECC questions

  1. #1
    BetterWang
    Guest

    ECC questions

    ECC curve E(Fp) y^2 = x^3 + a x + b (mod p)
    a point G on the curve.
    n points on the the curvie.
    private key q and k, with
    q*G=0 infinite; k*G=K

    first question: is q == n ?
    2nd : how to generate q after i choose a b p & G
    enctypt and decrypt has the same compute work to do?
    3rd : what different with calculate q and k
    they both calculate from G, can bruteforce q and k in the same time?
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  2. #2
    הבּרוּ נשׂאי כּלי יהוה mike's Avatar
    Join Date
    Mar 2001
    Posts
    491
    Frankly, I know almost nothing about ECC. The best I can do is refer you to Certicom's ECC tutorial pages:
    http://www.certicom.com/resources/ecc_tutorial/ecc_tutorial.html

  3. #3
    BetterWang
    Guest

    Smile

    finally, you replied, thanks anyway!~
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  4. #4
    I would also recommend check out this book if you can. It helped me out a lot when I was learning about ECC in my number theory class!

    Implementing Elliptic Curve Cryptography
    by Michael Rosing

    source code, etc. available at http://www.manning.com/Rosing

  5. #5
    Certicom link has changed:

    http://download.certicom.com/resources/ecc_tutorial/ecc_tutorial.html

    nathan

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