'Index calculus' diaporamas de présentation

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????????. ???? ????? ??? http://www.cs.nctu.edu.tw/~rjchen/ECC2012S/. Outline. [1] Discrete Logarithm Problem [2] Algorithms for Discrete Logarithm [3] Cryptosystems Based on DLP [4] Elliptic Curves [5] Elliptic Curve DLP [6] Signature Scheme: ECDSA [7] How to find secure ECs?

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????????. ???? ????? ??? http://www.cs.nctu.edu.tw/~rjchen/ECC2009/. Outline. [1] Discrete Logarithm Problem [2] Algorithms for Discrete Logarithm [3] Cryptosystems Based on DLP [4] Elliptic Curves [5] Elliptic Curve DLP [6] Signature Scheme: ECDSA [7] How to find secure ECs?

554 views • 55 slides

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????????. ???? ????? ??? http://www.cs.nctu.edu.tw/~rjchen/ECC2012S/. Outline. [1] Discrete Logarithm Problem [2] Algorithms for Discrete Logarithm [3] Cryptosystems Based on DLP [4] Elliptic Curves [5] Elliptic Curve DLP [6] Signature Scheme: ECDSA [7] How to find secure ECs?

554 views • 55 slides

Discrete Log

Discrete Log. Discrete Logarithm. Discrete log problem: Given p , g and g a (mod p) , determine a This would break Diffie-Hellman and ElGamal Discrete log algorithms analogous to factoring, except no sieving This makes discrete log harder to solve

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Announcements: Term project groups and topics due midnight HW6 due next Tuesday. Questions?

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