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22 votes
1 answer
778 views

Low-level proof of identity related to Weierstrass P-function

A theorem which can be extracted from Theorem V.1.1 of Silverman's "advanced topics in the theory of elliptic curves" is the following. Here $\mathbb{Q}(u)$ denotes rational functions in a ...
Kevin Buzzard's user avatar
2 votes
0 answers
110 views
+50

How to apply Pohlig Hellman using a very limited set of auxiliary inputs in that case?

So I was reading about Talotti, Paier, and Miculan - ECC’s Achilles’ Heel: Unveiling Weak Keys in Standardized Curves. The underlying idea is to lift the discrete logarithm problem to $\mathrm{prime}−...
user2284570's user avatar
0 votes
0 answers
139 views

State of the art on attempts to solve the elliptic curve discrete logarithm problem through transfering the problem to a weaker curve

Let an elliptic curve $E$, and 2 points on such curve $P$ and $O$ the methods I’m talking about consist in creating a weaker elliptic curve $F$ and mapping $P$ and $O$ to $F$ while successfully ...
user2284570's user avatar