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Dual-ec-drbg is short for Dual Elliptic Curve Deterministic Random Bit Generator; a pseudorandom number generator based on the elliptic curve discrete logarithm problem.

7 votes

Does the backdoor in Dual_EC_DRBG work like that?

Not quite, but you're close. I will write $[n]A$ for scalar multiplication of the point $A$ on the curve in question by the scalar $n$, as is more typical notation, and I will write $x(A)$ for the le …
Squeamish Ossifrage's user avatar