Lib.rs

This library implements a twisted Edwards curve whose base field is the scalar field of the curve BW6_761. It is the same curve as that in ark-ed_on_cp6_782. This allows defining cryptographic primitives that use elliptic curves over the scalar field of the latter curve. This curve was generated as part of the paper [BCGMMW20, “Zexe”].

Curve information:

• Base field: q = 258664426012969094010652733694893533536393512754914660539884262666720468348340822774968888139573360124440321458177
• Scalar field: r = 32333053251621136751331591711861691692049189094364332567435817881934511297123972799646723302813083835942624121493
• Valuation(q - 1, 2) = 46
• Valuation(r - 1, 2) = 2
• Curve equation: ax^2 + y^2 =1 + dx^2y^2, where
  • a = -1
  • d = 79743