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internal/ed25519: rename twoD to D2

This commit is contained in:
Henry de Valence 2019-05-07 23:23:18 -07:00
parent 26af03f7b3
commit 9353104792
1 changed files with 3 additions and 3 deletions
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6
internal/edwards25519/edwards25519.go
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@ -18,7 +18,7 @@ import (
// D is a constant in the curve equation.
var D = &radix51.FieldElement{929955233495203, 466365720129213,
1662059464998953, 2033849074728123, 1442794654840575}
var twoD = new(radix51.FieldElement).Add(D, D)
var D2 = new(radix51.FieldElement).Add(D, D)
// Point types.
@ -125,14 +125,14 @@ func (v *ProjCached) FromP3(p *ProjP3) *ProjCached {
v.YplusX.Add(&p.Y, &p.X)
v.YminusX.Sub(&p.Y, &p.X)
v.Z.Set(&p.Z)
v.T2d.Mul(&p.T, twoD)
v.T2d.Mul(&p.T, D2)
return v
}
func (v *AffineCached) FromP3(p *ProjP3) *AffineCached {
v.YplusX.Add(&p.Y, &p.X)
v.YminusX.Sub(&p.Y, &p.X)
v.T2d.Mul(&p.T, twoD)
v.T2d.Mul(&p.T, D2)
var invZ radix51.FieldElement
invZ.Invert(&p.Z)