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fixed fromAffine and toProj in golang

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This commit is contained in:
Vlad
2024-07-03 09:07:43 +02:00
parent 29da36d7be
commit f08b5bb49d
11 changed files with 185 additions and 31 deletions
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20
wrappers/golang/core/internal/mock_curve.go
View File

@@ -32,9 +32,15 @@ func (p *MockProjective) FromAffine(a MockAffine) MockProjective {
z := MockBaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -68,6 +74,14 @@ func (a *MockAffine) FromLimbs(x, y []uint32) MockAffine {
func (a MockAffine) ToProjective() MockProjective {
var z MockBaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return MockProjective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return MockProjective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bls12377/curve.go
View File

@@ -43,9 +43,15 @@ func (p *Projective) FromAffine(a Affine) Projective {
z := BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *Affine) FromLimbs(x, y []uint32) Affine {
func (a Affine) ToProjective() Projective {
var z BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bls12377/g2/curve.go
View File

@@ -43,9 +43,15 @@ func (p *G2Projective) FromAffine(a G2Affine) G2Projective {
z := G2BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *G2Affine) FromLimbs(x, y []uint32) G2Affine {
func (a G2Affine) ToProjective() G2Projective {
var z G2BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return G2Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return G2Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bls12381/curve.go
View File

@@ -43,9 +43,15 @@ func (p *Projective) FromAffine(a Affine) Projective {
z := BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *Affine) FromLimbs(x, y []uint32) Affine {
func (a Affine) ToProjective() Projective {
var z BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bls12381/g2/curve.go
View File

@@ -43,9 +43,15 @@ func (p *G2Projective) FromAffine(a G2Affine) G2Projective {
z := G2BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *G2Affine) FromLimbs(x, y []uint32) G2Affine {
func (a G2Affine) ToProjective() G2Projective {
var z G2BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return G2Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return G2Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bn254/curve.go
View File

@@ -43,9 +43,15 @@ func (p *Projective) FromAffine(a Affine) Projective {
z := BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *Affine) FromLimbs(x, y []uint32) Affine {
func (a Affine) ToProjective() Projective {
var z BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bn254/g2/curve.go
View File

@@ -43,9 +43,15 @@ func (p *G2Projective) FromAffine(a G2Affine) G2Projective {
z := G2BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *G2Affine) FromLimbs(x, y []uint32) G2Affine {
func (a G2Affine) ToProjective() G2Projective {
var z G2BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return G2Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return G2Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bw6761/curve.go
View File

@@ -43,9 +43,15 @@ func (p *Projective) FromAffine(a Affine) Projective {
z := BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *Affine) FromLimbs(x, y []uint32) Affine {
func (a Affine) ToProjective() Projective {
var z BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/bw6761/g2/curve.go
View File

@@ -43,9 +43,15 @@ func (p *G2Projective) FromAffine(a G2Affine) G2Projective {
z := G2BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *G2Affine) FromLimbs(x, y []uint32) G2Affine {
func (a G2Affine) ToProjective() G2Projective {
var z G2BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return G2Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return G2Projective{
X: a.X,
Y: a.Y,

20
wrappers/golang/curves/grumpkin/curve.go
View File

@@ -43,9 +43,15 @@ func (p *Projective) FromAffine(a Affine) Projective {
z := BaseField{}
z.One()
p.X = a.X
p.Y = a.Y
p.Z = z
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
} else {
p.X = a.X
p.Y = a.Y
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *Affine) FromLimbs(x, y []uint32) Affine {
func (a Affine) ToProjective() Projective {
var z BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return Projective{
X: a.X,
Y: a.Y,

16
wrappers/golang/internal/generator/curves/templates/curve.go.tmpl
View File

@@ -43,9 +43,15 @@ func (p *{{.CurvePrefix}}Projective) FromAffine(a {{.CurvePrefix}}Affine) {{.Cur
z := {{.CurvePrefix}}BaseField{}
z.One()
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
p.X = z.Zero()
p.Y = z.One()
p.Z = z.Zero()
}else{
p.X = a.X
p.Y = a.Y
p.Z = z
p.Z = z.One()
}
return *p
}
@@ -109,6 +115,14 @@ func (a *{{.CurvePrefix}}Affine) FromLimbs(x, y []uint32) {{.CurvePrefix}}Affine
func (a {{.CurvePrefix}}Affine) ToProjective() {{.CurvePrefix}}Projective {
var z {{.CurvePrefix}}BaseField
if (a.X == z.Zero()) && (a.Y == z.Zero()) {
return {{.CurvePrefix}}Projective{
X: z.Zero(),
Y: z.One(),
Z: z.Zero(),
}
}
return {{.CurvePrefix}}Projective{
X: a.X,
Y: a.Y,