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Code Issues Releases Wiki Activity

internal/group: set Z to 1, not 0 in FromAffine

This commit is contained in:
Filippo Valsorda 2019-01-28 09:51:04 -05:00 committed by George Tankersley
parent 6781d1fcec
commit 032d7f64e8
1 changed files with 2 additions and 2 deletions
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4
internal/group/ge.go
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@ -171,7 +171,7 @@ type ProjectiveGroupElement struct {
func (v *ProjectiveGroupElement) FromAffine(x, y *big.Int) *ProjectiveGroupElement {
v.X.FromBig(x)
v.Y.FromBig(y)
v.Z.Zero()
v.Z.One()
return v
}
@ -226,7 +226,7 @@ func (v *ProjectiveGroupElement) Zero() *ProjectiveGroupElement {
func (v *ProjectiveGroupElement) DoubleZ1(u *ProjectiveGroupElement) *ProjectiveGroupElement {
var B, C, D, E, F radix51.FieldElement
if u.Z.Equal(radix51.Zero) != 1 {
if u.Z.Equal(radix51.One) != 1 {
panic("ed25519: DoubleZ1 called with Z != 1")
}