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crypto/bn256/gnark: align marshaling behavior

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This commit is contained in:
MariusVanDerWijden 2025-06-20 10:31:28 +02:00
parent 35dd61a3bf
commit 7fcfb98a28
1 changed files with 11 additions and 11 deletions
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22
crypto/bn256/gnark/g2.go
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@ -39,16 +39,16 @@ func (g *G2) Unmarshal(buf []byte) (int, error) {
g.inner.Y.A1.SetZero() g.inner.Y.A1.SetZero()
return 128, nil return 128, nil
} }
if err := g.inner.X.A0.SetBytesCanonical(buf[0:32]); err != nil { if err := g.inner.X.A1.SetBytesCanonical(buf[0:32]); err != nil {
return 0, err return 0, err
} }
if err := g.inner.X.A1.SetBytesCanonical(buf[32:64]); err != nil { if err := g.inner.X.A0.SetBytesCanonical(buf[32:64]); err != nil {
return 0, err return 0, err
} }
if err := g.inner.Y.A0.SetBytesCanonical(buf[64:96]); err != nil { if err := g.inner.Y.A1.SetBytesCanonical(buf[64:96]); err != nil {
return 0, err return 0, err
} }
if err := g.inner.Y.A1.SetBytesCanonical(buf[96:128]); err != nil { if err := g.inner.Y.A0.SetBytesCanonical(buf[96:128]); err != nil {
return 0, err return 0, err
} }
@ -69,17 +69,17 @@ func (g *G2) Unmarshal(buf []byte) (int, error) {
func (g *G2) Marshal() []byte { func (g *G2) Marshal() []byte {
output := make([]byte, 128) output := make([]byte, 128)
xA0Bytes := g.inner.X.A0.Bytes()
copy(output[:32], xA0Bytes[:])
xA1Bytes := g.inner.X.A1.Bytes() xA1Bytes := g.inner.X.A1.Bytes()
copy(output[32:64], xA1Bytes[:]) copy(output[:32], xA1Bytes[:])
yA0Bytes := g.inner.Y.A0.Bytes() xA0Bytes := g.inner.X.A0.Bytes()
copy(output[64:96], yA0Bytes[:]) copy(output[32:64], xA0Bytes[:])
yA1Bytes := g.inner.Y.A1.Bytes() yA1Bytes := g.inner.Y.A1.Bytes()
copy(output[96:128], yA1Bytes[:]) copy(output[64:96], yA1Bytes[:])
yA0Bytes := g.inner.Y.A0.Bytes()
copy(output[96:128], yA0Bytes[:])
return output return output
} }