Method Unmarshal

crypto/secp256k1/curve.go:297–308

Unmarshal converts a point, serialised by Marshal, into an x, y pair. On error, x = nil.

(data []byte)

// Unmarshal converts a point, serialised by Marshal, into an x, y pair. On
// error, x = nil.
func (BitCurve *BitCurve) Unmarshal(data []byte) (x, y *big.Int) {
	byteLen := (BitCurve.BitSize + 7) >> 3
	if len(data) != 1+2*byteLen {
		return
	}
	if data[0] != 4 { // uncompressed form
		return
	}
	x = new(big.Int).SetBytes(data[1 : 1+byteLen])
	y = new(big.Int).SetBytes(data[1+byteLen:])
	return
}

var theCurve = new(BitCurve)