Function hashToPoint

sign/bls/bls.go:54–62

hashToPoint hashes a message to a point on curve G1. XXX: This should be replaced eventually by a proper hash-to-point mapping like Elligator.

(suite suites.Suite, msg []byte)

// hashToPoint hashes a message to a point on curve G1. XXX: This should be replaced
// eventually by a proper hash-to-point mapping like Elligator.
func hashToPoint(suite suites.Suite, msg []byte) kyber.Point {
	hash := sha3.NewKeccak256()
	var buf []byte
	hash.Write(msg)
	buf = hash.Sum(buf)
	x := suite.G1().Scalar().SetBytes(buf)
	point := suite.G1().Point().Mul(x, nil)
	return point
}