most significant bit b := new(big.Int).SetBytes(swapEndianness(in[:])) fe1.fromBig(b) if fe != fe1 { return false } buf := make([]byte, 32) buf = swapEndianness(fe1.toBig().FillBytes(buf)) return bytes.Equal(fe.Bytes(), buf) && isInBounds(&fe) && isInBounds(&fe1) } if err := quick.Check(f1, nil); err != nil { t.Error(err) } } // fromBig sets v = n, and returns v. The bit length of n must not exceed 256. func (v *Element) fromBig(n *big.Int) *Element { if n.BitLen() > 32*8 { panic("edwards25519: invalid...