value. func bigEndianUint(buf []byte) uint { if _W == 64 { return uint(byteorder.BEUint64(buf)) } return uint(byteorder.BEUint32(buf)) } func (x *Nat) setBytes(b []byte) error { i, k := len(b), 0 for k < len(x.limbs) && i >= _S { x.limbs[k] = bigEndianUint(b[i-_S : i]) i -= _S k++ } for s := 0; s < _W && k < len(x.limbs) && i > 0; s += 8 { x.limbs[k] |= uint(b[i-1]) << s i-- } if i > 0 { return errors.New("input overflows the modulus size") } return nil } // SetUint assigns x = y. // // The output...