64 uniformly distributed random bytes. func (s *Scalar) SetUniformBytes(x []byte) (*Scalar, error) { if len(x) != 64 { return nil, errors.New("edwards25519: invalid SetUniformBytes input length") } // We have a value x of 512 bits, but our fiatScalarFromBytes function // expects an input lower than l, which is a little over 252 bits. // // Instead of writing a reduction function that operates on wider inputs, we // can interpret x as the sum of three shorter values a, b, and c. // // x = a + b *...