b := scMinusOne.Bytes() b[0] += 1 expectReject(b) b = scMinusOne.Bytes() b[31] += 1 expectReject(b) b = scMinusOne.Bytes() b[31] |= 0b1000_0000 expectReject(b) } func TestScalarSetUniform(t *testing.T) { mod, _ := new(big.Int).SetString("27742317777372353535", 10) mod.Add(mod, new(big.Int).Lsh(big.NewInt(1), 252)) f := func(in [64]byte, sc Scalar) bool { sc.SetUniformBytes(in[:]) repr := sc.Bytes() if !isReduced(repr) { return false } scBig := bigIntFromLittleEndi(repr[:]) inBig := bigIntFromLittleEndi(in[:])...