// Copyright 2018 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

// Package randutil contains internal randomness utilities for various

// crypto packages.

package randutil

import (

"io"

"math/rand/v2"

)

// MaybeReadByte reads a single byte from r with 50% probability. This is used

// to ensure that callers do not depend on non-guaranteed behaviour, e.g.

// assuming that rsa.GenerateKey is deterministic w.r.t. a given random stream.

//

// This does not affect tests that pass a stream of fixed bytes as the random

// source (e.g. a zeroReader).

func MaybeReadByte(r io.Reader) {

}