public class AccessTokenHelper {

    protected static final String BEARER = "Bearer";

    protected Random random = new SecureRandom();

    public String generateAccessToken() {
        return RandomStringUtils.random(ComponentUtil.getFessConfig().getApiAccessTokenLengthAsInteger(), 0, 0, true, true, null, random);
    }

    public String getAccessTokenFromRequest(final HttpServletRequest request) {

type ObjectKey [32]byte

// GenerateKey generates a unique ObjectKey from a 256 bit external key
// and a source of randomness. If random is nil the default PRNG of the
// system (crypto/rand) is used.
func GenerateKey(extKey []byte, random io.Reader) (key ObjectKey) {
	if random == nil {
		random = rand.Reader
	}
	if len(extKey) != 32 { // safety check
		logger.CriticalIf(context.Background(), errors.New("crypto: invalid key length"))

 *
 * @author mike nonemacher
 */
@J2ktIncompatible // threads
@GwtIncompatible // threads
public class AtomicLongMapBasherTest extends TestCase {
  private final Random random = new Random(301);

  public void testModify_basher() throws Exception {
    int nTasks = 3000;
    int nThreads = 100;
    final int getsPerTask = 1000;
    final int deltaRange = 10000;
    final String key = "key";

// globalRand holds the global random state.
// It is only used at startup and for creating new m's.
// Otherwise the per-m random state should be used
// by calling goodrand.
var globalRand struct {
	lock  mutex
	seed  [32]byte
	state chacha8rand.State
	init  bool
}

var readRandomFailed bool

// randinit initializes the global random state.
// It must be called before any use of grand.
func randinit() {

 *
 * @author mike nonemacher
 */
@J2ktIncompatible // threads
@GwtIncompatible // threads
public class AtomicLongMapBasherTest extends TestCase {
  private final Random random = new Random(301);

  public void testModify_basher() throws Exception {
    int nTasks = 3000;
    int nThreads = 100;
    final int getsPerTask = 1000;
    final int deltaRange = 10000;
    final String key = "key";

	}
	associatedData, err := req.AssociatedData.MarshalText()
	if err != nil {
		return DEK{}, err
	}

	const randSize = 28
	random, err := sioutil.Random(randSize)
	if err != nil {
		return DEK{}, err
	}
	iv, nonce := random[:16], random[16:]

	prf := hmac.New(sha256.New, s.key)
	prf.Write(iv)
	key := prf.Sum(make([]byte, 0, prf.Size()))

	block, err := aes.NewCipher(key)

# See the OWNERS docs at https://go.k8s.io/owners

approvers:
  - Random-Liu
  - wangzhen127
reviewers:
  - Random-Liu

func (r *pcgRand) restore(randState, randInc uint64) {
	r.state = randState
	r.inc = randInc
}

// uint32 returns a pseudo-random uint32.
func (r *pcgRand) uint32() uint32 {
	x := r.state
	r.step()
	return bits.RotateLeft32(uint32(((x>>18)^x)>>27), -int(x>>59))
}

// intn returns a pseudo-random number in [0, n).
// n must fit in a uint32.
func (r *pcgRand) intn(n int) int {
	if int(uint32(n)) != n {
		panic("large Intn")

 */
public abstract class AbstractTestDirectoryProvider implements TestRule, TestDirectoryProvider {
    protected final TestFile root;
    private final String className;

    private static final Random RANDOM = new Random();
    private static final int ALL_DIGITS_AND_LETTERS_RADIX = 36;
    private static final int MAX_RANDOM_PART_VALUE = Integer.parseInt("zzzzz", ALL_DIGITS_AND_LETTERS_RADIX);

 */
package org.gradle.internal.time;

import java.io.IOException;
import java.util.Random;
import java.util.concurrent.TimeUnit;

public class ExponentialBackoff<S extends ExponentialBackoff.Signal> {

    private static final int CAP_FACTOR = 100;
    private static final long SLOT_TIME = 25;

    private final Random random = new Random();
    private final S signal;

    private final long slotTime;