checkNotDone();
      checkNotNull(bytes);
      mac.update(bytes);
    }

    private void checkNotDone() {
      checkState(!done, "Cannot re-use a Hasher after calling hash() on it");
    }

    @Override
    public HashCode hash() {
      checkNotDone();
      done = true;
      return HashCode.fromBytesNoCopy(mac.doFinal());
    }
  }

// each authentication attempt.
type XDGSCRAMClient struct {
	*scram.Client
	*scram.ClientConversation
	scram.HashGeneratorFcn
}

// Begin constructs a SCRAM client component based on a given hash.Hash
// factory receiver.  This constructor will normalize the username, password
// and authzID via the SASLprep algorithm, as recommended by RFC-5802.  If
// SASLprep fails, the method returns an error.

 * the License.
 */

// TODO(user): when things stabilize, flesh this out
/**
 * Hash functions and related structures.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/HashingExplained">hashing</a>.
 */
@CheckReturnValue
@NullMarked
package com.google.common.hash;

import com.google.errorprone.annotations.CheckReturnValue;

 * the License.
 */

package com.google.common.hash;

import static com.google.common.base.Preconditions.checkPositionIndexes;
import static com.google.common.hash.LittleEndianByteArray.load32;
import static com.google.common.hash.LittleEndianByteArray.load64;
import static java.lang.Long.rotateRight;

import com.google.common.annotations.VisibleForTesting;

   * #entriesDiffering()} of the two instances are equal.
   */
  @Override
  boolean equals(@Nullable Object object);

  /**
   * Returns the hash code for this instance. This is defined as the hash code of
   *
   * {@snippet :
   * Arrays.asList(entriesOnlyOnLeft(), entriesOnlyOnRight(),
   *     entriesInCommon(), entriesDiffering())
   * }
   */
  @Override
  int hashCode();

    try {
      tester.addEquivalenceGroup(group1Item1, group1Item2).test();
    } catch (AssertionFailedError expected) {
      String expectedMessage =
          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {

    try {
      tester.addEquivalenceGroup(group1Item1, group1Item2).test();
    } catch (AssertionFailedError expected) {
      String expectedMessage =
          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {

            byte[] hash = md.digest(input);
            System.arraycopy(hash, 0, derived, 0, Math.min(length, hash.length));

            // If we need more bytes, hash again with counter
            int counter = 1;
            while (derived.length > hash.length * counter) {
                md.update(input);
                md.update((byte) counter);
                hash = md.digest();

     *
     * @param dialect the SMB dialect version
     * @param sessionKey the base session key
     * @param preauthIntegrity the pre-authentication integrity hash (for SMB 3.1.1) or null
     * @return derived signing key
     */
    public static byte[] deriveSigningKey(final int dialect, final byte[] sessionKey, final byte[] preauthIntegrity) {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.hash;

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**