owner = false
	}

	return cred, owner, ErrNone
}

// sumHMAC calculate hmac between two input byte array.
func sumHMAC(key []byte, data []byte) []byte {
	hash := hmac.New(sha256.New, key)
	hash.Write(data)
	return hash.Sum(nil)
}

// extractSignedHeaders extract signed headers from Authorization header
func extractSignedHeaders(signedHeaders []string, r *http.Request) (http.Header, APIErrorCode) {

## Downloads for v1.7.16


filename | sha256 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.7.16/kubernetes.tar.gz) | `428377630d711419e4c629b52899b44dd6f57d450b52b3d47c2304ccd24fa711`
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.7.16/kubernetes-src.tar.gz) | `127091b5a480871cb74bf4c0c2560b8dbe72edacda48b8da4a4318fb2f9c3d72`

### Client Binaries

filename | sha256 hash
-------- | -----------

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.hash;

import com.google.common.base.Preconditions;
import com.google.errorprone.annotations.Immutable;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;

      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());
    }
  }

  /** Returns the platform preferred implementation of a map based on a hash table. */
  static <K extends @Nullable Object, V extends @Nullable Object>
      Map<K, V> newHashMapWithExpectedSize(int expectedSize) {
    return Maps.newHashMapWithExpectedSize(expectedSize);
  }

  /**
   * Returns the platform preferred implementation of an insertion ordered map based on a hash
   * table.
   */

// 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.

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

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

        return NtlmContext.NTLMSSP_OID.equals(mechanism);
    }


    /**
     * Computes the 24 byte ANSI password hash given the 8 byte server challenge.
     * 
     * @param tc
     * @param chlng
     * @return the hash for the given challenge
     * @throws GeneralSecurityException
     */
    public byte[] getAnsiHash ( CIFSContext tc, byte[] chlng ) throws GeneralSecurityException {

New function [Comparable] returns the hash of comparable value v.

   */
  @VisibleForTesting static final double MAX_LOAD_FACTOR = 1.2;

  /**
   * Maximum allowed false positive probability of detecting a hash flooding attack given random
   * input.
   */
  @VisibleForTesting static final double HASH_FLOODING_FPP = 0.001;

  /**
   * Maximum allowed length of a hash table bucket before falling back to a j.u.HashMap based
   * implementation. Experimentally determined.
   */