Und noch eine, um einen Benutzer zu authentifizieren und zurückzugeben.

{* ../../docs_src/security/tutorial004_an_py310.py hl[8,49,51,58:59,62:63,72:79] *}

Wenn `authenticate_user` mit einem Benutzernamen aufgerufen wird, der in der Datenbank nicht existiert, führen wir dennoch `verify_password` gegen einen Dummy-Hash aus.

    - [Changed](#changed-20)
    - [Removed](#removed-20)

<!-- END MUNGE: GENERATED_TOC -->

# v1.31.14


## Downloads for v1.31.14



### Source Code

filename | sha512 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.31.14/kubernetes.tar.gz) | 9896931d97bdfe4743389306cb00631ab88bc8efae37ca7397ce8933512368f62c497e3a0dc3726119e7c86d55d987581a1ac270e82b42dea82a5c21708ec2f2

    - [Changed](#changed-22)
    - [Removed](#removed-22)

<!-- END MUNGE: GENERATED_TOC -->

# v1.25.16


## Downloads for v1.25.16



### Source Code

filename | sha512 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.25.16/kubernetes.tar.gz) | 4778dada85b833e9d3a12627fc7641343a1e83391f2e5d525adf7d1dd65d3a6b63945ad11741ea79b2f5a8bf867de49a91c80a0b96fe0cfecd011bb134e6088c

    - [Changed](#changed-22)
    - [Removed](#removed-22)

<!-- END MUNGE: GENERATED_TOC -->

# v1.20.15


## Downloads for v1.20.15

### Source Code

filename | sha512 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.20.15/kubernetes.tar.gz) | 470f3c6779d9bb19adc7153f2f7a235f4ce4c30cab193b630683b86853508bd670d4d6866c3a9a601b7b074a03d194efe18f131607ca78bbc9dba91c4285ca75

 * 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.Supplier;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Source of {@link LongAddable} objects that deals with GWT, Unsafe, and all that.
 *
 * @author Louis Wasserman

        adjust = ~~adjust;
        // in GWT, we have to deal with integer overflow carefully
      }
      int hash = 1;
      for (Set<E> axis : axes) {
        hash = 31 * hash + (size() / axis.size() * axis.hashCode());

        hash = ~~hash;
      }
      hash += adjust;
      return ~~hash;
    }
  }

  /**
   * Returns the set of all possible subsets of {@code set}. For example, {@code

    assertThat(sha512().newHasher().hash().toString()).isEqualTo(init);

    String asciiHash =
        "65d4ba90de6e2733e2364c8baf514b557d18fdda9c8227c68c2e7a7190d8888b4919f84ce412be8fa548298d36fe1f762b38c562bb147e04835e3a52f251ae34";
    assertThat(Files.hash(asciiFile, sha512()).toString()).isEqualTo(asciiHash);

    String i18nHash =

  }

  /**
   * Sets the minimum total size for the internal hash tables. For example, if the initial capacity
   * is {@code 60}, and the concurrency level is {@code 8}, then eight segments are created, each
   * having a hash table of size eight. Providing a large enough estimate at construction time

 * 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.security.MessageDigest;
import org.jspecify.annotations.NullUnmarked;

/**

 *
 * @since 4.0.0
 */
@Experimental
public interface ExtensibleEnum {

    /**
     * The {@code id} uniquely represents a value for this extensible enum.
     * This id should be used to compute the equality and hash code for the instance.
     *
     * @return the id
     */
    @Nonnull
    String id();