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.

# v1.2.6

[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/release-1.2/examples)

## Downloads for v1.2.6

binary | sha1 hash | md5 hash
------ | --------- | --------
[kubernetes.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.2.6/kubernetes.tar.gz) | `50023455d00af52c41a7158b4bd117b2dfd4a100` | `cf0411bcb620eb13b08b93578efffc43`

package crypto

import (
	"bytes"
	"context"
	"crypto/hmac"
	"crypto/rand"
	"encoding/binary"
	"errors"
	"io"
	"path"

	"github.com/minio/minio/internal/hash/sha256"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/sio"
)

// ObjectKey is a 256 bit secret key used to encrypt the object.
// It must never be stored in plaintext.
type ObjectKey [32]byte

 * 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

    --hash=sha256:0af291f4fe114be0280cdd29d533696a77b5b49cfde5467176ecab32353395c4 \
    --hash=sha256:0f55e69f030f7163dffe9fd0752b32f070566451afe180f99dbeeb81f511ad8d \
    --hash=sha256:1a2bc9f351a75ef49d664206d51f8e5ede9da246602dc2d2726837620ea034b2 \
    --hash=sha256:22e14b5d70560b8dd51ec22863f370d1e595ac3d024cb8ad7d308b4cd95f8313 \
    --hash=sha256:234ac59ea147c59ee4da87a0c0f098e9c8d169f4dc2a159ef720f1a61bbe27cd \

    this.lastInKeyInsertionOrder = null;
    this.size = 0;
    this.mask = tableSize - 1;
    this.modCount = 0;
  }

  /**
   * Finds and removes {@code node} from the key-to-value hash table, the value-to-key hash table,
   * and the iteration-order chain. This includes clearing its own references to other entries.
   */
  private void delete(Node<K, V> node) {
    int keyBucket = node.keyHash & mask;

    --hash=sha256:0af291f4fe114be0280cdd29d533696a77b5b49cfde5467176ecab32353395c4 \
    --hash=sha256:0f55e69f030f7163dffe9fd0752b32f070566451afe180f99dbeeb81f511ad8d \
    --hash=sha256:1a2bc9f351a75ef49d664206d51f8e5ede9da246602dc2d2726837620ea034b2 \
    --hash=sha256:22e14b5d70560b8dd51ec22863f370d1e595ac3d024cb8ad7d308b4cd95f8313 \
    --hash=sha256:234ac59ea147c59ee4da87a0c0f098e9c8d169f4dc2a159ef720f1a61bbe27cd \

    --hash=sha256:0af291f4fe114be0280cdd29d533696a77b5b49cfde5467176ecab32353395c4 \
    --hash=sha256:0f55e69f030f7163dffe9fd0752b32f070566451afe180f99dbeeb81f511ad8d \
    --hash=sha256:1a2bc9f351a75ef49d664206d51f8e5ede9da246602dc2d2726837620ea034b2 \
    --hash=sha256:22e14b5d70560b8dd51ec22863f370d1e595ac3d024cb8ad7d308b4cd95f8313 \
    --hash=sha256:234ac59ea147c59ee4da87a0c0f098e9c8d169f4dc2a159ef720f1a61bbe27cd \

   */
  open fun isOneShot(): Boolean = false

  /**
   * Returns the SHA-256 hash of this [RequestBody]
   */
  @Throws(IOException::class)
  fun sha256(): ByteString {
    val hashingSink = HashingSink.sha256(blackholeSink())
    hashingSink.buffer().use {
      this.writeTo(it)
    }
    return hashingSink.hash
  }

  companion object {
    /** Empty request body with no content-type. */