val pin =
      Pin(
        "**.example.co.uk",
        "sha256/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
      )
    assertEquals("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=".decodeBase64(), pin.hash)
    assertEquals("sha256", pin.hashAlgorithm)
    assertEquals("**.example.co.uk", pin.pattern)
    assertTrue(pin.matchesHostname("www.example.co.uk"))
    assertTrue(pin.matchesHostname("gopher.example.co.uk"))

		if err != nil {
			return false
		}
		r.Body = hash.NewChecker(r.Body, md5.New(), want, r.ContentLength)
		return true
	}
	cs, err := hash.GetContentChecksum(r.Header)
	if err != nil {
		return false
	}
	if cs == nil || !cs.Type.IsSet() {
		return false
	}
	if cs.Valid() && !cs.Type.Trailing() {
		r.Body = hash.NewChecker(r.Body, cs.Type.Hasher(), cs.Raw, r.ContentLength)
	}
	return true

- Kubelet reported a hash of the credential provider configuration via the `kubelet_credential_provider_config_info` metric. The hash was exposed in the `hash` label. ([#133016](https://github.com/kubernetes/kubernetes/pull/133016), [@aramase](https://github.com/aramase)) [SIG API Machinery and Auth]

    // Secure key management
    private SecureKeyManager keyManager;
    private String sessionId;
    private volatile boolean closed = false;

    // Store session key and preauth hash for key rotation
    private byte[] sessionKey;
    private byte[] preauthIntegrityHash;
    private int rotationCount = 0;

    // Key rotation tracking - use atomic for lock-free operations

		parts := make([]CompletePart, len(objInfo.Parts))
		for i, part := range objInfo.Parts {
			hr, err := hash.NewReader(ctx, io.LimitReader(gr, part.Size), part.Size, "", "", part.ActualSize)
			if err != nil {
				return fmt.Errorf("decommissionObject: hash.NewReader() %w", err)
			}
			pi, err := z.PutObjectPart(ctx, bucket, objInfo.Name, res.UploadID,
				part.Number,
				NewPutObjReader(hr),

/*
 * SipHash-c-d was designed by Jean-Philippe Aumasson and Daniel J. Bernstein and is described in
 * "SipHash: a fast short-input PRF" (available at https://131002.net/siphash/siphash.pdf).
 */

package com.google.common.hash;

import static com.google.common.base.Preconditions.checkArgument;

import com.google.errorprone.annotations.Immutable;
import java.io.Serializable;
import java.nio.ByteBuffer;

                        && Objects.equals(type, that.type);
            }

            @Override
            public int hashCode() {
                return Objects.hash(groupId, artifactId, version, classifier, extension, type);
            }

            @Override
            public String toString() {
                return "ArtifactFactoryRequest[" + "groupId='"

 * 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.annotations.Beta;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;

/**

        this.id = id;
        this.transitive = transitive;
    }

    /**
     * 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
    public String id() {
        return id;
    }

    public boolean isTransitive() {
        return transitive;

     * Implementations must ensure that if two requests are equal according to
     * {@link #equals(Object)}, they have the same hashcode.
     *
     * @return a hash code value for this request
     */
    @Override
    int hashCode();

    /**
     * Returns {@code true} if the specified object is equal to this request.