* The checksum extension SHOULD NOT contain dot (".") character.
         * Example: "sha1".
         */
        @Nonnull
        String getFileExtension();

        /**
         * Each invocation of this method returns a new instance of calculator, never {@code null} value.
         */
        @Nonnull
        ChecksumCalculator getCalculator();
    }

 * supporting various checksum algorithms including HMAC-MD5 and HMAC-SHA1 with AES.
 */
public class PacSignature {

    /**
     * Kerberos checksum type for HMAC-MD5 (ARCFOUR-HMAC).
     */
    public static final int KERB_CHECKSUM_HMAC_MD5 = 0xFFFFFF76;
    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-128.
     */
    public static final int HMAC_SHA1_96_AES128 = 0x0000000F;
    /**

  GOOD_FAST_HASH_128(goodFastHash(128)),
  GOOD_FAST_HASH_256(goodFastHash(256)),
  MD5(md5()),
  MURMUR3_128(murmur3_128()),
  MURMUR3_32(murmur3_32()),
  MURMUR3_32_FIXED(murmur3_32_fixed()),
  SHA1(sha1()),
  SHA256(sha256()),
  SHA384(sha384()),
  SHA512(sha512()),
  SIP_HASH24(sipHash24()),
  FARMHASH_FINGERPRINT_64(farmHashFingerprint64()),

  }

  public void testSha1() {
    HashTestUtils.checkAvalanche(Hashing.sha1(), 100, 0.4);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.sha1());
    HashTestUtils.checkNoFunnels(Hashing.sha1());
    HashTestUtils.assertInvariants(Hashing.sha1());
    assertThat(Hashing.sha1().toString()).isEqualTo("Hashing.sha1()");
  }

  public void testSha256() {
    HashTestUtils.checkAvalanche(Hashing.sha256(), 100, 0.4);

  GOOD_FAST_HASH_128(goodFastHash(128)),
  GOOD_FAST_HASH_256(goodFastHash(256)),
  MD5(md5()),
  MURMUR3_128(murmur3_128()),
  MURMUR3_32(murmur3_32()),
  MURMUR3_32_FIXED(murmur3_32_fixed()),
  SHA1(sha1()),
  SHA256(sha256()),
  SHA384(sha384()),
  SHA512(sha512()),
  SIP_HASH24(sipHash24()),
  FARMHASH_FINGERPRINT_64(farmHashFingerprint64()),

  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example.group</groupId>
  <artifactId>valid-version-sha1</artifactId>
  <version>${revision}${changelist}${sha1}</version>

  <description>
    This will test if the validation for the ci friendly versions
    is working correct.
  </description>

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

package com.google.common.hash;

import static com.google.common.hash.Hashing.sha1;
import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

/**
 * Benchmarks for comparing instance creation of {@link MessageDigest}s.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class MessageDigestCreationBenchmark {

  @Param({"MD5", "SHA-1", "SHA-256", "SHA-384", "SHA-512"})
  private String algorithm;

  private MessageDigest md;

  @BeforeExperiment
  void setUp() throws Exception {
    md = MessageDigest.getInstance(algorithm);
  }

  @Benchmark

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

package com.google.common.hash;

import static com.google.common.hash.Hashing.sha1;
import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

/**
 * Benchmarks for comparing instance creation of {@link MessageDigest}s.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class MessageDigestCreationBenchmark {

  @Param({"MD5", "SHA-1", "SHA-256", "SHA-384", "SHA-512"})
  private String algorithm;

  private MessageDigest md;

  @BeforeExperiment
  void setUp() throws Exception {
    md = MessageDigest.getInstance(algorithm);
  }

  @Benchmark