}

  private static int referenceCrc(byte[] bytes) {
    int crc = ~0;
    for (byte b : bytes) {
      crc = (crc >>> 8) ^ Crc32cHashFunction.Crc32cHasher.byteTable[(crc ^ b) & 0xFF];
    }
    return ~crc;
  }

  /**
   * Verifies that the crc of an array of byte data matches the expected value.
   *
   * @param expectedCrc the expected crc value.
   * @param data the data to run the checksum on.
   */

    /*
     * The striding algorithm works roughly as follows: it is universally the case that
     * CRC(x ^ y) == CRC(x) ^ CRC(y).  The approach we take is to break the message as follows,
     * with each letter representing a 4-byte word: ABCDABCDABCDABCD... and to calculate
     * CRC(A000A000A000...), CRC(0B000B000B...), CRC(00C000C000C...), CRC(000D000D000D...)
     * and then to XOR them together.  The strideTable enables us to hash an int followed by 12

   *
   * @since 18.0
   */
  public static HashFunction crc32c() {
    return Crc32cHashFunction.CRC_32_C;
  }

  /**
   * Returns a hash function implementing the CRC-32 checksum algorithm (32 hash bits).
   *
   * <p>To get the {@code long} value equivalent to {@link Checksum#getValue()} for a {@code
   * HashCode} produced by this function, use {@link HashCode#padToLong()}.
   *

        return javaUtilZip;
      } catch (ClassNotFoundException runningUnderJava8) {
        return ABSTRACT_HASH_FUNCTION;
      }
    }
  }

  /**
   * Returns a hash function implementing the CRC-32 checksum algorithm (32 hash bits).
   *
   * <p>To get the {@code long} value equivalent to {@link Checksum#getValue()} for a {@code
   * HashCode} produced by this function, use {@link HashCode#padToLong()}.
   *

Gc,GAAQjD,MAAOoC,OAEpC2F,GAKN3F,EAAM,GAEoB,iBAARA,EAClBA,GAAO,GAEI2D,MAAMC,QAAS5D,KAC1BA,EAAMa,GAAOwB,IAAKrC,EAAK,SAAU2F,GAChC,OAAgB,MAATA,EAAgB,GAAKA,EAAQ,OAItCua,EAAQrf,GAAOg8B,SAAUj/B,KAAK2B,OAAUsB,GAAOg8B,SAAUj/B,KAAKwD,SAASG,iBAGrD,QAAS2e,QAA+Crc,IAApCqc,EAAMjB,IAAKrhB,KAAMoC,EAAK,WAC3DpC,KAAK+H,MAAQ3F,OAzDTqB,GACJ6e,EAAQrf,GAAOg8B,SAAUx7B,EAAK9B,OAC7BsB,GAAOg8B,SAAUx7B,EAAKD,SAASG,iBAG/B,QAAS2e,QACgCrc,KAAvC7B,EAAMke,EAAMte,IAAKP,EAAM,UAElBW,EAMY,iBAHpBA,EAAMX,EAAKsE,OAIH3D,EAAIiC,QAAS24B,...

Gc,GAAQjD,MAAOoC,OAEpC2F,GAKN3F,EAAM,GAEoB,iBAARA,EAClBA,GAAO,GAEI2D,MAAMC,QAAS5D,KAC1BA,EAAMa,GAAOwB,IAAKrC,EAAK,SAAU2F,GAChC,OAAgB,MAATA,EAAgB,GAAKA,EAAQ,OAItCua,EAAQrf,GAAOg8B,SAAUj/B,KAAK2B,OAAUsB,GAAOg8B,SAAUj/B,KAAKwD,SAASG,iBAGrD,QAAS2e,QAA+Crc,IAApCqc,EAAMjB,IAAKrhB,KAAMoC,EAAK,WAC3DpC,KAAK+H,MAAQ3F,OAzDTqB,GACJ6e,EAAQrf,GAAOg8B,SAAUx7B,EAAK9B,OAC7BsB,GAAOg8B,SAAUx7B,EAAKD,SAASG,iBAG/B,QAAS2e,QACgCrc,KAAvC7B,EAAMke,EAAMte,IAAKP,EAAM,UAElBW,EAMY,iBAHpBA,EAAMX,EAAKsE,OAIH3D,EAAIiC,QAAS24B,...