)
  }

  /** Converts public key bytes to SubjectPublicKeyInfo bytes. */
  private fun encodeKey(
    algorithm: String,
    publicKeyBytes: ByteString,
  ): ByteString {
    val subjectPublicKeyInfo =
      SubjectPublicKeyInfo(
        algorithm = AlgorithmIdentifier(algorithm = algorithm, parameters = null),
        subjectPublicKey = BitString(publicKeyBytes, 0),
      )

        Hashing.hmacSha1(keyData).toString());

    assertEquals(
        "Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])",
        Hashing.hmacSha256(SHA256_KEY).toString());
    assertEquals(
        "Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])",
        Hashing.hmacSha256(keyData).toString());

    assertEquals(

   * SipHash-2-4 algorithm</a> using a seed value of {@code k = 00 01 02 ...}.
   *
   * @since 15.0
   */
  public static HashFunction sipHash24() {
    return SipHashFunction.SIP_HASH_24;
  }

  /**
   * Returns a hash function implementing the <a href="https://131002.net/siphash/">64-bit
   * SipHash-2-4 algorithm</a> using the given seed.
   *
   * @since 15.0
   */

    }

    /**
     * Returns the algorithm.
     *
     * @return the algorithm
     */
    public String getAlgorithm() {
        return algorithm;
    }

    /**
     * Sets the algorithm.
     *
     * @param algorithm
     *            the algorithm
     */
    public void setAlgorithm(final String algorithm) {
        this.algorithm = algorithm;
    }

    /**

        else -> null
      }
    }

  /**
   * ```
   * AlgorithmIdentifier ::= SEQUENCE  {
   *   algorithm      OBJECT IDENTIFIER,
   *   parameters     ANY DEFINED BY algorithm OPTIONAL
   * }
   * ```
   */
  internal val algorithmIdentifier: BasicDerAdapter<AlgorithmIdentifier> =
    Adapters.sequence(
      "AlgorithmIdentifier",

   * SipHash-2-4 algorithm</a> using a seed value of {@code k = 00 01 02 ...}.
   *
   * @since 15.0
   */
  public static HashFunction sipHash24() {
    return SipHashFunction.SIP_HASH_24;
  }

  /**
   * Returns a hash function implementing the <a href="https://131002.net/siphash/">64-bit
   * SipHash-2-4 algorithm</a> using the given seed.
   *
   * @since 15.0
   */

      }
    };

    abstract int resultIndex(int higherIndex);
  }

  /**
   * Searches the specified naturally ordered list for the specified object using the binary search
   * algorithm.
   *
   * <p>Equivalent to {@link #binarySearch(List, Function, Object, Comparator, KeyPresentBehavior,
   * KeyAbsentBehavior)} using {@link Ordering#natural}.
   */

      when (signedByKeyPair.private) {
        is RSAPrivateKey ->
          AlgorithmIdentifier(
            algorithm = SHA256_WITH_RSA_ENCRYPTION,
            parameters = null,
          )
        else ->
          AlgorithmIdentifier(
            algorithm = SHA256_WITH_ECDSA,
            parameters = ByteString.EMPTY,
          )
      }

    private fun generateKeyPair(): KeyPair =

  }

  @Override
  public String toString() {
    return "Hashing.crc32c()";
  }

  static final class Crc32cHasher extends AbstractStreamingHasher {

    /*
     * 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,

        : ImmutableList.<E>construct(elements.clone());
  }

  /**
   * Returns an immutable list containing the given elements, sorted according to their natural
   * order. The sorting algorithm used is stable, so elements that compare as equal will stay in the
   * order in which they appear in the input.
   *
   * <p>If your data has no duplicates, or you wish to deduplicate elements, use {@code