import java.security.MessageDigest;

/**
 * This is an implementation of the HMACT64 keyed hashing algorithm.
 * HMACT64 is defined by Luke Leighton as a modified HMAC-MD5 (RFC 2104)
 * in which the key is truncated at 64 bytes (rather than being hashed
 * via MD5).
 */
public class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    assertInvalid("HTTP/1.1 2000 OK")
    assertInvalid("HTTP/1.1 two OK")
    assertInvalid("HTTP/1.1 2")
    assertInvalid("HTTP/1.1 2000")
    assertInvalid("HTTP/1.1 two")
  }

  @Test
  fun truncated() {
    assertInvalid("")
    assertInvalid("H")
    assertInvalid("HTTP/1")
    assertInvalid("HTTP/1.")
    assertInvalid("HTTP/1.1")
    assertInvalid("HTTP/1.1 ")
    assertInvalid("HTTP/1.1 2")

            // Challenge bytes would be at 24-31 but we're truncated

            // When & Then
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> new Type2Message(truncatedMessage));
        }

        @Test
        @DisplayName("parse should handle truncated message missing target info")
        void testParse_InputLengthTooSmallForTargetInfo() {
            // Given

        }
      }
    }

  override fun peekTrailers(): Headers? {
    if (trailers === TRAILERS_RESPONSE_BODY_TRUNCATED) {
      throw IOException("Trailers cannot be read because the response body was truncated")
    }
    check(state == STATE_READING_RESPONSE_BODY || state == STATE_CLOSED) {
      "Trailers cannot be read because the state is $state"
    }
    return trailers
  }

        byte[] trunc = new byte[8];
        System.arraycopy(dgst, 0, trunc, 0, 8);

        if (log.isDebugEnabled()) {
            log.debug("Digest " + Hexdump.toHexString(dgst));
            log.debug("Truncated " + Hexdump.toHexString(trunc));
        }

        if ((this.ntlmsspFlags & NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH) != 0) {
            try {
                trunc = this.sealClientHandle.doFinal(trunc);

     *
     * @param msg the assistant chat message
     * @param mode the content mode (full, smart_summary, source_titles, source_titles_and_urls, truncated, none)
     * @param assistantMaxChars the maximum characters for truncated mode
     * @param summaryMaxChars the maximum characters for summary modes
     * @return the content string for history, or null if the message should be excluded
     */

        }

        private static String summarize(String s) {
            if (s == null) return "null";
            String t = s.replace("\n", "\\n");
            if (t.length() > 500) return t.substring(0, 500) + "...(truncated)";
            return t;
        }
    }

    private static ExecResult exec(String... cmd) throws IOException, InterruptedException, ExecutionException {
        Objects.requireNonNull(cmd, "cmd");

     * @param maxDisplayEvents the maximum number of events to display
     * @param maxMessageLength the maximum length of each log message
     * @return the formatted details string with summary header and truncated entries
     */
    protected String formatDetails(final List<LogNotificationEvent> events, final int maxDetailsLength, final int maxDisplayEvents,
            final int maxMessageLength) {

        return this.hexCode;
    }

    /**
     * Constructs a NetBIOS name with the specified parameters.
     *
     * @param cfg the configuration to use
     * @param name the NetBIOS name (will be truncated to 15 characters if longer)
     * @param hexCode the NetBIOS name type code
     * @param scope the NetBIOS scope identifier
     */
    public Name(final Configuration cfg, String name, final int hexCode, final String scope) {

              rangeToRemove.upperBound,
              rangeMapEntry.getUpperBound(),
              mapEntryBelowToTruncate.getValue().getValue());
        }
        // overwrite mapEntryToTruncateBelow with a truncated range
        putRangeMapEntry(
            rangeMapEntry.getLowerBound(),
            rangeToRemove.lowerBound,
            mapEntryBelowToTruncate.getValue().getValue());
      }
    }