log.debug("Sign key is " + Hexdump.toHexString(this.signKey));
            log.debug("Verify key is " + Hexdump.toHexString(this.verifyKey));
        }

        this.sealClientKey = deriveKey(mk, C2S_SEAL_CONSTANT);
        this.sealClientHandle = Crypto.getArcfour(this.sealClientKey);
        if ( log.isDebugEnabled() ) {
            log.debug("Seal key is " + Hexdump.toHexString(this.sealClientKey));
        }

                if ( log.isDebugEnabled() ) {
                    log.debug("signature verification failure"); //$NON-NLS-1$
                    log.debug("Expect: " + Hexdump.toHexString(signature, 0, 8));
                    log.debug("Have: " + Hexdump.toHexString(data, offset + SmbConstants.SIGNATURE_OFFSET, 8));
                }
                return true;
            }
        }

        return false;
    }

      else -> {
        throw ProtocolException("Unknown control opcode: " + opcode.toHexString())
      }
    }
  }

  @Throws(IOException::class)
  private fun readMessageFrame() {
    val opcode = this.opcode
    if (opcode != OPCODE_TEXT && opcode != OPCODE_BINARY) {
      throw ProtocolException("Unknown opcode: ${opcode.toHexString()}")
    }

    readMessage()

    if (readingCompressedMessage) {

                    + ",maxBufferSize=" + this.server.maxBufferSize + ",maxRawSize=" + this.server.maxRawSize + ",sessionKey=0x"
                    + Hexdump.toHexString(this.server.sessKey, 8) + ",capabilities=0x" + Hexdump.toHexString(this.server.scapabilities, 8)
                    + ",serverTime=" + new Date(this.server.serverTime) + ",serverTimeZone=" + this.server.serverTimeZone + ",encryptionKeyLength="

            resultCodeString = "0x" + Hexdump.toHexString(this.resultCode, 1);
            break;
        }
        switch ( this.questionType ) {
        case NB:
            questionTypeString = "NB";
            break;
        case NBSTAT:
            questionTypeString = "NBSTAT";
            break;
        default:
            questionTypeString = "0x" + Hexdump.toHexString(this.questionType, 4);
            break;

                ",questionClass=" + ( questionClass == IN ? "IN" :
                            "0x" + Hexdump.toHexString( questionClass, 4 )) +
                ",recordName=" + recordName +
                ",recordType=" + recordTypeString +
                ",recordClass=" + ( recordClass == IN ? "IN" :
                            "0x" + Hexdump.toHexString( recordClass, 4 )) +
                ",ttl=" + ttl +
                ",rDataLength=" + rDataLength );

  try {
    close()
  } catch (rethrown: RuntimeException) {
    throw rethrown
  } catch (_: Exception) {
  }
}

internal fun Long.toHexString(): String = java.lang.Long.toHexString(this)

internal fun Int.toHexString(): String = Integer.toHexString(this)

@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "NOTHING_TO_INLINE")
internal inline fun Any.wait() = (this as Object).wait()

            Assert.fail(String.format("Expect: %s Have: %s", Hexdump.toHexString(expect), Hexdump.toHexString(have)));
        }
    }


    private static void verifyNfold ( int n, String string, String expect ) {
        byte[] expanded = PacMac.expandNFold(string.getBytes(StandardCharsets.US_ASCII), n / 8);
        Assert.assertEquals(expect, Hexdump.toHexString(expanded).toLowerCase(Locale.ROOT));
    }



    @Test

        if ( log.isDebugEnabled() ) {
            log.debug("Out Mech list " + Arrays.toString(lm));
            log.debug("Out Mech list encoded " + Hexdump.toHexString(ml));
            log.debug("Out Mech list MIC " + Hexdump.toHexString(mechanismListMIC));
        }
        return mechanismListMIC;
    }


    private void verifyMechListMIC ( byte[] mechanismListMIC ) throws CIFSException {

            byte[] addr = localInetAddress.getAddress();
            localHostname = "JCIFS" + ( addr[ 2 ] & 0xFF ) + "_" + ( addr[ 3 ] & 0xFF ) + "_"
                    + Hexdump.toHexString((int) ( Math.random() * 0xFF ), 2);
        }

        /*
         * Create an NbtAddress for the local interface with
         * the name deduced above possibly with scope applied and
         * cache it forever.