int start = dstIndex;

        if (blob != null) {
            System.arraycopy(blob, 0, dst, dstIndex, blob.length );
            dstIndex += blob.length;
        } else {
            System.arraycopy( lmHash, 0, dst, dstIndex, lmHash.length );
            dstIndex += lmHash.length;
            System.arraycopy( ntHash, 0, dst, dstIndex, ntHash.length );
            dstIndex += ntHash.length;
    

  public static <T extends @Nullable Object> T[] concat(
      T[] first, T[] second, Class<@NonNull T> type) {
    T[] result = newArray(type, first.length + second.length);
    System.arraycopy(first, 0, result, 0, first.length);
    System.arraycopy(second, 0, result, first.length, second.length);
    return result;
  }

  /**
   * Returns a new array that prepends {@code element} to {@code array}.
   *

        // all fixed inputs go into the suffix:
        // + label
        System.arraycopy(label, 0, suffix, 0, label.length);
        // + 1 byte 0x00
        // + context
        System.arraycopy(context, 0, suffix, label.length + 1, context.length);
        // + 4 byte (== r bits) big endian encoding of L
        suffix[ suffix.length - 1 ] = (byte) 128;

        bufferIndex += 8;
        bufferIndex += 8;

        int nameLen = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        byte[] nameBytes = new byte[nameLen];
        System.arraycopy(buffer, bufferIndex, nameBytes, 0, nameBytes.length);
        bufferIndex += nameLen;
        this.fileName = new String(nameBytes, StandardCharsets.UTF_16LE);
        return bufferIndex - start;
    }


    /**

                SMBUtil.writeInt2(hashAlgo, dst, dstIndex);
                dstIndex += 2;
            }
        }

        if ( this.salt != null ) {
            System.arraycopy(this.salt, 0, dst, dstIndex, this.salt.length);
            dstIndex += this.salt.length;
        }

        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *

  public static <T extends @Nullable Object> T[] concat(
      T[] first, T[] second, Class<@NonNull T> type) {
    T[] result = newArray(type, first.length + second.length);
    System.arraycopy(first, 0, result, 0, first.length);
    System.arraycopy(second, 0, result, first.length, second.length);
    return result;
  }

  /**
   * Returns a new array that prepends {@code element} to {@code array}.
   *

        if (defaultWords == null) {
            updateDefaultBadwords();
        }
        final String[] concat = new String[defaultWords.length + badWords.length];
        System.arraycopy(badWords, 0, concat, 0, badWords.length);
        System.arraycopy(defaultWords, 0, concat, badWords.length, defaultWords.length);
        return concat;
    }

    public void add(final String badWord) {
        if (logger.isDebugEnabled()) {

        }
        return n;
    }


    public void writeOctetArray ( byte[] b, int i, int l ) {
        System.arraycopy(b, i, this.buf, this.index, l);
        advance(l);
    }


    public void readOctetArray ( byte[] b, int i, int l ) {
        System.arraycopy(this.buf, this.index, b, i, l);
        advance(l);
    }


    public int getLength () {
        return this.deferred.length;

            i--;
        }
        return n;
    }
    public void writeOctetArray(byte[] b, int i, int l) {
        System.arraycopy(b, i, buf, index, l);
        advance(l);
    }
    public void readOctetArray(byte[] b, int i, int l) {
        System.arraycopy(buf, index, b, i, l);
        advance(l);
    }


    public int getLength() {
        return deferred.length;
    }

        byte[] result;
        result = cipher.doFinal(data);

        decrypt = new byte[result.length];
        System.arraycopy(result, 0, decrypt, 0, result.length);

        int tempSize = decrypt.length - 24;

        byte[] output = new byte[tempSize];
        System.arraycopy(decrypt, 24, output, 0, tempSize);

        decrypt = output;
        return decrypt;
    }