How to use

encryptByteArray

method

in

com.lowagie.text.pdf.PdfEncryption

  public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
    byte[] b = PdfReader.getStreamBytesRaw(this);
    PdfEncryption crypto = null;
    if (writer != null)
      crypto = writer.getEncryption();
    PdfObject objLen = get(PdfName.LENGTH);
    int nn = b.length;
    if (crypto != null)
      nn = crypto.calculateStreamSize(nn);
    put(PdfName.LENGTH, new PdfNumber(nn));
    superToPdf(writer, os);
    put(PdfName.LENGTH, objLen);
    os.write(STARTSTREAM);
    if (length > 0) {
      if (crypto != null && !crypto.isEmbeddedFilesOnly())
        b = crypto.encryptByteArray(b);
      os.write(b);
    }
    os.write(ENDSTREAM);
  }
}

  public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
    byte[] b = PdfReader.getStreamBytesRaw(this);
    PdfEncryption crypto = null;
    if (writer != null)
      crypto = writer.getEncryption();
    PdfObject objLen = get(PdfName.LENGTH);
    int nn = b.length;
    if (crypto != null)
      nn = crypto.calculateStreamSize(nn);
    put(PdfName.LENGTH, new PdfNumber(nn));
    superToPdf(writer, os);
    put(PdfName.LENGTH, objLen);
    os.write(STARTSTREAM);
    if (length > 0) {
      if (crypto != null && !crypto.isEmbeddedFilesOnly())
        b = crypto.encryptByteArray(b);
      os.write(b);
    }
    os.write(ENDSTREAM);
  }
}

  public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
    byte[] b = PdfReader.getStreamBytesRaw(this);
    PdfEncryption crypto = null;
    if (writer != null)
      crypto = writer.getEncryption();
    PdfObject objLen = get(PdfName.LENGTH);
    int nn = b.length;
    if (crypto != null)
      nn = crypto.calculateStreamSize(nn);
    put(PdfName.LENGTH, new PdfNumber(nn));
    superToPdf(writer, os);
    put(PdfName.LENGTH, objLen);
    os.write(STARTSTREAM);
    if (length > 0) {
      if (crypto != null && !crypto.isEmbeddedFilesOnly())
        b = crypto.encryptByteArray(b);
      os.write(b);
    }
    os.write(ENDSTREAM);
  }
}

/**
 * Writes the PDF representation of this <CODE>PdfString</CODE> as an array
 * of <CODE>byte</CODE> to the specified <CODE>OutputStream</CODE>.
 * 
 * @param writer for backwards compatibility
 * @param os The <CODE>OutputStream</CODE> to write the bytes to.
 */
public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
  byte b[] = getBytes();
  PdfEncryption crypto = null;
  if (writer != null)
    crypto = writer.getEncryption();
  if (crypto != null && !crypto.isEmbeddedFilesOnly())
    b = crypto.encryptByteArray(b);
  if (hexWriting) {
    ByteBuffer buf = new ByteBuffer();
    buf.append('<');
    int len = b.length;
    for (int k = 0; k < len; ++k)
      buf.appendHex(b[k]);
    buf.append('>');
    os.write(buf.toByteArray());
  }
  else
    os.write(PdfContentByte.escapeString(b));
}

/**
 * Writes the PDF representation of this <CODE>PdfString</CODE> as an array
 * of <CODE>byte</CODE> to the specified <CODE>OutputStream</CODE>.
 * 
 * @param writer for backwards compatibility
 * @param os The <CODE>OutputStream</CODE> to write the bytes to.
 */
public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
  byte[] b = getBytes();
  PdfEncryption crypto = null;
  if (writer != null)
    crypto = writer.getEncryption();
  if (crypto != null && !crypto.isEmbeddedFilesOnly())
    b = crypto.encryptByteArray(b);
  if (hexWriting) {
    ByteBuffer buf = new ByteBuffer();
    buf.append('<');
    int len = b.length;
    for (int k = 0; k < len; ++k)
      buf.appendHex(b[k]);
    buf.append('>');
    os.write(buf.toByteArray());
  }
  else
    os.write(PdfContentByte.escapeString(b));
}
 

/**
 * Writes the PDF representation of this <CODE>PdfString</CODE> as an array
 * of <CODE>byte</CODE> to the specified <CODE>OutputStream</CODE>.
 * 
 * @param writer for backwards compatibility
 * @param os The <CODE>OutputStream</CODE> to write the bytes to.
 */
public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
  byte b[] = getBytes();
  PdfEncryption crypto = null;
  if (writer != null)
    crypto = writer.getEncryption();
  if (crypto != null && !crypto.isEmbeddedFilesOnly())
    b = crypto.encryptByteArray(b);
  if (hexWriting) {
    ByteBuffer buf = new ByteBuffer();
    buf.append('<');
    int len = b.length;
    for (int k = 0; k < len; ++k)
      buf.appendHex(b[k]);
    buf.append('>');
    os.write(buf.toByteArray());
  }
  else
    os.write(PdfContentByte.escapeString(b));
}
 

byte b[];
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);

byte b[];
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);

byte[] b;
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);

byte b[];
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);

byte[] b;
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);

byte b[];
if (streamBytes != null) {
  b = crypto.encryptByteArray(streamBytes.toByteArray());
  b = crypto.encryptByteArray(bytes);