Beispiel #1
0
 /**
  * Encodes a Checksum object. <xmp> Checksum ::= SEQUENCE { cksumtype [0] Int32, checksum [1]
  * OCTET STRING } </xmp>
  *
  * <p>This definition reflects the Network Working Group RFC 4120 specification available at <a
  * href="http://www.ietf.org/rfc/rfc4120.txt">http://www.ietf.org/rfc/rfc4120.txt</a>.
  *
  * @return byte array of enocded Checksum.
  * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
  * @exception IOException if an I/O error occurs while reading encoded data.
  */
 public byte[] asn1Encode() throws Asn1Exception, IOException {
   DerOutputStream bytes = new DerOutputStream();
   DerOutputStream temp = new DerOutputStream();
   temp.putInteger(BigInteger.valueOf(cksumType));
   bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp);
   temp = new DerOutputStream();
   temp.putOctetString(checksum);
   bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp);
   temp = new DerOutputStream();
   temp.write(DerValue.tag_Sequence, bytes);
   return temp.toByteArray();
 }