demo.cms.data

Class DataDemo

java.lang.Object

demo.cms.data.DataDemo

public class DataDemo
extends java.lang.Object

Shows the usage of the IAIK-CMS Data(Stream) implementation.

Constructor Summary

Constructors

Constructor and Description
DataDemo() Default constructor.

Method Summary

Modifier and Type	Method and Description
byte[]	createData(byte[] message) Creates a CMS Data object.
byte[]	createDataStream(byte[] message) Creates a CMS Data object.
byte[]	getData(byte[] encoding) Parses a CMS Data object.
byte[]	getDataStream(byte[] data) Parses a CMS Data object.
static void	main(java.lang.String[] argv) Main method.
void	start() Tests IAIK CMS Data(Stream).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataDemo

public DataDemo()

Default constructor.

Method Detail

createDataStream

public byte[] createDataStream(byte[] message)
                        throws iaik.cms.CMSException,
                               java.io.IOException

Creates a CMS Data object.

Parameters:

message - the message to be sent, as byte representation

Returns:

the BER encoding of the Data object just created

Throws:

iaik.cms.CMSException - if the Data object cannot be created

java.io.IOException - if an I/O error occurs

getDataStream

public byte[] getDataStream(byte[] data)
                     throws iaik.cms.CMSException,
                            java.io.IOException

Parses a CMS Data object.

Parameters:

data - the Data object as BER encoded byte array

Returns:

the inherent content as byte array

Throws:

iaik.cms.CMSException - if an parsing exception occurs

java.io.IOException - if an I/O error occurs

createData

public byte[] createData(byte[] message)
                  throws iaik.cms.CMSException,
                         java.io.IOException

Creates a CMS Data object.

Parameters:

message - the message to be sent, as byte representation

Returns:

the the DER encoded Data object just created

Throws:

iaik.cms.CMSException - if the Data object cannot be created

java.io.IOException - if an I/O error occurs

getData

public byte[] getData(byte[] encoding)
               throws iaik.cms.CMSException,
                      java.io.IOException

Parses a CMS Data object.

Parameters:

encoding - the DER encoded Data object

Returns:

the inherent content as byte array

Throws:

iaik.cms.CMSException - if an parsing exception occurs

java.io.IOException - if an I/O error occurs

start

public void start()

Tests IAIK CMS Data(Stream).

main

public static void main(java.lang.String[] argv)
                 throws java.lang.Exception

Main method.

Throws:

java.lang.Exception