rice.p2p.util
Class EncryptedOutputStream

java.lang.Object
  java.io.OutputStream
      rice.p2p.util.EncryptedOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable

public class EncryptedOutputStream
extends java.io.OutputStream

Version:

$Id: EncryptedOutputStream.java 3613 2007-02-15 14:45:14Z jstewart $

Author:

Alan Mislove

Field Summary

protected byte[]	buffer
int	BUFFER_SIZE
protected int	bufferLength
protected byte[]	key
protected java.security.PublicKey	publicKey
protected java.io.DataOutputStream	stream

Constructor Summary

EncryptedOutputStream(java.security.PublicKey publicKey, java.io.OutputStream stream, int bufferSize)
Builds an encrypted outputstream given a public key to encrypt thing under

Method Summary

void	close() Closes this output stream and releases any system resources associated with this stream.
void	flush() Flushes this output stream and forces any buffered output bytes to be written out.
void	write(byte[] b, int off, int len) Writes the given bytes to the output
void	write(int b) Writes the specified byte to this output stream.
protected void	writeBuffer() Internal method which writes out the buffered data

Methods inherited from class java.io.OutputStream

write

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

public final int BUFFER_SIZE

publicKey

protected java.security.PublicKey publicKey

key

protected byte[] key

stream

protected java.io.DataOutputStream stream

buffer

protected byte[] buffer

bufferLength

protected int bufferLength

Constructor Detail

EncryptedOutputStream

public EncryptedOutputStream(java.security.PublicKey publicKey,
                             java.io.OutputStream stream,
                             int bufferSize)
                      throws java.io.IOException

Builds an encrypted outputstream given a public key to encrypt thing under

Parameters:

key - The key

stream - The underlying stream

Throws:

java.io.IOException

Method Detail

write

public void write(int b)
           throws java.io.IOException

Writes the specified byte to this output stream.

Specified by:

write in class java.io.OutputStream

Parameters:

b - the byte

Throws:

java.io.IOException

write

public void write(byte[] b,
                  int off,
                  int len)
           throws java.io.IOException

Writes the given bytes to the output

Overrides:

write in class java.io.OutputStream

Parameters:

b - the data.

off - the start offset in the data.

len - the number of bytes to write.

Throws:

java.io.IOException

writeBuffer

protected void writeBuffer()
                    throws java.io.IOException

Internal method which writes out the buffered data

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Flushes this output stream and forces any buffered output bytes to be written out.

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes this output stream and releases any system resources associated with this stream.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException