org.tranche.streams
Class AESEncodingStream

java.lang.Object
  java.io.OutputStream
      org.tranche.streams.AESEncodingStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable

public class AESEncodingStream
extends java.io.OutputStream

Encrypted file output stream.

Author:

Jayson Falkner - jfalkner@umich.edu

Constructor Summary

AESEncodingStream(java.lang.String passphrase, byte[] salt, int iterations, java.io.OutputStream out)

AESEncodingStream(java.lang.String passphrase, java.io.OutputStream out)

Method Summary

void	close() Close the output stream.
void	flush() Flush the output stream.
BigHash	getHash() Get the hash of the file written to the output stream..
void	write(byte[] b) Write bytes to the output stream.
void	write(byte[] buf, int off, int len) Write to the output stream.
void	write(int b) Write a byte to the output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

AESEncodingStream

public AESEncodingStream(java.lang.String passphrase,
                         java.io.OutputStream out)
                  throws java.io.IOException

Parameters:

passphrase -

out -

Throws:

java.io.IOException

AESEncodingStream

public AESEncodingStream(java.lang.String passphrase,
                         byte[] salt,
                         int iterations,
                         java.io.OutputStream out)
                  throws java.io.IOException

Parameters:

passphrase -

salt -

iterations -

out -

Throws:

java.io.IOException

Method Detail

write

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

Write to the output stream.

Overrides:

write in class java.io.OutputStream

Parameters:

buf -

off -

len -

Throws:

java.io.IOException

write

public void write(byte[] b)
           throws java.io.IOException

Write bytes to the output stream.

Overrides:

write in class java.io.OutputStream

Parameters:

b -

Throws:

java.io.IOException

write

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

Write a byte to the output stream.

Specified by:

write in class java.io.OutputStream

Parameters:

b -

Throws:

java.io.IOException

getHash

public BigHash getHash()
                throws java.io.IOException

Get the hash of the file written to the output stream..

Returns:

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Close the output stream.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Flush the output stream.

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException