Package com.pnfsoftware.jeb.util.io

Class XorInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

com.pnfsoftware.jeb.util.io.XorInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class XorInputStream
extends FilterInputStream

Filter input stream that XORs every byte read with a fixed one-byte key.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
XorInputStream(InputStream in, int key)	Create an XOR-decoding stream.

Method Summary

Modifier and Type	Method	Description
int	read()
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

XorInputStream

public XorInputStream(InputStream in,
 int key)

Create an XOR-decoding stream.

Parameters:

in - wrapped input stream

key - XOR key; only the low 8 bits are used

Method Details

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException