iaik.security.random

Class RandomInputStream

java.lang.Object

java.io.InputStream

iaik.security.random.RandomInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class RandomInputStream
extends java.io.InputStream

An InputStream that reads data from a Random number generator. The Random number generator can be java.util.Random or one of its subclasses java.security.SecureRandom, iaik.security.random.SecRandom, etc.

Version:

File Revision 12

Constructor Summary

Constructors

Constructor and Description
RandomInputStream(java.util.Random random) Create a new RandomInputStream that reads from the specified random number generator.

Method Summary

Methods

Modifier and Type	Method and Description
int	available() Return the number of bytes available for a non-blocking read from this stream.
int	read() Read one byte and return it.
int	read(byte[] b) Read b.length bytes.
int	read(byte[] b, int off, int len) Read len bytes into b.

Methods inherited from class java.io.InputStream

close, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomInputStream

public RandomInputStream(java.util.Random random)

Create a new RandomInputStream that reads from the specified random number generator.

Method Detail

read

public int read(byte[] b)

Read b.length bytes.

Overrides:

read in class java.io.InputStream

read

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

Read len bytes into b.

Overrides:

read in class java.io.InputStream

read

public int read()

Read one byte and return it.

Specified by:

read in class java.io.InputStream

available

public int available()

Return the number of bytes available for a non-blocking read from this stream. As the stream is of unlimited length, we return Integer.MAX_VALUE (2³¹ - 1). This method never throws an IOException.

Overrides:

available in class java.io.InputStream