cryptix.security
Class CSRandomStream

java.lang.Object
  java.io.InputStream
      cryptix.math.RandomStream
          cryptix.math.PseudoRandomStream
              cryptix.security.CSRandomStream

Direct Known Subclasses:

FileRandomStream

public class CSRandomStream

extends PseudoRandomStream

A class that generates random bytes using a pseudo random number generator.

Copyright © 1997 Systemics Ltd on behalf of the Cryptix Development Team.
All rights reserved.

$Revision: 1.1 $

Since:

Cryptix 2.2

Author:

Systemics Ltd, David Hopwood

See Also:

SecureRandom

Field Summary

protected SHA

sha Deprecated.

Fields inherited from class cryptix.math.PseudoRandomStream

buf, len, prng, ptr

Constructor Summary

CSRandomStream(byte[] seed)
Deprecated. Creates a new Cryptographically Secure Random Stream from a seed.

Method Summary

void	add(byte[] entropy) Deprecated. Add some entropy to the generator.
protected void	nextBuffer() Deprecated. Sets the internal buffer, length and pointer field to a new set of random bits available for reading.
protected void	seed(byte[] seed) Deprecated. Reset the seed and the PRNG.

Methods inherited from class cryptix.math.PseudoRandomStream

nextByte

Methods inherited from class cryptix.math.RandomStream

read, read, read, skip

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, reset

Methods inherited from class java.lang.Object

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

Field Detail

sha

protected SHA sha

Deprecated.

Constructor Detail

CSRandomStream

public CSRandomStream(byte[] seed)

Deprecated.

Creates a new Cryptographically Secure Random Stream from a seed. The security of this generator relies on a good seed.

Method Detail

nextBuffer

protected void nextBuffer()

Deprecated.

Sets the internal buffer, length and pointer field to a new set of random bits available for reading.

Overrides:

nextBuffer in class PseudoRandomStream

seed

protected void seed(byte[] seed)

Deprecated.

Reset the seed and the PRNG.

Overrides:

seed in class PseudoRandomStream

add

public void add(byte[] entropy)

Deprecated.

Add some entropy to the generator.