anon.crypto.tinytls.util

Class PRF

java.lang.Object

anon.crypto.tinytls.util.PRF

public class PRF
extends java.lang.Object

Author:

stefan a Pseudo Radnom Function as described in RFC2246

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	m_label
private byte[]	m_secret
private byte[]	m_seed

Constructor Summary

Constructors

Constructor and Description
PRF(byte[] secret, byte[] label, byte[] seed) Constructor for a Pseudo Random Function

Method Summary

Modifier and Type	Method and Description
byte[]	calculate(int length) calculates the result of a pseudo random function

Methods inherited from class java.lang.Object

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

Field Detail

m_secret

private byte[] m_secret

m_seed

private byte[] m_seed

m_label

private byte[] m_label

Constructor Detail

PRF

public PRF(byte[] secret,
           byte[] label,
           byte[] seed)

Constructor for a Pseudo Random Function

Parameters:

secret - a secret

label - a label

seed - a seed

Method Detail

calculate

public byte[] calculate(int length)

calculates the result of a pseudo random function

Parameters:

length - length of the result

Returns:

result of a PRF with variable length