se.swedenconnect.opensaml.xmlsec.signature.support.provider.padding

Class MGF1

java.lang.Object

se.swedenconnect.opensaml.xmlsec.signature.support.provider.padding.MGF1

All Implemented Interfaces:

MGF

public class MGF1
extends Object
implements MGF

Implementation of the MGF1 mask generation function.

Author:

Stefan Santesson (stefan@idsec.se), Martin Lindström (martin@idsec.se)

Constructor Summary

Constructors

Constructor and Description
MGF1(MessageDigest digest) Constructor.

Method Summary

Modifier and Type	Method and Description
byte[]	getMask(byte[] seed, int length) Generates mask data.

Methods inherited from class java.lang.Object

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

Constructor Detail

MGF1

public MGF1(MessageDigest digest)

Constructor.

Parameters:

digest - the digest function for the MGF

Method Detail

getMask

public byte[] getMask(byte[] seed,
                      int length)

Generates mask data.

Specified by:

getMask in interface MGF

Parameters:

seed - the input seed

length - the mask data length (in bytes)

Returns:

the generated mask data