org.cryptimeleon.craco.common.policies

Class ThresholdPolicy

java.lang.Object

org.cryptimeleon.craco.common.policies.ThresholdPolicy

All Implemented Interfaces:

Policy, CiphertextIndex, KeyIndex, org.cryptimeleon.math.hash.UniqueByteRepresentable, org.cryptimeleon.math.serialization.Representable, org.cryptimeleon.math.serialization.StandaloneRepresentable

public class ThresholdPolicy
extends java.lang.Object
implements Policy

A threshold policy consists of a threshold and a set of policies, and it is fulfilled if threshold many of the children policies are fulfilled.

Constructor Summary

Constructors

Constructor and Description
ThresholdPolicy(int threshold, java.util.Collection<? extends Policy> children)
ThresholdPolicy(int threshold, Policy... children)
ThresholdPolicy(org.cryptimeleon.math.serialization.Representation repr)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.util.ArrayList<Policy>	getChildren()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	getThreshold()
int	hashCode()
boolean	isFulfilled(java.util.Collection<? extends PolicyFact> facts)
org.cryptimeleon.math.hash.ByteAccumulator	updateAccumulator(org.cryptimeleon.math.hash.ByteAccumulator accumulator)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cryptimeleon.math.hash.UniqueByteRepresentable

getUniqueByteRepresentation

Constructor Detail

ThresholdPolicy

public ThresholdPolicy(org.cryptimeleon.math.serialization.Representation repr)

ThresholdPolicy

public ThresholdPolicy(int threshold,
                       java.util.Collection<? extends Policy> children)

ThresholdPolicy

public ThresholdPolicy(int threshold,
                       Policy... children)

Method Detail

getRepresentation

public org.cryptimeleon.math.serialization.Representation getRepresentation()

Specified by:

getRepresentation in interface org.cryptimeleon.math.serialization.Representable

isFulfilled

public boolean isFulfilled(java.util.Collection<? extends PolicyFact> facts)

Specified by:

isFulfilled in interface Policy

getThreshold

public int getThreshold()

getChildren

public java.util.ArrayList<Policy> getChildren()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

updateAccumulator

public org.cryptimeleon.math.hash.ByteAccumulator updateAccumulator(org.cryptimeleon.math.hash.ByteAccumulator accumulator)

Specified by:

updateAccumulator in interface org.cryptimeleon.math.hash.UniqueByteRepresentable