org.cryptimeleon.craco.enc.asym.elgamal

Class ElgamalPublicKey

java.lang.Object

org.cryptimeleon.craco.enc.asym.elgamal.ElgamalPublicKey

All Implemented Interfaces:

EncryptionKey, org.cryptimeleon.math.hash.UniqueByteRepresentable, org.cryptimeleon.math.serialization.Representable

public class ElgamalPublicKey
extends java.lang.Object
implements EncryptionKey

An elgamal public key.

Constructor Summary

Constructors

Constructor and Description
ElgamalPublicKey(org.cryptimeleon.math.structures.groups.GroupElement g, org.cryptimeleon.math.structures.groups.GroupElement h) Creates a new ElgamalPublic Key
ElgamalPublicKey(org.cryptimeleon.math.serialization.Representation repr, org.cryptimeleon.math.structures.groups.Group group)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
org.cryptimeleon.math.structures.groups.GroupElement	getG()
org.cryptimeleon.math.structures.groups.GroupElement	getH()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()
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

ElgamalPublicKey

public ElgamalPublicKey(org.cryptimeleon.math.structures.groups.GroupElement g,
                        org.cryptimeleon.math.structures.groups.GroupElement h)

Creates a new ElgamalPublic Key

Parameters:

g - a generator

h - the public key h, where h := g^a (a is the private exponent)

ElgamalPublicKey

public ElgamalPublicKey(org.cryptimeleon.math.serialization.Representation repr,
                        org.cryptimeleon.math.structures.groups.Group group)

Method Detail

getG

public org.cryptimeleon.math.structures.groups.GroupElement getG()

getH

public org.cryptimeleon.math.structures.groups.GroupElement getH()

getRepresentation

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

Specified by:

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

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