org.cryptimeleon.craco.sig.sps

Class SPSPublicParameters

java.lang.Object

org.cryptimeleon.craco.sig.sps.SPSPublicParameters

All Implemented Interfaces:

PublicParameters, org.cryptimeleon.math.serialization.Representable, org.cryptimeleon.math.serialization.StandaloneRepresentable

Direct Known Subclasses:

AKOT15SharedPublicParameters, SPSAGHO11PublicParameters, SPSKPW15PublicParameters

public class SPSPublicParameters
extends java.lang.Object
implements PublicParameters

An interface containing generic components shared by most SPS schemes i.e. a bilinear group for evaluating pairing product equations and the associated group generators

Field Summary

Fields

Modifier and Type	Field and Description
protected org.cryptimeleon.math.structures.groups.elliptic.BilinearGroup	bilinearGroup The bilinear group containing map e in the paper.
protected org.cryptimeleon.math.structures.groups.GroupElement	group1ElementG G \in G_1 in paper.
protected org.cryptimeleon.math.structures.groups.GroupElement	group2ElementH H \in G_2 in paper.

Constructor Summary

Constructors

Constructor and Description
SPSPublicParameters() This constructor is required in order to allow deserialization of classes extending SPSPublicParameters
SPSPublicParameters(org.cryptimeleon.math.structures.groups.elliptic.BilinearGroup bilinearGroup)
SPSPublicParameters(org.cryptimeleon.math.serialization.Representation repr)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
org.cryptimeleon.math.structures.groups.elliptic.BilinearMap	getBilinearMap()
org.cryptimeleon.math.structures.groups.GroupElement	getG1GroupGenerator()
org.cryptimeleon.math.structures.groups.GroupElement	getG2GroupGenerator()
org.cryptimeleon.math.structures.groups.Group	getGT()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
org.cryptimeleon.math.structures.rings.zn.Zp	getZp() Returns the group Zp (where p is the group order of G1, G2, and GT)
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

bilinearGroup

protected org.cryptimeleon.math.structures.groups.elliptic.BilinearGroup bilinearGroup

The bilinear group containing map e in the paper.

group1ElementG

protected org.cryptimeleon.math.structures.groups.GroupElement group1ElementG

G \in G_1 in paper.

group2ElementH

protected org.cryptimeleon.math.structures.groups.GroupElement group2ElementH

H \in G_2 in paper.

Constructor Detail

SPSPublicParameters

public SPSPublicParameters()

This constructor is required in order to allow deserialization of classes extending SPSPublicParameters

SPSPublicParameters

public SPSPublicParameters(org.cryptimeleon.math.structures.groups.elliptic.BilinearGroup bilinearGroup)

SPSPublicParameters

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

Method Detail

getZp

public org.cryptimeleon.math.structures.rings.zn.Zp getZp()

Returns the group Zp (where p is the group order of G1, G2, and GT)

getG1GroupGenerator

public org.cryptimeleon.math.structures.groups.GroupElement getG1GroupGenerator()

getG2GroupGenerator

public org.cryptimeleon.math.structures.groups.GroupElement getG2GroupGenerator()

getBilinearMap

public org.cryptimeleon.math.structures.groups.elliptic.BilinearMap getBilinearMap()

getGT

public org.cryptimeleon.math.structures.groups.Group getGT()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getRepresentation

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

Specified by:

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