org.cryptimeleon.craco.sig.sps.kpw15

Class SPSKPW15SigningKey

java.lang.Object

org.cryptimeleon.craco.sig.sps.kpw15.SPSKPW15SigningKey

All Implemented Interfaces:

SigningKey, org.cryptimeleon.math.serialization.Representable

public class SPSKPW15SigningKey
extends java.lang.Object
implements SigningKey

Class for the secret (signing) key of the KPW15 signature scheme. Note: the names of the elements have been carried over from the paper as-is.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.cryptimeleon.math.structures.groups.GroupElement	B B in the paper (note that since k = 1), B is just a single group element here
protected org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[]	K (n+1 x k+1) Matrix K in the paper
protected org.cryptimeleon.math.structures.groups.GroupElement[]	P0 (k x k+1) Matrix P0 in the paper.
protected org.cryptimeleon.math.structures.groups.GroupElement[]	P1 (k x k+1) Matrix P1 in the paper

Constructor Summary

Constructors

Constructor and Description
SPSKPW15SigningKey()
SPSKPW15SigningKey(org.cryptimeleon.math.serialization.Representation representation, org.cryptimeleon.math.structures.rings.zn.Zp zp, org.cryptimeleon.math.structures.groups.Group G_1)
SPSKPW15SigningKey(org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement> K, org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.groups.GroupElement> P0, org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.groups.GroupElement> P1, org.cryptimeleon.math.structures.groups.GroupElement B)
SPSKPW15SigningKey(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] K, org.cryptimeleon.math.structures.groups.GroupElement[] P0, org.cryptimeleon.math.structures.groups.GroupElement[] P1, org.cryptimeleon.math.structures.groups.GroupElement B)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
org.cryptimeleon.math.structures.groups.GroupElement	getB()
org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[]	getK()
org.cryptimeleon.math.structures.groups.GroupElement[]	getP0()
org.cryptimeleon.math.structures.groups.GroupElement[]	getP1()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()
void	setB(org.cryptimeleon.math.structures.groups.GroupElement B)
void	setK(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] K)

Methods inherited from class java.lang.Object

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

Field Detail

K

protected org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] K

(n+1 x k+1) Matrix K in the paper

P0

protected org.cryptimeleon.math.structures.groups.GroupElement[] P0

(k x k+1) Matrix P0 in the paper.

P1

protected org.cryptimeleon.math.structures.groups.GroupElement[] P1

(k x k+1) Matrix P1 in the paper

B

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

B in the paper (note that since k = 1), B is just a single group element here

Constructor Detail

SPSKPW15SigningKey

public SPSKPW15SigningKey()

SPSKPW15SigningKey

public SPSKPW15SigningKey(org.cryptimeleon.math.serialization.Representation representation,
                          org.cryptimeleon.math.structures.rings.zn.Zp zp,
                          org.cryptimeleon.math.structures.groups.Group G_1)

SPSKPW15SigningKey

public SPSKPW15SigningKey(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] K,
                          org.cryptimeleon.math.structures.groups.GroupElement[] P0,
                          org.cryptimeleon.math.structures.groups.GroupElement[] P1,
                          org.cryptimeleon.math.structures.groups.GroupElement B)

SPSKPW15SigningKey

public SPSKPW15SigningKey(org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement> K,
                          org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.groups.GroupElement> P0,
                          org.cryptimeleon.math.structures.cartesian.Vector<org.cryptimeleon.math.structures.groups.GroupElement> P1,
                          org.cryptimeleon.math.structures.groups.GroupElement B)

Method Detail

getRepresentation

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

Specified by:

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

getK

public org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] getK()

setK

public void setK(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement[] K)

getP0

public org.cryptimeleon.math.structures.groups.GroupElement[] getP0()

getP1

public org.cryptimeleon.math.structures.groups.GroupElement[] getP1()

getB

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

setB

public void setB(org.cryptimeleon.math.structures.groups.GroupElement B)

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