org.cryptimeleon.craco.sig.ps18

Class PS18SigningKey

java.lang.Object

org.cryptimeleon.craco.sig.ps18.PS18SigningKey

All Implemented Interfaces:

SigningKey, org.cryptimeleon.math.serialization.Representable

public class PS18SigningKey
extends java.lang.Object
implements SigningKey

Secret (signing) key for the Pointcheval Sanders 2018 (Section 4.2) signature scheme.

Constructor Summary

Constructors

Constructor and Description
PS18SigningKey(org.cryptimeleon.math.serialization.Representation repr, org.cryptimeleon.math.structures.rings.zn.Zp zp) Constructs signing key from a representation and the finite field in which exponentiation in the bilinear group is done.
PS18SigningKey(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement exponentX, org.cryptimeleon.math.structures.rings.cartesian.RingElementVector exponentsYi)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
org.cryptimeleon.math.structures.rings.cartesian.RingElementVector	getExponentsYi()
org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement	getExponentX()
int	getNumberOfMessages()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

PS18SigningKey

public PS18SigningKey(org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement exponentX,
                      org.cryptimeleon.math.structures.rings.cartesian.RingElementVector exponentsYi)

PS18SigningKey

public PS18SigningKey(org.cryptimeleon.math.serialization.Representation repr,
                      org.cryptimeleon.math.structures.rings.zn.Zp zp)

Constructs signing key from a representation and the finite field in which exponentiation in the bilinear group is done.

Parameters:

repr - The representation to construct the signing key from.

zp - Field with p equals the order of the bilinear group.

Method Detail

getRepresentation

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

Specified by:

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

getExponentX

public org.cryptimeleon.math.structures.rings.zn.Zp.ZpElement getExponentX()

getExponentsYi

public org.cryptimeleon.math.structures.rings.cartesian.RingElementVector getExponentsYi()

getNumberOfMessages

public int getNumberOfMessages()

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