org.cryptimeleon.craco.sig.sps.groth15

Class SPSGroth15Signature

java.lang.Object

org.cryptimeleon.craco.sig.sps.groth15.SPSGroth15Signature

All Implemented Interfaces:

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

public class SPSGroth15Signature
extends java.lang.Object
implements Signature, org.cryptimeleon.math.hash.UniqueByteRepresentable

Class for a signature of the Groth15 SPS scheme.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.cryptimeleon.math.structures.groups.GroupElement	groupElementSigma1HatR First group element of the signature in G_2.
protected org.cryptimeleon.math.structures.groups.GroupElement	groupElementSigma2S Second group element of the signature in G_1.
protected org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector	groupElementSigma3Ti Third group element of the signature in G_1.

Constructor Summary

Constructors

Constructor and Description
SPSGroth15Signature(org.cryptimeleon.math.structures.groups.GroupElement group2ElementSigma1HatR, org.cryptimeleon.math.structures.groups.GroupElement group1ElementSigma2S, org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector group1ElementSigma3Ti)
SPSGroth15Signature(org.cryptimeleon.math.serialization.Representation repr, org.cryptimeleon.math.structures.groups.Group plaintextGroup, org.cryptimeleon.math.structures.groups.Group otherGroup)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
org.cryptimeleon.math.structures.groups.GroupElement	getGroupElementSigma1HatR()
org.cryptimeleon.math.structures.groups.GroupElement	getGroupElementSigma2S()
org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector	getGroupElementSigma3Ti()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()
java.lang.String	toString()
org.cryptimeleon.math.hash.ByteAccumulator	updateAccumulator(org.cryptimeleon.math.hash.ByteAccumulator accumulator)

Methods inherited from class java.lang.Object

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

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

getUniqueByteRepresentation

Field Detail

groupElementSigma1HatR

protected org.cryptimeleon.math.structures.groups.GroupElement groupElementSigma1HatR

First group element of the signature in G_2.

groupElementSigma2S

protected org.cryptimeleon.math.structures.groups.GroupElement groupElementSigma2S

Second group element of the signature in G_1.

groupElementSigma3Ti

protected org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector groupElementSigma3Ti

Third group element of the signature in G_1.

Constructor Detail

SPSGroth15Signature

public SPSGroth15Signature(org.cryptimeleon.math.serialization.Representation repr,
                           org.cryptimeleon.math.structures.groups.Group plaintextGroup,
                           org.cryptimeleon.math.structures.groups.Group otherGroup)

SPSGroth15Signature

public SPSGroth15Signature(org.cryptimeleon.math.structures.groups.GroupElement group2ElementSigma1HatR,
                           org.cryptimeleon.math.structures.groups.GroupElement group1ElementSigma2S,
                           org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector group1ElementSigma3Ti)

Method Detail

getRepresentation

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

Specified by:

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

getGroupElementSigma1HatR

public org.cryptimeleon.math.structures.groups.GroupElement getGroupElementSigma1HatR()

getGroupElementSigma2S

public org.cryptimeleon.math.structures.groups.GroupElement getGroupElementSigma2S()

getGroupElementSigma3Ti

public org.cryptimeleon.math.structures.groups.cartesian.GroupElementVector getGroupElementSigma3Ti()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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

updateAccumulator

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

Specified by:

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