org.cryptimeleon.craco.sig.sps.akot15.tcgamma

Class TCGAKOT15XSIGCommitment

java.lang.Object

org.cryptimeleon.craco.sig.sps.akot15.tcgamma.TCGAKOT15Commitment

org.cryptimeleon.craco.sig.sps.akot15.tcgamma.TCGAKOT15XSIGCommitment

All Implemented Interfaces:

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

public class TCGAKOT15XSIGCommitment
extends TCGAKOT15Commitment

A variant of TCGAKOT15Commitment that is compatible with the message space of SPSXSIGSignatureScheme It adds two elements to the commitment which are required for XSIG to be able to sign this commitment.

Constructor Summary

Constructors

Constructor and Description
TCGAKOT15XSIGCommitment(org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu, org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu2, org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu3)
TCGAKOT15XSIGCommitment(org.cryptimeleon.math.structures.groups.Group group2, 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.GroupElement	getGroup2ElementGu2()
org.cryptimeleon.math.structures.groups.GroupElement	getGroup2ElementGu3()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()
MessageBlock	toMessageBlock() generate a MessageBlock containing the GroupElements stored in this commitment in a way that they match the message structure required by SPSXSIGSignatureScheme

Methods inherited from class org.cryptimeleon.craco.sig.sps.akot15.tcgamma.TCGAKOT15Commitment

getGroup2ElementGu, updateAccumulator

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

TCGAKOT15XSIGCommitment

public TCGAKOT15XSIGCommitment(org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu,
                               org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu2,
                               org.cryptimeleon.math.structures.groups.GroupElement group2ElementGu3)

TCGAKOT15XSIGCommitment

public TCGAKOT15XSIGCommitment(org.cryptimeleon.math.structures.groups.Group group2,
                               org.cryptimeleon.math.serialization.Representation repr)

Method Detail

getGroup2ElementGu2

public org.cryptimeleon.math.structures.groups.GroupElement getGroup2ElementGu2()

getGroup2ElementGu3

public org.cryptimeleon.math.structures.groups.GroupElement getGroup2ElementGu3()

toMessageBlock

public MessageBlock toMessageBlock()

generate a MessageBlock containing the GroupElements stored in this commitment in a way that they match the message structure required by SPSXSIGSignatureScheme

getRepresentation

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

Specified by:

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

Overrides:

getRepresentation in class TCGAKOT15Commitment

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class TCGAKOT15Commitment

hashCode

public int hashCode()

Overrides:

hashCode in class TCGAKOT15Commitment