org.cryptimeleon.craco.enc.asym.elgamal

Class ElgamalCipherText

java.lang.Object

org.cryptimeleon.craco.enc.asym.elgamal.ElgamalCipherText

All Implemented Interfaces:

CipherText, org.cryptimeleon.math.serialization.Representable

public class ElgamalCipherText
extends java.lang.Object
implements CipherText

The cipher text representation of an elgamal-encrypted plaintext.

Constructor Summary

Constructors

Constructor and Description
ElgamalCipherText(org.cryptimeleon.math.structures.groups.GroupElement c1, org.cryptimeleon.math.structures.groups.GroupElement c2) Creates a ciphertext object.
ElgamalCipherText(org.cryptimeleon.math.serialization.Representation repr, org.cryptimeleon.math.structures.groups.Group group) Creates a ciphertext object from the given representation of its elements and the specified group.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
org.cryptimeleon.math.structures.groups.GroupElement	getC1()
org.cryptimeleon.math.structures.groups.GroupElement	getC2()
org.cryptimeleon.math.serialization.Representation	getRepresentation()
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ElgamalCipherText

public ElgamalCipherText(org.cryptimeleon.math.serialization.Representation repr,
                         org.cryptimeleon.math.structures.groups.Group group)

Creates a ciphertext object from the given representation of its elements and the specified group.

Parameters:

repr - the representation of c1 and c2

group - the group of the encryption

ElgamalCipherText

public ElgamalCipherText(org.cryptimeleon.math.structures.groups.GroupElement c1,
                         org.cryptimeleon.math.structures.groups.GroupElement c2)

Creates a ciphertext object.

Parameters:

c1 - c1 := g^r

c2 - c2 := h^r *m

Method Detail

getRepresentation

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

Specified by:

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getC1

public org.cryptimeleon.math.structures.groups.GroupElement getC1()

getC2

public org.cryptimeleon.math.structures.groups.GroupElement getC2()