Package edu.fiu.adwise.homomorphic_encryption.elgamal

Class ElGamal_Ciphertext

java.lang.Object

edu.fiu.adwise.homomorphic_encryption.elgamal.ElGamal_Ciphertext

All Implemented Interfaces:

Serializable

public class ElGamal_Ciphertext
extends Object
implements Serializable

Represents an ElGamal ciphertext consisting of two components: g^r and m * h^r (or g^m * h^r). This class is used in the ElGamal encryption scheme.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
final BigInteger	gr	The first component of the ciphertext, g^r.
final BigInteger	hrgm	The second component of the ciphertext, m * h^r or g^m * h^r.

Constructor Summary

Constructors

Constructor	Description
ElGamal_Ciphertext(BigInteger gr, BigInteger mhr)	Constructs an ElGamal ciphertext with the given components.

Method Summary

Modifier and Type	Method	Description
BigInteger	getA()	Retrieves the first component of the ciphertext (g^r).
BigInteger	getB()	Retrieves the second component of the ciphertext (m * h^r or g^m * h^r).

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

gr

public final BigInteger gr

The first component of the ciphertext, g^r.

hrgm

public final BigInteger hrgm

The second component of the ciphertext, m * h^r or g^m * h^r.

Constructor Details

ElGamal_Ciphertext

public ElGamal_Ciphertext(BigInteger gr,
 BigInteger mhr)

Constructs an ElGamal ciphertext with the given components.

Parameters:

gr - The first component of the ciphertext (g^r).

mhr - The second component of the ciphertext (m * h^r or g^m * h^r).

Method Details

getA

public BigInteger getA()

Retrieves the first component of the ciphertext (g^r).

Returns:

The first component of the ciphertext.

getB

public BigInteger getB()

Retrieves the second component of the ciphertext (m * h^r or g^m * h^r).

Returns:

The second component of the ciphertext.