iaik.security.elgamal

Class ElGamalParameterSpec

java.lang.Object

iaik.security.elgamal.ElGamalParameterSpec

All Implemented Interfaces:

java.security.spec.AlgorithmParameterSpec

public class ElGamalParameterSpec
extends java.lang.Object
implements java.security.spec.AlgorithmParameterSpec

ElGamal parameter specification.

Constructor Summary

Constructors

Constructor and Description
ElGamalParameterSpec(java.math.BigInteger p, java.math.BigInteger g) Creates a ElGamal parameter specification, based on given prime modulus p and base generator g.
ElGamalParameterSpec(java.math.BigInteger p, java.math.BigInteger g, int l) Creates a ElGamal parameter specification, based on given prime modulus p, base generator g, and random exponent size l.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.math.BigInteger	getG() Returns the base generator g.
int	getL() Returns the random exponent size l, in bits.
java.math.BigInteger	getP() Returns the prime modulus p.
int	hashCode()
java.lang.String	toString() Returns a string representation of this Object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ElGamalParameterSpec

public ElGamalParameterSpec(java.math.BigInteger p,
                    java.math.BigInteger g)

Creates a ElGamal parameter specification, based on given prime modulus p and base generator g.

Parameters:

p - the prime modulus

g - the base generator

ElGamalParameterSpec

public ElGamalParameterSpec(java.math.BigInteger p,
                    java.math.BigInteger g,
                    int l)

Creates a ElGamal parameter specification, based on given prime modulus p, base generator g, and random exponent size l.

Parameters:

p - the prime modulus

g - the base generator

l - the random exponent size in bits

Method Detail

getP

public java.math.BigInteger getP()

Returns the prime modulus p.

Returns:

the prime modulus p

getG

public java.math.BigInteger getG()

Returns the base generator g.

Returns:

the base generator g

getL

public int getL()

Returns the random exponent size l, in bits.

Returns:

the random exponent size in bits, or 0 if the size has not been specified

toString

public java.lang.String toString()

Returns a string representation of this Object.

Overrides:

toString in class java.lang.Object

Returns:

a string representation

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object