org.spongycastle.crypto.params

Class DHParameters

java.lang.Object

org.spongycastle.crypto.params.DHParameters

All Implemented Interfaces:

CipherParameters

public class DHParameters
extends java.lang.Object
implements CipherParameters

Constructor Summary

Constructors

Constructor and Description
DHParameters(java.math.BigInteger p, java.math.BigInteger g)
DHParameters(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q)
DHParameters(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, java.math.BigInteger j, DHValidationParameters validation)
DHParameters(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int l)
DHParameters(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int m, int l)
DHParameters(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int m, int l, java.math.BigInteger j, DHValidationParameters validation)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.math.BigInteger	getG()
java.math.BigInteger	getJ() Return the subgroup factor J.
int	getL() Return the private value length in bits - if set, zero otherwise
int	getM() Return the minimum length of the private value.
java.math.BigInteger	getP()
java.math.BigInteger	getQ()
DHValidationParameters	getValidationParameters()
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

DHParameters

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

DHParameters

public DHParameters(java.math.BigInteger p,
                    java.math.BigInteger g,
                    java.math.BigInteger q)

DHParameters

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

DHParameters

public DHParameters(java.math.BigInteger p,
                    java.math.BigInteger g,
                    java.math.BigInteger q,
                    int m,
                    int l)

DHParameters

public DHParameters(java.math.BigInteger p,
                    java.math.BigInteger g,
                    java.math.BigInteger q,
                    java.math.BigInteger j,
                    DHValidationParameters validation)

DHParameters

public DHParameters(java.math.BigInteger p,
                    java.math.BigInteger g,
                    java.math.BigInteger q,
                    int m,
                    int l,
                    java.math.BigInteger j,
                    DHValidationParameters validation)

Method Detail

getP

public java.math.BigInteger getP()

getG

public java.math.BigInteger getG()

getQ

public java.math.BigInteger getQ()

getJ

public java.math.BigInteger getJ()

Return the subgroup factor J.

Returns:

subgroup factor

getM

public int getM()

Return the minimum length of the private value.

Returns:

the minimum length of the private value in bits.

getL

public int getL()

Return the private value length in bits - if set, zero otherwise

Returns:

the private value length in bits, zero otherwise.

getValidationParameters

public DHValidationParameters getValidationParameters()

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