de.flexiprovider.core.dsa
Class DSAParamGenParameterSpec

java.lang.Object
  |
  +--de.flexiprovider.core.dsa.DSAParamGenParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec, java.security.spec.AlgorithmParameterSpec

public class DSAParamGenParameterSpec

extends java.lang.Object

implements AlgorithmParameterSpec

This class specifies parameters used for initializing the DSAParameterGenerator. The parameters consist of the bit size of the prime p.

Author:

Martin Döring

Field Summary

static int	DEFAULT_L The default bit length of the prime p (1024 bits).
static int	DEFAULT_N The default bit length of the prime q.

Constructor Summary

DSAParamGenParameterSpec()
Constructor.

DSAParamGenParameterSpec(int keySize)
Constructor.

DSAParamGenParameterSpec(int L, int N)
Constructor.

Method Summary

int	getL()
int	getN()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_L

public static final int DEFAULT_L

The default bit length of the prime p (1024 bits).

DEFAULT_N

public static final int DEFAULT_N

The default bit length of the prime q.

Constructor Detail

DSAParamGenParameterSpec

public DSAParamGenParameterSpec()

Constructor. Set the default parameters.

DSAParamGenParameterSpec

public DSAParamGenParameterSpec(int keySize)
                         throws InvalidParameterException

Constructor.

Parameters:

keySize - the bit length of the prime p (1024 or 2048)

Throws:

InvalidParameterException - if the key size is invalid.

DSAParamGenParameterSpec

public DSAParamGenParameterSpec(int L,
                                int N)
                         throws InvalidParameterException

Constructor.

Parameters:

L - the bit length of the prime p

N - the bit length of the prime q

Throws:

InvalidParameterException - if L < 1 or N < 1.

Method Detail

getL

public int getL()

Returns:

the bit length of the prime p

getN

public int getN()

Returns:

the bit length of the prime q