de.flexiprovider.core.elgamal.semanticallysecure
Class SSVElGamalPrivateKeySpec

java.lang.Object
  |
  +--de.flexiprovider.core.elgamal.semanticallysecure.SSVElGamalPrivateKeySpec

All Implemented Interfaces:

KeySpec, java.security.spec.KeySpec

public class SSVElGamalPrivateKeySpec

extends java.lang.Object

implements KeySpec

This class specifies an SSVElGamal private key.

Author:

Thomas Wahrenbruch, Roberto Samarone dos Santos Araújo

See Also:

SSVElGamalKeyFactory

Constructor Summary

SSVElGamalPrivateKeySpec(FlexiBigInt modulusp, FlexiBigInt modulusq, FlexiBigInt generator, FlexiBigInt publicA, FlexiBigInt a)
The constructor.

Method Summary

FlexiBigInt	getA()
FlexiBigInt	getGenerator()
FlexiBigInt	getModulusP()
FlexiBigInt	getModulusQ()
FlexiBigInt	getPublicA()

Methods inherited from class java.lang.Object

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

Constructor Detail

SSVElGamalPrivateKeySpec

public SSVElGamalPrivateKeySpec(FlexiBigInt modulusp,
                                FlexiBigInt modulusq,
                                FlexiBigInt generator,
                                FlexiBigInt publicA,
                                FlexiBigInt a)

The constructor.

Parameters:

modulusp - - the prime modulus which specifies the group

modulusq - - the prime modulus which specifies the subgroup

generator - - a generator of the group

publicA - - the public value A = g^a mod modulus

a - - the private value a

Method Detail

getModulusP

public final FlexiBigInt getModulusP()

Returns:

the prime modulus p

getModulusQ

public final FlexiBigInt getModulusQ()

Returns:

the prime modulus q

getGenerator

public final FlexiBigInt getGenerator()

Returns:

the generator

getPublicA

public final FlexiBigInt getPublicA()

Returns:

the public value A = g^a mod modulusp

getA

public final FlexiBigInt getA()

Returns:

the private value a