old.org.bouncycastle.crypto.params

Class NaccacheSternPrivateKeyParameters

java.lang.Object

old.org.bouncycastle.crypto.params.AsymmetricKeyParameter

old.org.bouncycastle.crypto.params.NaccacheSternKeyParameters

old.org.bouncycastle.crypto.params.NaccacheSternPrivateKeyParameters

All Implemented Interfaces:

CipherParameters

public class NaccacheSternPrivateKeyParameters
extends NaccacheSternKeyParameters

Private key parameters for NaccacheStern cipher. For details on this cipher, please see http://www.gemplus.com/smart/rd/publications/pdf/NS98pkcs.pdf

Constructor Summary

Constructors

Constructor and Description
NaccacheSternPrivateKeyParameters(BigInteger g, BigInteger n, int lowerSigmaBound, Vector smallPrimes, BigInteger phi_n) Constructs a NaccacheSternPrivateKey

Method Summary

Modifier and Type	Method and Description
BigInteger	getPhi_n()
Vector	getSmallPrimes()

Methods inherited from class old.org.bouncycastle.crypto.params.NaccacheSternKeyParameters

getG, getLowerSigmaBound, getModulus

Methods inherited from class old.org.bouncycastle.crypto.params.AsymmetricKeyParameter

isPrivate

Methods inherited from class java.lang.Object

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

Constructor Detail

NaccacheSternPrivateKeyParameters

public NaccacheSternPrivateKeyParameters(BigInteger g,
                                         BigInteger n,
                                         int lowerSigmaBound,
                                         Vector smallPrimes,
                                         BigInteger phi_n)

Constructs a NaccacheSternPrivateKey

Parameters:

g - the public enryption parameter g

n - the public modulus n = p*q

lowerSigmaBound - the public lower sigma bound up to which data can be encrypted

smallPrimes - the small primes, of which sigma is constructed in the right order

phi_n - the private modulus phi(n) = (p-1)(q-1)

Method Detail

getPhi_n

public BigInteger getPhi_n()

getSmallPrimes

public Vector getSmallPrimes()