public Class NaccacheSternPrivateKeyParameters

Class Inheritance

java.lang.Object
org.bouncycastle.crypto.params.AsymmetricKeyParameter
org.bouncycastle.crypto.params.NaccacheSternKeyParameters
org.bouncycastle.crypto.params.NaccacheSternPrivateKeyParameters

Imports

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

Field Summary

Modifier and Type	Field and Description
private BigInteger	phi_n
private Vector<E>	smallPrimes

Inherited from org.bouncycastle.crypto.params.NaccacheSternKeyParameters:: lowerSigmaBound

Constructor Summary

Access	Constructor and Description
public	NaccacheSternPrivateKeyParameters(BigInteger the public enryption parameter g g, BigInteger the public modulus n = p*q n, int the public lower sigma bound up to which data can be encrypted lowerSigmaBound, Vector<E> the small primes, of which sigma is constructed in the right order smallPrimes, BigInteger the private modulus phi(n) = (p-1)(q-1) phi_n) Constructs a NaccacheSternPrivateKey

Method Summary

Modifier and Type	Method and Description
public BigInteger	getPhi_n()
public Vector<E>	getSmallPrimes()

Inherited from org.bouncycastle.crypto.params.NaccacheSternKeyParameters:: getG getLowerSigmaBound getModulus

Field Detail

phi_n	back to summary
private BigInteger phi_n

smallPrimes	back to summary
private Vector<E> smallPrimes

Constructor Detail

NaccacheSternPrivateKeyParameters	back to summary
public NaccacheSternPrivateKeyParameters(BigInteger g, BigInteger n, int lowerSigmaBound, Vector<E> smallPrimes, BigInteger phi_n) Constructs a NaccacheSternPrivateKey Parameters g:BigInteger the public enryption parameter g n:BigInteger the public modulus n = p*q lowerSigmaBound:int the public lower sigma bound up to which data can be encrypted smallPrimes:Vector<E> the small primes, of which sigma is constructed in the right order phi_n:BigInteger the private modulus phi(n) = (p-1)(q-1)

NaccacheSternPrivateKeyParameters

back to summary

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

Constructs a NaccacheSternPrivateKey

Parameters

g:BigInteger: the public enryption parameter g
n:BigInteger: the public modulus n = p*q
lowerSigmaBound:int: the public lower sigma bound up to which data can be encrypted
smallPrimes:Vector<E>: the small primes, of which sigma is constructed in the right order
phi_n:BigInteger: the private modulus phi(n) = (p-1)(q-1)

Method Detail

getPhi_n	back to summary
public BigInteger getPhi_n()

getSmallPrimes	back to summary
public Vector<E> getSmallPrimes()