Package java.security.spec

Class RSAMultiPrimePrivateCrtKeySpec

java.lang.Object

java.security.spec.RSAPrivateKeySpec

java.security.spec.RSAMultiPrimePrivateCrtKeySpec

All Implemented Interfaces:

KeySpec

public class RSAMultiPrimePrivateCrtKeySpec
extends RSAPrivateKeySpec

The key specification of a RSA multi-prime private key with the Chinese Remainder Theorem (CRT) information values used.

Defined in the PKCS #1 v2.1 standard.

Constructor Summary

Constructors

Constructor	Description
RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient, RSAOtherPrimeInfo[] otherPrimeInfo)	Creates a new RSAMultiPrimePrivateCrtKeySpec with the specified modulus, public exponent, private exponent, prime factors, prime exponents, crt coefficient, and additional primes.

Method Summary

Modifier and Type	Method	Description
BigInteger	getCrtCoefficient()	Returns the CRT coefficient, q^-1 mod p.
RSAOtherPrimeInfo[]	getOtherPrimeInfo()	Returns the information for the additional primes.
BigInteger	getPrimeExponentP()	Returns the exponent of the prime p.
BigInteger	getPrimeExponentQ()	Returns the exponent of the prime q.
BigInteger	getPrimeP()	Returns the prime factor p.
BigInteger	getPrimeQ()	Returns the prime factor q.
BigInteger	getPublicExponent()	Returns the public exponent e.

Methods inherited from class java.security.spec.RSAPrivateKeySpec

getModulus, getPrivateExponent

Methods inherited from class java.lang.Object

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

Constructor Details

RSAMultiPrimePrivateCrtKeySpec

public RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus,
BigInteger publicExponent,
BigInteger privateExponent,
BigInteger primeP,
BigInteger primeQ,
BigInteger primeExponentP,
BigInteger primeExponentQ,
BigInteger crtCoefficient,
RSAOtherPrimeInfo[] otherPrimeInfo)

Creates a new RSAMultiPrimePrivateCrtKeySpec with the specified modulus, public exponent, private exponent, prime factors, prime exponents, crt coefficient, and additional primes.

Parameters:

modulus - the modulus n.

publicExponent - the public exponent e.

privateExponent - the private exponent d.

primeP - the prime factor p of n.

primeQ - the prime factor q of n.

primeExponentP - the exponent of the prime p.

primeExponentQ - the exponent of the prime q.

crtCoefficient - the CRT coefficient q^-1 mod p.

otherPrimeInfo - the information for the additional primes or null if there are only the two primes (p, q).

Throws:

IllegalArgumentException - if otherPrimeInfo is not null but empty.

Method Details

getCrtCoefficient

public BigInteger getCrtCoefficient()

Returns the CRT coefficient, q^-1 mod p.

Returns:

the CRT coefficient, q^-1 mod p.

getOtherPrimeInfo

public RSAOtherPrimeInfo[] getOtherPrimeInfo()

Returns the information for the additional primes.

Returns:

the information for the additional primes, or null if there are only the two primes (p, q).

getPrimeExponentP

public BigInteger getPrimeExponentP()

Returns the exponent of the prime p.

Returns:

the exponent of the prime p.

getPrimeExponentQ

public BigInteger getPrimeExponentQ()

Returns the exponent of the prime q.

Returns:

the exponent of the prime q.

getPrimeP

public BigInteger getPrimeP()

Returns the prime factor p.

Returns:

the prime factor p.

getPrimeQ

public BigInteger getPrimeQ()

Returns the prime factor q.

Returns:

the prime factor q.

getPublicExponent

public BigInteger getPublicExponent()

Returns the public exponent e.

Returns:

the public exponent e.