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added in API level 1

RSAPrivateCrtKeySpec

public class RSAPrivateCrtKeySpec
extends RSAPrivateKeySpec

java.lang.Object
   ↳ java.security.spec.RSAPrivateKeySpec
     ↳ java.security.spec.RSAPrivateCrtKeySpec


This class specifies an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.

Summary

Public constructors

RSAPrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient)

Creates a new RSAPrivateCrtKeySpec given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.

Public methods

BigInteger getCrtCoefficient()

Returns the crtCoefficient.

BigInteger getPrimeExponentP()

Returns the primeExponentP.

BigInteger getPrimeExponentQ()

Returns the primeExponentQ.

BigInteger getPrimeP()

Returns the primeP.

BigInteger getPrimeQ()

Returns the primeQ.

BigInteger getPublicExponent()

Returns the public exponent.

Inherited methods

Public constructors

RSAPrivateCrtKeySpec

added in API level 1
public RSAPrivateCrtKeySpec (BigInteger modulus, 
                BigInteger publicExponent, 
                BigInteger privateExponent, 
                BigInteger primeP, 
                BigInteger primeQ, 
                BigInteger primeExponentP, 
                BigInteger primeExponentQ, 
                BigInteger crtCoefficient)

Creates a new RSAPrivateCrtKeySpec given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.

Parameters
modulus BigInteger: the modulus n

publicExponent BigInteger: the public exponent e

privateExponent BigInteger: the private exponent d

primeP BigInteger: the prime factor p of n

primeQ BigInteger: the prime factor q of n

primeExponentP BigInteger: this is d mod (p-1)

primeExponentQ BigInteger: this is d mod (q-1)

crtCoefficient BigInteger: the Chinese Remainder Theorem coefficient q-1 mod p

Public methods

getCrtCoefficient

added in API level 1
public BigInteger getCrtCoefficient ()

Returns the crtCoefficient.

Returns
BigInteger the crtCoefficient

getPrimeExponentP

added in API level 1
public BigInteger getPrimeExponentP ()

Returns the primeExponentP.

Returns
BigInteger the primeExponentP

getPrimeExponentQ

added in API level 1
public BigInteger getPrimeExponentQ ()

Returns the primeExponentQ.

Returns
BigInteger the primeExponentQ

getPrimeP

added in API level 1
public BigInteger getPrimeP ()

Returns the primeP.

Returns
BigInteger the primeP

getPrimeQ

added in API level 1
public BigInteger getPrimeQ ()

Returns the primeQ.

Returns
BigInteger the primeQ

getPublicExponent

added in API level 1
public BigInteger getPublicExponent ()

Returns the public exponent.

Returns
BigInteger the public exponent