RSAPrivateCrtKeySpec (Java SE 9 & JDK 9 ) (original) (raw)

• java.lang.Object

• • java.security.spec.RSAPrivateKeySpec
  • • java.security.spec.RSAPrivateCrtKeySpec

• All Implemented Interfaces:
  [KeySpec](../../../java/security/spec/KeySpec.html "interface in java.security.spec")

public class RSAPrivateCrtKeySpec
extends RSAPrivateKeySpec
This class specifies an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.
Since:
1.2
See Also:
Key, KeyFactory, KeySpec, PKCS8EncodedKeySpec, RSAPrivateKeySpec, RSAPublicKeySpec

• • Constructor Summary

  Constructors

  Constructor	Description
  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.

  • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method	Description
  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.

     * ### Methods inherited from class java.lang.[Object](../../../java/lang/Object.html "class in java.lang")  
     `[clone](../../../java/lang/Object.html#clone--), [equals](../../../java/lang/Object.html#equals-java.lang.Object-), [finalize](../../../java/lang/Object.html#finalize--), [getClass](../../../java/lang/Object.html#getClass--), [hashCode](../../../java/lang/Object.html#hashCode--), [notify](../../../java/lang/Object.html#notify--), [notifyAll](../../../java/lang/Object.html#notifyAll--), [toString](../../../java/lang/Object.html#toString--), [wait](../../../java/lang/Object.html#wait--), [wait](../../../java/lang/Object.html#wait-long-), [wait](../../../java/lang/Object.html#wait-long-int-)`  
     * ### Methods inherited from class java.security.spec.[RSAPrivateKeySpec](../../../java/security/spec/RSAPrivateKeySpec.html "class in java.security.spec")  
     `[getModulus](../../../java/security/spec/RSAPrivateKeySpec.html#getModulus--), [getPrivateExponent](../../../java/security/spec/RSAPrivateKeySpec.html#getPrivateExponent--)`

• • Constructor Detail

     * #### RSAPrivateCrtKeySpec  
     public RSAPrivateCrtKeySpec​([BigInteger](../../../java/math/BigInteger.html "class in java.math") modulus,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") publicExponent,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") privateExponent,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") primeP,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") primeQ,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") primeExponentP,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") primeExponentQ,  
                                 [BigInteger](../../../java/math/BigInteger.html "class in java.math") crtCoefficient)  
     Creates a new `RSAPrivateCrtKeySpec` given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.  
     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` \- this is d mod (p-1)  
     `primeExponentQ` \- this is d mod (q-1)  
     `crtCoefficient` \- the Chinese Remainder Theorem coefficient q-1 mod p  

  • Method Detail

    * #### getPublicExponent  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getPublicExponent​()  
    Returns the public exponent.  
    Returns:  
    the public exponent  
    * #### getPrimeP  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getPrimeP​()  
    Returns the primeP.  
    Returns:  
    the primeP  
    * #### getPrimeQ  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getPrimeQ​()  
    Returns the primeQ.  
    Returns:  
    the primeQ  
    * #### getPrimeExponentP  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getPrimeExponentP​()  
    Returns the primeExponentP.  
    Returns:  
    the primeExponentP  
    * #### getPrimeExponentQ  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getPrimeExponentQ​()  
    Returns the primeExponentQ.  
    Returns:  
    the primeExponentQ  
    * #### getCrtCoefficient  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getCrtCoefficient​()  
    Returns the crtCoefficient.  
    Returns:  
    the crtCoefficient

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