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Android APIs
public class

RSAPrivateCrtKeySpec

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

Class Overview

The key specification of a RSA private key using Chinese Remainder Theorem (CRT) values.

Defined in the PKCS #1 v2.1 standard.

Summary

Public Constructors
RSAPrivateCrtKeySpec ( BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient)
Creates a new RSAMultiPrimePrivateCrtKeySpec with the specified modulus, public exponent, private exponent, prime factors, prime exponents, crt coefficient, and additional primes.
Public Methods
BigInteger getCrtCoefficient ()
Returns the CRT coefficient, q^-1 mod p .
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 .
[Expand]
Inherited Methods
From class java.security.spec.RSAPrivateKeySpec
From class java.lang.Object

Public Constructors

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

Added in API level 1

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 .

Public Methods

public BigInteger getCrtCoefficient ()

Added in API level 1

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

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

public BigInteger getPrimeExponentP ()

Added in API level 1

Returns the exponent of the prime p .

Returns
  • the exponent of the prime p .

public BigInteger getPrimeExponentQ ()

Added in API level 1

Returns the exponent of the prime q .

Returns
  • the exponent of the prime q .

public BigInteger getPrimeP ()

Added in API level 1

Returns the prime factor p .

Returns
  • the prime factor p .

public BigInteger getPrimeQ ()

Added in API level 1

Returns the prime factor q .

Returns
  • the prime factor q .

public BigInteger getPublicExponent ()

Added in API level 1

Returns the public exponent e .

Returns
  • the public exponent e .