Added in API level 1

Summary: Ctors | Methods | Inherited Methods

RSAMultiPrimePrivateCrtKeySpec

public class RSAMultiPrimePrivateCrtKeySpec
extends RSAPrivateKeySpec

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

This class specifies an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard using the Chinese Remainder Theorem (CRT) information values for efficiency.

See also:

Summary

Public constructors
`RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient, RSAOtherPrimeInfo[] otherPrimeInfo)` Creates a new `RSAMultiPrimePrivateCrtKeySpec`.
`RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient, RSAOtherPrimeInfo[] otherPrimeInfo, AlgorithmParameterSpec keyParams)` Creates a new `RSAMultiPrimePrivateCrtKeySpec` with additional key parameters.

Public methods
`BigInteger`	`getCrtCoefficient()` Returns the crtCoefficient.
`RSAOtherPrimeInfo[]`	`getOtherPrimeInfo()` Returns a copy of the otherPrimeInfo or null if there are only two prime factors (p and q).
`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

From class


        
          java.security.spec.RSAPrivateKeySpec

`BigInteger`	`getModulus()` Returns the modulus.
`AlgorithmParameterSpec`	`getParams()` Returns the parameters associated with this key, may be null if not present.
`BigInteger`	`getPrivateExponent()` Returns the private exponent.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

RSAMultiPrimePrivateCrtKeySpec

Added in API level 1

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

Creates a new RSAMultiPrimePrivateCrtKeySpec.

Note that the contents of otherPrimeInfo are copied to protect against subsequent modification when constructing this object.

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
`otherPrimeInfo`	`RSAOtherPrimeInfo`: triplets of the rest of primes, null can be specified if there are only two prime factors (p and q)

Throws
`NullPointerException`	if any of the specified parameters with the exception of `otherPrimeInfo` is null
`IllegalArgumentException`	if an empty, i.e. 0-length, `otherPrimeInfo` is specified

RSAMultiPrimePrivateCrtKeySpec

Added in API level 35

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

Creates a new RSAMultiPrimePrivateCrtKeySpec with additional key parameters.

Note that the contents of otherPrimeInfo are copied to protect against subsequent modification when constructing this object.

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
`otherPrimeInfo`	`RSAOtherPrimeInfo`: triplets of the rest of primes, null can be specified if there are only two prime factors (p and q)
`keyParams`	`AlgorithmParameterSpec`: the parameters associated with key

Throws
`NullPointerException`	if any of the specified parameters with the exception of `otherPrimeInfo` and `keyParams` is null
`IllegalArgumentException`	if an empty, i.e. 0-length, `otherPrimeInfo` is specified

Public methods

getCrtCoefficient

Added in API level 1

public BigInteger getCrtCoefficient ()

Returns the crtCoefficient.

Returns
`BigInteger`	the crtCoefficient.

getOtherPrimeInfo

Added in API level 1

public RSAOtherPrimeInfo[] getOtherPrimeInfo ()

Returns a copy of the otherPrimeInfo or null if there are only two prime factors (p and q).

Returns
`RSAOtherPrimeInfo[]`	the otherPrimeInfo. Returns a new array each time this method is called.

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.