# Interface RSAMultiPrimePrivateCrtKey

All Superinterfaces:
  `AsymmetricKey, DEREncodablePREVIEW, Destroyable, Key, PrivateKey, RSAKey, RSAPrivateKey, Serializable`

public interface RSAMultiPrimePrivateCrtKey extends RSAPrivateKey
The interface to an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.

Since:
  1.4
External Specifications
  - RFC 8017: PKCS #1: RSA Cryptography Specifications Version 2.2
See Also:
  - `RSAPrivateKeySpec`
  - `RSAMultiPrimePrivateCrtKeySpec`
  - `RSAPrivateKey`
  - `RSAPrivateCrtKey`

## Field Summary

Fields
Modifier and Type
Field
Description
`static final long`
`serialVersionUID`
Deprecated.
A `serialVersionUID` field in an interface is ineffectual.

## Method Summary

Modifier and Type
Method
Description
`BigInteger`
`getCrtCoefficient()`
Returns the crtCoefficient.
`RSAOtherPrimeInfo[]`
`getOtherPrimeInfo()`
Returns 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.

### Methods declared in interface Destroyable

`destroy, isDestroyed`

### Methods declared in interface Key

`getAlgorithm, getEncoded, getFormat`

### Methods declared in interface RSAKey

`getModulus`

### Methods declared in interface RSAPrivateKey

`getParams, getPrivateExponent`

## Field Details

### serialVersionUID

@Deprecated static final long serialVersionUID
Deprecated.
A `serialVersionUID` field in an interface is ineffectual. Do not use; no replacement.
The type fingerprint that is set to indicate serialization compatibility with a previous version of the type.

See Also:
  - Constant Field Values

## Method Details

### getPublicExponent

BigInteger getPublicExponent()
Returns the public exponent.

Returns:
  the public exponent.

### getPrimeP

BigInteger getPrimeP()
Returns the primeP.

Returns:
  the primeP.

### getPrimeQ

BigInteger getPrimeQ()
Returns the primeQ.

Returns:
  the primeQ.

### getPrimeExponentP

BigInteger getPrimeExponentP()
Returns the primeExponentP.

Returns:
  the primeExponentP.

### getPrimeExponentQ

BigInteger getPrimeExponentQ()
Returns the primeExponentQ.

Returns:
  the primeExponentQ.

### getCrtCoefficient

BigInteger getCrtCoefficient()
Returns the crtCoefficient.

Returns:
  the crtCoefficient.

### getOtherPrimeInfo

RSAOtherPrimeInfo[] getOtherPrimeInfo()
Returns the otherPrimeInfo or null if there are only two prime factors (p and q).

Returns:
  the otherPrimeInfo.