RSAPublicKeySpec (Java SE 12 & JDK 12 )

java.lang.Object
- java.security.spec.RSAPublicKeySpec

All Implemented Interfaces:

KeySpec
```
public class RSAPublicKeySpec
extends Object
implements KeySpec
```
This class specifies an RSA public key.

Since:

1.2

See Also:

Key, KeyFactory, KeySpec, X509EncodedKeySpec, RSAPrivateKeySpec, RSAPrivateCrtKeySpec

Constructor Summary

Constructors
Constructor	Description
`RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent)`	Creates a new RSAPublicKeySpec.
`RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent, AlgorithmParameterSpec params)`	Creates a new RSAPublicKeySpec with additional key parameters.

Method Summary

Modifier and Type	Method	Description
`BigInteger`	`getModulus()`	Returns the modulus.
`AlgorithmParameterSpec`	`getParams()`	Returns the parameters associated with this key, may be null if not present.
`BigInteger`	`getPublicExponent()`	Returns the public exponent.

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RSAPublicKeySpec
```
public RSAPublicKeySpec(BigInteger modulus,
                        BigInteger publicExponent)
```
    Creates a new RSAPublicKeySpec.
    
    Parameters:
    
    modulus - the modulus
    
    publicExponent - the public exponent
  - RSAPublicKeySpec
```
public RSAPublicKeySpec(BigInteger modulus,
                        BigInteger publicExponent,
                        AlgorithmParameterSpec params)
```
    Creates a new RSAPublicKeySpec with additional key parameters.
    
    Parameters:
    
    modulus - the modulus
    
    publicExponent - the public exponent
    
    params - the parameters associated with this key, may be null
    
    Since:
    
    11
- Method Detail
  - getModulus
```
public BigInteger getModulus()
```
    Returns the modulus.
    
    Returns:
    
    the modulus
  - getPublicExponent
```
public BigInteger getPublicExponent()
```
    Returns the public exponent.
    
    Returns:
    
    the public exponent
  - getParams
```
public AlgorithmParameterSpec getParams()
```
    Returns the parameters associated with this key, may be null if not present.
    
    Returns:
    
    the parameters associated with this key
    
    Since:
    
    11