RSAKeyGenParameterSpec

java.lang.Object
- java.security.spec.RSAKeyGenParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec
```
public class RSAKeyGenParameterSpec
extends Object
implements AlgorithmParameterSpec
```
This class specifies the set of parameters used to generate an RSA key pair.

Since:

1.3

See Also:

KeyPairGenerator.initialize(java.security.spec.AlgorithmParameterSpec)

Field Summary

Fields
Modifier and Type Field Description

static BigInteger F0
The public-exponent value F0 = 3.

static BigInteger F4
The public exponent-value F4 = 65537.

Constructor Summary

Constructors
Constructor	Description
`RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)`	Constructs a new `RSAParameterSpec` object from the given keysize and public-exponent value.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getKeysize()`	Returns the keysize.
`BigInteger`	`getPublicExponent()`	Returns the public-exponent value.

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

- Field Detail
  - F0
```
public static final BigInteger F0
```
    The public-exponent value F0 = 3.
  - F4
```
public static final BigInteger F4
```
    The public exponent-value F4 = 65537.
- Constructor Detail
  - RSAKeyGenParameterSpec
```
public RSAKeyGenParameterSpec(int keysize,
                              BigInteger publicExponent)
```
    Constructs a new RSAParameterSpec object from the given keysize and public-exponent value.
    
    Parameters:
    
    keysize - the modulus size (specified in number of bits)
    
    publicExponent - the public exponent
- Method Detail
  - getKeysize
```
public int getKeysize()
```
    Returns the keysize.
    
    Returns:
    
    the keysize.
  - getPublicExponent
```
public BigInteger getPublicExponent()
```
    Returns the public-exponent value.
    
    Returns:
    
    the public-exponent value.