RSAKeyPairGenerator (Bouncy Castle Library 1.68 API Specification)

java.lang.Object
- org.bouncycastle.crypto.generators.RSAKeyPairGenerator

All Implemented Interfaces:: AsymmetricCipherKeyPairGenerator

public class RSAKeyPairGenerator
extends java.lang.Object
implements AsymmetricCipherKeyPairGenerator

an RSA key pair generator.

Constructor Summary

Constructors
Constructor Description

RSAKeyPairGenerator()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.math.BigInteger`	`chooseRandomPrime(int bitlength, java.math.BigInteger e, java.math.BigInteger sqrdBound)`	Choose a random prime value for use with RSA
`AsymmetricCipherKeyPair`	`generateKeyPair()`	return an AsymmetricCipherKeyPair containing the generated keys.
`void`	`init(KeyGenerationParameters param)`	intialise the key pair generator.
`protected boolean`	`isProbablePrime(java.math.BigInteger x)`

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

- Constructor Detail
  - RSAKeyPairGenerator
```
public RSAKeyPairGenerator()
```
- Method Detail
  - init
```
public void init(KeyGenerationParameters param)
```
    Description copied from interface: AsymmetricCipherKeyPairGenerator
    
    intialise the key pair generator.
    
    Specified by:
    
    init in interface AsymmetricCipherKeyPairGenerator
    
    Parameters:
    
    param - the parameters the key pair is to be initialised with.
  - generateKeyPair
```
public AsymmetricCipherKeyPair generateKeyPair()
```
    Description copied from interface: AsymmetricCipherKeyPairGenerator
    
    return an AsymmetricCipherKeyPair containing the generated keys.
    
    Specified by:
    
    generateKeyPair in interface AsymmetricCipherKeyPairGenerator
    
    Returns:
    
    an AsymmetricCipherKeyPair containing the generated keys.
  - chooseRandomPrime
```
protected java.math.BigInteger chooseRandomPrime(int bitlength,
                                                 java.math.BigInteger e,
                                                 java.math.BigInteger sqrdBound)
```
    Choose a random prime value for use with RSA
    
    Parameters:
    
    bitlength - the bit-length of the returned prime
    
    e - the RSA public exponent
    
    Returns:
    
    A prime p, with (p-1) relatively prime to e
  - isProbablePrime
```
protected boolean isProbablePrime(java.math.BigInteger x)
```