Java Key Pair Create generateKeyPair()

Description

Create new public & private keys with length 4096.

License

Apache License

Exception

Parameter	Description
NoSuchProviderException	an exception
NoSuchAlgorithmException	an exception

Return

A new pair of public & private keys

Declaration

public static KeyPair generateKeyPair() throws NoSuchProviderException, NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.security.KeyPair;
import java.security.KeyPairGenerator;

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;

public class Main {
    /**/* w  w w  .j av  a2 s  . co m*/
     * The default key length to use when generating a keypair.
     */
    public static final int DEFAULT_KEY_LENGTH = 4096;

    /**
     * Create new public & private keys with length 4096.
     *
     * @return A new pair of public & private keys
     * @throws NoSuchProviderException
     * @throws NoSuchAlgorithmException
     * @see #generateKeyPair(int)
     */
    public static KeyPair generateKeyPair() throws NoSuchProviderException, NoSuchAlgorithmException {
        return generateKeyPair(DEFAULT_KEY_LENGTH);
    }

    /**
     * Create new public & private keys of the provided length.
     *
     * @return A new pair of public & private keys
     * @throws NoSuchProviderException
     * @throws NoSuchAlgorithmException
     * @see #generateKeyPair()
     */
    public static KeyPair generateKeyPair(int keyLength) throws NoSuchProviderException, NoSuchAlgorithmException {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(keyLength);
        return keyGen.generateKeyPair();
    }
}

Related

1. generateKeyPair()
2. generateKeyPair()
3. generateKeyPair()
4. generateKeyPair()
5. generateKeyPair()
6. generateKeyPair()
7. generateKeyPair()
8. generateKeyPair()
9. generateKeyPair()