<?php
namespace ParagonIE\EasyRSA;
use \phpseclib\Crypt\RSA;
use \ParagonIE\EasyRSA\Exception\InvalidKeyException;
class KeyPair
{
private $privateKey;
protected $publicKey;
public function __construct(PrivateKey $privateKey, PublicKey $publicKey = null)
{
$this->privateKey = $privateKey;
if (!$publicKey) {
$publicKey = $this->privateKey->getPublicKey();
}
$this->publicKey = $publicKey;
}
/**
* Generate a private/public RSA key pair
*
* @param int $size Key size
* @param string $passphrase Optional - password-protected private key
*
* @return self
* @throws InvalidKeyException
*/
public static function generateKeyPair($size = 2048)
{
if ($size < 2048) {
throw new InvalidKeyException('Key size must be at least 2048 bits.');
}
$rsa = new RSA();
$keypair = $rsa->createKey($size);
return new KeyPair(
new PrivateKey($keypair['privatekey']),
new PublicKey($keypair['publickey'])
);
}
/**
* @return PublicKey
*/
public function getPublicKey()
{
return $this->publicKey;
}
/**
* @return PrivateKey
*/
public function getPrivateKey()
{
return $this->privateKey;
}
}
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