public function testEncryptionUsingPrivateKeyBase64Encryption()
{
$rsa = new RSA(array('pemString' => $this->_testPemString));
$encrypted = $rsa->encrypt('1234567890', $rsa->getPrivateKey(), RSA::BASE64);
$this->assertEquals('1234567890', $rsa->decrypt($encrypted, $rsa->getPublicKey(), RSA::BASE64));
}