TcpSocket encrypted() signal

Hi, I don't know why the encrypted signal is not emitted in this code:

Code:

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SSLServer::SSLServer(int socket_descriptor, QObject *parent) : QObject(parent) {
    /* create server socket */
    server = new QSslSocket(this);
 
    /* call a slot after 1 second - to terminate the unauthenticated connection */
    QTimer::singleShot(1000, this, SLOT(abort_connection()));
 
    /* set socket descriptor */
    if(!server->setSocketDescriptor(socket_descriptor)) {
        qWarning("Failed to set socket descriptor in SSLServer");
        close(socket_descriptor);
        delete this;
        return;
    }
 
    /* add CA certificate: it is used by the handshake process to validate the peer's certificate*/
    QSslCertificate ca_cert = handle_certificate(":/central_authority.crt");
    server->addCaCertificate(ca_cert);
 
    /* set the server's (LOCAL) digital certificate */
    QSslCertificate server_cert = handle_certificate(":/server.crt");
    server->setLocalCertificate(server_cert);
 
    /* set the server's (LOCAL) private key -> [key+certificate == prove identity to SSL peer] */
    server->setPrivateKey(":/server.key", QSsl::Rsa, QSsl::Pem, "");
 
    /* set cipher protocol */
    server->setProtocol(QSsl::SslV3);
 
    /* server has to ask the client to send the certificate */
    /* the client ask the server to send the certificate by default */
    server->setPeerVerifyMode(QSslSocket::VerifyPeer);
 
    /* starts a delayed SSL handshake */
    server->startServerEncryption();
 
#ifdef SSL_DEBUG
    /* wait for socket to complete SSL handshake -> when encrypted it emits encrypted signal */
    if(server->waitForEncrypted(1000))
        print_socket_info();
#endif 
 
    connection_established();
 
    /* if handshake is successful and encrypted socket is ready to use */
    connect(server, SIGNAL(encrypted()), this, SLOT(connection_established()));
    /* if error occurs the sslErrors() signal is emitted */
    connect(server, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(error_occured(const QList<QSslError> &)));
}
 
void SSLServer::connection_established() {
    qDebug() << "SSL Handshake succedded. The socket is now encrypted." << endl;
    get_certificate_data();
    create_files_dir();
}

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This is the server...on the client the encrypted() signal is emitted without a problem.

Any ideas...I need functionality to know when a socket is encryted, so I can start sending files to the client...thanks