tdecryptographiccarddevice.h

/* This file is part of the TDE libraries
   Copyright (C) 2015 Timothy Pearson <kb9vqf@pearsoncomputing.net>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef _TDECRYPTOGRAPHICCARDDEVICE_H
#define _TDECRYPTOGRAPHICCARDDEVICE_H

#include "ksslconfig.h"
#include "tdegenericdevice.h"

#ifndef _TDECRYPTOGRAPHICCARDDEVICE_INTERNAL
    #ifdef KSSL_HAVE_SSL
        typedef struct x509_st X509;
    #else
        struct X509;
    #endif
#endif

class TQEventLoopThread;
class CryptoCardDeviceWatcher;

typedef TQValueList<X509*> X509CertificatePtrList;
typedef TQValueListIterator<X509*> X509CertificatePtrListIterator;

class TDECORE_EXPORT TDECryptographicCardDevice : public TDEGenericDevice
{
    Q_OBJECT

    public:
        TDECryptographicCardDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);

        ~TDECryptographicCardDevice();

        void enableCardMonitoring(bool enable);

        void enablePINEntryCallbacks(bool enable);

        int cardPresent();

        TQString cardATR();

        X509CertificatePtrList cardX509Certificates();

        void setProvidedPin(TQString pin);

        TQString autoPIN();

        int decryptDataEncryptedWithCertPublicKey(TQByteArray &ciphertext, TQByteArray &plaintext, TQString *errstr=NULL);

        int decryptDataEncryptedWithCertPublicKey(TQValueList<TQByteArray> &cipherTextList, TQValueList<TQByteArray> &plainTextList, TQValueList<int> &retcodes, TQString *errstr);

        static int createNewSecretRSAKeyFromCertificate(TQByteArray &plaintext, TQByteArray &ciphertext, X509* certificate);

        static TQString pkcsProviderLibrary();

    public slots:
        void cardStatusChanged(TQString status, TQString atr);
        void workerRequestedPin(TQString prompt);

    signals:
        void cardInserted(TDECryptographicCardDevice*);
        void cardRemoved(TDECryptographicCardDevice*);
        void certificateListAvailable(TDECryptographicCardDevice*);
        void pinRequested(TQString prompt, TDECryptographicCardDevice* cdevice);

    private:
        TQEventLoopThread *m_watcherThread;
        CryptoCardDeviceWatcher *m_watcherObject;

        bool m_cardPresent;
        TQString m_cardATR;
        X509CertificatePtrList m_cardCertificates;

    friend class TDEHardwareDevices;
    friend class CryptoCardDeviceWatcher;
};

#endif // _TDECRYPTOGRAPHICCARDDEVICE_H