ksmimecrypto.h

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/* This file is part of the KDE project
 *
 * Copyright (C) 2003 Stefan Rompf <sux@loplof.de>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * 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 __KSMIMECRYPTO_H
#define __KSMIMECRYPTO_H


#include <QtCore/QList>
#include "ksslpkcs12.h"
#include "ksslcertificate.h"

class KOpenSSLProxy;
class KSMIMECryptoPrivate;

class KIO_EXPORT KSMIMECrypto {
 public:
    KSMIMECrypto();
    ~KSMIMECrypto();

    enum algo { KSC_C_DES3_CBC = 1,
        KSC_C_RC2_CBC_128,
        KSC_C_RC2_CBC_64,
        KSC_C_DES_CBC,
        KSC_C_RC2_CBC_40 };

    enum rc { KSC_R_OK,        /* everything ok */
          KSC_R_OTHER,     /* unspecified error */
          KSC_R_NO_SSL,    /* No crypto lib / compiled without SSL */
          KSC_R_NOCIPHER,  /* encryption cipher n/a */
          KSC_R_NOMEM,     /* out of memory */
          KSC_R_FORMAT,    /* wrong input data format */
          KSC_R_WRONGKEY,  /* wrong decryption/signature key */
          KSC_R_VERIFY     /* data does not match signature */
    };

    rc signMessage(const QByteArray &clearText,
           QByteArray &cipherText,
           const KSSLPKCS12 &privKey,
           const QList<KSSLCertificate *> &certs,
           bool detached);

    rc checkDetachedSignature(const QByteArray &clearText,
                  const QByteArray &signature,
                  QList<KSSLCertificate *> &foundCerts);

    rc checkOpaqueSignature(const QByteArray &signedText,
                QByteArray &clearText,
                QList<KSSLCertificate *> &foundCerts);

    rc encryptMessage(const QByteArray &clearText,
              QByteArray &cipherText,
              algo algorithm,
              const QList<KSSLCertificate *> &recip);

    rc decryptMessage(const QByteArray &cipherText,
              QByteArray &clearText,
              const KSSLPKCS12 &privKey);

 private:
    KSMIMECryptoPrivate *priv;
    KOpenSSLProxy *kossl;
};

#endif