password2.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

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** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
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** under the terms of the GNU General Public License as published by the
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** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
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** the code of this program with Qtopia applications copyrighted, developed
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#include <qtopia/password.h>
#include <qtopia/config.h>
#include <qtopia/qpeapplication.h>
#include <qstring.h>

//////
// START COPIED CODE from password.cpp
//////
#ifndef Q_OS_WIN32
extern "C" char *crypt(const char *key, const char *salt);
#else
static char *crypt(const char *key, const char *salt) {
    //#### revise  
    Q_UNUSED(salt)
    return (char*)key;
}
#endif

static QString qcrypt(const QString& k, const char *salt)
{
    const QCString c_str = k.utf8();
    int		len = k.length();
    QString	result;
    const char	*ptr = c_str;

    for (; len > 8; len -= 8) {
	result += QString::fromUtf8(crypt(ptr, salt));
	ptr += 8;
    }

    if (len) {
	result += QString::fromUtf8(crypt(ptr, salt));
    }

    return result;
}
//////
// END COPIED CODE from password.cpp
//////

bool Password::authenticate(const QString &text)
{
    Config cfg("Security");
    cfg.setGroup("Passcode");
    QString passcode = cfg.readEntry("passcode");
    return (passcode.isEmpty() || qcrypt(text, "a0") == passcode);
}