diff options
Diffstat (limited to 'util/install/keygen/keyinfo.cpp')
| -rw-r--r-- | util/install/keygen/keyinfo.cpp | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/util/install/keygen/keyinfo.cpp b/util/install/keygen/keyinfo.cpp deleted file mode 100644 index 9ad5404..0000000 --- a/util/install/keygen/keyinfo.cpp +++ /dev/null @@ -1,164 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the utils of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <qregexp.h> - -#include "keyinfo.h" - -// Magic values -enum { - ProductMagic = 0xB292, - PlatformMagic = 0x5C7E, - LicenseSchemaMagic = 0xE3B, - LicenseIDMagic = 0xCE57, - FeatureMagic = 0x4D5 -}; - -static const char Xalphabet[] = "WX9MUEC7AJH3KS6DB4YFG2L5PQRT8VNZ"; -static const int XAlphabetSize = sizeof(Xalphabet) - 1; - -static QString encodeBaseX(uint k) -{ - QString str; - do { - str += QChar(Xalphabet[ k % XAlphabetSize ]); - k /= XAlphabetSize; - } while (k > 0u); - return str; -} - -static uint decodeBaseX(const QString &str) -{ - uint k = 0; - int i = str.length(); - while (i > 0) { - i--; - const char *p = strchr(Xalphabet, str[i].unicode()); - if (p == 0) { - return 0; - } else { - k = (k * XAlphabetSize) + (p - Xalphabet); - } - } - return k; -} - -static const QDate StartDate(2001, 1, 1); -static const uint MaxDays = 4000; - -static QString encodedExpiryDate(const QDate &date) -{ - uint days = StartDate.daysTo(date); - if (days >= MaxDays) - days = MaxDays - 1; - uint x = (days << 7) ^ days; - return encodeBaseX(x ^ 0x0000beef); -} - -static QDate decodedExpiryDate(const QString &encodedDate) -{ - QDate date; - uint y = decodeBaseX(encodedDate); - uint x = y ^ 0x0000beef; - uint days = ( (x >> 7) ^ x ) >> 7; - if (days >= MaxDays) - return QDate(); - date = StartDate.addDays( days ); - if (encodedExpiryDate(date) != encodedDate) - return QDate(); - return date; -} - -bool decodeLicenseKey(const QString &licenseKey, - uint *products, - uint *platforms, - uint *licenseSchema, - uint *licenseFeatures, - uint *licenseID, - QDate *expiryDate) -{ - QStringList licenseParts; - int dash = -1; - do { - int start = dash + 1; - dash = licenseKey.indexOf('-', start); - licenseParts.append(licenseKey.mid(start, dash - start)); - } while (dash != -1); - - // license keys have 7 fields - if (licenseParts.size() != 7) { - // invalid key - return false; - } - QString productPart = licenseParts.at(0); - QString platformPart = licenseParts.at(1); - QString licenseSchemaPart = licenseParts.at(2); - QString licenseFeaturesPart = licenseParts.at(3); - QString licenseIDPart = licenseParts.at(4); - QString expiryDatePart = licenseParts.at(5); - QString checksumPart = licenseParts.at(6); - QString keyPart = productPart - + '-' + platformPart - + '-' + licenseSchemaPart - + '-' + licenseFeaturesPart - + '-' + licenseIDPart - + '-' + expiryDatePart; - - // verify the crc - QByteArray ba = keyPart.toLatin1(); - int crc = qChecksum(ba.constData(), ba.size()); - QString checksumVerification = QString("%1%2") - .arg((crc & 0xff),2,16,QChar('0')) - .arg((crc >> 8 & 0xff),2,16,QChar('0')) - .toUpper(); - if (checksumPart != checksumVerification) { - // invalid checksum - return false; - } - - *products = decodeBaseX(productPart) ^ ProductMagic; - *platforms = decodeBaseX(platformPart) ^ PlatformMagic; - *licenseSchema = decodeBaseX(licenseSchemaPart) ^ LicenseSchemaMagic; - *licenseFeatures = decodeBaseX(licenseFeaturesPart) ^ FeatureMagic; - *licenseID = decodeBaseX(licenseIDPart) ^ LicenseIDMagic; - *expiryDate = decodedExpiryDate(expiryDatePart); - return true; -} |