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Diffstat (limited to 'src/network/ssl/qsslkey_qt.cpp')
| -rw-r--r-- | src/network/ssl/qsslkey_qt.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/network/ssl/qsslkey_qt.cpp b/src/network/ssl/qsslkey_qt.cpp new file mode 100644 index 0000000000..1e60476601 --- /dev/null +++ b/src/network/ssl/qsslkey_qt.cpp @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Jeremy Lainé <jeremy.laine@m4x.org> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtNetwork module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsslkey.h" +#include "qsslkey_p.h" +#include "qasn1element_p.h" + +QT_USE_NAMESPACE + +static const quint8 bits_table[256] = { + 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4, + 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, + 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, +}; + +static int numberOfBits(const QByteArray &modulus) +{ + int bits = modulus.size() * 8; + for (int i = 0; i < modulus.size(); ++i) { + quint8 b = modulus[i]; + bits -= 8; + if (b != 0) { + bits += bits_table[b]; + break; + } + } + return bits; +} + +void QSslKeyPrivate::clear(bool deep) +{ + Q_UNUSED(deep); + isNull = true; + derData.clear(); + keyLength = -1; +} + +void QSslKeyPrivate::decodeDer(const QByteArray &der, const QByteArray &passPhrase, + bool deepClear) +{ + clear(deepClear); + + if (der.isEmpty()) + return; + + if (type == QSsl::PrivateKey && !passPhrase.isEmpty()) { + Q_UNIMPLEMENTED(); + return; + } + + QAsn1Element elem; + if (!elem.read(der) || elem.type() != QAsn1Element::SequenceType) + return; + + if (type == QSsl::PublicKey) { + // key info + QDataStream keyStream(elem.value()); + if (!elem.read(keyStream) || elem.type() != QAsn1Element::SequenceType) + return; + QVector<QAsn1Element> infoItems = elem.toVector(); + if (infoItems.size() < 2 || infoItems[0].type() != QAsn1Element::ObjectIdentifierType) + return; + if (algorithm == QSsl::Rsa) { + if (infoItems[0].toObjectId() != "1.2.840.113549.1.1.1") + return; + // key data + if (!elem.read(keyStream) || elem.type() != QAsn1Element::BitStringType || elem.value().isEmpty()) + return; + if (!elem.read(elem.value().mid(1)) || elem.type() != QAsn1Element::SequenceType) + return; + if (!elem.read(elem.value()) || elem.type() != QAsn1Element::IntegerType) + return; + keyLength = numberOfBits(elem.value()); + } else if (algorithm == QSsl::Dsa) { + if (infoItems[0].toObjectId() != "1.2.840.10040.4.1") + return; + if (infoItems[1].type() != QAsn1Element::SequenceType) + return; + // key params + QVector<QAsn1Element> params = infoItems[1].toVector(); + if (params.isEmpty() || params[0].type() != QAsn1Element::IntegerType) + return; + keyLength = numberOfBits(params[0].value()); + } + + } else { + QVector<QAsn1Element> items = elem.toVector(); + if (items.isEmpty()) + return; + + // version + if (items[0].type() != QAsn1Element::IntegerType || items[0].value().toHex() != "00") + return; + + if (algorithm == QSsl::Rsa) { + if (items.size() != 9 || items[1].type() != QAsn1Element::IntegerType) + return; + keyLength = numberOfBits(items[1].value()); + } else if (algorithm == QSsl::Dsa) { + if (items.size() != 6 || items[1].type() != QAsn1Element::IntegerType) + return; + keyLength = numberOfBits(items[1].value()); + } + } + + derData = der; + isNull = false; +} + +void QSslKeyPrivate::decodePem(const QByteArray &pem, const QByteArray &passPhrase, + bool deepClear) +{ + decodeDer(derFromPem(pem), passPhrase, deepClear); +} + +int QSslKeyPrivate::length() const +{ + return keyLength; +} + +QByteArray QSslKeyPrivate::toPem(const QByteArray &passPhrase) const +{ + if (type == QSsl::PrivateKey && !passPhrase.isEmpty()) { + Q_UNIMPLEMENTED(); + return QByteArray(); + } + + return pemFromDer(derData); +} + +Qt::HANDLE QSslKeyPrivate::handle() const +{ + return opaque; +} |