diff options
Diffstat (limited to 'src/network/ssl/qsslkey_winrt.cpp')
| -rw-r--r-- | src/network/ssl/qsslkey_winrt.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/network/ssl/qsslkey_winrt.cpp b/src/network/ssl/qsslkey_winrt.cpp new file mode 100644 index 0000000000..c5b4146ee9 --- /dev/null +++ b/src/network/ssl/qsslkey_winrt.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** 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 "qsslcertificate_p.h" + +#include <QtCore/qfunctions_winrt.h> + +#include <wrl.h> +#include <windows.security.cryptography.h> +#include <windows.security.cryptography.core.h> +#include <windows.security.cryptography.certificates.h> +#include <windows.storage.streams.h> +#include <robuffer.h> + +using namespace Microsoft::WRL; +using namespace Microsoft::WRL::Wrappers; +using namespace ABI::Windows::Foundation; +using namespace ABI::Windows::Security::Cryptography; +using namespace ABI::Windows::Security::Cryptography::Certificates; +using namespace ABI::Windows::Security::Cryptography::Core; +using namespace ABI::Windows::Storage::Streams; + +QT_USE_NAMESPACE + +struct SslKeyGlobal +{ + SslKeyGlobal() + { + HRESULT hr; + hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_Core_CryptographicEngine).Get(), + &engine); + Q_ASSERT_SUCCEEDED(hr); + + ComPtr<ISymmetricKeyAlgorithmProviderStatics> keyProviderFactory; + hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_Core_SymmetricKeyAlgorithmProvider).Get(), + &keyProviderFactory); + Q_ASSERT_SUCCEEDED(hr); + hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"DES_CBC").Get(), + &keyProviders[QSslKeyPrivate::DesCbc]); + Q_ASSERT_SUCCEEDED(hr); + hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"3DES_CBC").Get(), + &keyProviders[QSslKeyPrivate::DesEde3Cbc]); + Q_ASSERT_SUCCEEDED(hr); + hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"RC2_CBC").Get(), + &keyProviders[QSslKeyPrivate::Rc2Cbc]); + Q_ASSERT_SUCCEEDED(hr); + + hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_CryptographicBuffer).Get(), + &bufferFactory); + Q_ASSERT_SUCCEEDED(hr); + } + + ComPtr<ICryptographicEngineStatics> engine; + QHash<QSslKeyPrivate::Cipher, ComPtr<ISymmetricKeyAlgorithmProvider>> keyProviders; + ComPtr<ICryptographicBufferStatics> bufferFactory; +}; +Q_GLOBAL_STATIC(SslKeyGlobal, g) + +static QByteArray doCrypt(QSslKeyPrivate::Cipher cipher, QByteArray data, const QByteArray &key, const QByteArray &iv, bool encrypt) +{ + HRESULT hr; + + ISymmetricKeyAlgorithmProvider *keyProvider = g->keyProviders[cipher].Get(); + Q_ASSERT(keyProvider); + + ComPtr<IBuffer> keyBuffer; + hr = g->bufferFactory->CreateFromByteArray(key.length(), (BYTE *)key.data(), &keyBuffer); + Q_ASSERT_SUCCEEDED(hr); + ComPtr<ICryptographicKey> cryptographicKey; + hr = keyProvider->CreateSymmetricKey(keyBuffer.Get(), &cryptographicKey); + Q_ASSERT_SUCCEEDED(hr); + + UINT32 blockLength; + hr = keyProvider->get_BlockLength(&blockLength); + Q_ASSERT_SUCCEEDED(hr); + if (encrypt) { // Add padding + const char padding = blockLength - data.length() % blockLength; + data += QByteArray(padding, padding); + } + + ComPtr<IBuffer> dataBuffer; + hr = g->bufferFactory->CreateFromByteArray(data.length(), (BYTE *)data.data(), &dataBuffer); + Q_ASSERT_SUCCEEDED(hr); + ComPtr<IBuffer> ivBuffer; + hr = g->bufferFactory->CreateFromByteArray(iv.length(), (BYTE *)iv.data(), &ivBuffer); + Q_ASSERT_SUCCEEDED(hr); + ComPtr<IBuffer> resultBuffer; + hr = encrypt ? g->engine->Encrypt(cryptographicKey.Get(), dataBuffer.Get(), ivBuffer.Get(), &resultBuffer) + : g->engine->Decrypt(cryptographicKey.Get(), dataBuffer.Get(), ivBuffer.Get(), &resultBuffer); + Q_ASSERT_SUCCEEDED(hr); + + UINT32 resultLength; + hr = resultBuffer->get_Length(&resultLength); + Q_ASSERT_SUCCEEDED(hr); + ComPtr<Windows::Storage::Streams::IBufferByteAccess> bufferAccess; + hr = resultBuffer.As(&bufferAccess); + Q_ASSERT_SUCCEEDED(hr); + byte *resultData; + hr = bufferAccess->Buffer(&resultData); + Q_ASSERT_SUCCEEDED(hr); + + if (!encrypt) { // Remove padding + const uchar padding = resultData[resultLength - 1]; + if (padding > 0 && padding <= blockLength) + resultLength -= padding; + else + qWarning("Invalid padding length of %u; decryption likely failed.", padding); + } + + return QByteArray(reinterpret_cast<const char *>(resultData), resultLength); +} + +QByteArray QSslKeyPrivate::decrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) +{ + return doCrypt(cipher, data, key, iv, false); +} + +QByteArray QSslKeyPrivate::encrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) +{ + return doCrypt(cipher, data, key, iv, true); +} |