| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Jeremy Lainé <jeremy.laine@m4x.org> |
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| ** This file is part of the QtNetwork module of the Qt Toolkit. |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #include "qsslkey.h" |
| #include "qsslkey_p.h" |
| |
| #include <CommonCrypto/CommonCrypto.h> |
| |
| #include <cstddef> |
| |
| QT_BEGIN_NAMESPACE |
| |
| static QByteArray wrapCCCrypt(CCOperation ccOp, |
| QSslKeyPrivate::Cipher cipher, |
| const QByteArray &data, |
| const QByteArray &key, const QByteArray &iv) |
| { |
| int blockSize; |
| CCAlgorithm ccAlgorithm; |
| switch (cipher) { |
| case QSslKeyPrivate::DesCbc: |
| blockSize = kCCBlockSizeDES; |
| ccAlgorithm = kCCAlgorithmDES; |
| break; |
| case QSslKeyPrivate::DesEde3Cbc: |
| blockSize = kCCBlockSize3DES; |
| ccAlgorithm = kCCAlgorithm3DES; |
| break; |
| case QSslKeyPrivate::Rc2Cbc: |
| blockSize = kCCBlockSizeRC2; |
| ccAlgorithm = kCCAlgorithmRC2; |
| break; |
| case QSslKeyPrivate::Aes128Cbc: |
| case QSslKeyPrivate::Aes192Cbc: |
| case QSslKeyPrivate::Aes256Cbc: |
| blockSize = kCCBlockSizeAES128; |
| ccAlgorithm = kCCAlgorithmAES; |
| break; |
| } |
| size_t plainLength = 0; |
| QByteArray plain(data.size() + blockSize, 0); |
| CCCryptorStatus status = CCCrypt( |
| ccOp, ccAlgorithm, kCCOptionPKCS7Padding, |
| key.constData(), std::size_t(key.size()), |
| iv.constData(), |
| data.constData(), std::size_t(data.size()), |
| plain.data(), std::size_t(plain.size()), &plainLength); |
| if (status == kCCSuccess) |
| return plain.left(int(plainLength)); |
| return QByteArray(); |
| } |
| |
| QByteArray QSslKeyPrivate::decrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) |
| { |
| return wrapCCCrypt(kCCDecrypt, cipher, data, key, iv); |
| } |
| |
| QByteArray QSslKeyPrivate::encrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) |
| { |
| return wrapCCCrypt(kCCEncrypt, cipher, data, key, iv); |
| } |
| |
| QT_END_NAMESPACE |