1 files changed, 75 insertions, 0 deletions
diff --git a/src/plugins/tls/securetransport/qtlskey_st.cpp b/src/plugins/tls/securetransport/qtlskey_st.cpp
new file mode 100644
index 0000000000..db4187ee03
--- /dev/null
+++ b/src/plugins/tls/securetransport/qtlskey_st.cpp
@@ -0,0 +1,75 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// Copyright (C) 2014 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qtlskey_st_p.h"
+
+#include <QtNetwork/private/qsslkey_p.h>
+
+#include <QtCore/qbytearray.h>
+
+#include <CommonCrypto/CommonCrypto.h>
+
+#include <cstddef>
+
+QT_BEGIN_NAMESPACE
+
+namespace QTlsPrivate {
+namespace {
+
+// Before this code was located in qsslkey_mac.cpp.
+QByteArray wrapCCCrypt(CCOperation ccOp, QSslKeyPrivate::Cipher cipher,
+                       const QByteArray &data, const QByteArray &key,
+                       const QByteArray &iv)
+{
+    int blockSize = {};
+    CCAlgorithm ccAlgorithm = {};
+    switch (cipher) {
+    case Cipher::DesCbc:
+        blockSize = kCCBlockSizeDES;
+        ccAlgorithm = kCCAlgorithmDES;
+        break;
+    case Cipher::DesEde3Cbc:
+        blockSize = kCCBlockSize3DES;
+        ccAlgorithm = kCCAlgorithm3DES;
+        break;
+    case Cipher::Rc2Cbc:
+        blockSize = kCCBlockSizeRC2;
+        ccAlgorithm = kCCAlgorithmRC2;
+        break;
+    case Cipher::Aes128Cbc:
+    case Cipher::Aes192Cbc:
+    case Cipher::Aes256Cbc:
+        blockSize = kCCBlockSizeAES128;
+        ccAlgorithm = kCCAlgorithmAES;
+        break;
+    }
+    std::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 {};
+}
+
+} // Unnamed namespace.
+
+QByteArray TlsKeySecureTransport::decrypt(Cipher cipher, const QByteArray &data,
+                                          const QByteArray &key, const QByteArray &iv) const
+{
+    return wrapCCCrypt(kCCDecrypt, cipher, data, key, iv);
+}
+
+QByteArray TlsKeySecureTransport::encrypt(Cipher cipher, const QByteArray &data,
+                                          const QByteArray &key, const QByteArray &iv) const
+{
+    return wrapCCCrypt(kCCEncrypt, cipher, data, key, iv);
+}
+
+} // namespace QTlsPrivate
+
+QT_END_NAMESPACE