1 files changed, 223 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/tools/qcryptographichash/tst_bench_qcryptographichash.cpp b/tests/benchmarks/corelib/tools/qcryptographichash/tst_bench_qcryptographichash.cpp
new file mode 100644
index 0000000000..9f2d1c57f2
--- /dev/null
+++ b/tests/benchmarks/corelib/tools/qcryptographichash/tst_bench_qcryptographichash.cpp
@@ -0,0 +1,223 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// Copyright (C) 2017 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QByteArray>
+#include <QCryptographicHash>
+#include <QFile>
+#include <QMetaEnum>
+#include <QMessageAuthenticationCode>
+#include <QRandomGenerator>
+#include <QString>
+#include <QTest>
+
+#include <qxpfunctional.h>
+#include <numeric>
+
+#include <time.h>
+
+class tst_QCryptographicHash : public QObject
+{
+    Q_OBJECT
+    QByteArray blockOfData;
+
+    using Algorithm = QCryptographicHash::Algorithm;
+
+public:
+    tst_QCryptographicHash();
+
+private Q_SLOTS:
+    void hash_data();
+    void hash();
+    void addData_data() { hash_data(); }
+    void addData();
+    void addDataChunked_data() { hash_data(); }
+    void addDataChunked();
+
+    // QMessageAuthenticationCode:
+    void hmac_hash_data() { hash_data(); }
+    void hmac_hash();
+    void hmac_addData_data() { hash_data(); }
+    void hmac_addData();
+    void hmac_setKey_data();
+    void hmac_setKey();
+};
+
+const int MaxBlockSize = 65536;
+
+static void for_each_algorithm(qxp::function_ref<void(QCryptographicHash::Algorithm, const char*) const> f)
+{
+    using A = QCryptographicHash::Algorithm;
+    static const auto metaEnum = QMetaEnum::fromType<A>();
+    for (int i = 0, value = metaEnum.value(i); value != -1; value = metaEnum.value(++i))
+        f(A(value), metaEnum.key(i));
+}
+
+tst_QCryptographicHash::tst_QCryptographicHash()
+    : blockOfData(MaxBlockSize, Qt::Uninitialized)
+{
+#ifdef Q_OS_UNIX
+    QFile urandom("/dev/urandom");
+    if (urandom.open(QIODevice::ReadOnly | QIODevice::Unbuffered)) {
+        QCOMPARE(urandom.read(blockOfData.data(), blockOfData.size()), qint64(MaxBlockSize));
+    } else
+#endif
+    {
+        for (int i = 0; i < MaxBlockSize; ++i)
+            blockOfData[i] = QRandomGenerator::global()->generate();
+    }
+}
+
+void tst_QCryptographicHash::hash_data()
+{
+    QTest::addColumn<Algorithm>("algo");
+    QTest::addColumn<QByteArray>("data");
+
+    static const int datasizes[] = { 0, 1, 64, 65, 512, 4095, 4096, 4097, 65536 };
+    for (uint i = 0; i < sizeof(datasizes)/sizeof(datasizes[0]); ++i) {
+        Q_ASSERT(datasizes[i] < MaxBlockSize);
+        QByteArray data = QByteArray::fromRawData(blockOfData.constData(), datasizes[i]);
+
+        for_each_algorithm([&] (Algorithm algo, const char *name) {
+            if (algo == Algorithm::NumAlgorithms)
+                return;
+            QTest::addRow("%s-%d", name, datasizes[i]) << algo << data;
+        });
+    }
+}
+
+#define SKIP_IF_NOT_SUPPORTED(algo) do { \
+        if (!QCryptographicHash::supportsAlgorithm(algo)) \
+            QSKIP("This algorithm is not supported in this configuration"); \
+    } while (false) \
+    /* end */
+
+void tst_QCryptographicHash::hash()
+{
+    QFETCH(const Algorithm, algo);
+    QFETCH(QByteArray, data);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    QBENCHMARK {
+        [[maybe_unused]]
+        auto r = QCryptographicHash::hash(data, algo);
+    }
+}
+
+void tst_QCryptographicHash::addData()
+{
+    QFETCH(const Algorithm, algo);
+    QFETCH(QByteArray, data);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    QCryptographicHash hash(algo);
+    QBENCHMARK {
+        hash.reset();
+        hash.addData(data);
+        [[maybe_unused]]
+        auto r = hash.resultView();
+    }
+}
+
+void tst_QCryptographicHash::addDataChunked()
+{
+    QFETCH(const Algorithm, algo);
+    QFETCH(QByteArray, data);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    QCryptographicHash hash(algo);
+    QBENCHMARK {
+        hash.reset();
+
+        // add the data in chunks of 64 bytes
+        for (int i = 0; i < data.size() / 64; ++i)
+            hash.addData({data.constData() + 64 * i, 64});
+        hash.addData({data.constData() + data.size() / 64 * 64, data.size() % 64});
+
+        [[maybe_unused]]
+        auto r = hash.resultView();
+    }
+}
+
+static QByteArray hmacKey() {
+    static QByteArray key = [] {
+            QByteArray result(277, Qt::Uninitialized);
+            std::iota(result.begin(), result.end(), uchar(0)); // uchar so wraps after UCHAR_MAX
+            return result;
+        }();
+    return key;
+}
+
+void tst_QCryptographicHash::hmac_hash()
+{
+    QFETCH(const Algorithm, algo);
+    QFETCH(const QByteArray, data);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    const auto key = hmacKey();
+    QBENCHMARK {
+        [[maybe_unused]]
+        auto r = QMessageAuthenticationCode::hash(data, key, algo);
+    }
+}
+
+void tst_QCryptographicHash::hmac_addData()
+{
+    QFETCH(const Algorithm, algo);
+    QFETCH(const QByteArray, data);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    const auto key = hmacKey();
+    QMessageAuthenticationCode mac(algo, key);
+    QBENCHMARK {
+        mac.reset();
+        mac.addData(data);
+        [[maybe_unused]]
+        auto r = mac.resultView();
+    }
+}
+
+void tst_QCryptographicHash::hmac_setKey_data()
+{
+    QTest::addColumn<Algorithm>("algo");
+    for_each_algorithm([] (Algorithm algo, const char *name) {
+        if (algo == Algorithm::NumAlgorithms)
+            return;
+        QTest::addRow("%s", name) << algo;
+    });
+}
+
+void tst_QCryptographicHash::hmac_setKey()
+{
+    QFETCH(const Algorithm, algo);
+
+    SKIP_IF_NOT_SUPPORTED(algo);
+
+    const QByteArrayList keys = [] {
+            QByteArrayList result;
+            const auto fullKey = hmacKey();
+            result.reserve(fullKey.size());
+            for (auto i = fullKey.size(); i > 0; --i)
+                result.push_back(fullKey.sliced(i));
+            return result;
+        }();
+
+    QMessageAuthenticationCode mac(algo);
+    QBENCHMARK {
+        for (const auto &key : keys) {
+            mac.setKey(key);
+            mac.addData("abc", 3); // avoid lazy setKey()
+        }
+    }
+}
+
+#undef SKIP_IF_NOT_SUPPORTED
+
+QTEST_APPLESS_MAIN(tst_QCryptographicHash)
+
+#include "tst_bench_qcryptographichash.moc"