diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2021-04-02 17:25:12 -0700 |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@intel.com> | 2021-05-23 12:08:43 -0700 |
| commit | a5ff71578da5f6441ab8b07ae1fbf736d7f1e3ba (patch) | |
| tree | 9c7dafcc4de56e2d26bf2f7ff2a795fd70ea6be3 /src/corelib/tools/qhash.cpp | |
| parent | 928ce402a41c291e6f746cac903a4a44702c4689 (diff) | |
QRandomGenerator: let qt_initial_random_value() return 128 bits of data
It's how much there is in Linux's AT_RANDOM block.
I've also removed the check for validity. It's highly unlikely that 128
bits are bad.
Change-Id: Id2983978ad544ff79911fffd16723161ea7ec315
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'src/corelib/tools/qhash.cpp')
| -rw-r--r-- | src/corelib/tools/qhash.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp index 380bc0d7ea..dcb90a530d 100644 --- a/src/corelib/tools/qhash.cpp +++ b/src/corelib/tools/qhash.cpp @@ -743,7 +743,8 @@ static size_t qt_create_qhash_seed(HashCreationMode mode) } seed = 1; // QHashSeed::globalSeed subtracts 1 } else if (mode == Initial) { - seed = qt_initial_random_value(); + auto data = qt_initial_random_value(); + seed = data.data[0] ^ data.data[1]; } else if (sizeof(seed) > sizeof(uint)) { seed = QRandomGenerator::system()->generate64(); } else { |