From 0863924483c09d05948f63d1b1740f107e3e80fe Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Mon, 8 Feb 2016 01:37:02 +0100 Subject: Linux/MacOSX: add progress bar for mouse collected entropy in GUI for keyfile generator and for random poll enrichment --- src/Main/Forms/KeyfileGeneratorDialog.cpp | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'src/Main/Forms/KeyfileGeneratorDialog.cpp') diff --git a/src/Main/Forms/KeyfileGeneratorDialog.cpp b/src/Main/Forms/KeyfileGeneratorDialog.cpp index bc4fb9fd..157f74e5 100644 --- a/src/Main/Forms/KeyfileGeneratorDialog.cpp +++ b/src/Main/Forms/KeyfileGeneratorDialog.cpp @@ -31,7 +31,7 @@ namespace VeraCrypt HashChoice->Select (0); RandomNumberGenerator::SetHash (Gui->GetSelectedData (HashChoice)->GetNew()); - ShowBytes (RandomPoolStaticText, RandomNumberGenerator::PeekPool().GetRange (0, 24)); + HideBytes (RandomPoolStaticText, 24); MouseStaticText->Wrap (Gui->GetCharWidth (MouseStaticText) * 70); MainSizer->SetMinSize (wxSize (-1, Gui->GetCharHeight (this) * 24)); @@ -39,6 +39,8 @@ namespace VeraCrypt Layout(); Fit(); Center(); + + MouseEventsCounter = 0; foreach (wxWindow *c, this->GetChildren()) c->Connect (wxEVT_MOTION, wxMouseEventHandler (KeyfileGeneratorDialog::OnMouseMotion), nullptr, this); @@ -169,12 +171,20 @@ namespace VeraCrypt if (ShowRandomPoolCheckBox->IsChecked()) ShowBytes (RandomPoolStaticText, RandomNumberGenerator::PeekPool().GetRange (0, 24)); + else + HideBytes (RandomPoolStaticText, 24); + + /* conservative estimate: 1 mouse move event brings 1 bit of entropy + * https://security.stackexchange.com/questions/32844/for-how-much-time-should-i-randomly-move-the-mouse-for-generating-encryption-key/32848#32848 + */ + if (MouseEventsCounter < 2560) + CollectedEntropy->SetValue (++MouseEventsCounter); } void KeyfileGeneratorDialog::OnShowRandomPoolCheckBoxClicked (wxCommandEvent& event) { if (!event.IsChecked()) - RandomPoolStaticText->SetLabel (L""); + HideBytes (RandomPoolStaticText, 24); } void KeyfileGeneratorDialog::OnRandomSizeCheckBoxClicked (wxCommandEvent& event) @@ -204,4 +214,16 @@ namespace VeraCrypt str[i] = L'X'; } } + + void KeyfileGeneratorDialog::HideBytes (wxStaticText *textCtrl, size_t len) + { + wxString str; + + for (size_t i = 0; i < len + 1; ++i) + { + str += L"**"; + } + + textCtrl->SetLabel (str.c_str()); + } } -- cgit v1.2.3