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Automatically truncate passwords for TrueCrypt volumes and System Encryption to the first 64 characters. This fix issues encountered by users of TrueCrypt volumes who were using passwords longer than 64 characters that were truncated in previous version.

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This commit is contained in:
Mounir IDRASSI
2019-02-04 11:37:37 +01:00
parent 5d3278bcf2
commit 6bb1f24ed5
8 changed files with 57 additions and 28 deletions
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11
src/Main/Forms/VolumePasswordPanel.cpp
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@@ -219,15 +219,16 @@ namespace VeraCrypt
SetPimValidator ();
}
shared_ptr <VolumePassword> VolumePasswordPanel::GetPassword () const
shared_ptr <VolumePassword> VolumePasswordPanel::GetPassword (bool bForceLegacyPassword) const
{
return GetPassword (PasswordTextCtrl);
return GetPassword (PasswordTextCtrl, bForceLegacyPassword || GetTrueCryptMode());
}
shared_ptr <VolumePassword> VolumePasswordPanel::GetPassword (wxTextCtrl *textCtrl) const
shared_ptr <VolumePassword> VolumePasswordPanel::GetPassword (wxTextCtrl *textCtrl, bool bLegacyPassword) const
{
shared_ptr <VolumePassword> password;
wchar_t passwordBuf[VolumePassword::MaxSize + 1];
size_t maxPasswordLength = bLegacyPassword? VolumePassword::MaxLegacySize: VolumePassword::MaxSize;
finally_do_arg (BufferPtr, BufferPtr (reinterpret_cast <byte *> (passwordBuf), sizeof (passwordBuf)), { finally_arg.Erase(); });
#ifdef TC_WINDOWS
@@ -235,12 +236,12 @@ namespace VeraCrypt
password = ToUTF8Password (passwordBuf, len);
#else
wxString passwordStr (textCtrl->GetValue()); // A copy of the password is created here by wxWidgets, which cannot be erased
for (size_t i = 0; i < passwordStr.size() && i < VolumePassword::MaxSize; ++i)
for (size_t i = 0; i < passwordStr.size() && i < maxPasswordLength; ++i)
{
passwordBuf[i] = (wchar_t) passwordStr[i];
passwordStr[i] = L'X';
}
password = ToUTF8Password (passwordBuf, passwordStr.size() <= VolumePassword::MaxSize ? passwordStr.size() : VolumePassword::MaxSize);
password = ToUTF8Password (passwordBuf, passwordStr.size() <= maxPasswordLength ? passwordStr.size() : maxPasswordLength);
#endif
return password;
}