void CYubiMixin::yubiRequestHMACSha1(const CSecString &challenge)
{
if (m_pending) {
// no-op if a request's already in the air
} else {
CSingleLock singeLock(&m_mutex);
singeLock.Lock();
// open key
// if zero or >1 key, we'll fail
if (m_yk.openKey() != YKLIB_OK) {
return;
}
// Prepare the HMAC-SHA1 challenge here
BYTE chalBuf[SHA1_MAX_BLOCK_SIZE];
BYTE chalLength = BYTE(challenge.GetLength()*sizeof(TCHAR));
memset(chalBuf, 0, SHA1_MAX_BLOCK_SIZE);
if (chalLength > SHA1_MAX_BLOCK_SIZE)
chalLength = SHA1_MAX_BLOCK_SIZE;
memcpy(chalBuf, challenge, chalLength);
// Initiate HMAC-SHA1 operation now
if (m_yk.writeChallengeBegin(YKLIB_SECOND_SLOT, YKLIB_CHAL_HMAC,
chalBuf, chalLength) == YKLIB_OK) {
m_pending = true;
yubiShowChallengeSent(); // request's in the air, setup GUI to wait for reply
} else {
TRACE(_T("m_yk.writeChallengeBegin() failed"));
}
trashMemory(chalBuf, chalLength);
}
}
LRESULT CPasskeyEntry::OnInsertBuffer(WPARAM, LPARAM)
{
// Update the variables
UpdateData(TRUE);
// Get the buffer
CSecString vkbuffer = m_pVKeyBoardDlg->GetPassphrase();
// Find the selected characters - if any
int nStartChar, nEndChar;
m_pctlPasskey->GetSel(nStartChar, nEndChar);
// If any characters selected - delete them
if (nStartChar != nEndChar)
m_passkey.Delete(nStartChar, nEndChar - nStartChar);
// Insert the buffer
m_passkey.Insert(nStartChar, vkbuffer);
// Update the dialog
UpdateData(FALSE);
// Put cursor at end of inserted text
m_pctlPasskey->SetSel(nStartChar + vkbuffer.GetLength(),
nStartChar + vkbuffer.GetLength());
return 0L;
}
void CSecEditExtn::SetSecureText(const CSecString &str)
{
m_pImpl->m_field.Set(str, m_pImpl->m_bf);
if (::IsWindow(m_hWnd)) {
if (!m_secure) {
SetWindowText(str);
} else {
CString blanks;
for (int i = 0; i < str.GetLength(); i++)
blanks += FILLER;
SetWindowText(blanks);
}
}
}
LRESULT CPasskeySetup::OnInsertBuffer(WPARAM, LPARAM)
{
// Update the variables
UpdateData(TRUE);
// Get the buffer
CSecString vkbuffer = m_pVKeyBoardDlg->GetPassphrase();
CSecEditExtn *m_pSecCtl(NULL);
CSecString *m_pSecString;
switch (m_LastFocus) {
case IDC_PASSKEY:
m_pSecCtl = m_pctlPasskey;
m_pSecString = &m_passkey;
break;
case IDC_VERIFY:
m_pSecCtl = m_pctlVerify;
m_pSecString = &m_verify;
break;
default:
// Error!
ASSERT(0);
return 0L;
}
// Find the selected characters - if any
int nStartChar, nEndChar;
m_pSecCtl->GetSel(nStartChar, nEndChar);
// If any characters selected - delete them
if (nStartChar != nEndChar)
m_pSecString->Delete(nStartChar, nEndChar - nStartChar);
// Insert the buffer
m_pSecString->Insert(nStartChar, vkbuffer);
// Update the dialog
UpdateData(FALSE);
// Put cursor at end of inserted text
m_pSecCtl->SetSel(nStartChar + vkbuffer.GetLength(),
nStartChar + vkbuffer.GetLength());
// Make us on top
SetWindowPos(&wndTop, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE);
return 0L;
}
