private void keyCreateForm_onConfirmClick(object sender, EventArgs e)
{
if (!_createKeyForm_usePw.Checked)
{
return;
}
if (!_createKeyForm_pwInputGroup.ValidateData(false))
{
return;
}
// password should be used, passwords are equal and
// yubikey is connected at this point in the code
string challenge = Encoding.UTF8.GetString(_createKeyForm_pwInputGroup.GetPasswordUtf8());
string response;
if (yubiChallengeResponse(challenge, out response))
{
// workaround for harmless bug
_backupUIFlags = KeePass.Program.Config.UI.UIFlags;
Program.Config.UI.UIFlags &= ~(ulong)KeePass.App.Configuration.AceUIFlags.HidePwQuality;
_restoreUIFlags = true;
string password = deriveMasterPassword(challenge, response);
_createKeyForm_pwInputGroup.SetPassword(Encoding.UTF8.GetBytes(password), true);
new YubiPluginForm(password).ShowDialog();
}
}
private void bChangePassword_Click(object sender, EventArgs e)
{
if (!m_icgNewPassword.ValidateData(true))
{
DialogResult = DialogResult.None;
return;
}
if (m_Profile == Program.Config.PasswordGenerator.AutoGeneratedPasswordsProfile)
{
m_pcadata.Strings.Set(Config.ProfileLastUsedProfile, new ProtectedString(false, Config.ProfileAutoGenerated));
}
else if ((m_Profile != null) && !string.IsNullOrEmpty(m_Profile.Name))
{
m_pcadata.Strings.Set(Config.ProfileLastUsedProfile, new ProtectedString(false, m_Profile.Name));
}
else if (m_Profile == null)
{
m_pcadata.Strings.Remove(Config.ProfileLastUsedProfile);
}
}
private bool CreateCompositeKey()
{
m_pKey = new CompositeKey();
if (m_cbPassword.Checked) // Use a password
{
if (!m_icgPassword.ValidateData(true))
{
return(false);
}
uint uPwLen = m_icgPassword.PasswordLength;
if (uPwLen == 0)
{
if (!MessageService.AskYesNo(KPRes.EmptyMasterPw +
MessageService.NewParagraph + KPRes.EmptyMasterPwHint +
MessageService.NewParagraph + KPRes.EmptyMasterPwQuestion,
null, false))
{
return(false);
}
}
uint uMinLen = Program.Config.Security.MasterPassword.MinimumLength;
if (uPwLen < uMinLen)
{
string strML = KPRes.MasterPasswordMinLengthFailed;
strML = strML.Replace(@"{PARAM}", uMinLen.ToString());
MessageService.ShowWarning(strML);
return(false);
}
byte[] pb = m_icgPassword.GetPasswordUtf8();
uint uMinQual = Program.Config.Security.MasterPassword.MinimumQuality;
if (QualityEstimation.EstimatePasswordBits(pb) < uMinQual)
{
string strMQ = KPRes.MasterPasswordMinQualityFailed;
strMQ = strMQ.Replace(@"{PARAM}", uMinQual.ToString());
MessageService.ShowWarning(strMQ);
MemUtil.ZeroByteArray(pb);
return(false);
}
string strValRes = Program.KeyValidatorPool.Validate(pb,
KeyValidationType.MasterPassword);
if (strValRes != null)
{
MessageService.ShowWarning(strValRes);
MemUtil.ZeroByteArray(pb);
return(false);
}
m_pKey.AddUserKey(new KcpPassword(pb));
MemUtil.ZeroByteArray(pb);
}
string strKeyFile = m_cmbKeyFile.Text;
bool bIsKeyProv = Program.KeyProviderPool.IsKeyProvider(strKeyFile);
if (m_cbKeyFile.Checked && (!strKeyFile.Equals(KPRes.NoKeyFileSpecifiedMeta)) &&
!bIsKeyProv)
{
try { m_pKey.AddUserKey(new KcpKeyFile(strKeyFile, true)); }
catch (InvalidDataException exID) // Selected database file
{
MessageService.ShowWarning(strKeyFile, exID);
return(false);
}
catch (Exception exKF)
{
MessageService.ShowWarning(strKeyFile, KPRes.KeyFileError, exKF);
return(false);
}
}
else if (m_cbKeyFile.Checked && (!strKeyFile.Equals(KPRes.NoKeyFileSpecifiedMeta)) &&
bIsKeyProv)
{
KeyProviderQueryContext ctxKP = new KeyProviderQueryContext(
m_ioInfo, true, false);
bool bPerformHash;
byte[] pbCustomKey = Program.KeyProviderPool.GetKey(strKeyFile, ctxKP,
out bPerformHash);
if ((pbCustomKey != null) && (pbCustomKey.Length > 0))
{
try { m_pKey.AddUserKey(new KcpCustomKey(strKeyFile, pbCustomKey, bPerformHash)); }
catch (Exception exCKP)
{
MessageService.ShowWarning(exCKP);
return(false);
}
MemUtil.ZeroByteArray(pbCustomKey);
}
else
{
return(false); // Provider has shown error message
}
}
if (m_cbUserAccount.Checked)
{
try { m_pKey.AddUserKey(new KcpUserAccount()); }
catch (Exception exUA)
{
MessageService.ShowWarning(exUA);
return(false);
}
}
return(true);
}
internal static CompositeKey KeyFromUI(CheckBox cbPassword,
PwInputControlGroup icgPassword, SecureTextBoxEx stbPassword,
CheckBox cbKeyFile, ComboBox cmbKeyFile, CheckBox cbUserAccount,
IOConnectionInfo ioc, bool bSecureDesktop)
{
if (cbPassword == null)
{
Debug.Assert(false); return(null);
}
if (stbPassword == null)
{
Debug.Assert(false); return(null);
}
if (cbKeyFile == null)
{
Debug.Assert(false); return(null);
}
if (cmbKeyFile == null)
{
Debug.Assert(false); return(null);
}
if (cbUserAccount == null)
{
Debug.Assert(false); return(null);
}
bool bNewKey = (icgPassword != null);
byte[] pbPasswordUtf8 = null;
try
{
if (cbPassword.Checked)
{
pbPasswordUtf8 = stbPassword.TextEx.ReadUtf8();
if (bNewKey)
{
if (!icgPassword.ValidateData(true))
{
return(null);
}
string strError = ValidateNewMasterPassword(pbPasswordUtf8,
(uint)stbPassword.TextLength);
if (strError != null)
{
if (strError.Length != 0)
{
MessageService.ShowWarning(strError);
}
return(null);
}
}
}
string strKeyFile = null;
if (cbKeyFile.Checked)
{
strKeyFile = cmbKeyFile.Text;
}
return(CreateKey(pbPasswordUtf8, strKeyFile, cbUserAccount.Checked,
ioc, bNewKey, bSecureDesktop));
}
catch (Exception ex) { MessageService.ShowWarning(ex); }
finally
{
if (pbPasswordUtf8 != null)
{
MemUtil.ZeroByteArray(pbPasswordUtf8);
}
}
return(null);
}
