DragonX/SilentDragonXLite
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Use odd nonces

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This commit is contained in:
Aditya Kulkarni
2019-01-29 14:10:14 -08:00
parent 0396fd3444
commit 4c6d1f6044
1 changed files with 5 additions and 10 deletions
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15
src/websockets.cpp
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@@ -43,10 +43,9 @@ void WSServer::processTextMessage(QString message)
QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
if (m_debug)
qDebug() << "Message received:" << message;
if (pClient) {
AppDataServer::processMessage(message, m_mainWindow, pClient);
// pClient->sendTextMessage(AppDataServer::encryptOutgoing(json.toJson()));
}
}
@@ -129,11 +128,6 @@ void AppDataServer::connectAppDialog(QWidget* parent) {
con.lblRemoteNonce->setText(AppDataServer::getNonceHex(NonceType::REMOTE));
con.lblLocalNonce->setText(AppDataServer::getNonceHex(NonceType::LOCAL));
QObject::connect(con.btnDisconnect, &QPushButton::clicked, [=]() {
AppDataServer::saveNonceHex(NonceType::REMOTE, QString("00").repeated(24));
AppDataServer::saveNonceHex(NonceType::LOCAL, QString("00").repeated(24));
});
d.exec();
tempSecret = "";
}
@@ -142,7 +136,9 @@ QString AppDataServer::getNonceHex(NonceType nt) {
QSettings s;
QString hex;
if (nt == NonceType::LOCAL) {
hex = s.value("mobileapp/localnonce", QString("00").repeated(crypto_secretbox_NONCEBYTES)).toString();
// The default local nonce starts from 1, to always keep it odd
auto defaultLocalNonce = "01" + QString("00").repeated(crypto_secretbox_NONCEBYTES-1);
hex = s.value("mobileapp/localnonce", defaultLocalNonce).toString();
}
else {
hex = s.value("mobileapp/remotenonce", QString("00").repeated(crypto_secretbox_NONCEBYTES)).toString();
@@ -311,10 +307,9 @@ void AppDataServer::processMessage(QString message, MainWindow* mainWindow, QWeb
return;
}
else {
// This is a new connection. So, update the nonces and the secret
// This is a new connection. So, update the remote nonce (to accept any nonce) and the secret
saveNewSecret(tempSecret);
AppDataServer::saveNonceHex(NonceType::REMOTE, QString("00").repeated(24));
AppDataServer::saveNonceHex(NonceType::LOCAL, QString("00").repeated(24));
// Fall through to processDecryptedMessage
}