Pad outgoing encrypted messages

2019-01-28 13:30:46 -08:00
parent a10a1dfacb
commit 2fc6361833
1 changed files with 4 additions and 0 deletions
--- a/src/websockets.cpp
+++ b/src/websockets.cpp
@@ -161,6 +161,10 @@ void AppDataServer::saveNonceHex(NonceType nt, QString noncehex) {
 }

 QString AppDataServer::encryptOutgoing(QString msg) {
+    if (msg.length() % 256 > 0) {
+        msg = msg + QString(" ").repeated(256 - (msg.length() % 256));
+    }
+
    QString localNonceHex = getNonceHex(NonceType::LOCAL);

    unsigned char* noncebin = new unsigned char[crypto_secretbox_NONCEBYTES];