From 05689fe183e6631da99e7c51a747691dbee0b184 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Tue, 4 Dec 2018 15:00:10 -0500
Subject: [PATCH] padding for short messages

---
 libi2pd/NTCP2.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libi2pd/NTCP2.cpp b/libi2pd/NTCP2.cpp
index d8cfb12a..e525baa6 100644
--- a/libi2pd/NTCP2.cpp
+++ b/libi2pd/NTCP2.cpp
@@ -1056,6 +1056,7 @@ namespace transport
 	{
 		if (len < 3) return 0; 
 		len -= 3;
+		if (msgLen < 256) msgLen = 256; // for short message padding should not be always zero
 		size_t paddingSize = (msgLen*NTCP2_MAX_PADDING_RATIO)/100;
 		if (msgLen + paddingSize + 3 > NTCP2_UNENCRYPTED_FRAME_MAX_SIZE) paddingSize = NTCP2_UNENCRYPTED_FRAME_MAX_SIZE - msgLen -3;
 		if (paddingSize > len) paddingSize = len;