From f6ca7c19afdcc1aa75fcc845a19a40cbf6ad2dae Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Mon, 12 Dec 2022 14:18:36 -0500
Subject: [PATCH] allow zero length padding

---
 libi2pd/SSU2Session.cpp | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/libi2pd/SSU2Session.cpp b/libi2pd/SSU2Session.cpp
index ac184506..dd44ee22 100644
--- a/libi2pd/SSU2Session.cpp
+++ b/libi2pd/SSU2Session.cpp
@@ -2477,14 +2477,9 @@ namespace transport
 		size_t paddingSize = rand () & 0x0F; // 0 - 15
 		if (paddingSize + 3 > len) paddingSize = len - 3;
 		else if (paddingSize + 3 < minSize) paddingSize = minSize - 3;
-		if (paddingSize)
-		{
-			buf[0] = eSSU2BlkPadding;
-			htobe16buf (buf + 1, paddingSize);
-			memset (buf + 3, 0, paddingSize);
-		}
-		else
-			return 0;
+		buf[0] = eSSU2BlkPadding;
+		htobe16buf (buf + 1, paddingSize);
+		memset (buf + 3, 0, paddingSize);
 		return paddingSize + 3;
 	}