From 0559d8ce2ee83f8a9971e5bc01f732ecb5369f73 Mon Sep 17 00:00:00 2001
From: Zou Yong <zouy02@gmail.com>
Date: Fri, 28 Apr 2017 19:33:09 +0800
Subject: [PATCH] Fix decryption failed issue by nonce overwrite

If the first packet is less than nonce length, then the chunk nonce data will be overwrote by next packet and result in decrypt failed
---
 src/stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/stream.c b/src/stream.c
index 5ea30dd4..5d999bb0 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -493,7 +493,7 @@ stream_decrypt(buffer_t *ciphertext, cipher_ctx_t *cipher_ctx, size_t capacity)
                               ciphertext->len);
 
         if (left_len > 0) {
-            memcpy(cipher_ctx->chunk->data, ciphertext->data, left_len);
+            memcpy(cipher_ctx->chunk->data + cipher_ctx->chunk->len, ciphertext->data, left_len);
             memmove(ciphertext->data, ciphertext->data + left_len,
                     ciphertext->len - left_len);
             cipher_ctx->chunk->len += left_len;