From cc7430ae66886cd87d56d4adca0e15483b216089 Mon Sep 17 00:00:00 2001
From: Logan007 <you@example.com>
Date: Wed, 2 Sep 2020 02:33:05 +0545
Subject: [PATCH] increased built-in cc20's speed

---
 src/cc20.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cc20.c b/src/cc20.c
index e38640f..61dd7b4 100644
--- a/src/cc20.c
+++ b/src/cc20.c
@@ -221,11 +221,11 @@ int cc20_crypt (unsigned char *out, const unsigned char *in, size_t in_len,
     in_len -= 64;
   }
 
-  tmp_len = tmp_len - in_len;
   if(in_len > 0) {
 
     chacha20_block_next(ctx);
 
+    tmp_len -= in_len;
     while(in_len > 0) {
       out[tmp_len] = in[tmp_len] ^ keystream8[tmp_len%64];
       tmp_len++;