From caec8f98e2f67ea81e3e4c9e36fabc4aa35562dc Mon Sep 17 00:00:00 2001
From: Berendea Nicolae <berendeanicolae@users.noreply.github.com>
Date: Mon, 13 Jun 2016 22:27:30 +0300
Subject: [PATCH] use memmove for overlapping buffers

---
 modes.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modes.cpp b/modes.cpp
index acc8fd6e..df3d4d86 100644
--- a/modes.cpp
+++ b/modes.cpp
@@ -210,7 +210,7 @@ void CBC_CTS_Encryption::ProcessLastBlock(byte *outString, const byte *inString,
 		if (inString == outString)
 		{
 			length -= BlockSize();
-			memcpy(outString, inString+BlockSize(), length);
+			memmove(outString, inString+BlockSize(), length);
 			memcpy(outString+BlockSize(), m_register, length);
 		}
 		else
@@ -278,7 +278,7 @@ void CBC_CTS_Decryption::ProcessLastBlock(byte *outString, const byte *inString,
 	{
 		if (inString == outString)
 		{
-			memcpy(outString, inString+BlockSize(), length);
+			memmove(outString, inString+BlockSize(), length);
 			memcpy(outString+BlockSize(), m_temp, length);
 			// decrypt next to last plaintext block
 			memcpy(m_temp, pn1, length);