From 2a824402f3638ffbee72f0f27ab31e2e7c0fcee3 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Fri, 8 Jul 2005 16:48:34 +0000
Subject: [PATCH] DES CFB bug-fix from HEAD.

---
 crypto/des/cfb_enc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/des/cfb_enc.c b/crypto/des/cfb_enc.c
index 6738e7c0e5..720f29a28e 100644
--- a/crypto/des/cfb_enc.c
+++ b/crypto/des/cfb_enc.c
@@ -125,7 +125,7 @@ void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
 				sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1;
 #endif
 				if (rem==0)
-					memcpy(ovec,ovec+num,8);
+					memmove(ovec,ovec+num,8);
 				else
 					for(i=0 ; i < 8 ; ++i)
 						ovec[i]=ovec[i+num]<<rem |
@@ -168,7 +168,7 @@ void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
 				sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1;
 #endif
 				if (rem==0)
-					memcpy (ovec,ovec+num,8);
+					memmove(ovec,ovec+num,8);
 				else
 					for(i=0 ; i < 8 ; ++i)
 						ovec[i]=ovec[i+num]<<rem |
-- 
2.40.0