updated build system

[arm-crypto-lib.git] / echo / gf256mul.c

diff --git a/echo/gf256mul.c b/echo/gf256mul.c
deleted file mode 100644 (file)
index a473646..0000000
--- a/echo/gf256mul.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* gf256mul.c */
-/*
-    This file is part of the ARM-Crypto-Lib.
-    Copyright (C) 2006-2010  Daniel Otte (daniel.otte@rub.de)
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-
-uint8_t gf256mul(uint8_t a, uint8_t b, uint8_t reducer){
-       uint8_t r=0;
-       while(a&0xFE){
-               if(a&1){
-                       r ^= b;
-               }
-               a >>= 1;
-               if(b&0x80){
-                       b <<= 1;
-                       b ^= reducer;
-               }else{
-                       b <<= 1;
-               }
-       }
-       if(a&1){
-               r ^= b;
-       }
-       return r;
-}