new makefile and modified build process

[avr-crypto-lib.git] / threefish512_dec.c

diff --git a/threefish512_dec.c b/threefish512_dec.c
deleted file mode 100644 (file)
index c535d33..0000000
--- a/threefish512_dec.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* threefish512_dec.c */
-/*
-    This file is part of the AVR-Crypto-Lib.
-    Copyright (C) 2009  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/>.
-*/
-/*
- * \author  Daniel Otte
- * \email   daniel.otte@rub.de
- * \date    2009-03-22
- * \license GPLv3 or later
- * 
- * 
- * 
- */
-
-#include <stdint.h>
-#include <string.h>
-#include "threefish.h"
-
-
-#define X(a) (((uint64_t*)data)[(a)])
-
-
-static
-void permute_inv8(void* data){
-       uint64_t t;
-       t = X(6);
-       X(6) = X(4);
-       X(4) = X(2);
-       X(2) = X(0);
-       X(0) = t;
-       t = X(7);
-       X(7) = X(3);
-       X(3) = t;
-}
-
-static
-void add_key_8(void* data, const threefish512_ctx_t* ctx, uint8_t s){
-       uint8_t i;
-       for(i=0; i<5; ++i){
-               X(i) -= ctx->k[(s+i)%9];
-       }
-       X(5) -= ctx->k[(s+5)%9] + ctx->t[s%3];
-       X(6) -= ctx->k[(s+6)%9] + ctx->t[(s+1)%3];
-       X(7) -= ctx->k[(s+7)%9] + s;
-}
-
-void threefish512_dec(void* data, const threefish512_ctx_t* ctx){
-       uint8_t i=0,s=18;
-       uint8_t r0[8] = {33, 29, 39, 33, 26, 34, 48, 38}; 
-       uint8_t r1[8] = {51, 26, 27, 49, 12, 14, 20, 30};
-       uint8_t r2[8] = {39, 11, 41,  8, 58, 15, 43, 50};
-       uint8_t r3[8] = {35,  9, 14, 42,  7, 27, 31, 53};
-       do{
-               if(i%4==0){
-                       add_key_8(data, ctx, s);
-                       --s;
-               }
-               permute_inv8(data);
-               threefish_invmix((uint8_t*)data +  0, r0[i%8]);
-               threefish_invmix((uint8_t*)data + 16, r1[i%8]);
-               threefish_invmix((uint8_t*)data + 32, r2[i%8]);
-               threefish_invmix((uint8_t*)data + 48, r3[i%8]);
-               ++i;
-       }while(i!=72);
-       add_key_8(data, ctx, s);
-}
-