new makefile and modified build process

[avr-crypto-lib.git] / threefish1024_enc.c

diff --git a/threefish1024_enc.c b/threefish1024_enc.c
deleted file mode 100644 (file)
index 41a3590..0000000
--- a/threefish1024_enc.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/* threefish1024_enc.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    2009-03-12
- * \license GPLv3 or later
- * 
- * 
- * 
- */
-
-#include <stdint.h>
-#include <string.h>
-#include "threefish.h"
-
-#define X(a) (((uint64_t*)data)[(a)])
-
-static
-void permute_16(void* data){
-       uint64_t t;
-       t = X(1);
-       X(1) = X(9);
-       X(9) = X(7);
-       X(7) = X(15);
-       X(15) = t;
-       t = X(3);
-       X(3) = X(13);
-       X(13) = X(5);
-       X(5) = X(11);
-       X(11) = t;
-       t = X(4);
-       X(4) = X(6);
-       X(6) = t;
-       t = X(8);
-       X(8) = X(10);
-       X(10) = X(12);
-       X(12) = X(14);
-       X(14) = t;
-}
-
-#define THREEFISH_KEY_CONST 0x5555555555555555LL /* 2**64/3 */
-
-#define K(s) (((uint64_t*)key)[(s)])
-#define T(s) (((uint64_t*)tweak)[(s)])
-
-void threefish1024_init(const void* key, const void* tweak, threefish1024_ctx_t* ctx){
-       memcpy(ctx->k, key, 16*8);
-       if(tweak){
-               memcpy(ctx->t, tweak, 2*8);
-               ctx->t[2] = T(0) ^ T(1);
-       }else{
-               memset(ctx, 0, 3*8);
-       }
-       uint8_t i;
-       ctx->k[16] = THREEFISH_KEY_CONST;
-       for(i=0; i<16; ++i){
-               ctx->k[16] ^= K(i);
-       }
-}
-
-static
-void add_key_16(void* data, const threefish1024_ctx_t* ctx, uint8_t s){
-       uint8_t i;
-       for(i=0; i<13; ++i){
-               X(i) += ctx->k[(s+i)%17];
-       }
-       X(13) += ctx->k[(s+13)%17] + ctx->t[s%3];
-       X(14) += ctx->k[(s+14)%17] + ctx->t[(s+1)%3];
-       X(15) += ctx->k[(s+15)%17] + s;
-}
-
-void threefish1024_enc(void* data, const threefish1024_ctx_t* ctx){
-       uint8_t i=0,s=0;
-       uint8_t r0[8] = {55, 25, 33, 34, 28, 17, 58, 47};
-       uint8_t r1[8] = {43, 25,  8, 43,  7,  6,  7, 49};
-       uint8_t r2[8] = {37, 46, 18, 25, 47, 18, 32, 27};
-       uint8_t r3[8] = {40, 13, 57, 60, 48, 25, 45, 58};
-       uint8_t r4[8] = {16, 14, 21, 44, 51, 43, 19, 37};
-       uint8_t r5[8] = {22, 13, 12,  9,  9, 42, 18, 48};
-       uint8_t r6[8] = {38, 52, 32, 59, 35, 40,  2, 53};
-       uint8_t r7[8] = {12, 57, 54, 34, 41, 15, 56, 56};
-       
-       do{
-               if(i%4==0){
-                       add_key_16(data, ctx, s);
-                       ++s;
-               }
-               threefish_mix((uint8_t*)data +  0, r0[i%8]);
-               threefish_mix((uint8_t*)data + 16, r1[i%8]);
-               threefish_mix((uint8_t*)data + 32, r2[i%8]);
-               threefish_mix((uint8_t*)data + 48, r3[i%8]);
-               threefish_mix((uint8_t*)data + 64, r4[i%8]);
-               threefish_mix((uint8_t*)data + 80, r5[i%8]);
-               threefish_mix((uint8_t*)data + 96, r6[i%8]);
-               threefish_mix((uint8_t*)data +112, r7[i%8]);
-               permute_16(data);
-               ++i;
-       }while(i!=80);
-       add_key_16(data, ctx, s);
-}