new makefile and modified build process

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

diff --git a/aes_keyschedule.c b/aes_keyschedule.c
deleted file mode 100644 (file)
index 9e58eb5..0000000
--- a/aes_keyschedule.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* aes_keyschedule.c */
-/*
-    This file is part of the AVR-Crypto-Lib.
-    Copyright (C) 2008, 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/>.
-*/
-/**
- * \file     aes_keyschedule.c
- * \email    daniel.otte@rub.de
- * \author   Daniel Otte 
- * \date     2008-12-30
- * \license  GPLv3 or later
- * 
- */
-
-#include <stdint.h>
-#include "aes.h"
-#include "aes_keyschedule.h"
-#include "aes_sbox.h"
-#include <string.h>
-#include <avr/pgmspace.h>
-
-static
-void aes_rotword(void* a){
-       uint8_t t;
-       t=((uint8_t*)a)[0];
-       ((uint8_t*)a)[0] = ((uint8_t*)a)[1];
-       ((uint8_t*)a)[1] = ((uint8_t*)a)[2];
-       ((uint8_t*)a)[2] = ((uint8_t*)a)[3];
-       ((uint8_t*)a)[3] = t;
-}
-
-uint8_t rc_tab[] PROGMEM = { 0x01, 0x02, 0x04, 0x08,
-                             0x10, 0x20, 0x40, 0x80,
-                             0x1b, 0x36 };
-
-void aes_init(const void* key, uint16_t keysize_b, aes_genctx_t* ctx){
-       uint8_t hi,i,nk, next_nk;
-       uint8_t rc=0;
-       uint8_t tmp[4];
-       nk=keysize_b>>5; /* 4, 6, 8 */
-       hi=4*(nk+6+1);
-       memcpy(ctx, key, keysize_b/8);
-       next_nk = nk;
-       for(i=nk;i<hi;++i){
-               *((uint32_t*)tmp) = ((uint32_t*)(ctx->key[0].ks))[i-1];
-               if(i!=next_nk){
-                       if(nk==8 && i%8==4){
-                               tmp[0] = pgm_read_byte(aes_sbox+tmp[0]);
-                               tmp[1] = pgm_read_byte(aes_sbox+tmp[1]);
-                               tmp[2] = pgm_read_byte(aes_sbox+tmp[2]);
-                               tmp[3] = pgm_read_byte(aes_sbox+tmp[3]);
-                       }
-               } else {
-                       next_nk += nk;
-                       aes_rotword(tmp);
-                       tmp[0] = pgm_read_byte(aes_sbox+tmp[0]);
-                       tmp[1] = pgm_read_byte(aes_sbox+tmp[1]);
-                       tmp[2] = pgm_read_byte(aes_sbox+tmp[2]);
-                       tmp[3] = pgm_read_byte(aes_sbox+tmp[3]);
-                       tmp[0] ^= pgm_read_byte(rc_tab+rc);
-                       rc++;
-               }
-               ((uint32_t*)(ctx->key[0].ks))[i] = ((uint32_t*)(ctx->key[0].ks))[i-nk]
-                                                  ^ *((uint32_t*)tmp);
-       }
-}
-
-void aes128_init(const void* key, aes128_ctx_t* ctx){
-       aes_init(key, 128, (aes_genctx_t*)ctx);
-}
-
-void aes192_init(const void* key, aes192_ctx_t* ctx){
-       aes_init(key, 192, (aes_genctx_t*)ctx);
-}
-
-void aes256_init(const void* key, aes256_ctx_t* ctx){
-       aes_init(key, 256, (aes_genctx_t*)ctx);
-}