updated build system

[arm-crypto-lib.git] / bcal-cfb_bit.c

diff --git a/bcal-cfb_bit.c b/bcal-cfb_bit.c
deleted file mode 100644 (file)
index 6ddb57f..0000000
--- a/bcal-cfb_bit.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* bcal-cfb_bit.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>
-#include <string.h>
-#include "bcal-cfb_bit.h"
-#include "bcal-basic.h"
-
-static uint8_t read_bit(void* block, uint32_t index){
-       uint8_t r;
-       r=((uint8_t*)block)[index/8];
-       r=(r&(0x80>>(index&7)))?0xff:0x00;
-       return r;
-}
-
-static void write_bit(void* block, uint32_t index, uint8_t value){
-       if(value){
-               /* set bit */
-               ((uint8_t*)block)[index/8] |= 0x80>>(index&7);
-       }else{
-               /* clear bit */
-               ((uint8_t*)block)[index/8] &= ~(0x80>>(index&7));
-       }
-}
-
-uint8_t bcal_cfb_b_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, uint16_t size_b, bcal_cfb_b_ctx_t* ctx){
-       ctx->desc = (bcdesc_t*)desc;
-       ctx->blocksize_B = (bcal_cipher_getBlocksize_b(desc)+7)/8;
-       ctx->in_block=malloc(ctx->blocksize_B);
-       if(ctx->in_block==NULL){
-               return 0x11;
-       }
-       if(size_b>bcal_cipher_getBlocksize_b(desc)){
-               return 0x12;
-       }
-       ctx->size_b = size_b;
-       return bcal_cipher_init(desc, key, keysize_b, &(ctx->cctx));
-}
-
-void bcal_cfb_b_free(bcal_cfb_b_ctx_t* ctx){
-       free(ctx->in_block);
-       bcal_cipher_free(&(ctx->cctx));
-}
-
-void bcal_cfb_b_loadIV(const void* iv, bcal_cfb_b_ctx_t* ctx){
-       if(iv){
-               memcpy(ctx->in_block, iv, ctx->blocksize_B);
-       }
-}
-
-void bcal_cfb_b_encNext(void* block, uint8_t offset, bcal_cfb_b_ctx_t* ctx){
-       uint8_t tmp[ctx->blocksize_B];
-       offset &= 7;
-       memcpy(tmp, ctx->in_block, ctx->blocksize_B);
-       bcal_cipher_enc(tmp, &(ctx->cctx));
-       uint16_t i,j;
-       uint8_t a;
-       for(i=0; i<ctx->blocksize_B*8-ctx->size_b; ++i){
-               a = read_bit(ctx->in_block, i+ctx->size_b);
-               write_bit(ctx->in_block, i, a);
-       }
-       for(j=offset,i=0; i<ctx->size_b; ++i, ++j){
-               a = read_bit(tmp, i) ^ read_bit(block, j);
-               write_bit(ctx->in_block, ctx->blocksize_B*8-ctx->size_b+i, a);
-               write_bit(block, j, a);
-       }
-}
-
-void bcal_cfb_b_decNext(void* block, uint8_t offset, bcal_cfb_b_ctx_t* ctx){
-       uint8_t tmp[ctx->blocksize_B];
-       offset &= 7;
-       memcpy(tmp, ctx->in_block, ctx->blocksize_B);
-       bcal_cipher_enc(tmp, &(ctx->cctx));
-       uint16_t i,j;
-       uint8_t a,b;
-       for(i=0; i<ctx->blocksize_B*8-ctx->size_b; ++i){
-               a = read_bit(ctx->in_block, i+ctx->size_b);
-               write_bit(ctx->in_block, i, a);
-       }
-       for(j=offset,i=0; i<ctx->size_b; ++i, ++j){
-               a = read_bit(tmp, i);
-               b = read_bit(block, j);
-               a ^= b;
-               write_bit(ctx->in_block, ctx->blocksize_B*8-ctx->size_b+i, b);
-               write_bit(block, j, a);
-       }
-}
-
-void bcal_cfb_b_encMsg(const void* iv, void* msg, uint8_t offset, uint32_t msg_blocks, bcal_cfb_b_ctx_t* ctx){
-       bcal_cfb_b_loadIV(iv, ctx);
-       uint64_t addr;
-       addr = ((uint32_t)msg)*8+offset;
-       while(msg_blocks--){
-               msg = (void*)((uint32_t)(addr/8));
-               offset = addr&7;
-               bcal_cfb_b_encNext(msg, offset, ctx);
-               addr += ctx->size_b;
-       }
-}
-
-void bcal_cfb_b_decMsg(const void* iv, void* msg, uint8_t offset, uint32_t msg_blocks, bcal_cfb_b_ctx_t* ctx){
-       bcal_cfb_b_loadIV(iv, ctx);
-       uint64_t addr;
-       addr = ((uint32_t)msg)*8+offset;
-       while(msg_blocks--){
-               msg = (void*)((uint32_t)(addr/8));
-               offset = addr&7;
-               bcal_cfb_b_decNext(msg, offset, ctx);
-               addr += ctx->size_b;
-       }
-}