/* bmw_small.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 .
*/
/*
* \file bmw_small.c
* \author Daniel Otte
* \email daniel.otte@rub.de
* \date 2009-04-27
* \license GPLv3 or later
*
*/
#include
#include
#include "bmw_small.h"
#include "memxor.h"
#define SHL32(a,n) ((a)<<(n))
#define SHR32(a,n) ((a)>>(n))
#define ROTL32(a,n) (((a)<<(n))|((a)>>(32-(n))))
#define ROTR32(a,n) (((a)>>(n))|((a)<<(32-(n))))
#define DEBUG 0
#if DEBUG
#include "cli.h"
void ctx_dump(const bmw_small_ctx_t* ctx){
uint8_t i;
cli_putstr("\r\n==== ctx dump ====");
for(i=0; i<16;++i){
cli_putstr("\r\n h[");
cli_hexdump(&i, 1);
cli_putstr("] = ");
cli_hexdump_rev(&(ctx->h[i]), 4);
}
cli_putstr("\r\n counter = ");
cli_hexdump(&(ctx->counter), 4);
}
void dump_x(const uint32_t* q, uint8_t elements, char x){
uint8_t i;
cli_putstr("\r\n==== ");
cli_putc(x);
cli_putstr(" dump ====");
for(i=0; i