-/* bmw_small.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/>.
-*/
-/*
- * \file bmw_small.c
- * \author Daniel Otte
- * \email daniel.otte@rub.de
- * \date 2009-04-27
- * \license GPLv3 or later
- *
- */
-
-#include <stdint.h>
-#include <string.h>
-#include <avr/pgmspace.h>
-#include "bmw_small.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_P(PSTR("\r\n==== ctx dump ===="));
- for(i=0; i<16;++i){
- cli_putstr_P(PSTR("\r\n h["));
- cli_hexdump(&i, 1);
- cli_putstr_P(PSTR("] = "));
- cli_hexdump_rev(&(ctx->h[i]), 4);
- }
- cli_putstr_P(PSTR("\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_P(PSTR("\r\n==== "));
- cli_putc(x);
- cli_putstr_P(PSTR(" dump ===="));
- for(i=0; i<elements;++i){
- cli_putstr_P(PSTR("\r\n "));
- cli_putc(x);
- cli_putstr_P(PSTR("["));
- cli_hexdump(&i, 1);
- cli_putstr_P(PSTR("] = "));
- cli_hexdump_rev(&(q[i]), 4);
- }
- }
-#else
- #define ctx_dump(x)
- #define dump_x(a,b,c)
-#endif
-
-
-void bmw224(void* dest, const void* msg, uint32_t length_b){
- bmw_small_ctx_t ctx;
- bmw224_init(&ctx);
- while(length_b>=BMW_SMALL_BLOCKSIZE){
- bmw_small_nextBlock(&ctx, msg);
- length_b -= BMW_SMALL_BLOCKSIZE;
- msg = (uint8_t*)msg + BMW_SMALL_BLOCKSIZE_B;
- }
- bmw_small_lastBlock(&ctx, msg, length_b);
- bmw224_ctx2hash(dest, &ctx);
-}
-
-void bmw256(void* dest, const void* msg, uint32_t length_b){
- bmw_small_ctx_t ctx;
- bmw256_init(&ctx);
- while(length_b>=BMW_SMALL_BLOCKSIZE){
- bmw_small_nextBlock(&ctx, msg);
- length_b -= BMW_SMALL_BLOCKSIZE;
- msg = (uint8_t*)msg + BMW_SMALL_BLOCKSIZE_B;
- }
- bmw_small_lastBlock(&ctx, msg, length_b);
- bmw256_ctx2hash(dest, &ctx);
-}
-
-