/* nessie_bc_test.c */
/*
This file is part of the Crypto-avr-lib/microcrypt-lib.
Copyright (C) 2008 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 .
*/
/**
*
* author: Daniel Otte
* email: daniel.otte@rub.de
* license: GPLv3
*
* a suit for running the nessie-tests for blockciphers
*
* */
#include
#include
#include "nessie_bc_test.h"
#include "nessie_common.h"
#include "uart.h"
nessie_bc_ctx_t nessie_bc_ctx;
void nessie_bc_init(void){
memset(&nessie_bc_ctx, 0, sizeof(nessie_bc_ctx_t));
}
static
void nessie_bc_free(void* ctx){
if(nessie_bc_ctx.cipher_free)
nessie_bc_ctx.cipher_free(ctx);
}
void nessie_bc_enc(uint8_t* key, uint8_t* pt){
uint8_t ctx[nessie_bc_ctx.ctx_size_B];
uint8_t buffer[nessie_bc_ctx.blocksize_B];
uint16_t i;
/* single test */
nessie_print_item("key", key, (nessie_bc_ctx.keysize_b+7)/8);
nessie_bc_ctx.cipher_genctx(key, nessie_bc_ctx.keysize_b, ctx);
memcpy(buffer, pt, nessie_bc_ctx.blocksize_B);
nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_enc(buffer, ctx);
nessie_print_item("cipher", buffer, nessie_bc_ctx.blocksize_B);
if(nessie_bc_ctx.cipher_dec){
nessie_bc_ctx.cipher_dec(buffer, ctx);
nessie_print_item("decrypted", buffer, nessie_bc_ctx.blocksize_B);
}
/* 100 times test */
memcpy(buffer, pt, nessie_bc_ctx.blocksize_B);
for(i=0; i<100; ++i){
nessie_bc_ctx.cipher_enc(buffer, ctx);
}
nessie_print_item("Iterated 100 times", buffer, nessie_bc_ctx.blocksize_B);
#ifndef NESSIE_NO1KTEST
/* 1000 times test, we use the 100 precedig steps to fasten things a bit */
for(; i<1000; ++i){
nessie_bc_ctx.cipher_enc(buffer, ctx);
}
nessie_print_item("Iterated 1000 times", buffer, nessie_bc_ctx.blocksize_B);
#endif
nessie_bc_free(ctx);
}
void nessie_bc_dec(uint8_t* key, uint8_t* ct){
uint8_t ctx[nessie_bc_ctx.ctx_size_B];
uint8_t buffer[nessie_bc_ctx.blocksize_B];
/* single test */
nessie_print_item("key", key, (nessie_bc_ctx.keysize_b+7)/8);
nessie_bc_ctx.cipher_genctx(key, nessie_bc_ctx.keysize_b, ctx);
memcpy(buffer, ct, nessie_bc_ctx.blocksize_B);
nessie_print_item("cipher", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_dec(buffer, ctx);
nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_enc(buffer, ctx);
nessie_print_item("encrypted", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_free(ctx);
}
void nessie_bc_run(void){
uint16_t i;
uint8_t set;
uint8_t key[(nessie_bc_ctx.keysize_b+7)/8];
uint8_t buffer[nessie_bc_ctx.blocksize_B];
nessie_print_header(nessie_bc_ctx.name, nessie_bc_ctx.keysize_b,
nessie_bc_ctx.blocksize_B*8, 0, 0, 0);
/* test set 1 */
set=1;
nessie_print_setheader(set);
for(i=0; i>(i%8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
nessie_bc_enc(key, buffer);
}
/* test set 2 */
set=2;
nessie_print_setheader(set);
for(i=0; i>(i%8);
nessie_bc_enc(key, buffer);
}
/* test set 3 */
set=3;
nessie_print_setheader(set);
for(i=0; i<256; ++i){
nessie_print_set_vector(set, i);
memset(key, i, (nessie_bc_ctx.keysize_b+7)/8);
memset(buffer, i, nessie_bc_ctx.blocksize_B);
nessie_bc_enc(key, buffer);
}
/* test set 4 */
set=4;
nessie_print_setheader(set);
/* 4 - 0*/
nessie_print_set_vector(set, 0);
for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
key[i]=i;
}
for(i=0; i>(i%8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
nessie_bc_dec(key, buffer);
}
/* test set 6 */
set=6;
nessie_print_setheader(set);
for(i=0; i>(i%8);
nessie_bc_dec(key, buffer);
}
/* test set 7 */
set=7;
nessie_print_setheader(set);
for(i=0; i<256; ++i){
nessie_print_set_vector(set, i);
memset(key, i, (nessie_bc_ctx.keysize_b+7)/8);
memset(buffer, i, nessie_bc_ctx.blocksize_B);
nessie_bc_dec(key, buffer);
}
/* test set 8 */
set=8;
nessie_print_setheader(set);
/* 8 - 0*/
nessie_print_set_vector(set, 0);
for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
key[i]=i;
}
for(i=0; i