+/* 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 <http://www.gnu.org/licenses/>.
+*/
/**
*
* author: Daniel Otte
#include <stdint.h>
#include <string.h>
#include "nessie_bc_test.h"
+#include "nessie_common.h"
#include "uart.h"
-
-
nessie_bc_ctx_t nessie_bc_ctx;
-static void printblock(uint8_t* block, uint16_t blocksize_bit){
- char tab [] = {'0', '1', '2', '3',
- '4', '5', '6', '7',
- '8', '9', 'A', 'B',
- 'C', 'D', 'E', 'F'};
- uint16_t i;
- for(i=0; i<(blocksize_bit+7)/8; ++i){
- uart_putc(tab[(block[i])>>4]);
- uart_putc(tab[(block[i])&0xf]);
- }
+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);
}
-
-#define SPACES 31
-#define BYTESPERLINE 16
-
-static void printitem(char* name, uint8_t* buffer, uint16_t size_B){
- uint8_t name_len;
- uint8_t i;
- name_len=strlen(name);
- if(name_len>SPACES-1){
- uart_putstr_P(PSTR("\r\n!!! formatting error !!!\r\n"));
- return;
- }
- uart_putstr_P(PSTR("\r\n"));
- for(i=0; i<SPACES-name_len-1; ++i){
- uart_putc(' ');
- }
- uart_putstr(name);
- uart_putc('=');
- /* now the data printing begins */
- if(size_B<=BYTESPERLINE){
- /* one line seems sufficient */
- printblock(buffer, size_B*8);
- } else {
- /* we need more lines */
- printblock(buffer, BYTESPERLINE*8); /* first line */
- int16_t toprint = size_B - BYTESPERLINE;
- buffer += BYTESPERLINE;
- while(toprint > 0){
- uart_putstr_P(PSTR("\r\n"));
- for(i=0; i<SPACES; ++i){
- uart_putc(' ');
- }
- printblock(buffer, ((toprint>BYTESPERLINE)?BYTESPERLINE:toprint)*8);
- buffer += BYTESPERLINE;
- toprint -= BYTESPERLINE;
- }
- }
-}
void nessie_bc_enc(uint8_t* key, uint8_t* pt){
uint8_t ctx[nessie_bc_ctx.ctx_size_B];
uint16_t i;
/* single test */
- printitem("key", key, (nessie_bc_ctx.keysize_b+7)/8);
+ 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);
- printitem("plain", buffer, nessie_bc_ctx.blocksize_B);
+ nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_enc(buffer, ctx);
- printitem("cipher", buffer, nessie_bc_ctx.blocksize_B);
- nessie_bc_ctx.cipher_dec(buffer, ctx);
- printitem("decrypted", buffer, nessie_bc_ctx.blocksize_B);
-
+ 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);
}
- printitem("Iterated 100 times", buffer, nessie_bc_ctx.blocksize_B);
+ 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);
}
- printitem("Iterated 1000 times", buffer, nessie_bc_ctx.blocksize_B);
+ 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 buffer[nessie_bc_ctx.blocksize_B];
/* single test */
- printitem("key", key, (nessie_bc_ctx.keysize_b+7)/8);
+ 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);
- printitem("cipher", buffer, nessie_bc_ctx.blocksize_B);
+ nessie_print_item("cipher", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_dec(buffer, ctx);
- printitem("plain", buffer, nessie_bc_ctx.blocksize_B);
+ nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
nessie_bc_ctx.cipher_enc(buffer, ctx);
- printitem("encrypted", buffer, nessie_bc_ctx.blocksize_B);
-
-}
-
-static void print_set_vector(uint8_t set, uint16_t vector){
- uart_putstr_P(PSTR("\r\n\r\nSet "));
- uart_putc('0'+set%10);
- uart_putstr_P(PSTR(", vector#"));
- uart_putc((vector<100)?' ':'0'+vector/100);
- uart_putc((vector<10 )?' ':'0'+(vector/10)%10);
- uart_putc('0'+vector%10);
- uart_putc(':');
-}
-
-/* example:
-Test vectors -- set 3
-=====================
- */
-static void print_setheader(uint8_t set){
- uart_putstr_P(PSTR("\r\n\r\nTest vectors -- set "));
- uart_putc('0'+set%10);
- uart_putstr_P(PSTR("\r\n====================="));
-}
-
-/* example:
-********************************************************************************
-*Project NESSIE - New European Schemes for Signature, Integrity, and Encryption*
-********************************************************************************
-
-Primitive Name: Serpent
-=======================
-Key size: 256 bits
-Block size: 128 bits
-*/
-
-static void print_header(void){
- uint16_t i;
- uart_putstr_P(PSTR("\r\n\r\n"
- "********************************************************************************\r\n"
- "* micro-cryt - crypto primitives for microcontrolles by Daniel Otte *\r\n"
- "********************************************************************************\r\n"
- "\r\n"));
- uart_putstr_P(PSTR("Primitive Name: "));
- uart_putstr(nessie_bc_ctx.name);
- uart_putstr_P(PSTR("\r\n"));
- for(i=0; i<16+strlen(nessie_bc_ctx.name); ++i){
- uart_putc('=');
- }
- uart_putstr_P(PSTR("\r\nKey size: "));
- if(nessie_bc_ctx.keysize_b>100){
- uart_putc('0'+nessie_bc_ctx.keysize_b/100);
- }
- if(nessie_bc_ctx.keysize_b>10){
- uart_putc('0'+(nessie_bc_ctx.keysize_b/10)%10);
- }
- uart_putc('0'+nessie_bc_ctx.keysize_b%10);
- uart_putstr_P(PSTR(" bits\r\nBlock size: "));
- if(nessie_bc_ctx.blocksize_B*8>100){
- uart_putc('0'+(nessie_bc_ctx.blocksize_B*8)/100);
- }
- if(nessie_bc_ctx.blocksize_B*8>10){
- uart_putc('0'+((nessie_bc_ctx.blocksize_B*8)/10)%10);
- }
- uart_putc('0'+(nessie_bc_ctx.blocksize_B*8)%10);
- uart_putstr_P(PSTR(" bits"));
-}
-
-static void print_footer(void){
- uart_putstr_P(PSTR("\r\n\r\n\r\n\r\nEnd of test vectors\r\n\r\n"));
+ nessie_print_item("encrypted", buffer, nessie_bc_ctx.blocksize_B);
+ nessie_bc_free(ctx);
}
void nessie_bc_run(void){
uint8_t key[(nessie_bc_ctx.keysize_b+7)/8];
uint8_t buffer[nessie_bc_ctx.blocksize_B];
- print_header();
+ 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;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<nessie_bc_ctx.keysize_b; ++i){
- print_set_vector(set, i);
+ nessie_print_set_vector(set, i);
memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
key[i/8] |= 0x80>>(i%8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
}
/* test set 2 */
set=2;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<nessie_bc_ctx.blocksize_B*8; ++i){
- print_set_vector(set, i);
+ nessie_print_set_vector(set, i);
memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
buffer[i/8] |= 0x80>>(i%8);
}
/* test set 3 */
set=3;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<256; ++i){
- print_set_vector(set, 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;
- print_setheader(set);
+ nessie_print_setheader(set);
/* 4 - 0*/
- print_set_vector(set, 0);
+ nessie_print_set_vector(set, 0);
for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
key[i]=i;
}
}
nessie_bc_enc(key, buffer);
/* 4 - 1 */
- print_set_vector(set, 1);
+ nessie_print_set_vector(set, 1);
/* This is the test vectors in Kasumi */
static uint8_t kasumi_key[] = {
0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xB3, 0x00,
}
nessie_bc_enc(key, buffer);
/* half done ;-) */
+ if(nessie_bc_ctx.cipher_dec==NULL)
+ return;
/* test set 5 */
set=5;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<nessie_bc_ctx.keysize_b; ++i){
- print_set_vector(set, i);
+ nessie_print_set_vector(set, i);
memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
key[i/8] |= 0x80>>(i%8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
}
/* test set 6 */
set=6;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<nessie_bc_ctx.blocksize_B*8; ++i){
- print_set_vector(set, i);
+ nessie_print_set_vector(set, i);
memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
memset(buffer, 0, nessie_bc_ctx.blocksize_B);
buffer[i/8] |= 0x80>>(i%8);
}
/* test set 7 */
set=7;
- print_setheader(set);
+ nessie_print_setheader(set);
for(i=0; i<256; ++i){
- print_set_vector(set, 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;
- print_setheader(set);
+ nessie_print_setheader(set);
/* 8 - 0*/
- print_set_vector(set, 0);
+ nessie_print_set_vector(set, 0);
for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
key[i]=i;
}
}
nessie_bc_dec(key, buffer);
/* 8 - 1 */
- print_set_vector(set, 1);
+ nessie_print_set_vector(set, 1);
for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
key[i]=kasumi_key[i%sizeof(kasumi_key)];
}
buffer[i]=kasumi_plain[i%sizeof(kasumi_plain)];
}
nessie_bc_dec(key, buffer);
- print_footer();
+ nessie_print_footer();
}
projects / avr-crypto-lib.git / blobdiff