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avr-crypto-lib/test_src/nessie_mac_test.c

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/* nessie_mac_test.c */
/*
This file is part of the AVR-Crypto-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
* email: daniel.otte@rub.de
* license: GPLv3
*
* a suit for running the nessie-tests for MACs
*
* */
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <avr/pgmspace.h>
#include "nessie_mac_test.h"
#include "nessie_common.h"
#include "dbz_strings.h"
nessie_mac_ctx_t nessie_mac_ctx;
#define KEYSIZE_B ((nessie_mac_ctx.keysize_b+7)/8)
#define MACSIZE_B ((nessie_mac_ctx.macsize_b+7)/8)
#define BLOCKSIZE_B (nessie_mac_ctx.blocksize_B)
#define PRINTKEY nessie_print_item("key", key, KEYSIZE_B)
#define PRINTMAC nessie_print_item("MAC", mac, MACSIZE_B)
const uint8_t keyproto[] PROGMEM = {
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
static
void ascii_mac_P(PGM_P data, PGM_P desc, uint8_t* key){
uint8_t ctx[nessie_mac_ctx.ctx_size_B];
uint8_t mac[MACSIZE_B];
uint16_t sl;
uint8_t buffer[BLOCKSIZE_B];
fputs_P(PSTR("\r\n message="), stdout);
fputs_P(desc, stdout);
PRINTKEY;
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
sl = strlen_P(data);
while(sl>nessie_mac_ctx.blocksize_B){
memcpy_P(buffer, data, BLOCKSIZE_B);
nessie_mac_ctx.mac_next(ctx, buffer);
data += BLOCKSIZE_B;
sl -= BLOCKSIZE_B;
}
memcpy_P(buffer, data, sl);
nessie_mac_ctx.mac_last(ctx, buffer, sl*8);
nessie_mac_ctx.mac_conv(mac, ctx);
PRINTMAC;
}
// message=1 million times "a"
static
void amillion_mac(uint8_t* key){
uint8_t ctx[nessie_mac_ctx.ctx_size_B];
uint8_t mac[MACSIZE_B];
uint8_t block[nessie_mac_ctx.blocksize_B];
uint32_t n=1000000LL;
uint16_t i=0;
fputs_P(PSTR("\r\n message="), stdout);
fputs_P(PSTR("1 million times \"a\""), stdout);
PRINTKEY;
memset(block, 'a', nessie_mac_ctx.blocksize_B);
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
while(n>=nessie_mac_ctx.blocksize_B){
nessie_mac_ctx.mac_next(ctx, block);
n -= nessie_mac_ctx.blocksize_B;
NESSIE_SEND_ALIVE_A(i++);
}
nessie_mac_ctx.mac_last(ctx, block, n*8);
nessie_mac_ctx.mac_conv(mac, ctx);
PRINTMAC;
}
static
void zero_mac(uint16_t n, uint8_t* key){
uint8_t ctx[nessie_mac_ctx.ctx_size_B];
uint8_t mac[MACSIZE_B];
uint8_t block[nessie_mac_ctx.blocksize_B];
fputs_P(PSTR("\r\n message="), stdout);
fprintf_P(stdout, PSTR("%"PRIu16" zero bits"), n);
PRINTKEY;
memset(block, 0, nessie_mac_ctx.blocksize_B);
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
while(n>nessie_mac_ctx.blocksize_B*8){
nessie_mac_ctx.mac_next(ctx, block);
n -= nessie_mac_ctx.blocksize_B*8;
}
nessie_mac_ctx.mac_last(ctx, block, n);
nessie_mac_ctx.mac_conv(mac, ctx);
PRINTMAC;
}
static
void one_in512_mac(uint16_t pos, uint8_t* key){
uint8_t ctx[nessie_mac_ctx.ctx_size_B];
uint8_t mac[MACSIZE_B];
uint8_t block[nessie_mac_ctx.blocksize_B];
uint16_t n=512;
char* tab[8] = { "80", "40", "20", "10",
"08", "04", "02", "01" };
pos&=511;
fputs_P(PSTR("\r\n message="), stdout);
fputs_P(PSTR("512-bit string: "), stdout);
fprintf_P(stdout, PSTR("%2"PRIu16"*00,%s,%2"PRIu16"*00"), pos / 8, tab[pos & 7], 63 - pos / 8);
PRINTKEY;
/* now the real stuff */
memset(block, 0, 512/8);
block[pos>>3] = 0x80>>(pos&0x7);
uint8_t* bp;
bp = block;
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
while(n>nessie_mac_ctx.blocksize_B*8){
nessie_mac_ctx.mac_next(ctx, bp);
n -= nessie_mac_ctx.blocksize_B*8;
bp += nessie_mac_ctx.blocksize_B;
}
nessie_mac_ctx.mac_last(ctx, bp, n);
nessie_mac_ctx.mac_conv(mac, ctx);
PRINTMAC;
}
static
void tv4_mac(void){
uint8_t ctx[nessie_mac_ctx.ctx_size_B];
uint8_t mac[MACSIZE_B];
uint8_t block[MACSIZE_B];
uint8_t key[KEYSIZE_B];
uint16_t n=MACSIZE_B*8;
uint32_t i;
fputs_P(PSTR("\r\n message="), stdout);
fprintf_P(stdout, PSTR("%"PRIu16" zero bits"), nessie_mac_ctx.macsize_b);
memset(block, 0, MACSIZE_B);
for(i=0; i<KEYSIZE_B; ++i)
key[i] = pgm_read_byte(&(keyproto[i%(3*8)]));
nessie_print_item("key", key, KEYSIZE_B);
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
while(n>nessie_mac_ctx.blocksize_B*8){
nessie_mac_ctx.mac_next(ctx, block);
n -= nessie_mac_ctx.blocksize_B*8;
}
nessie_mac_ctx.mac_last(ctx, block, n);
nessie_mac_ctx.mac_conv(mac, ctx);
PRINTMAC;
for(i=1; i<100000L; ++i){ /* this assumes BLOCKSIZE >= HASHSIZE */
nessie_mac_ctx.mac_init(ctx, key, nessie_mac_ctx.keysize_b);
nessie_mac_ctx.mac_last(ctx, mac, nessie_mac_ctx.macsize_b);
nessie_mac_ctx.mac_conv(mac, ctx);
NESSIE_SEND_ALIVE_A(i);
}
nessie_print_item("iterated 100000 times", mac, MACSIZE_B);
}
void nessie_mac_run(void){
uint16_t i;
uint8_t set;
uint8_t key[KEYSIZE_B];
nessie_print_header(nessie_mac_ctx.name, nessie_mac_ctx.keysize_b, 0, 0,
nessie_mac_ctx.macsize_b, 0);
/* test set 1 */
const char* challange_dbz= PSTR(
"\0"
"\"\" (empty string)\0"
"a\0"
"\"a\"\0"
"abc\0"
"\"abc\"\0"
"message digest\0"
"\"message digest\"\0"
"abcdefghijklmnopqrstuvwxyz\0"
"\"abcdefghijklmnopqrstuvwxyz\"\0"
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\0"
"\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\"\0"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789\0"
"\"A...Za...z0...9\"\0"
"1234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890\0"
"8 times \"1234567890\"\0"
"Now is the time for all \0"
"\"Now is the time for all \"\0"
"Now is the time for it\0"
"\"Now is the time for it\"\0"
);
set=1;
nessie_print_setheader(set);
for(i=0; i<KEYSIZE_B; ++i){
key[i] = pgm_read_byte(&(keyproto[i%sizeof(keyproto)]));
}
PGM_P challange[20];
dbz_splitup_P(challange_dbz, challange);
for(i=0; i<10; ++i){
nessie_print_set_vector(set, i);
ascii_mac_P(challange[2*i], challange[2*i+1], key);
}
nessie_print_set_vector(set, i);
amillion_mac(key);
for(i=0; i<KEYSIZE_B; ++i){
key[i] = pgm_read_byte(&(keyproto[0x10+i%0x8]));
}
for(i=0; i<10; ++i){
nessie_print_set_vector(set, 11+i);
ascii_mac_P(challange[2*i], challange[2*i+1], key);
}
nessie_print_set_vector(set, 11+i);
amillion_mac(key);
/* test set 2 */
set=2;
for(i=0; i<KEYSIZE_B; ++i){
key[i] = pgm_read_byte(&(keyproto[i%sizeof(keyproto)]));
}
nessie_print_setheader(set);
for(i=0; i<1024; ++i){
nessie_print_set_vector(set, i);
zero_mac(i, key);
}
/* test set 3 */
set=3;
nessie_print_setheader(set);
/* we use the same key as above */
for(i=0; i<512; ++i){
nessie_print_set_vector(set, i);
one_in512_mac(i, key);
}
/* test set 4 */
set=4;
nessie_print_setheader(set);
/* we use the same key as above */
nessie_print_set_vector(set, 0);
tv4_mac();
/* test set 5 */
set=5;
nessie_print_setheader(set);
for(i=0; i<nessie_mac_ctx.keysize_b; ++i){
nessie_print_set_vector(set, i);
memset(key, 0, KEYSIZE_B);
key[i>>3]=0x80>>(i&0x7);
ascii_mac_P(PSTR("ABC"), PSTR("\"ABC\""), key);
}
nessie_print_footer();
}
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