-/* nessie_mac_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
- * email: daniel.otte@rub.de
- * license: GPLv3
- *
- * a suit for running the nessie-tests for MACs
- *
- * */
-#include <stdint.h>
-#include <string.h>
-#include "nessie_mac_test.h"
-#include "nessie_common.h"
-#include "uart.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 PRINTKEY nessie_print_item("key", key, KEYSIZE_B)
-#define PRINTMAC nessie_print_item("MAC", mac, MACSIZE_B)
-
-static
-void ascii_mac(char* data, char* desc, uint8_t* key){
- uint8_t ctx[nessie_mac_ctx.ctx_size_B];
- uint8_t mac[MACSIZE_B];
- uint16_t sl;
-
- uart_putstr_P(PSTR("\r\n message="));
- uart_putstr(desc);
- PRINTKEY;
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);
- sl = strlen(data);
- while(sl>=nessie_mac_ctx.blocksize_B){
- nessie_mac_ctx.mac_next(data, ctx);
- data += nessie_mac_ctx.blocksize_B;
- sl -= nessie_mac_ctx.blocksize_B;
- }
- nessie_mac_ctx.mac_last(data, sl*8, key, nessie_mac_ctx.keysize_b, ctx);
- 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;
-
- uart_putstr_P(PSTR("\r\n message="));
- uart_putstr_P(PSTR("1 million times \"a\""));
- PRINTKEY;
-
- memset(block, 'a', nessie_mac_ctx.blocksize_B);
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);
- while(n>=nessie_mac_ctx.blocksize_B){
- nessie_mac_ctx.mac_next(block, ctx);
- n -= nessie_mac_ctx.blocksize_B;
- }
- nessie_mac_ctx.mac_last(block, n*8, key, nessie_mac_ctx.keysize_b, ctx);
- 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];
-
- uart_putstr_P(PSTR("\r\n message="));
- if(n>=10000)
- uart_putc('0'+n/10000);
- if(n>=1000)
- uart_putc('0'+(n/1000)%10);
- if(n>=100)
- uart_putc('0'+(n/100)%10);
- if(n>=10)
- uart_putc('0'+(n/10)%10);
- uart_putc('0'+n%10);
- uart_putstr_P(PSTR(" zero bits"));
- PRINTKEY;
-
- memset(block, 0, nessie_mac_ctx.blocksize_B);
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b,ctx);;
- while(n>=nessie_mac_ctx.blocksize_B*8){
- nessie_mac_ctx.mac_next(block, ctx);
- n -= nessie_mac_ctx.blocksize_B*8;
- }
- nessie_mac_ctx.mac_last(block, n, key, nessie_mac_ctx.keysize_b, ctx);
- 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;
- uart_putstr_P(PSTR("\r\n message="));
- uart_putstr_P(PSTR("512-bit string: "));
- if((pos/8) >=10){
- uart_putc('0'+(pos/8/10)%10);
- } else {
- uart_putc(' ');
- }
- uart_putc('0'+(pos/8)%10);
- uart_putstr_P(PSTR("*00,"));
- uart_putstr(tab[pos&7]);
- uart_putc(',');
- if(63-(pos/8) >=10){
- uart_putc('0'+((63-pos/8)/10)%10);
- } else {
- uart_putc(' ');
- }
- uart_putc('0'+(63-pos/8)%10);
- uart_putstr_P(PSTR("*00"));
- PRINTKEY;
-
- /* now the real stuff */
- memset(block, 0, 512/8);
- block[pos>>3] = 0x80>>(pos&0x7);
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);;
- while(n>=nessie_mac_ctx.blocksize_B*8){
- nessie_mac_ctx.mac_next(block, ctx);
- n -= nessie_mac_ctx.blocksize_B*8;
- }
- nessie_mac_ctx.mac_last(block, n, key, nessie_mac_ctx.keysize_b, ctx);
- nessie_mac_ctx.mac_conv(mac, ctx);
- PRINTMAC;
-}
-
-static
-void tv4_mac(uint8_t* key){
- uint8_t ctx[nessie_mac_ctx.ctx_size_B];
- uint8_t mac[MACSIZE_B];
- uint8_t block[256/8];
- uint16_t n=256;
- uint32_t i;
-
- uart_putstr_P(PSTR("\r\n message="));
- uart_putstr(PSTR("256 zero bits"));
- memset(block, 0, 256/8);
-
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);;
- while(n>=nessie_mac_ctx.blocksize_B*8){
- nessie_mac_ctx.mac_next(block, ctx);
- n -= nessie_mac_ctx.blocksize_B*8;
- }
- nessie_mac_ctx.mac_last(block, n, key, nessie_mac_ctx.keysize_b, ctx);
- nessie_mac_ctx.mac_conv(mac, ctx);
- PRINTMAC;
- for(i=1; i<100000L; ++i){ /* this assumes BLOCKSIZE >= HASHSIZE */
- nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);;
- nessie_mac_ctx.mac_last(mac, nessie_mac_ctx.macsize_b, key, nessie_mac_ctx.keysize_b, ctx);
- nessie_mac_ctx.mac_conv(mac, ctx);
- }
- nessie_print_item("iterated 100000 times", mac, MACSIZE_B);
-}
-
-
-void nessie_mac_run(void){
- uint16_t i;
- uint8_t set;
- uint8_t keyproto[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
- 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
- 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
- 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 */
- char* challange[10][2]= {
- {"", "\"\" (empty string)"},
- {"a", "\"a\""},
- {"abc", "\"abc\""},
- {"message digest", "\"message digest\""},
- {"abcdefghijklmnopqrstuvwxyz","\"abcdefghijklmnopqrstuvwxyz\""},
- {"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
- "\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\""},
- {"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "abcdefghijklmnopqrstuvwxyz"
- "0123456789" , "\"A...Za...z0...9\""},
- {"1234567890" "1234567890" "1234567890" "1234567890"
- "1234567890" "1234567890" "1234567890" "1234567890",
- "8 times \"1234567890\""},
- {"Now is the time for all ", "\"Now is the time for all \""},
- {"Now is the time for it", "\"Now is the time for it\""}
- };
- set=1;
- nessie_print_setheader(set);
- for(i=0; i<KEYSIZE_B; ++i){
- key[i] = keyproto[i%sizeof(keyproto)];
- }
- for(i=0; i<10; ++i){
- nessie_print_set_vector(set, i);
- ascii_mac(challange[i][0], challange[i][1], key);
- }
- nessie_print_set_vector(set, i);
- amillion_mac(key);
- for(i=0; i<KEYSIZE_B; ++i){
- key[i] = keyproto[16+i%8];
- }
- for(i=0; i<10; ++i){
- nessie_print_set_vector(set, 11+i);
- ascii_mac(challange[i][0], challange[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] = 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(key);
- /* test set 5 */
- 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("ABC", "\"ABC\"", key);
- }
- nessie_print_footer();
-}