--- /dev/null
+/* 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();
+}
projects / avr-crypto-lib.git / blobdiff