1 /* nessie_mac_test.c */
3 This file is part of the AVR-Crypto-Lib.
4 Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * email: daniel.otte@rub.de
25 * a suit for running the nessie-tests for MACs
30 #include "nessie_mac_test.h"
31 #include "nessie_common.h"
34 nessie_mac_ctx_t nessie_mac_ctx;
36 #define KEYSIZE_B ((nessie_mac_ctx.keysize_b+7)/8)
37 #define MACSIZE_B ((nessie_mac_ctx.macsize_b+7)/8)
39 #define PRINTKEY nessie_print_item("key", key, KEYSIZE_B)
40 #define PRINTMAC nessie_print_item("MAC", mac, MACSIZE_B)
43 void ascii_mac(char* data, char* desc, uint8_t* key){
44 uint8_t ctx[nessie_mac_ctx.ctx_size_B];
45 uint8_t mac[MACSIZE_B];
48 NESSIE_PUTSTR_P(PSTR("\r\n message="));
51 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);
53 while(sl>nessie_mac_ctx.blocksize_B){
54 nessie_mac_ctx.mac_next(data, ctx);
55 data += nessie_mac_ctx.blocksize_B;
56 sl -= nessie_mac_ctx.blocksize_B;
58 nessie_mac_ctx.mac_last(data, sl*8, key, nessie_mac_ctx.keysize_b, ctx);
59 nessie_mac_ctx.mac_conv(mac, ctx);
63 // message=1 million times "a"
66 void amillion_mac(uint8_t* key){
67 uint8_t ctx[nessie_mac_ctx.ctx_size_B];
68 uint8_t mac[MACSIZE_B];
69 uint8_t block[nessie_mac_ctx.blocksize_B];
73 NESSIE_PUTSTR_P(PSTR("\r\n message="));
74 NESSIE_PUTSTR_P(PSTR("1 million times \"a\""));
77 memset(block, 'a', nessie_mac_ctx.blocksize_B);
78 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);
79 while(n>nessie_mac_ctx.blocksize_B){
80 nessie_mac_ctx.mac_next(block, ctx);
81 n -= nessie_mac_ctx.blocksize_B;
82 NESSIE_SEND_ALIVE_A(i++);
84 nessie_mac_ctx.mac_last(block, n*8, key, nessie_mac_ctx.keysize_b, ctx);
85 nessie_mac_ctx.mac_conv(mac, ctx);
91 void zero_mac(uint16_t n, uint8_t* key){
92 uint8_t ctx[nessie_mac_ctx.ctx_size_B];
93 uint8_t mac[MACSIZE_B];
94 uint8_t block[nessie_mac_ctx.blocksize_B];
96 NESSIE_PUTSTR_P(PSTR("\r\n message="));
98 NESSIE_PUTC('0'+n/10000);
100 NESSIE_PUTC('0'+(n/1000)%10);
102 NESSIE_PUTC('0'+(n/100)%10);
104 NESSIE_PUTC('0'+(n/10)%10);
105 NESSIE_PUTC('0'+n%10);
106 NESSIE_PUTSTR_P(PSTR(" zero bits"));
109 memset(block, 0, nessie_mac_ctx.blocksize_B);
110 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b,ctx);;
111 while(n>nessie_mac_ctx.blocksize_B*8){
112 nessie_mac_ctx.mac_next(block, ctx);
113 n -= nessie_mac_ctx.blocksize_B*8;
115 nessie_mac_ctx.mac_last(block, n, key, nessie_mac_ctx.keysize_b, ctx);
116 nessie_mac_ctx.mac_conv(mac, ctx);
121 void one_in512_mac(uint16_t pos, uint8_t* key){
122 uint8_t ctx[nessie_mac_ctx.ctx_size_B];
123 uint8_t mac[MACSIZE_B];
124 uint8_t block[nessie_mac_ctx.blocksize_B];
126 char* tab[8]={"80", "40", "20", "10",
127 "08", "04", "02", "01" };
130 NESSIE_PUTSTR_P(PSTR("\r\n message="));
131 NESSIE_PUTSTR_P(PSTR("512-bit string: "));
133 NESSIE_PUTC('0'+(pos/8/10)%10);
137 NESSIE_PUTC('0'+(pos/8)%10);
138 NESSIE_PUTSTR_P(PSTR("*00,"));
139 NESSIE_PUTSTR(tab[pos&7]);
142 NESSIE_PUTC('0'+((63-pos/8)/10)%10);
146 NESSIE_PUTC('0'+(63-pos/8)%10);
147 NESSIE_PUTSTR_P(PSTR("*00"));
150 /* now the real stuff */
151 memset(block, 0, 512/8);
152 block[pos>>3] = 0x80>>(pos&0x7);
155 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);
156 while(n>nessie_mac_ctx.blocksize_B*8){
157 nessie_mac_ctx.mac_next(bp, ctx);
158 n -= nessie_mac_ctx.blocksize_B*8;
159 bp += nessie_mac_ctx.blocksize_B;
161 nessie_mac_ctx.mac_last(bp, n, key, nessie_mac_ctx.keysize_b, ctx);
162 nessie_mac_ctx.mac_conv(mac, ctx);
167 void tv4_mac(uint8_t* key){
168 uint8_t ctx[nessie_mac_ctx.ctx_size_B];
169 uint8_t mac[MACSIZE_B];
170 uint8_t block[256/8];
174 NESSIE_PUTSTR_P(PSTR("\r\n message="));
175 NESSIE_PUTSTR(PSTR("256 zero bits"));
176 memset(block, 0, 256/8);
178 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);;
179 while(n>nessie_mac_ctx.blocksize_B*8){
180 nessie_mac_ctx.mac_next(block, ctx);
181 n -= nessie_mac_ctx.blocksize_B*8;
183 nessie_mac_ctx.mac_last(block, n, key, nessie_mac_ctx.keysize_b, ctx);
184 nessie_mac_ctx.mac_conv(mac, ctx);
186 for(i=1; i<100000L; ++i){ /* this assumes BLOCKSIZE >= HASHSIZE */
187 nessie_mac_ctx.mac_init(key, nessie_mac_ctx.keysize_b, ctx);;
188 nessie_mac_ctx.mac_last(mac, nessie_mac_ctx.macsize_b, key, nessie_mac_ctx.keysize_b, ctx);
189 nessie_mac_ctx.mac_conv(mac, ctx);
190 NESSIE_SEND_ALIVE_A(i);
192 nessie_print_item("iterated 100000 times", mac, MACSIZE_B);
196 void nessie_mac_run(void){
199 uint8_t keyproto[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
200 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
201 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
202 uint8_t key[KEYSIZE_B];
204 nessie_print_header(nessie_mac_ctx.name, nessie_mac_ctx.keysize_b, 0, 0,
205 nessie_mac_ctx.macsize_b, 0);
207 char* challange[10][2]= {
208 {"", "\"\" (empty string)"},
211 {"message digest", "\"message digest\""},
212 {"abcdefghijklmnopqrstuvwxyz","\"abcdefghijklmnopqrstuvwxyz\""},
213 {"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
214 "\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\""},
215 {"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
216 "abcdefghijklmnopqrstuvwxyz"
217 "0123456789" , "\"A...Za...z0...9\""},
218 {"1234567890" "1234567890" "1234567890" "1234567890"
219 "1234567890" "1234567890" "1234567890" "1234567890",
220 "8 times \"1234567890\""},
221 {"Now is the time for all ", "\"Now is the time for all \""},
222 {"Now is the time for it", "\"Now is the time for it\""}
226 nessie_print_setheader(set);
227 for(i=0; i<KEYSIZE_B; ++i){
228 key[i] = keyproto[i%sizeof(keyproto)];
231 nessie_print_set_vector(set, i);
232 ascii_mac(challange[i][0], challange[i][1], key);
234 nessie_print_set_vector(set, i);
236 for(i=0; i<KEYSIZE_B; ++i){
237 key[i] = keyproto[16+i%8];
240 nessie_print_set_vector(set, 11+i);
241 ascii_mac(challange[i][0], challange[i][1], key);
243 nessie_print_set_vector(set, 11+i);
247 for(i=0; i<KEYSIZE_B; ++i){
248 key[i] = keyproto[i%sizeof(keyproto)];
250 nessie_print_setheader(set);
251 for(i=0; i<1024; ++i){
252 nessie_print_set_vector(set, i);
257 nessie_print_setheader(set);
258 /* we use the same key as above */
259 for(i=0; i<512; ++i){
260 nessie_print_set_vector(set, i);
261 one_in512_mac(i, key);
265 nessie_print_setheader(set);
266 /* we use the same key as above */
267 nessie_print_set_vector(set, 0);
270 for(i=0; i<nessie_mac_ctx.keysize_b; ++i){
271 nessie_print_set_vector(set, i);
272 memset(key, 0, KEYSIZE_B);
273 key[i>>3]=0x80>>(i&0x7);
274 ascii_mac("ABC", "\"ABC\"", key);
276 nessie_print_footer();