test_src/nessie_hash_test.c

   1 /* nessie_hash_test.c */
   2 /*
   3     This file is part of the AVR-Crypto-Lib.
   4     Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
   5
   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.
  10
  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.
  15
  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/>.
  18 */
  19 /**
  20  *
  21  * author: Daniel Otte
  22  * email:  daniel.otte@rub.de
  23  * license: GPLv3
  24  *
  25  * a suit for running the nessie-tests for hashes
  26  *
  27  * */
  28 #include <stdint.h>
  29 #include <string.h>
  30 #include "nessie_hash_test.h"
  31 #include "nessie_common.h"
  32 #include "dbz_strings.h"
  33
  34 nessie_hash_ctx_t nessie_hash_ctx;
  35
  36 #define HASHSIZE_B ((nessie_hash_ctx.hashsize_b+7)/8)
  37 #define BLOCKSIZE_B (nessie_hash_ctx.blocksize_B)
  38
  39 static
  40 void ascii_hash_P(PGM_P data, PGM_P desc){
  41         uint8_t ctx[nessie_hash_ctx.ctx_size_B];
  42         uint8_t hash[HASHSIZE_B];
  43         uint16_t sl;
  44         uint8_t buffer[BLOCKSIZE_B];
  45
  46         NESSIE_PUTSTR_P(PSTR("\r\n                       message="));
  47         NESSIE_PUTSTR_P(desc);
  48         nessie_hash_ctx.hash_init(ctx);
  49         sl = strlen_P(data);
  50         while(sl>=BLOCKSIZE_B){
  51                 memcpy_P(buffer, data, BLOCKSIZE_B);
  52                 nessie_hash_ctx.hash_next(buffer, ctx);
  53                 data += BLOCKSIZE_B;
  54                 sl   -= BLOCKSIZE_B;
  55         }
  56         memcpy_P(buffer, data, sl);
  57         nessie_hash_ctx.hash_last(buffer, sl*8, ctx);
  58         nessie_hash_ctx.hash_conv(hash, ctx);
  59         nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
  60 }
  61
  62 // message=1 million times "a"
  63
  64 static
  65 void amillion_hash(void){
  66         uint8_t ctx[nessie_hash_ctx.ctx_size_B];
  67         uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
  68         uint8_t block[nessie_hash_ctx.blocksize_B];
  69         uint32_t n=1000000LL;
  70         uint16_t i=0;
  71
  72         NESSIE_PUTSTR_P(PSTR("\r\n                       message="));
  73         NESSIE_PUTSTR_P(PSTR("1 million times \"a\""));
  74         memset(block, 'a', nessie_hash_ctx.blocksize_B);
  75         nessie_hash_ctx.hash_init(ctx);
  76         while(n>=nessie_hash_ctx.blocksize_B){
  77                 nessie_hash_ctx.hash_next(block, ctx);
  78                 n    -= nessie_hash_ctx.blocksize_B;
  79                 NESSIE_SEND_ALIVE_A(i++);
  80         }
  81         nessie_hash_ctx.hash_last(block, n*8, ctx);
  82         nessie_hash_ctx.hash_conv(hash, ctx);
  83         nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
  84 }
  85
  86
  87 static
  88 void zero_hash(uint16_t n){
  89         uint8_t ctx[nessie_hash_ctx.ctx_size_B];
  90         uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
  91         uint8_t block[nessie_hash_ctx.blocksize_B];
  92
  93         NESSIE_PUTSTR_P(PSTR("\r\n                       message="));
  94         if(n>=10000)
  95                 NESSIE_PUTC('0'+n/10000);
  96         if(n>=1000)
  97                 NESSIE_PUTC('0'+(n/1000)%10);
  98         if(n>=100)
  99                 NESSIE_PUTC('0'+(n/100)%10);
 100         if(n>=10)
 101                 NESSIE_PUTC('0'+(n/10)%10);
 102         NESSIE_PUTC('0'+n%10);
 103         NESSIE_PUTSTR_P(PSTR(" zero bits"));
 104
 105         memset(block, 0, nessie_hash_ctx.blocksize_B);
 106         nessie_hash_ctx.hash_init(ctx);
 107         while(n>=nessie_hash_ctx.blocksize_B*8){
 108                 nessie_hash_ctx.hash_next(block, ctx);
 109                 n   -= nessie_hash_ctx.blocksize_B*8;
 110         }
 111         nessie_hash_ctx.hash_last(block, n, ctx);
 112         nessie_hash_ctx.hash_conv(hash, ctx);
 113         nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
 114 }
 115
 116 static
 117 void one_in512_hash(uint16_t pos){
 118         uint8_t ctx[nessie_hash_ctx.ctx_size_B];
 119         uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
 120         uint8_t block[nessie_hash_ctx.blocksize_B];
 121         uint16_t n=512;
 122         char* tab[8]={"80", "40", "20", "10",
 123                       "08", "04", "02", "01" };
 124
 125         pos&=511;
 126         NESSIE_PUTSTR_P(PSTR("\r\n                       message="));
 127         NESSIE_PUTSTR_P(PSTR("512-bit string: "));
 128         if((pos/8) >=10){
 129                 NESSIE_PUTC('0'+(pos/8/10)%10);
 130         } else {
 131                 NESSIE_PUTC(' ');
 132         }
 133         NESSIE_PUTC('0'+(pos/8)%10);
 134         NESSIE_PUTSTR_P(PSTR("*00,"));
 135         NESSIE_PUTSTR(tab[pos&7]);
 136         NESSIE_PUTC(',');
 137         if(63-(pos/8) >=10){
 138                 NESSIE_PUTC('0'+((63-pos/8)/10)%10);
 139         } else {
 140                 NESSIE_PUTC(' ');
 141         }
 142         NESSIE_PUTC('0'+(63-pos/8)%10);
 143         NESSIE_PUTSTR_P(PSTR("*00"));
 144
 145         /* now the real stuff */
 146         memset(block, 0, 512/8);
 147         block[pos>>3] = 0x80>>(pos&0x7);
 148         nessie_hash_ctx.hash_init(ctx);
 149         while(n>=nessie_hash_ctx.blocksize_B*8){
 150                 nessie_hash_ctx.hash_next(block, ctx);
 151                 n   -= nessie_hash_ctx.blocksize_B*8;
 152         }
 153         nessie_hash_ctx.hash_last(block, n, ctx);
 154         nessie_hash_ctx.hash_conv(hash, ctx);
 155         nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
 156 }
 157
 158 static
 159 void tv4_hash(void){
 160         uint8_t ctx[nessie_hash_ctx.ctx_size_B];
 161         uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
 162         uint8_t block[nessie_hash_ctx.hashsize_b/8];
 163         uint16_t n=nessie_hash_ctx.hashsize_b;
 164         uint32_t i;
 165
 166         NESSIE_PUTSTR_P(PSTR("\r\n                       message="));
 167         if(nessie_hash_ctx.hashsize_b>=10000)
 168                 NESSIE_PUTC('0' + (nessie_hash_ctx.hashsize_b/10000)%10);
 169         if(nessie_hash_ctx.hashsize_b>=1000)
 170                 NESSIE_PUTC('0' + (nessie_hash_ctx.hashsize_b/1000)%10);
 171         if(nessie_hash_ctx.hashsize_b>=100)
 172                 NESSIE_PUTC('0' + (nessie_hash_ctx.hashsize_b/100)%10);
 173         if(nessie_hash_ctx.hashsize_b>=10)
 174                 NESSIE_PUTC('0' + (nessie_hash_ctx.hashsize_b/10)%10);
 175         NESSIE_PUTC('0' + nessie_hash_ctx.hashsize_b%10);
 176
 177         NESSIE_PUTSTR_P(PSTR(" zero bits"));
 178         memset(block, 0, 256/8);
 179
 180         nessie_hash_ctx.hash_init(ctx);
 181         while(n>=nessie_hash_ctx.blocksize_B*8){
 182                 nessie_hash_ctx.hash_next(block, ctx);
 183                 n    -= nessie_hash_ctx.blocksize_B*8;
 184         }
 185         nessie_hash_ctx.hash_last(block, n, ctx);
 186         nessie_hash_ctx.hash_conv(hash, ctx);
 187         nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
 188         for(i=1; i<100000L; ++i){ /* this assumes BLOCKSIZE >= HASHSIZE */
 189                 nessie_hash_ctx.hash_init(ctx);
 190                 nessie_hash_ctx.hash_last(hash, nessie_hash_ctx.hashsize_b, ctx);
 191                 nessie_hash_ctx.hash_conv(hash, ctx);
 192                 NESSIE_SEND_ALIVE_A(i);
 193         }
 194         nessie_print_item("iterated 100000 times", hash, (nessie_hash_ctx.hashsize_b+7)/8);
 195 }
 196
 197 /*
 198    "" (empty string)
 199    message="a"
 200    message="abc"
 201    message="message digest"
 202    message="abcdefghijklmnopqrstuvwxyz"
 203    message="abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
 204    message="A...Za...z0...9"
 205    message=8 times "1234567890"
 206 */
 207
 208
 209 void nessie_hash_run(void){
 210         uint16_t i;
 211         uint8_t set;
 212
 213         nessie_print_header(nessie_hash_ctx.name, 0, 0, nessie_hash_ctx.hashsize_b, 0, 0);
 214         /* test set 1 */
 215         char* challange_dbz= PSTR(
 216                   "\0"
 217                 "\"\" (empty string)\0"
 218                   "a\0"
 219                 "\"a\"\0"
 220                   "abc\0"
 221                 "\"abc\"\0"
 222                   "message digest\0"
 223                 "\"message digest\"\0"
 224                   "abcdefghijklmnopqrstuvwxyz\0"
 225                 "\"abcdefghijklmnopqrstuvwxyz\"\0"
 226                   "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\0"
 227                 "\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\"\0"
 228                   "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 229                   "abcdefghijklmnopqrstuvwxyz"
 230                   "0123456789\0"
 231                  "\"A...Za...z0...9\"\0"
 232                  "1234567890123456789012345678901234567890"
 233                  "1234567890123456789012345678901234567890\0"
 234                  "8 times \"1234567890\"\0"
 235         );
 236         PGM_P challange[16];
 237         set=1;
 238         nessie_print_setheader(set);
 239         dbz_splitup_P(challange_dbz, challange);
 240         for(i=0; i<8; ++i){
 241                 nessie_print_set_vector(set, i);
 242                 ascii_hash_P(challange[2*i], challange[2*i+1]);
 243         }
 244         nessie_print_set_vector(set, i);
 245         amillion_hash();
 246         /* test set 2 */
 247         set=2;
 248         nessie_print_setheader(set);
 249         for(i=0; i<1024; ++i){
 250                 nessie_print_set_vector(set, i);
 251                 zero_hash(i);
 252         }
 253         /* test set 3 */
 254         set=3;
 255         nessie_print_setheader(set);
 256         for(i=0; i<512; ++i){
 257                 nessie_print_set_vector(set, i);
 258                 one_in512_hash(i);
 259         }
 260         /* test set 4 */
 261         set=4;
 262         nessie_print_setheader(set);
 263         nessie_print_set_vector(set, 0);
 264         tv4_hash();
 265
 266         nessie_print_footer();
 267 }