test_src/main-ecdsa-test.c

   1 /* main-dsa-test.c */
   2 /*
   3     This file is part of the AVR-Crypto-Lib.
   4     Copyright (C) 2010 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  * ECDSA test-suit
  21  *
  22 */
  23
  24 #include "main-test-common.h"
  25
  26 #include "noekeon.h"
  27 #include "noekeon_prng.h"
  28 #include "bigint.h"
  29 #include "bigint_io.h"
  30 #include "nist_p192.h"
  31
  32 #include "performance_test.h"
  33 #include "hfal_sha1.h"
  34 #include "base64_enc.h"
  35 #include "base64_dec.h"
  36
  37 char* algo_name = "ECDSA";
  38
  39 /*****************************************************************************
  40  *  additional validation-functions                                                                                      *
  41  *****************************************************************************/
  42
  43 void testrun_performance_bigint(void){
  44     printf_P(PSTR("\n=== performance measurement ===\n"));
  45     unsigned i, j;
  46     bigint_t a,b,v;
  47     bigint_word_t v_w[192 * 2 / BIGINT_WORD_SIZE];
  48     bigint_word_t a_w[192 * 2 / BIGINT_WORD_SIZE];
  49     bigint_word_t b_w[192 * 2 / BIGINT_WORD_SIZE];
  50     uint32_t time_a, time_b;
  51     int32_t time_diff;
  52     int16_t faster_percent;
  53     v.wordv = v_w;
  54     for(j = 0; j < 32; ++j){
  55         do{
  56             for(i = 0; i < 192 * 2 / BIGINT_WORD_SIZE; ++i){
  57                 ((uint8_t*)v_w)[i] = random();
  58             }
  59             v.length_W = 192 * 2 / BIGINT_WORD_SIZE;
  60             v.info = 0;
  61             bigint_adjust(&v);
  62         }while(0);
  63
  64     //    printf_P(PSTR("candidate:\n"));
  65     //    bigint_print_hex(&v);
  66         a.wordv = a_w;
  67         b.wordv = b_w;
  68         calibrateTimer();
  69
  70     //    printf_P(PSTR("\n  going to test optimized version: ...\n"));
  71         uart0_flush();
  72         time_a = 0;
  73         for(i = 0; i < 16; ++i){
  74             bigint_copy(&a, &v);
  75             startTimer(1);
  76             START_TIMER;
  77             bigint_reduce_p192(&a);
  78             STOP_TIMER;
  79             time_a += stopTimer();
  80         }
  81     //    printf_P(PSTR("    took: %"PRIu32" cycles\nresult:"), time);
  82     //    bigint_print_hex(&a);
  83
  84
  85     //    printf_P(PSTR("\n  going to test not-optimized version: ...\n"));
  86     //    uart0_flush();
  87         time_b = 0;
  88         for(i = 0; i < 16; ++i){
  89             bigint_copy(&b, &v);
  90             startTimer(1);
  91             START_TIMER;
  92             bigint_reduce(&b, &nist_curve_p192_p);
  93             STOP_TIMER;
  94             time_b += stopTimer();
  95         }
  96     //    printf_P(PSTR("    took: %"PRIu32" cycles\nresult:"), time);
  97     //    bigint_print_hex(&b);
  98
  99         time_diff = time_b - time_a;
 100         faster_percent = (time_diff * 100) / time_b;
 101
 102         printf_P(PSTR("  delta: %7"PRId32"  (%3"PRId16"%%)  :-"), time_diff, faster_percent);
 103         if(bigint_cmp_u(&a, &b)){
 104             printf_P(PSTR("(\n"));
 105         } else {
 106             printf_P(PSTR(")\n"));
 107         }
 108         uart0_flush();
 109     }
 110 }
 111
 112 /*****************************************************************************
 113  *  main                                                                                                                                         *
 114  *****************************************************************************/
 115
 116 const char echo_test_str[]        PROGMEM = "echo-test";
 117 const char reset_prng_str[]       PROGMEM = "reset-prng";
 118 const char quick_test_str[]       PROGMEM = "quick-test";
 119 const char performance_str[]      PROGMEM = "performance";
 120 const char echo_str[]             PROGMEM = "echo";
 121
 122 const const cmdlist_entry_t cmdlist[] PROGMEM = {
 123 //      { reset_prng_str,       NULL, reset_prng                    },
 124 //      { quick_test_str,       NULL, quick_test                    },
 125         { performance_str,      NULL, testrun_performance_bigint    },
 126         { echo_str,         (void*)1, (void_fpt)echo_ctrl           },
 127         { NULL,                 NULL, NULL                          }
 128 };
 129
 130 int main (void){
 131     int8_t r;
 132     main_setup();
 133
 134     for(;;){
 135         welcome_msg(algo_name);
 136         r = cmd_interface(cmdlist);
 137         printf("r = %"PRId8"\n", r);
 138         cli_putstr_P(PSTR("\r\nHello!\r\n"));
 139         }
 140 }