main-tdes-test.c

   1 /* main-tdes-test.c */
   2 /*
   3     This file is part of the Crypto-avr-lib/microcrypt-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  * tdes test-suit
  21  *
  22 */
  23
  24 #include "config.h"
  25 #include "serial-tools.h"
  26 #include "uart.h"
  27 #include "debug.h"
  28
  29 #include "des.h"
  30 #include "nessie_bc_test.h"
  31 #include "cli.h"
  32 #include "performance_test.h"
  33
  34 #include <stdint.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37
  38 char* cipher_name = "TDES";
  39
  40 /*****************************************************************************
  41  *  additional validation-functions                                                                                      *
  42  *****************************************************************************/
  43 void tdes_init_dummy(const void* key, uint16_t keysize_b, void* ctx){
  44         memcpy(ctx, key, 8*3);
  45 }
  46
  47 void tdes_enc_dummy(void* buffer, void* ctx){
  48         tdes_encrypt(buffer, buffer, ctx);
  49 }
  50
  51 void tdes_dec_dummy(void* buffer, void* ctx){
  52         tdes_decrypt(buffer, buffer, ctx);
  53 }
  54
  55 void testrun_nessie_tdes(void){
  56         nessie_bc_init();
  57         nessie_bc_ctx.blocksize_B =   8;
  58         nessie_bc_ctx.keysize_b   = 192;
  59         nessie_bc_ctx.name        = cipher_name;
  60         nessie_bc_ctx.ctx_size_B  = sizeof(8*3);
  61         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)tdes_enc_dummy;
  62         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)tdes_dec_dummy;
  63         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)tdes_init_dummy;
  64
  65         nessie_bc_run();
  66 }
  67
  68
  69 void testrun_performance_tdes(void){
  70         uint16_t i,c;
  71         uint64_t t;
  72         char str[16];
  73         uint8_t key[8*3], data[8];
  74
  75
  76         calibrateTimer();
  77         getOverhead(&c, &i);
  78         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
  79         utoa(c, str, 10);
  80         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
  81         uart_putstr(str);
  82         utoa(i, str, 10);
  83         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
  84         uart_putstr(str);
  85
  86         memset(key,  0, 8*3);
  87         memset(data, 0, 8);
  88
  89         startTimer(1);
  90         tdes_encrypt(data, data, key);
  91         t = stopTimer();
  92         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
  93         ultoa((unsigned long)t, str, 10);
  94         uart_putstr(str);
  95
  96         startTimer(1);
  97         tdes_decrypt(data, data, key);
  98         t = stopTimer();
  99         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
 100         ultoa((unsigned long)t, str, 10);
 101         uart_putstr(str);
 102         uart_putstr_P(PSTR("\r\n"));
 103 }
 104 /*****************************************************************************
 105  *  main                                                                                                                                         *
 106  *****************************************************************************/
 107
 108 int main (void){
 109         char  str[20];
 110         DEBUG_INIT();
 111         uart_putstr("\r\n");
 112
 113         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 114         uart_putstr(cipher_name);
 115         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 116
 117         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 118         void_fpt v[] = {testrun_nessie_tdes, testrun_nessie_tdes, testrun_performance_tdes};
 119
 120         while(1){
 121                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 122                 if(execcommand_d0_P(str, u, v)<0){
 123                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 124                 }
 125                 continue;
 126         error:
 127                 uart_putstr("ERROR\r\n");
 128         }
 129
 130 }
 131