main-rc5-test.c

   1 /* main-rc5-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  * rc5 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 "rc5.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 #define RC5_ROUNDS 12
  39 char* cipher_name = "RC5-32/12/16";
  40
  41 /*****************************************************************************
  42  *  additional validation-functions                                                                                      *
  43  *****************************************************************************/
  44 void rc5_genctx_dummy(uint8_t* key, uint16_t keysize_b, void* ctx){
  45         rc5_init(key, keysize_b, RC5_ROUNDS, ctx);
  46 }
  47
  48 void testrun_nessie_rc5(void){
  49         nessie_bc_init();
  50         nessie_bc_ctx.blocksize_B =   8;
  51         nessie_bc_ctx.keysize_b   = 128;
  52         nessie_bc_ctx.name        = cipher_name;
  53         nessie_bc_ctx.ctx_size_B  = sizeof(rc5_ctx_t);
  54         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)rc5_enc;
  55         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)rc5_dec;
  56         nessie_bc_ctx.cipher_free = (nessie_bc_free_fpt)rc5_free;
  57         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)rc5_genctx_dummy;
  58
  59         nessie_bc_run();
  60 }
  61
  62
  63 void testrun_performance_rc5(void){
  64         uint16_t i,c;
  65         uint64_t t;
  66         char str[16];
  67         uint8_t key[16], data[16];
  68         rc5_ctx_t ctx;
  69
  70         calibrateTimer();
  71         getOverhead(&c, &i);
  72         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
  73         utoa(c, str, 10);
  74         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
  75         uart_putstr(str);
  76         utoa(i, str, 10);
  77         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
  78         uart_putstr(str);
  79
  80         memset(key,  0, 16);
  81         memset(data, 0, 16);
  82
  83         startTimer(1);
  84         rc5_init(key, 128, RC5_ROUNDS, &ctx);
  85         t = stopTimer();
  86         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
  87         ultoa((unsigned long)t, str, 10);
  88         uart_putstr(str);
  89
  90         startTimer(1);
  91         rc5_enc(data, &ctx);
  92         t = stopTimer();
  93         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
  94         ultoa((unsigned long)t, str, 10);
  95         uart_putstr(str);
  96
  97         startTimer(1);
  98         rc5_dec(data, &ctx);
  99         t = stopTimer();
 100         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
 101         ultoa((unsigned long)t, str, 10);
 102         uart_putstr(str);
 103
 104         startTimer(1);
 105         rc5_free(&ctx);
 106         t = stopTimer();
 107         uart_putstr_P(PSTR("\r\n\tfree time: "));
 108         ultoa((unsigned long)t, str, 10);
 109         uart_putstr(str);
 110         uart_putstr_P(PSTR("\r\n"));
 111 }
 112 /*****************************************************************************
 113  *  main                                                                                                                                         *
 114  *****************************************************************************/
 115
 116 int main (void){
 117         char  str[20];
 118         DEBUG_INIT();
 119         uart_putstr("\r\n");
 120
 121         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 122         uart_putstr(cipher_name);
 123         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 124
 125         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 126         void_fpt v[] = {testrun_nessie_rc5, testrun_nessie_rc5, testrun_performance_rc5};
 127
 128         while(1){
 129                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 130                 if(execcommand_d0_P(str, u, v)<0){
 131                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 132                 }
 133                 continue;
 134         error:
 135                 uart_putstr("ERROR\r\n");
 136         }
 137
 138 }
 139