main-des-test.c

   1 /*
   2  * des test-suit
   3  *
   4 */
   5
   6 #include "config.h"
   7 #include "serial-tools.h"
   8 #include "uart.h"
   9 #include "debug.h"
  10
  11 #include "des.h"
  12 #include "nessie_bc_test.h"
  13 #include "cli.h"
  14 #include "performance_test.h"
  15
  16 #include <stdint.h>
  17 #include <string.h>
  18 #include <stdlib.h>
  19
  20 char* cipher_name = "DES";
  21
  22 /*****************************************************************************
  23  *  additional validation-functions                                                                                      *
  24  *****************************************************************************/
  25 void des_init_dummy(const void* key, uint16_t keysize_b, void* ctx){
  26         memcpy(ctx, key, 8);
  27 }
  28
  29 void des_enc_dummy(void* buffer, void* ctx){
  30         des_encrypt(buffer, buffer, ctx);
  31 }
  32
  33 void des_dec_dummy(void* buffer, void* ctx){
  34         des_decrypt(buffer, buffer, ctx);
  35 }
  36
  37 void testrun_nessie_des(void){
  38         nessie_bc_init();
  39         nessie_bc_ctx.blocksize_B =   8;
  40         nessie_bc_ctx.keysize_b   =  64;
  41         nessie_bc_ctx.name        = cipher_name;
  42         nessie_bc_ctx.ctx_size_B  = sizeof(8);
  43         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)des_enc_dummy;
  44         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)des_dec_dummy;
  45         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)des_init_dummy;
  46
  47         nessie_bc_run();
  48 }
  49
  50
  51 void testrun_performance_des(void){
  52         uint16_t i,c;
  53         uint64_t t;
  54         char str[16];
  55         uint8_t key[8], data[8];
  56
  57
  58         calibrateTimer();
  59         getOverhead(&c, &i);
  60         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
  61         utoa(c, str, 10);
  62         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
  63         uart_putstr(str);
  64         utoa(i, str, 10);
  65         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
  66         uart_putstr(str);
  67
  68         memset(key,  0, 8);
  69         memset(data, 0, 8);
  70
  71         startTimer(1);
  72         des_encrypt(data, data, key);
  73         t = stopTimer();
  74         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
  75         ultoa((unsigned long)t, str, 10);
  76         uart_putstr(str);
  77
  78         startTimer(1);
  79         des_decrypt(data, data, key);
  80         t = stopTimer();
  81         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
  82         ultoa((unsigned long)t, str, 10);
  83         uart_putstr(str);
  84         uart_putstr_P(PSTR("\r\n"));
  85 }
  86 /*****************************************************************************
  87  *  main                                                                                                                                         *
  88  *****************************************************************************/
  89
  90 int main (void){
  91         char  str[20];
  92         DEBUG_INIT();
  93         uart_putstr("\r\n");
  94
  95         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
  96         uart_putstr(cipher_name);
  97         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
  98
  99         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 100         void_fpt v[] = {testrun_nessie_des, testrun_nessie_des, testrun_performance_des};
 101
 102         while(1){
 103                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 104                 if(execcommand_d0_P(str, u, v)<0){
 105                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 106                 }
 107                 continue;
 108         error:
 109                 uart_putstr("ERROR\r\n");
 110         }
 111
 112 }
 113