main-rc5-test.c

   1 /*
   2  * rc5 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 "rc5.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 #define RC5_ROUNDS 12
  21 char* cipher_name = "RC5-32/12/16";
  22
  23 /*****************************************************************************
  24  *  additional validation-functions                                                                                      *
  25  *****************************************************************************/
  26 void rc5_genctx_dummy(uint8_t* key, uint16_t keysize_b, void* ctx){
  27         rc5_init(key, keysize_b, RC5_ROUNDS, ctx);
  28 }
  29
  30 void testrun_nessie_rc5(void){
  31         nessie_bc_init();
  32         nessie_bc_ctx.blocksize_B =   8;
  33         nessie_bc_ctx.keysize_b   = 128;
  34         nessie_bc_ctx.name        = cipher_name;
  35         nessie_bc_ctx.ctx_size_B  = sizeof(rc5_ctx_t);
  36         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)rc5_enc;
  37         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)rc5_dec;
  38         nessie_bc_ctx.cipher_free = (nessie_bc_free_fpt)rc5_free;
  39         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)rc5_genctx_dummy;
  40
  41         nessie_bc_run();
  42 }
  43
  44
  45 void testrun_performance_rc5(void){
  46         uint16_t i,c;
  47         uint64_t t;
  48         char str[16];
  49         uint8_t key[16], data[16];
  50         rc5_ctx_t ctx;
  51
  52         calibrateTimer();
  53         getOverhead(&c, &i);
  54         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
  55         utoa(c, str, 10);
  56         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
  57         uart_putstr(str);
  58         utoa(i, str, 10);
  59         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
  60         uart_putstr(str);
  61
  62         memset(key,  0, 16);
  63         memset(data, 0, 16);
  64
  65         startTimer(1);
  66         rc5_init(key, 128, RC5_ROUNDS, &ctx);
  67         t = stopTimer();
  68         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
  69         ultoa((unsigned long)t, str, 10);
  70         uart_putstr(str);
  71
  72         startTimer(1);
  73         rc5_enc(data, &ctx);
  74         t = stopTimer();
  75         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
  76         ultoa((unsigned long)t, str, 10);
  77         uart_putstr(str);
  78
  79         startTimer(1);
  80         rc5_dec(data, &ctx);
  81         t = stopTimer();
  82         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
  83         ultoa((unsigned long)t, str, 10);
  84         uart_putstr(str);
  85
  86         startTimer(1);
  87         rc5_free(&ctx);
  88         t = stopTimer();
  89         uart_putstr_P(PSTR("\r\n\tfree time: "));
  90         ultoa((unsigned long)t, str, 10);
  91         uart_putstr(str);
  92         uart_putstr_P(PSTR("\r\n"));
  93 }
  94 /*****************************************************************************
  95  *  main                                                                                                                                         *
  96  *****************************************************************************/
  97
  98 int main (void){
  99         char  str[20];
 100         DEBUG_INIT();
 101         uart_putstr("\r\n");
 102
 103         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 104         uart_putstr(cipher_name);
 105         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 106
 107         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 108         void_fpt v[] = {testrun_nessie_rc5, testrun_nessie_rc5, testrun_performance_rc5};
 109
 110         while(1){
 111                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 112                 if(execcommand_d0_P(str, u, v)<0){
 113                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 114                 }
 115                 continue;
 116         error:
 117                 uart_putstr("ERROR\r\n");
 118         }
 119
 120 }
 121