main-xtea-test.c

   1 /*
   2  * XTEA 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 "xtea.h"
  12 #include "nessie_bc_test.h"
  13 #include "performance_test.h"
  14 #include "cli.h"
  15
  16 #include <stdint.h>
  17 #include <string.h>
  18
  19 char* cipher_name = "XTEA";
  20
  21 void xtea_genctx_dummy(uint8_t* key, uint16_t keysize, void* ctx){
  22         memcpy(ctx, key, (keysize+7)/8);
  23 }
  24
  25 void xtea_enc_dummy(uint8_t* buffer, void* ctx){
  26         xtea_enc((uint32_t*)buffer, (uint32_t*)buffer, ctx);
  27 }
  28
  29 void xtea_dec_dummy(uint8_t* buffer, void* ctx){
  30         xtea_dec((uint32_t*)buffer, (uint32_t*)buffer, ctx);
  31 }
  32
  33 void testrun_nessie_xtea(void){
  34         nessie_bc_ctx.blocksize_B =   8;
  35         nessie_bc_ctx.keysize_b   = 128;
  36         nessie_bc_ctx.name        = cipher_name;
  37         nessie_bc_ctx.ctx_size_B  = 128/8;
  38         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)xtea_enc_dummy;
  39         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)xtea_dec_dummy;
  40         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)xtea_genctx_dummy;
  41
  42         nessie_bc_run();
  43 }
  44
  45 void testrun_performance_xtea(void){
  46         uint64_t t;
  47         uint8_t key[16], data[8];
  48
  49         calibrateTimer();
  50         print_overhead();
  51
  52         memset(key,  0, 16);
  53         memset(data, 0,  8);
  54
  55         startTimer(1);
  56         xtea_enc(data, data, key);
  57         t = stopTimer();
  58         print_time_P(PSTR("\tencrypt time: "), t);
  59
  60         startTimer(1);
  61         xtea_dec(data, data, key);
  62         t = stopTimer();
  63         print_time_P(PSTR("\tdecrypt time: "), t);
  64
  65         uart_putstr_P(PSTR("\r\n"));
  66 }
  67
  68 /*****************************************************************************
  69  *  main                                                                                                                                         *
  70  *****************************************************************************/
  71
  72 int main (void){
  73         char  str[20];
  74         DEBUG_INIT();
  75         uart_putstr("\r\n");
  76
  77         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
  78         uart_putstr(cipher_name);
  79         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
  80
  81         PGM_P    u   = PSTR("nessie\0test\0performance\0");
  82         void_fpt v[] = {testrun_nessie_xtea, testrun_nessie_xtea, testrun_performance_xtea};
  83
  84         while(1){
  85                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
  86                 if(execcommand_d0_P(str, u, v)<0){
  87                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
  88                 }
  89                 continue;
  90         error:
  91                 uart_putstr("ERROR\r\n");
  92         }
  93 }