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
  14 #include <stdint.h>
  15 #include <string.h>
  16
  17 char* cipher_name = "XTEA";
  18
  19 void xtea_genctx_dummy(uint8_t* key, uint16_t keysize, void* ctx){
  20         memcpy(ctx, key, (keysize+7)/8);
  21 }
  22
  23 void xtea_enc_dummy(uint8_t* buffer, void* ctx){
  24         xtea_enc((uint32_t*)buffer, (uint32_t*)buffer, ctx);
  25 }
  26
  27 void xtea_dec_dummy(uint8_t* buffer, void* ctx){
  28         xtea_dec((uint32_t*)buffer, (uint32_t*)buffer, ctx);
  29 }
  30
  31 void testrun_nessie_xtea(void){
  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  = 128/8;
  36         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)xtea_enc_dummy;
  37         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)xtea_dec_dummy;
  38         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)xtea_genctx_dummy;
  39
  40         nessie_bc_run();
  41 }
  42
  43
  44
  45 /*****************************************************************************
  46  *  main                                                                                                                                         *
  47  *****************************************************************************/
  48
  49 int main (void){
  50         char  str[20];
  51         DEBUG_INIT();
  52         uart_putstr("\r\n");
  53
  54         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
  55         uart_putstr(cipher_name);
  56         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
  57
  58 restart:
  59         while(1){
  60                 if (!getnextwordn(str,20))  {DEBUG_S("DBG: W1\r\n"); goto error;}
  61                 if (strcmp(str, "nessie")) {DEBUG_S("DBG: 1b\r\n"); goto error;}
  62                         testrun_nessie_xtea();
  63                 goto restart;
  64                 continue;
  65         error:
  66                 uart_putstr("ERROR\r\n");
  67         }
  68 }