main-serpent-test.c

   1 /*
   2  * serpent 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 "serpent.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 = "Serpent";
  21
  22 /*****************************************************************************
  23  *  additional validation-functions                                                                                      *
  24  *****************************************************************************/
  25 void serpent_genctx_dummy(uint8_t* key, uint16_t keysize, void* ctx){
  26         serpent_genctx(key, keysize&0xff, ctx);
  27 }
  28
  29 void testrun_nessie_serpent(void){
  30         nessie_bc_ctx.blocksize_B =  16;
  31         nessie_bc_ctx.keysize_b   = 128;
  32         nessie_bc_ctx.name        = cipher_name;
  33         nessie_bc_ctx.ctx_size_B  = sizeof(serpent_ctx_t);
  34         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)serpent_enc;
  35         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)serpent_dec;
  36         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)serpent_genctx_dummy;
  37
  38         nessie_bc_run();
  39
  40         nessie_bc_ctx.keysize_b   = 192;
  41         nessie_bc_run();
  42
  43         nessie_bc_ctx.keysize_b   = 256;
  44         nessie_bc_run();
  45 }
  46
  47
  48 void testrun_performance_serpent(void){
  49         uint16_t i,c;
  50         uint64_t t;
  51         char str[16];
  52         uint8_t key[32], data[16];
  53         serpent_ctx_t ctx;
  54
  55         calibrateTimer();
  56         getOverhead(&c, &i);
  57         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
  58         utoa(c, str, 10);
  59         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
  60         uart_putstr(str);
  61         utoa(i, str, 10);
  62         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
  63         uart_putstr(str);
  64
  65         memset(key,  0, 32);
  66         memset(data, 0, 16);
  67
  68         startTimer(1);
  69         serpent_genctx(key, 0, &ctx);
  70         t = stopTimer();
  71         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
  72         ultoa((unsigned long)t, str, 10);
  73         uart_putstr(str);
  74
  75
  76         startTimer(1);
  77         serpent_enc(data, &ctx);
  78         t = stopTimer();
  79         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
  80         ultoa((unsigned long)t, str, 10);
  81         uart_putstr(str);
  82
  83
  84         startTimer(1);
  85         serpent_dec(data, &ctx);
  86         t = stopTimer();
  87         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
  88         ultoa((unsigned long)t, str, 10);
  89         uart_putstr(str);
  90
  91         uart_putstr_P(PSTR("\r\n"));
  92 }
  93 /*****************************************************************************
  94  *  main                                                                                                                                         *
  95  *****************************************************************************/
  96
  97 typedef void(*void_fpt)(void);
  98
  99 int main (void){
 100         char  str[20];
 101         DEBUG_INIT();
 102         uart_putstr("\r\n");
 103
 104         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 105         uart_putstr(cipher_name);
 106         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 107
 108         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 109         void_fpt v[] = {testrun_nessie_serpent, testrun_nessie_serpent, testrun_performance_serpent};
 110
 111         while(1){
 112                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 113                 if(execcommand_d0_P(str, u, v)<0){
 114                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 115                 }
 116                 continue;
 117         error:
 118                 uart_putstr("ERROR\r\n");
 119         }
 120
 121 }
 122