test_src/main-serpent-test.c

   1 /* main-serpent-test.c */
   2 /*
   3     This file is part of the This file is part of the AVR-Crypto-Lib.
   4     Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
   5
   6     This program is free software: you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation, either version 3 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19 /*
  20  * serpent test-suit
  21  *
  22 */
  23
  24 #include "config.h"
  25 #include "serial-tools.h"
  26 #include "uart.h"
  27 #include "debug.h"
  28
  29 #include "serpent.h"
  30 #include "nessie_bc_test.h"
  31 #include "cli.h"
  32 #include "performance_test.h"
  33
  34 #include <stdint.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37
  38 char* cipher_name = "Serpent";
  39
  40 /*****************************************************************************
  41  *  additional validation-functions                                                                                      *
  42  *****************************************************************************/
  43 void serpent_genctx_dummy(uint8_t* key, uint16_t keysize, void* ctx){
  44         serpent_init(key, keysize&0xff, ctx);
  45 }
  46
  47 void testrun_nessie_serpent(void){
  48         nessie_bc_ctx.blocksize_B =  16;
  49         nessie_bc_ctx.keysize_b   = 128;
  50         nessie_bc_ctx.name        = cipher_name;
  51         nessie_bc_ctx.ctx_size_B  = sizeof(serpent_ctx_t);
  52         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)serpent_enc;
  53         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)serpent_dec;
  54         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)serpent_genctx_dummy;
  55
  56         nessie_bc_run();
  57
  58         nessie_bc_ctx.keysize_b   = 192;
  59         nessie_bc_run();
  60
  61         nessie_bc_ctx.keysize_b   = 256;
  62         nessie_bc_run();
  63 }
  64
  65 void testrun_test_serpent(void){
  66         uint8_t key[32];
  67         serpent_ctx_t ctx;
  68         uint8_t i;
  69         memset(key, 0, 16);
  70         serpent_init(key, 128, &ctx);
  71         for(i=0; i<33; ++i){
  72                 uart_putstr_P(PSTR("\r\n subkekey "));
  73                 uart_hexdump(&i, 1);
  74                 uart_putstr_P(PSTR(" : "));
  75                 uart_hexdump(ctx.k[i], 16);
  76         }
  77 }
  78
  79 void testrun_performance_serpent(void){
  80         uint64_t t;
  81         char str[16];
  82         uint8_t key[32], data[16];
  83         serpent_ctx_t ctx;
  84
  85         calibrateTimer();
  86         print_overhead();
  87
  88         memset(key,  0, 32);
  89         memset(data, 0, 16);
  90
  91         startTimer(1);
  92         serpent_init(key, 0, &ctx);
  93         t = stopTimer();
  94         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
  95         ultoa((unsigned long)t, str, 10);
  96         uart_putstr(str);
  97
  98
  99         startTimer(1);
 100         serpent_enc(data, &ctx);
 101         t = stopTimer();
 102         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
 103         ultoa((unsigned long)t, str, 10);
 104         uart_putstr(str);
 105
 106
 107         startTimer(1);
 108         serpent_dec(data, &ctx);
 109         t = stopTimer();
 110         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
 111         ultoa((unsigned long)t, str, 10);
 112         uart_putstr(str);
 113
 114         uart_putstr_P(PSTR("\r\n"));
 115 }
 116 /*****************************************************************************
 117  *  main                                                                                                                                         *
 118  *****************************************************************************/
 119
 120 int main (void){
 121         char  str[20];
 122         DEBUG_INIT();
 123         uart_putstr("\r\n");
 124
 125         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 126         uart_putstr(cipher_name);
 127         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 128
 129         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 130         void_fpt v[] = {testrun_nessie_serpent, testrun_test_serpent, testrun_performance_serpent};
 131
 132         while(1){
 133                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 134                 if(execcommand_d0_P(str, u, v)<0){
 135                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 136                 }
 137                 continue;
 138         error:
 139                 uart_putstr("ERROR\r\n");
 140         }
 141
 142 }
 143