main-grain-test.c

   1 /* main-grain-test.c */
   2 /*
   3     This file is part of the Crypto-avr-lib/microcrypt-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  * grain test-suit
  21  *
  22 */
  23
  24 #include "config.h"
  25 #include "serial-tools.h"
  26 #include "uart.h"
  27 #include "debug.h"
  28 #include "cli.h"
  29
  30 #include "grain.h"
  31 #include "nessie_stream_test.h"
  32 #include "performance_test.h"
  33
  34 #include <stdlib.h>
  35 #include <stdint.h>
  36 #include <string.h>
  37
  38 char* cipher_name = "Grain";
  39
  40 /*****************************************************************************
  41  *  additional validation-functions                                          *
  42  *****************************************************************************/
  43 void grain_genctx_dummy(uint8_t* key, uint16_t keysize_b, void* ctx){
  44         uint8_t iv[8]={0};
  45         grain_init(key, &iv, ctx);
  46 }
  47
  48 uint8_t grain_getbyte_dummy(grain_ctx_t* ctx){
  49         uint8_t i,ret=0;
  50         for(i=0; i<8; ++i){
  51                 ret<<=1;
  52                 ret |= grain_enc(ctx);
  53         }
  54         return ret;
  55 }
  56
  57 uint8_t grain_getbyte_dummy_rev(grain_ctx_t* ctx){
  58         uint8_t i,ret=0;
  59         for(i=0; i<8; ++i){
  60                 ret >>= 1;
  61                 ret |= grain_enc(ctx)?0x80:0x00;
  62         }
  63         return ret;
  64 }
  65
  66 void testrun_nessie_grain(void){
  67         nessie_stream_ctx.outsize_b =   8; /* actually unused */
  68         nessie_stream_ctx.keysize_b =  80; /* this is the one we have refrence vectors for */
  69         nessie_stream_ctx.ivsize_b  =  64;
  70         nessie_stream_ctx.name = cipher_name;
  71         nessie_stream_ctx.ctx_size_B = sizeof(grain_ctx_t);
  72         nessie_stream_ctx.cipher_genctx = (nessie_stream_genctx_fpt)grain_genctx_dummy;
  73         nessie_stream_ctx.cipher_enc = (nessie_stream_genenc_fpt)grain_getbyte_dummy_rev;
  74
  75         nessie_stream_run();
  76 }
  77
  78
  79 void testrun_std_grain(void){
  80         grain_ctx_t ctx;
  81         uint8_t i, key[10], iv[8], out[10];
  82
  83         /* 1 */
  84         memset(key, 0, 10);
  85         memset(iv, 0, 8);
  86         uart_putstr_P(PSTR("\r\n=== std test ==="));
  87         uart_putstr_P(PSTR("\r\n key: "));
  88         uart_hexdump(key, 10);
  89         uart_putstr_P(PSTR("\r\n iv:  "));
  90         uart_hexdump(key, 8);
  91         grain_init(key, iv, &ctx);
  92         for(i=0; i<10; ++i){
  93                 out[i] = grain_getbyte_dummy(&ctx);
  94         }
  95         uart_putstr_P(PSTR("\r\n out: "));
  96         uart_hexdump(out, 10);
  97
  98         /* 2 */
  99         for(i=0; i<8; ++i){
 100                 key[i] = i*0x22+1;
 101         }
 102         key[8]=0x12;
 103         key[9]=0x34;
 104
 105         for(i=0; i<8; ++i){
 106                 iv[i] = i*0x22+1;
 107         }
 108         uart_putstr_P(PSTR("\r\n\r\n key: "));
 109         uart_hexdump(key, 10);
 110         uart_putstr_P(PSTR("\r\n iv:  "));
 111         uart_hexdump(key, 8);
 112         grain_init(key, iv, &ctx);
 113         for(i=0; i<10; ++i){
 114                 out[i] = grain_getbyte_dummy(&ctx);
 115         }
 116         uart_putstr_P(PSTR("\r\n out: "));
 117         uart_hexdump(out, 10);
 118
 119
 120         uart_putstr_P(PSTR("\r\n\r\n"));
 121 }
 122
 123 void testrun_performance_grain(void){
 124         uint16_t i,c;
 125         uint64_t t;
 126         char str[16];
 127         uint8_t key[10], iv[8];
 128         grain_ctx_t ctx;
 129
 130         calibrateTimer();
 131         getOverhead(&c, &i);
 132         uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
 133         utoa(c, str, 10);
 134         uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
 135         uart_putstr(str);
 136         utoa(i, str, 10);
 137         uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
 138         uart_putstr(str);
 139
 140         memset(key,  0, 10);
 141         memset(iv,  0, 8);
 142
 143         startTimer(1);
 144         grain_init(key, iv, &ctx);
 145         t = stopTimer();
 146         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
 147         ultoa((unsigned long)t, str, 10);
 148         uart_putstr(str);
 149
 150         startTimer(1);
 151         grain_enc(&ctx);
 152         t = stopTimer();
 153         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
 154         ultoa((unsigned long)t, str, 10);
 155         uart_putstr(str);
 156
 157         uart_putstr_P(PSTR("\r\n"));
 158 }
 159
 160 /*****************************************************************************
 161  *  main                                                                     *
 162  *****************************************************************************/
 163
 164 int main (void){
 165         char  str[20];
 166         DEBUG_INIT();
 167         uart_putstr("\r\n");
 168
 169         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 170         uart_putstr(cipher_name);
 171         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 172
 173         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 174         void_fpt v[] = {testrun_nessie_grain, testrun_std_grain, testrun_performance_grain};
 175
 176         while(1){
 177                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 178                 if(execcommand_d0_P(str, u, v)<0){
 179                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 180                 }
 181                 continue;
 182         error:
 183                 uart_putstr("ERROR\r\n");
 184         }
 185 }
 186
 187
 188