test_src/main-cast5-test.c

   1 /* main-cast5-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  * cast5 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 <cast5.h>
  30 #include "nessie_bc_test.h"
  31 #include "performance_test.h"
  32 #include "cli.h"
  33
  34 #include <stdint.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37
  38 char* cipher_name = "cast-128 (cast5)";
  39
  40 /*****************************************************************************
  41  *  additional validation-functions                                                                                      *
  42  *****************************************************************************/
  43
  44 void testrun_nessie_cast5(void){
  45         nessie_bc_ctx.blocksize_B =   8;
  46         nessie_bc_ctx.keysize_b   = 128;
  47         nessie_bc_ctx.name        = cipher_name;
  48         nessie_bc_ctx.ctx_size_B  = sizeof(cast5_ctx_t);
  49         nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)cast5_enc;
  50         nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)cast5_dec;
  51         nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)cast5_init;
  52
  53         nessie_bc_run();
  54 }
  55
  56 /*****************************************************************************
  57  *  self tests                                                                                                                           *
  58  *****************************************************************************/
  59
  60 void cast5_ctx_dump(cast5_ctx_t *s){
  61         uint8_t i;
  62         uart_putstr("\r\n==== cast5_ctx_dump ====\r\n shortkey: ");
  63         uart_putstr(s->shortkey?"yes":"no");
  64         for(i=0;i<16;++i){
  65                 uint8_t r;
  66                 uart_putstr("\r\n Km"); uart_hexdump(&i, 1); uart_putc(':');
  67                 uart_hexdump(&(s->mask[i]), 4);
  68                 uart_putstr("\r\n Kr"); uart_hexdump(&i, 1); uart_putc(':');
  69                 r = (s->rotl[i/2]);
  70                 if (i&0x01) r >>= 4;
  71                 r &= 0xf;
  72                 r += (s->roth[i>>3]&(1<<(i&0x7)))?0x10:0x00;
  73                 uart_hexdump(&r, 1);
  74         }
  75 }
  76
  77
  78 void test_encrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){
  79         cast5_ctx_t s;
  80         if (print){
  81                 uart_putstr("\r\nCAST5:\r\n key:\t");
  82                 uart_hexdump(key, keylength/8);
  83                 uart_putstr("\r\n plaintext:\t");
  84                 uart_hexdump(block, 8);
  85         }
  86         cast5_init(key, keylength, &s);
  87         cast5_enc(block, &s);
  88         if (print){
  89                 uart_putstr("\r\n ciphertext:\t");
  90                 uart_hexdump(block, 8);
  91         }
  92 }
  93
  94 void test_decrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){
  95         cast5_ctx_t s;
  96         if (print){
  97                 uart_putstr("\r\nCAST5:\r\n key:\t");
  98                 uart_hexdump(key, keylength/8);
  99                 uart_putstr("\r\n ciphertext:\t");
 100                 uart_hexdump(block, 8);
 101         }
 102         cast5_init(key, keylength, &s);
 103         cast5_dec(block, &s);
 104         if (print){
 105                 uart_putstr("\r\n plaintext:\t");
 106                 uart_hexdump(block, 8);
 107         }
 108 }
 109
 110 void testrun_cast5(void){
 111         uint8_t block[8];
 112         uint8_t key[16];
 113         uint8_t *tda = (uint8_t*)"\x01\x23\x45\x67\x89\xAB\xCD\xEF",
 114                 *tka = (uint8_t*)"\x01\x23\x45\x67\x12\x34\x56\x78\x23\x45\x67\x89\x34\x56\x78\x9A";
 115         memcpy(block, tda, 8);
 116         memcpy(key, tka, 16);
 117         test_encrypt(block, key, 128, true);
 118         test_decrypt(block, key, 128, true);
 119         memcpy(block, tda, 8);
 120         memcpy(key, tka, 16);
 121         test_encrypt(block, key, 80, true);
 122         test_decrypt(block, key, 80, true);
 123         memcpy(block, tda, 8);
 124         memcpy(key, tka, 16);
 125         test_encrypt(block, key, 40, true);
 126         test_decrypt(block, key, 40, true);
 127
 128 /**** long test *****/
 129         uart_putstr("\r\nmaintance-test");
 130         uint8_t a[16]= {0x01, 0x23, 0x45, 0x67, 0x12,
 131                                     0x34, 0x56, 0x78, 0x23, 0x45,
 132                                     0x67, 0x89, 0x34, 0x56, 0x78,
 133                                     0x9A},
 134                         b[16]= {0x01, 0x23, 0x45, 0x67, 0x12,
 135                                     0x34, 0x56, 0x78, 0x23, 0x45,
 136                                     0x67, 0x89, 0x34, 0x56, 0x78,
 137                                     0x9A};
 138         uint32_t i;
 139         for(i=0;i<1000000; ++i){
 140                 test_encrypt(&(a[0]), &(b[0]), 128, false);
 141                 test_encrypt(&(a[8]), &(b[0]), 128, false);
 142                 test_encrypt(&(b[0]), &(a[0]), 128, false);
 143                 test_encrypt(&(b[8]), &(a[0]), 128, false);
 144                 if ((i&0x000000ff) == 0){
 145                         uart_putstr("\r\n");
 146                         uart_hexdump(&i, 4);
 147                 }
 148         }
 149         uart_putstr("\r\na = "); uart_hexdump(a, 16);
 150         uart_putstr("\r\nb = "); uart_hexdump(b, 16);
 151
 152 }
 153
 154 void testrun_performance_cast5(void){
 155         uint64_t t;
 156         char str[6];
 157         uint8_t key[16], data[16];
 158         cast5_ctx_t ctx;
 159
 160         calibrateTimer();
 161         print_overhead();
 162
 163         memset(key,  0, 16);
 164         memset(data, 0, 16);
 165
 166         startTimer(1);
 167         cast5_init(key, 128, &ctx);
 168         t = stopTimer();
 169         uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
 170         ultoa((unsigned long)t, str, 10);
 171         uart_putstr(str);
 172
 173
 174         startTimer(1);
 175         cast5_enc(data, &ctx);
 176         t = stopTimer();
 177         uart_putstr_P(PSTR("\r\n\tencrypt time: "));
 178         ultoa((unsigned long)t, str, 10);
 179         uart_putstr(str);
 180
 181
 182         startTimer(1);
 183         cast5_dec(data, &ctx);
 184         t = stopTimer();
 185         uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
 186         ultoa((unsigned long)t, str, 10);
 187         uart_putstr(str);
 188
 189         uart_putstr_P(PSTR("\r\n"));
 190 }
 191
 192 /*****************************************************************************
 193  *  main                                                                                                                                         *
 194  *****************************************************************************/
 195
 196 int main (void){
 197         char str[20];
 198
 199
 200         DEBUG_INIT();
 201         uart_putstr("\r\n");
 202
 203         uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
 204         uart_putstr(cipher_name);
 205         uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 206
 207         PGM_P    u   = PSTR("nessie\0test\0performance\0");
 208         void_fpt v[] = {testrun_nessie_cast5, testrun_cast5, testrun_performance_cast5};
 209
 210         while(1){
 211                 if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
 212                 if(execcommand_d0_P(str, u, v)<0){
 213                         uart_putstr_P(PSTR("\r\nunknown command\r\n"));
 214                 }
 215                 continue;
 216         error:
 217                 uart_putstr("ERROR\r\n");
 218         }
 219 }
 220