nessie_bc_test.c

   1 /**
   2  *
   3  * author: Daniel Otte
   4  * email:  daniel.otte@rub.de
   5  * license: GPLv3
   6  *
   7  * a suit for running the nessie-tests for blockciphers
   8  *
   9  * */
  10 #include <stdint.h>
  11 #include <string.h>
  12 #include "nessie_bc_test.h"
  13 #include "nessie_common.h"
  14 #include "uart.h"
  15
  16 nessie_bc_ctx_t nessie_bc_ctx;
  17
  18 void nessie_bc_init(void){
  19         memset(&nessie_bc_ctx, 0, sizeof(nessie_bc_ctx_t));
  20 }
  21 static
  22 void nessie_bc_free(void* ctx){
  23         if(nessie_bc_ctx.cipher_free)
  24                 nessie_bc_ctx.cipher_free(ctx);
  25 }
  26
  27 void nessie_bc_enc(uint8_t* key, uint8_t* pt){
  28         uint8_t ctx[nessie_bc_ctx.ctx_size_B];
  29         uint8_t buffer[nessie_bc_ctx.blocksize_B];
  30         uint16_t i;
  31
  32         /* single test */
  33         nessie_print_item("key", key, (nessie_bc_ctx.keysize_b+7)/8);
  34         nessie_bc_ctx.cipher_genctx(key, nessie_bc_ctx.keysize_b, ctx);
  35
  36         memcpy(buffer, pt, nessie_bc_ctx.blocksize_B);
  37         nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
  38         nessie_bc_ctx.cipher_enc(buffer, ctx);
  39         nessie_print_item("cipher", buffer, nessie_bc_ctx.blocksize_B);
  40         if(nessie_bc_ctx.cipher_dec){
  41                 nessie_bc_ctx.cipher_dec(buffer, ctx);
  42                 nessie_print_item("decrypted", buffer, nessie_bc_ctx.blocksize_B);
  43         }
  44         /* 100 times test */
  45         memcpy(buffer, pt, nessie_bc_ctx.blocksize_B);
  46         for(i=0; i<100; ++i){
  47                 nessie_bc_ctx.cipher_enc(buffer, ctx);
  48         }
  49         nessie_print_item("Iterated 100 times", buffer, nessie_bc_ctx.blocksize_B);
  50 #ifndef NESSIE_NO1KTEST
  51         /* 1000 times test, we use the 100 precedig steps to fasten things a bit */
  52         for(; i<1000; ++i){
  53                 nessie_bc_ctx.cipher_enc(buffer, ctx);
  54         }
  55         nessie_print_item("Iterated 1000 times", buffer, nessie_bc_ctx.blocksize_B);
  56 #endif
  57         nessie_bc_free(ctx);
  58 }
  59
  60 void nessie_bc_dec(uint8_t* key, uint8_t* ct){
  61         uint8_t ctx[nessie_bc_ctx.ctx_size_B];
  62         uint8_t buffer[nessie_bc_ctx.blocksize_B];
  63
  64         /* single test */
  65         nessie_print_item("key", key, (nessie_bc_ctx.keysize_b+7)/8);
  66         nessie_bc_ctx.cipher_genctx(key, nessie_bc_ctx.keysize_b, ctx);
  67         memcpy(buffer, ct, nessie_bc_ctx.blocksize_B);
  68         nessie_print_item("cipher", buffer, nessie_bc_ctx.blocksize_B);
  69         nessie_bc_ctx.cipher_dec(buffer, ctx);
  70         nessie_print_item("plain", buffer, nessie_bc_ctx.blocksize_B);
  71         nessie_bc_ctx.cipher_enc(buffer, ctx);
  72         nessie_print_item("encrypted", buffer, nessie_bc_ctx.blocksize_B);
  73         nessie_bc_free(ctx);
  74 }
  75
  76 void nessie_bc_run(void){
  77         uint16_t i;
  78         uint8_t set;
  79         uint8_t key[(nessie_bc_ctx.keysize_b+7)/8];
  80         uint8_t buffer[nessie_bc_ctx.blocksize_B];
  81
  82         nessie_print_header(nessie_bc_ctx.name, nessie_bc_ctx.keysize_b,
  83                             nessie_bc_ctx.blocksize_B*8, 0, 0, 0);
  84         /* test set 1 */
  85         set=1;
  86         nessie_print_setheader(set);
  87         for(i=0; i<nessie_bc_ctx.keysize_b; ++i){
  88                 nessie_print_set_vector(set, i);
  89                 memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
  90                 key[i/8] |= 0x80>>(i%8);
  91                 memset(buffer, 0, nessie_bc_ctx.blocksize_B);
  92                 nessie_bc_enc(key, buffer);
  93         }
  94         /* test set 2 */
  95         set=2;
  96         nessie_print_setheader(set);
  97         for(i=0; i<nessie_bc_ctx.blocksize_B*8; ++i){
  98                 nessie_print_set_vector(set, i);
  99                 memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
 100                 memset(buffer, 0, nessie_bc_ctx.blocksize_B);
 101                 buffer[i/8] |= 0x80>>(i%8);
 102                 nessie_bc_enc(key, buffer);
 103         }
 104         /* test set 3 */
 105         set=3;
 106         nessie_print_setheader(set);
 107         for(i=0; i<256; ++i){
 108                 nessie_print_set_vector(set, i);
 109                 memset(key, i, (nessie_bc_ctx.keysize_b+7)/8);
 110                 memset(buffer, i, nessie_bc_ctx.blocksize_B);
 111                 nessie_bc_enc(key, buffer);
 112         }
 113         /* test set 4 */
 114         set=4;
 115         nessie_print_setheader(set);
 116         /* 4 - 0*/
 117         nessie_print_set_vector(set, 0);
 118         for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
 119                 key[i]=i;
 120         }
 121         for(i=0; i<nessie_bc_ctx.blocksize_B; ++i){
 122                 buffer[i]=i*0x11;
 123         }
 124         nessie_bc_enc(key, buffer);
 125         /* 4 - 1 */
 126         nessie_print_set_vector(set, 1);
 127     /* This is the test vectors in Kasumi */
 128     static uint8_t kasumi_key[] = {
 129            0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xB3, 0x00,
 130            0x95, 0x2C, 0x49, 0x10, 0x48, 0x81, 0xFF, 0x48 };
 131     static uint8_t kasumi_plain[]={
 132            0xEA, 0x02, 0x47, 0x14, 0xAD, 0x5C, 0x4D, 0x84 };
 133         for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
 134                 key[i]=kasumi_key[i%sizeof(kasumi_key)];
 135         }
 136         for(i=0; i<nessie_bc_ctx.blocksize_B; ++i){
 137                 buffer[i]=kasumi_plain[i%sizeof(kasumi_plain)];
 138         }
 139         nessie_bc_enc(key, buffer);
 140         /* half done ;-) */
 141         if(nessie_bc_ctx.cipher_dec==NULL)
 142                 return;
 143         /* test set 5 */
 144         set=5;
 145         nessie_print_setheader(set);
 146         for(i=0; i<nessie_bc_ctx.keysize_b; ++i){
 147                 nessie_print_set_vector(set, i);
 148                 memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
 149                 key[i/8] |= 0x80>>(i%8);
 150                 memset(buffer, 0, nessie_bc_ctx.blocksize_B);
 151                 nessie_bc_dec(key, buffer);
 152         }
 153         /* test set 6 */
 154         set=6;
 155         nessie_print_setheader(set);
 156         for(i=0; i<nessie_bc_ctx.blocksize_B*8; ++i){
 157                 nessie_print_set_vector(set, i);
 158                 memset(key, 0, (nessie_bc_ctx.keysize_b+7)/8);
 159                 memset(buffer, 0, nessie_bc_ctx.blocksize_B);
 160                 buffer[i/8] |= 0x80>>(i%8);
 161                 nessie_bc_dec(key, buffer);
 162         }
 163         /* test set 7 */
 164         set=7;
 165         nessie_print_setheader(set);
 166         for(i=0; i<256; ++i){
 167                 nessie_print_set_vector(set, i);
 168                 memset(key, i, (nessie_bc_ctx.keysize_b+7)/8);
 169                 memset(buffer, i, nessie_bc_ctx.blocksize_B);
 170                 nessie_bc_dec(key, buffer);
 171         }
 172         /* test set 8 */
 173         set=8;
 174         nessie_print_setheader(set);
 175         /* 8 - 0*/
 176         nessie_print_set_vector(set, 0);
 177         for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
 178                 key[i]=i;
 179         }
 180         for(i=0; i<nessie_bc_ctx.blocksize_B; ++i){
 181                 buffer[i]=i*0x11;
 182         }
 183         nessie_bc_dec(key, buffer);
 184         /* 8 - 1 */
 185         nessie_print_set_vector(set, 1);
 186         for(i=0; i<(nessie_bc_ctx.keysize_b+7)/8; ++i){
 187                 key[i]=kasumi_key[i%sizeof(kasumi_key)];
 188         }
 189         for(i=0; i<nessie_bc_ctx.blocksize_B; ++i){
 190                 buffer[i]=kasumi_plain[i%sizeof(kasumi_plain)];
 191         }
 192         nessie_bc_dec(key, buffer);
 193         nessie_print_footer();
 194 }