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