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