test_src/nessie_common.c

   1 /* nessie_common.c */
   2 /*
   3     This file is part of the ARM-Crypto-Lib.
   4     Copyright (C) 2006-2010  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  *
  21  * author: Daniel Otte
  22  * email:  daniel.otte@rub.de
  23  * license: GPLv3
  24  *
  25  * common function for nessie-tests
  26  *
  27  * */
  28
  29 #include <string.h>
  30 #include <stdint.h>
  31 #include <stdlib.h> /* utoa() */
  32 #include "nessie_common.h"
  33 #include "hexdigit_tab.h"
  34 #include "cli.h"
  35 #include "string-extras.h"
  36
  37
  38 #ifdef NESSIE_ALIVE
  39 void nessie_send_alive(void){
  40         cli_putc(NESSIE_ALIVE_CHAR);
  41 }
  42
  43 void nessie_send_alive_a(uint16_t i){
  44         if((i&31)==0)
  45                 cli_putc(NESSIE_ALIVE_CHAR);
  46 }
  47 #endif
  48
  49 void nessie_print_block(uint8_t* block, uint16_t blocksize_bit){
  50         cli_hexdump(block, (blocksize_bit+7)/8);
  51 }
  52
  53 #define SPACES 31
  54 #define BYTESPERLINE 16
  55
  56 void nessie_print_item(const char* name, uint8_t* buffer, uint16_t size_B){
  57         uint8_t name_len;
  58         uint8_t i;
  59         name_len=strlen(name);
  60         if(name_len>SPACES-1){
  61                 cli_putstr("\r\n!!! formatting error !!!\r\n");
  62                 return;
  63         }
  64         cli_putstr("\r\n");
  65         for(i=0; i<SPACES-name_len-1; ++i){
  66                 cli_putc(' ');
  67         }
  68         cli_putstr(name);
  69         cli_putc('=');
  70         /* now the data printing begins */
  71         if(size_B<=BYTESPERLINE){
  72                 /* one line seems sufficient */
  73                 nessie_print_block(buffer, size_B*8);
  74         } else {
  75                 /* we need more lines */
  76                 nessie_print_block(buffer, BYTESPERLINE*8); /* first line */
  77                 int16_t toprint = size_B - BYTESPERLINE;
  78                 buffer += BYTESPERLINE;
  79                 while(toprint > 0){
  80                         cli_putstr("\r\n");
  81                         for(i=0; i<SPACES; ++i){
  82                                 cli_putc(' ');
  83                         }
  84                         nessie_print_block(buffer, ((toprint>BYTESPERLINE)?BYTESPERLINE:toprint)*8);
  85                         buffer  += BYTESPERLINE;
  86                         toprint -= BYTESPERLINE;
  87                 }
  88         }
  89 }
  90
  91
  92 void nessie_print_set_vector(uint8_t set, uint16_t vector){
  93         cli_putstr("\r\n\r\nSet ");
  94         cli_putc('0'+set%10);
  95         cli_putstr(", vector#");
  96         cli_putc((vector<1000)?' ':'0'+vector/1000);
  97         cli_putc((vector<100)?' ':'0'+(vector/100)%10);
  98         cli_putc((vector<10 )?' ':'0'+(vector/10)%10);
  99         cli_putc('0'+vector%10);
 100         cli_putc(':');
 101 }
 102
 103 /* example:
 104 Test vectors -- set 3
 105 =====================
 106  */
 107 void nessie_print_setheader(uint8_t set){
 108         cli_putstr("\r\n\r\nTest vectors -- set ");
 109         cli_putc('0'+set%10);
 110         cli_putstr("\r\n=====================");
 111 }
 112
 113 /* example:
 114 ********************************************************************************
 115 *Project NESSIE - New European Schemes for Signature, Integrity, and Encryption*
 116 ********************************************************************************
 117
 118 Primitive Name: Serpent
 119 =======================
 120 Key size: 256 bits
 121 Block size: 128 bits
 122 */
 123
 124 void nessie_print_header(const char* name,
 125                          uint16_t keysize_b,
 126                          uint16_t blocksize_b,
 127                          uint16_t hashsize_b,
 128                          uint16_t macsize_b,
 129                          uint16_t ivsize_b ){
 130         uint16_t i;
 131         cli_putstr("\r\n\r\n"
 132         "********************************************************************************\r\n"
 133         "* ARM-Crypto-Lib - crypto primitives for ARM microcontrollers by Daniel Otte   *\r\n"
 134         "********************************************************************************\r\n"
 135         "\r\n");
 136
 137         cli_putstr("Primitive Name: ");
 138         cli_putstr(name);
 139         cli_putstr("\r\n");
 140         /* underline */
 141         for(i=0; i<16+strlen(name); ++i){
 142                 cli_putc('=');
 143         }
 144         char str[6]; /* must catch numbers up to 65535 + terminating \0 */
 145         if(keysize_b){
 146                 cli_putstr("\r\nKey size: ");
 147                 ustoa(keysize_b, str, 10);
 148                 cli_putstr(str);
 149                 cli_putstr(" bits");
 150         }
 151         if(blocksize_b){
 152                 cli_putstr("\r\nBlock size: ");
 153                 ustoa(blocksize_b, str, 10);
 154                 cli_putstr(str);
 155                 cli_putstr(" bits");
 156         }
 157         if(hashsize_b){
 158                 cli_putstr("\r\nHash size: ");
 159                 ustoa(hashsize_b, str, 10);
 160                 cli_putstr(str);
 161                 cli_putstr(" bits");
 162         }
 163
 164         if(macsize_b){
 165                 cli_putstr("\r\nMac size: ");
 166                 ustoa(macsize_b, str, 10);
 167                 cli_putstr(str);
 168                 cli_putstr(" bits");
 169         }
 170         if(ivsize_b){
 171                 if(ivsize_b==(uint16_t)-1){
 172                         cli_putstr("\r\nNo initial value (IV) mode");
 173                 }else{
 174                         cli_putstr("\r\nIV size: ");
 175                         ustoa(ivsize_b, str, 10);
 176                         cli_putstr(str);
 177                         cli_putstr(" bits");
 178                 }
 179         }
 180         cli_putstr("\r\n");
 181 }
 182
 183 void nessie_print_footer(void){
 184         cli_putstr("\r\n\r\n\r\n\r\nEnd of test vectors\r\n\r\n");
 185 }
 186