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