--- /dev/null
+/* nessie_common.c */
+/*
+ This file is part of the Crypto-avr-lib/microcrypt-lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ *
+ * author: Daniel Otte
+ * email: daniel.otte@rub.de
+ * license: GPLv3
+ *
+ * common function for nessie-tests
+ *
+ * */
+
+#include <string.h>
+#include <stdint.h>
+#include <avr/pgmspace.h>
+#include <stdlib.h> /* utoa() */
+#include "uart.h"
+
+void nessie_print_block(uint8_t* block, uint16_t blocksize_bit){
+ char tab [] = {'0', '1', '2', '3',
+ '4', '5', '6', '7',
+ '8', '9', 'A', 'B',
+ 'C', 'D', 'E', 'F'};
+ uint16_t i;
+ for(i=0; i<(blocksize_bit+7)/8; ++i){
+ uart_putc(tab[(block[i])>>4]);
+ uart_putc(tab[(block[i])&0xf]);
+ }
+}
+
+#define SPACES 31
+#define BYTESPERLINE 16
+
+void nessie_print_item(char* name, uint8_t* buffer, uint16_t size_B){
+ uint8_t name_len;
+ uint8_t i;
+ name_len=strlen(name);
+ if(name_len>SPACES-1){
+ uart_putstr_P(PSTR("\r\n!!! formatting error !!!\r\n"));
+ return;
+ }
+ uart_putstr_P(PSTR("\r\n"));
+ for(i=0; i<SPACES-name_len-1; ++i){
+ uart_putc(' ');
+ }
+ uart_putstr(name);
+ uart_putc('=');
+ /* now the data printing begins */
+ if(size_B<=BYTESPERLINE){
+ /* one line seems sufficient */
+ nessie_print_block(buffer, size_B*8);
+ } else {
+ /* we need more lines */
+ nessie_print_block(buffer, BYTESPERLINE*8); /* first line */
+ int16_t toprint = size_B - BYTESPERLINE;
+ buffer += BYTESPERLINE;
+ while(toprint > 0){
+ uart_putstr_P(PSTR("\r\n"));
+ for(i=0; i<SPACES; ++i){
+ uart_putc(' ');
+ }
+ nessie_print_block(buffer, ((toprint>BYTESPERLINE)?BYTESPERLINE:toprint)*8);
+ buffer += BYTESPERLINE;
+ toprint -= BYTESPERLINE;
+ }
+ }
+}
+
+
+void nessie_print_set_vector(uint8_t set, uint16_t vector){
+ uart_putstr_P(PSTR("\r\n\r\nSet "));
+ uart_putc('0'+set%10);
+ uart_putstr_P(PSTR(", vector#"));
+ uart_putc((vector<100)?' ':'0'+vector/100);
+ uart_putc((vector<10 )?' ':'0'+(vector/10)%10);
+ uart_putc('0'+vector%10);
+ uart_putc(':');
+}
+
+/* example:
+Test vectors -- set 3
+=====================
+ */
+void nessie_print_setheader(uint8_t set){
+ uart_putstr_P(PSTR("\r\n\r\nTest vectors -- set "));
+ uart_putc('0'+set%10);
+ uart_putstr_P(PSTR("\r\n====================="));
+}
+
+/* example:
+********************************************************************************
+*Project NESSIE - New European Schemes for Signature, Integrity, and Encryption*
+********************************************************************************
+
+Primitive Name: Serpent
+=======================
+Key size: 256 bits
+Block size: 128 bits
+*/
+
+void nessie_print_header(char* name,
+ uint16_t keysize_b,
+ uint16_t blocksize_b,
+ uint16_t hashsize_b,
+ uint16_t macsize_b,
+ uint16_t ivsize_b ){
+ uint16_t i;
+ uart_putstr_P(PSTR("\r\n\r\n"
+ "********************************************************************************\r\n"
+ "* micro-crypt - crypto primitives for microcontrolles by Daniel Otte *\r\n"
+ "********************************************************************************\r\n"
+ "\r\n"));
+ uart_putstr_P(PSTR("Primitive Name: "));
+ uart_putstr(name);
+ uart_putstr_P(PSTR("\r\n"));
+ /* underline */
+ for(i=0; i<16+strlen(name); ++i){
+ uart_putc('=');
+ }
+ char str[6]; /* must catch numbers up to 65535 + terminatin \0 */
+ if(keysize_b){
+ uart_putstr_P(PSTR("\r\nKey size: "));
+ utoa(keysize_b, str, 10);
+ uart_putstr(str);
+ uart_putstr_P(PSTR(" bits"));
+ }
+ if(blocksize_b){
+ uart_putstr_P(PSTR("\r\nBlock size: "));
+ utoa(blocksize_b, str, 10);
+ uart_putstr(str);
+ uart_putstr_P(PSTR(" bits"));
+ }
+ if(hashsize_b){
+ uart_putstr_P(PSTR("\r\nHash size: "));
+ utoa(hashsize_b, str, 10);
+ uart_putstr(str);
+ uart_putstr_P(PSTR(" bits"));
+ }
+ if(macsize_b){
+ uart_putstr_P(PSTR("\r\nMac size: "));
+ utoa(macsize_b, str, 10);
+ uart_putstr(str);
+ uart_putstr_P(PSTR(" bits"));
+ }
+ if(ivsize_b){
+ if(ivsize_b==(uint16_t)-1){
+ uart_putstr_P(PSTR("\r\nNo initial value (IV) mode"));
+ }
+ {
+ uart_putstr_P(PSTR("\r\nIV size: "));
+ utoa(ivsize_b, str, 10);
+ uart_putstr(str);
+ uart_putstr_P(PSTR(" bits"));
+ }
+ }
+ uart_putstr_P(PSTR("\r\n"));
+}
+
+void nessie_print_footer(void){
+ uart_putstr_P(PSTR("\r\n\r\n\r\n\r\nEnd of test vectors\r\n\r\n"));
+}
+
projects / avr-crypto-lib.git / blobdiff