/* nessie_common.c */
/*
- This file is part of the Crypto-avr-lib/microcrypt-lib.
+ This file is part of the AVR-Crypto-Lib.
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
#include <string.h>
#include <stdint.h>
+#include <stdio.h>
#include <avr/pgmspace.h>
-#include <stdlib.h> /* utoa() */
-#include "uart.h"
+#include "nessie_common.h"
+#include "hexdigit_tab.h"
+
+#define nessie_out_file stdout
+
+void nessie_set_output_stream(FILE* out_stream){
+ nessie_out_file = out_stream;
+}
+
+
+#ifdef NESSIE_ALIVE
+void nessie_send_alive(void){
+ putc(NESSIE_ALIVE_CHAR, nessie_out_file);
+}
+
+void nessie_send_alive_a(uint16_t i){
+ if((i&31)==0)
+ putc(NESSIE_ALIVE_CHAR, nessie_out_file);
+}
+#endif
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]);
+ putc(pgm_read_byte(hexdigit_tab_uc_P + ((block[i]) >> 4)), nessie_out_file);
+ putc(pgm_read_byte(hexdigit_tab_uc_P + ((block[i]) & 0xf)), nessie_out_file);
}
}
#define SPACES 31
#define BYTESPERLINE 16
-void nessie_print_item(char* name, uint8_t* buffer, uint16_t size_B){
+void nessie_print_item(const 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"));
+ name_len = strlen(name);
+ if(name_len > SPACES - 1){
+ fputs_P(PSTR("\n!!! formatting error !!!\n"), nessie_out_file);
return;
}
- uart_putstr_P(PSTR("\r\n"));
- for(i=0; i<SPACES-name_len-1; ++i){
- uart_putc(' ');
+ putc('\n', nessie_out_file);
+ for(i = 0; i < SPACES-name_len - 1; ++i){
+ putc(' ', nessie_out_file);
}
- uart_putstr(name);
- uart_putc('=');
+ fputs(name, stdout);
+ putc('=', nessie_out_file);
/* now the data printing begins */
- if(size_B<=BYTESPERLINE){
+ if(size_B <= BYTESPERLINE){
/* one line seems sufficient */
- nessie_print_block(buffer, size_B*8);
+ nessie_print_block(buffer, size_B * 8);
} else {
/* we need more lines */
- nessie_print_block(buffer, BYTESPERLINE*8); /* first line */
+ 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(' ');
+ putc('\n', nessie_out_file);
+ for(i = 0; i < SPACES; ++i){
+ putc(' ', nessie_out_file);
}
- nessie_print_block(buffer, ((toprint>BYTESPERLINE)?BYTESPERLINE:toprint)*8);
+ 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<1000)?' ':'0'+vector/1000);
- uart_putc((vector<100)?' ':'0'+(vector/100)%10);
- uart_putc((vector<10 )?' ':'0'+(vector/10)%10);
- uart_putc('0'+vector%10);
- uart_putc(':');
+ fprintf_P(nessie_out_file, PSTR("\n\nSet %"PRIu8", vector#%4"PRIu16":"), set, vector);
}
/* example:
=====================
*/
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====================="));
+ fprintf_P(nessie_out_file, PSTR("\r\n\r\nTest vectors -- set %"PRIu8"\n====================="), set);
}
/* example:
Block size: 128 bits
*/
-void nessie_print_header(char* name,
+void nessie_print_header(const 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"));
+ fputs_P(PSTR("\n\n"
+ "********************************************************************************\n"
+ "* AVR-Crypto-Lib - crypto primitives for AVR microcontrollers by Daniel Otte *\n"
+ "********************************************************************************\n\n"),
+ nessie_out_file);
+ fprintf_P(nessie_out_file, PSTR("Primitive Name: %s\n"), name);
/* underline */
for(i=0; i<16+strlen(name); ++i){
- uart_putc('=');
+ putc('=', nessie_out_file);
}
- 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"));
+ fprintf_P(nessie_out_file, PSTR("\nKey size: %"PRIu16" bits"), keysize_b);
}
if(blocksize_b){
- uart_putstr_P(PSTR("\r\nBlock size: "));
- utoa(blocksize_b, str, 10);
- uart_putstr(str);
- uart_putstr_P(PSTR(" bits"));
+ fprintf_P(nessie_out_file, PSTR("\nBlock size: %"PRIu16" bits"), blocksize_b);
}
if(hashsize_b){
- uart_putstr_P(PSTR("\r\nHash size: "));
- utoa(hashsize_b, str, 10);
- uart_putstr(str);
- uart_putstr_P(PSTR(" bits"));
+ fprintf_P(nessie_out_file, PSTR("\nHash size: %"PRIu16" bits"), hashsize_b);
+
}
if(macsize_b){
- uart_putstr_P(PSTR("\r\nMac size: "));
- utoa(macsize_b, str, 10);
- uart_putstr(str);
- uart_putstr_P(PSTR(" bits"));
+ fprintf_P(nessie_out_file, PSTR("\nMac size: %"PRIu16" bits"), macsize_b);
}
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"));
+ fputs_P(PSTR("\nNo initial value (IV) mode"), stdout);
+ }else{
+ fprintf_P(nessie_out_file, PSTR("\nIV size: %"PRIu16" bits"), ivsize_b);
}
}
- uart_putstr_P(PSTR("\r\n"));
+ putc('\n', nessie_out_file);
}
void nessie_print_footer(void){
- uart_putstr_P(PSTR("\r\n\r\n\r\n\r\nEnd of test vectors\r\n\r\n"));
+ puts_P(PSTR("\n\n\n\nEnd of test vectors\n\n"));
}