--- /dev/null
+/* main-dsa-test.c */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2010 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/>.
+*/
+/*
+ * DSA test-suit
+ *
+*/
+
+#include "config.h"
+
+#include "uart_i.h"
+#include "debug.h"
+
+#include "noekeon.h"
+#include "noekeon_prng.h"
+#include "bigint.h"
+#include "bigint_io.h"
+#include "dsa.h"
+#include "dsa_key_blob.h"
+
+#include "cli.h"
+#include "performance_test.h"
+#include "hfal_sha1.h"
+#include "base64_enc.h"
+#include "base64_dec.h"
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+char* algo_name = "DSA";
+
+/*****************************************************************************
+ * additional validation-functions *
+ *****************************************************************************/
+
+dsa_ctx_t dsa_ctx;
+
+void load_fix_dsa(void){
+ load_dsa_key_blob(&dsa_ctx);
+}
+
+void dsa_print_item(bigint_t* a, PGM_P pstr){
+ uint8_t *p;
+ cli_putstr_P(PSTR("\r\n"));
+ cli_putstr_P(pstr);
+ cli_putstr_P(PSTR(": "));
+ uint16_t i;
+ p = a->wordv + a->length_B -1;
+ for(i=0; i<a->length_B-1; ++i){
+ if(i%16==0){
+ cli_putstr_P(PSTR("\r\n "));
+ }
+ cli_hexdump(p, 1);
+ cli_putc(':');
+ --p;
+ }
+ if(i%16==0){
+ cli_putstr_P(PSTR("\r\n "));
+ }
+ cli_hexdump(p, 1);
+}
+
+void dsa_print_signature_b64(dsa_signature_t* s){
+ uint16_t size_r, size_s, size_o, i,j;
+ size_r = s->r.length_B +2;
+ size_s = s->s.length_B +2;
+ size_o = size_r + size_s +2;
+ uint8_t bin_b[size_o];
+ bin_b[0] = 0x30;
+ bin_b[1] = size_o -2;
+ bin_b[2] = 0x02;
+ bin_b[3] = size_r-2;
+ j=4;
+ for(i=s->r.length_B; i>0; --i){
+ bin_b[j++] = s->r.wordv[i-1];
+ }
+ bin_b[j++] = 0x02;
+ bin_b[j++] = size_s -2;
+ for(i=s->s.length_B; i>0; --i){
+ bin_b[j++] = s->s.wordv[i-1];
+ }
+ char b64_b[size_o*4/3+5];
+ base64enc(b64_b, bin_b, size_o);
+ cli_putstr(b64_b);
+}
+
+void dsa_print_ctx(dsa_ctx_t* ctx){
+ dsa_print_item(&(ctx->priv), PSTR("private"));
+ dsa_print_item(&(ctx->pub), PSTR("public"));
+ dsa_print_item(&(ctx->domain.p), PSTR("P"));
+ dsa_print_item(&(ctx->domain.q), PSTR("Q"));
+ dsa_print_item(&(ctx->domain.g), PSTR("G"));
+}
+
+void dsa_print_signature(const dsa_signature_t* sig){
+ cli_putstr_P(PSTR("\r\nDSA-Signature:\r\n r:"));
+ bigint_print_hex(&(sig->r));
+ cli_putstr_P(PSTR("\r\n s:"));
+ bigint_print_hex(&(sig->s));
+}
+
+void quick_test(void){
+ dsa_signature_t dsa_sig;
+ uint8_t i, t=0, message[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef};
+ load_fix_dsa();
+ uint8_t dsa_sig_s_b[dsa_ctx.domain.q.length_B],
+ dsa_sig_r_b[dsa_ctx.domain.q.length_B];
+ dsa_print_ctx(&dsa_ctx);
+ dsa_sig.r.wordv = dsa_sig_r_b;
+ dsa_sig.s.wordv = dsa_sig_s_b;
+ cli_putstr_P(PSTR("\r\n\r\n=== DSA QUICK TEST ==="));
+ for(i=0; i<8; ++i){
+ cli_putstr_P(PSTR("\r\n"));
+ cli_putc('1'+i);
+ cli_putstr_P(PSTR(": message: "));
+ if (i){
+ cli_hexdump(message, i);
+ }else{
+ cli_putstr_P(PSTR("<empty>"));
+ }
+ cli_putstr_P(PSTR("\r\n computing signature ... "));
+ dsa_sign_message(&dsa_sig, message, i*8, &sha1_desc, &dsa_ctx, random8);
+ dsa_print_signature(&dsa_sig);
+ cli_putstr_P(PSTR("\r\n base64:\r\n--- SIGNATURE ---\r\n "));
+ dsa_print_signature_b64(&dsa_sig);
+ cli_putstr_P(PSTR("\r\n verifying signature ... "));
+ t = dsa_verify_message(&dsa_sig, message, i*8, &sha1_desc, &dsa_ctx);
+ cli_putstr_P(PSTR("\r\n verification: "));
+ if(t==DSA_SIGNATURE_OK){
+ cli_putstr_P(PSTR("[PASS]"));
+ }else{
+ cli_putstr_P(PSTR("[FAIL]"));
+ }
+ }
+}
+
+void reset_prng(void){
+ uint8_t buf[16];
+ memset(buf, 0, 16);
+ random_seed(buf);
+ cli_putstr_P(PSTR("\r\nPRNG reset"));
+}
+
+void testrun_performance_bigint(void){
+
+}
+/*****************************************************************************
+ * main *
+ *****************************************************************************/
+
+const char echo_test_str[] PROGMEM = "echo-test";
+const char reset_prng_str[] PROGMEM = "reset-prng";
+const char quick_test_str[] PROGMEM = "quick-test";
+const char performance_str[] PROGMEM = "performance";
+const char echo_str[] PROGMEM = "echo";
+
+cmdlist_entry_t cmdlist[] PROGMEM = {
+ { reset_prng_str, NULL, reset_prng },
+ { quick_test_str, NULL, quick_test },
+ { performance_str, NULL, testrun_performance_bigint },
+ { echo_str, (void*)1, (void_fpt)echo_ctrl },
+ { NULL, NULL, NULL }
+};
+
+int main (void){
+ DEBUG_INIT();
+
+ cli_rx = (cli_rx_fpt)uart0_getc;
+ cli_tx = (cli_tx_fpt)uart0_putc;
+ for(;;){
+ cli_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
+ cli_putstr(algo_name);
+ cli_putstr_P(PSTR(")\r\nloaded and running\r\n"));
+ cmd_interface(cmdlist);
+ }
+}
projects / avr-crypto-lib.git / blobdiff