]> git.cryptolib.org Git - avr-crypto-lib.git/blobdiff - test_src/main-bigint-test.c
switching to new main-*-test layout and to stdio streams
[avr-crypto-lib.git] / test_src / main-bigint-test.c
index 85bcb09a0a9fd6290225c7847de63693650524fb..00baffc69881027a4fc69db498ea235413f36ec1 100644 (file)
@@ -1,7 +1,7 @@
-/* main-base64-test.c */
+/* main-bigint-test.c */
 /*
     This file is part of the AVR-Crypto-Lib.
-    Copyright (C) 2008, 2009  Daniel Otte (daniel.otte@rub.de)
+    Copyright (C) 2008, 2009, 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
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 /*
- * base64 test-suit
+ * bigint test-suit
  * 
 */
 
-#include "config.h"
-
-#include "uart_i.h"
-#include "debug.h"
+#include "main-test-common.h"
 
 #include "noekeon.h"
 #include "noekeon_prng.h"
 #include "bigint.h"
 #include "bigint_io.h"
 
-#include "cli.h"
 #include "performance_test.h"
 
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-
 char* algo_name = "BigInt";
 
 /*****************************************************************************
@@ -97,6 +89,60 @@ void test_add_bigint(void){
        }
 }
 
+void test_add_scale_bigint(void){
+       bigint_t a, b, c;
+       uint16_t scale;
+       cli_putstr_P(PSTR("\r\nadd-scale test\r\n"));
+       for(;;){
+               cli_putstr_P(PSTR("\r\nenter a:"));
+               if(bigint_read_hex_echo(&a)){
+                       cli_putstr_P(PSTR("\r\n end add-scale test"));
+                       return;
+               }
+               cli_putstr_P(PSTR("\r\nenter b:"));
+               if(bigint_read_hex_echo(&b)){
+                       cli_putstr_P(PSTR("\r\n end add-scale test"));
+                       return;
+               }
+               cli_putstr_P(PSTR("\r\nenter scale:"));
+               {
+                       char str[8];
+                       cli_getsn_cecho(str, 7);
+                       scale = atoi(str);
+               }
+       /*
+               if(bigint_read_hex_echo(&scale)){
+                       free(scale.wordv);
+                       cli_putstr_P(PSTR("\r\n end add test"));
+                       return;
+               }
+       */
+               uint8_t *c_b;
+               c_b = malloc(((a.length_B>(b.length_B+scale))?a.length_B:(b.length_B+scale))+2);
+               if(c_b==NULL){
+                       cli_putstr_P(PSTR("\n\rERROR: Out of memory!"));
+                       free(a.wordv);
+                       free(b.wordv);
+                       continue;
+               }
+               c.wordv = c_b;
+               bigint_copy(&c, &a);
+               bigint_add_scale_u(&c, &b, scale);
+               cli_putstr_P(PSTR("\r\n "));
+               bigint_print_hex(&a);
+               cli_putstr_P(PSTR(" + "));
+               bigint_print_hex(&b);
+               cli_putstr_P(PSTR("<<8*"));
+               cli_hexdump_rev(&scale, 2);
+               cli_putstr_P(PSTR(" = "));
+               bigint_print_hex(&c);
+               cli_putstr_P(PSTR("\r\n"));
+               free(a.wordv);
+               free(b.wordv);
+               free(c_b);
+       }
+}
+
 void test_mul_bigint(void){
        bigint_t a, b, c;
        cli_putstr_P(PSTR("\r\nmul test\r\n"));
@@ -164,7 +210,7 @@ void test_square_bigint(void){
 }
 
 void test_reduce_bigint(void){
-       bigint_t a, b, c;
+       bigint_t a, b;
        cli_putstr_P(PSTR("\r\nreduce test\r\n"));
        for(;;){
                cli_putstr_P(PSTR("\r\nenter a:"));
@@ -190,6 +236,97 @@ void test_reduce_bigint(void){
                free(b.wordv);
        }
 }
+/* d = a**b % c */
+void test_expmod_bigint(void){
+       bigint_t a, b, c, d;
+       uint8_t *d_b;
+       cli_putstr_P(PSTR("\r\nreduce test\r\n"));
+       for(;;){
+               cli_putstr_P(PSTR("\r\nenter a:"));
+               if(bigint_read_hex_echo(&a)){
+                       cli_putstr_P(PSTR("\r\n end expmod test"));
+                       return;
+               }
+               cli_putstr_P(PSTR("\r\nenter b:"));
+               if(bigint_read_hex_echo(&b)){
+                       free(a.wordv);
+                       cli_putstr_P(PSTR("\r\n end expmod test"));
+                       return;
+               }
+               cli_putstr_P(PSTR("\r\nenter c:"));
+               if(bigint_read_hex_echo(&c)){
+                       free(a.wordv);
+                       free(b.wordv);
+                       cli_putstr_P(PSTR("\r\n end expmod test"));
+                       return;
+               }
+               d_b = malloc(c.length_B);
+               if(d_b==NULL){
+                       cli_putstr_P(PSTR("\n\rERROR: Out of memory!"));
+                       free(a.wordv);
+                       free(b.wordv);
+                       free(c.wordv);
+                       continue;
+               }
+               d.wordv = d_b;
+               cli_putstr_P(PSTR("\r\n "));
+               bigint_print_hex(&a);
+               cli_putstr_P(PSTR("**"));
+               bigint_print_hex(&b);
+               cli_putstr_P(PSTR(" % "));
+               bigint_print_hex(&c);
+               cli_putstr_P(PSTR(" = "));
+               bigint_expmod_u(&d, &a, &b, &c);
+               bigint_print_hex(&d);
+               cli_putstr_P(PSTR("\r\n"));
+               free(a.wordv);
+               free(b.wordv);
+               free(c.wordv);
+               free(d.wordv);
+
+       }
+}
+
+void test_gcdext_bigint(void){
+       bigint_t a, b, c, d, e;
+       cli_putstr_P(PSTR("\r\ngcdext test\r\n"));
+       for(;;){
+               cli_putstr_P(PSTR("\r\nenter a:"));
+               if(bigint_read_hex_echo(&a)){
+                       cli_putstr_P(PSTR("\r\n end gcdext test"));
+                       return;
+               }
+               cli_putstr_P(PSTR("\r\nenter b:"));
+               if(bigint_read_hex_echo(&b)){
+                       free(a.wordv);
+                       cli_putstr_P(PSTR("\r\n end gcdext test"));
+                       return;
+               }
+               c.wordv = malloc((a.length_B<b.length_B)?a.length_B:b.length_B);
+               d.wordv = malloc(1+(a.length_B>b.length_B)?a.length_B:b.length_B);
+               e.wordv = malloc(1+(a.length_B>b.length_B)?a.length_B:b.length_B);
+
+               cli_putstr_P(PSTR("\r\n gcdext( "));
+               bigint_print_hex(&a);
+               cli_putstr_P(PSTR(", "));
+               bigint_print_hex(&b);
+               cli_putstr_P(PSTR(") => "));
+               bigint_gcdext(&c, &d, &e, &a, &b);
+               cli_putstr_P(PSTR("a = "));
+               bigint_print_hex(&d);
+               cli_putstr_P(PSTR("; b = "));
+               bigint_print_hex(&e);
+               cli_putstr_P(PSTR("; gcd = "));
+               bigint_print_hex(&c);
+
+               cli_putstr_P(PSTR("\r\n"));
+               free(a.wordv);
+               free(b.wordv);
+               free(c.wordv);
+               free(d.wordv);
+               free(e.wordv);
+       }
+}
 
 void test_simple(void){
        bigint_t a, b, c;
@@ -255,7 +392,7 @@ void test_mul_simple(void){
 
 // f4 b86a 2220 0774 437d 70e6 **2 = e9f00f29ca1c876a7a682bd1e04f6925caffd6660ea4
 /*
-uint8_t square_test_data[] PROGMEM = {
+const uint8_t square_test_data[] PROGMEM = {
        0xA0, 0x3C, 0x23, 0x9F, 0x7A, 0xFC, 0x60, 0xEB, 0x96, 0xC2, 0xA8, 0xAC, 0xC3, 0xC9, 0x9E, 0xEC,
        0x4A, 0xF0, 0x1C, 0xB2, 0x36, 0x68, 0xD6, 0x4D, 0x3E, 0x4F, 0x8E, 0x55, 0xEA, 0x52, 0x46, 0x68,
        0x6E, 0x18, 0x88, 0x37, 0x03, 0x70, 0xBD, 0x01, 0x60, 0xE2, 0xD6, 0x12, 0xA0, 0x0E, 0xD2, 0x72,
@@ -317,6 +454,39 @@ void test_reduce_simple(void){
        bigint_print_hex(&c);
 }
 
+/*  gcdext( B5DDAD, 6CBBC2) */
+/*  gcdext( CD319349, 9EFD76CC) */
+/*  gcdext( 1609000771, 6FAC577D72) */
+/*  */
+void test_gcdext_simple(void){
+       bigint_t a, b, c, d, e;
+
+       uint8_t a_b[5] = {0x71, 0x07, 0x00, 0x09, 0x16};
+       uint8_t b_b[5] = {0x72, 0x7D, 0x57, 0xAC, 0X6F};
+       uint8_t c_b[6], d_b[6], e_b[6];
+       a.wordv=a_b;
+       a.length_B = 5;
+       a.info=0x00;
+       bigint_adjust(&a);
+       b.wordv=b_b;
+       b.length_B = 5;
+       b.info=0x00;
+       bigint_adjust(&b);
+       c.wordv = c_b;
+       d.wordv = d_b;
+       e.wordv = e_b;
+       bigint_gcdext(&c, &d, &e, &a, &b);
+       cli_putstr_P(PSTR("\r\n test: gcd( "));
+       bigint_print_hex(&a);
+       cli_putstr_P(PSTR(", "));
+       bigint_print_hex(&b);
+       cli_putstr_P(PSTR(") => a =  "));
+       bigint_print_hex(&d);
+       cli_putstr_P(PSTR("; b =  "));
+       bigint_print_hex(&e);
+       cli_putstr_P(PSTR("; gcd =  "));
+       bigint_print_hex(&c);
+}
 
 void testrun_performance_bigint(void){
 
@@ -327,19 +497,25 @@ void testrun_performance_bigint(void){
 
 const char echo_test_str[]        PROGMEM = "echo-test";
 const char add_test_str[]         PROGMEM = "add-test";
+const char add_scale_test_str[]   PROGMEM = "add-scale-test";
 const char mul_test_str[]         PROGMEM = "mul-test";
 const char square_test_str[]      PROGMEM = "square-test";
 const char reduce_test_str[]      PROGMEM = "reduce-test";
+const char expmod_test_str[]      PROGMEM = "expmod-test";
+const char gcdext_test_str[]      PROGMEM = "gcdext-test";
 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 = {
+const cmdlist_entry_t cmdlist[] PROGMEM = {
        { add_test_str,         NULL, test_add_bigint               },
+       { add_scale_test_str,   NULL, test_add_scale_bigint         },
        { mul_test_str,         NULL, test_mul_bigint               },
        { square_test_str,      NULL, test_square_bigint            },
        { reduce_test_str,      NULL, test_reduce_bigint            },
-       { quick_test_str,       NULL, test_reduce_simple            },
+       { expmod_test_str,      NULL, test_expmod_bigint            },
+       { gcdext_test_str,      NULL, test_gcdext_bigint            },
+       { quick_test_str,       NULL, test_gcdext_simple            },
        { echo_test_str,        NULL, test_echo_bigint              },
        { performance_str,      NULL, testrun_performance_bigint    },
        { echo_str,         (void*)1, (void_fpt)echo_ctrl           },
@@ -347,14 +523,10 @@ cmdlist_entry_t cmdlist[] PROGMEM = {
 };
 
 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"));
+    main_setup();
+
+    for(;;){
+        welcome_msg(algo_name);
                cmd_interface(cmdlist);
        }
 }