--- /dev/null
+/* main-dsa-test.c */
+/*
+ This file is part of the ARM-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/>.
+*/
+/*
+ * RSA test-suit
+ *
+*/
+#include "main-test-common.h"
+
+#include "noekeon.h"
+#include "noekeon_prng.h"
+#include "bigint.h"
+#include "bigint_io.h"
+#include "random_dummy.h"
+#include "rsa_basic.h"
+#include "rsaes_pkcs1v15.h"
+
+#include "performance_test.h"
+
+#define DEBUG 0
+
+const char* algo_name = "RSAES-PKCS1V15";
+
+#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
+#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
+
+/*****************************************************************************
+ * additional validation-functions *
+ *****************************************************************************/
+
+/* Modulus: */
+const uint8_t modulus[] PROGMEM = {
+0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
+0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
+0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
+0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
+0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
+0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
+0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
+0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
+};
+
+/* Public exponent: */
+const uint8_t pub_exponent[] PROGMEM = { 0x01, 0x00, 0x01 };
+
+/* Exponent: */
+const uint8_t priv_exponent[] PROGMEM = {
+0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
+0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
+0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
+0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
+0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
+0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
+0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
+0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
+};
+
+/* Prime 1: */
+const uint8_t p[] PROGMEM = {
+0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
+0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
+0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
+0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
+};
+
+/* Prime 2: */
+const uint8_t q[] PROGMEM = {
+0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
+0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
+0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
+0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
+};
+
+/* Prime exponent 1: */
+const uint8_t dp[] PROGMEM = {
+0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
+0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
+0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
+0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
+};
+
+/* Prime exponent 2: */
+const uint8_t dq[] PROGMEM = {
+0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
+0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
+0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
+0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
+};
+
+/* Coefficient: */
+const uint8_t qinv[] PROGMEM = {
+0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
+0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
+0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
+0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
+};
+
+/* PKCS#1 v1.5 encryption of 0x20, random messages with random s0xee,ds
+ * ---------------------------------------------------------------------------
+ */
+
+/* Message: */
+const uint8_t message_x[] PROGMEM = {
+0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23,
+0x97, 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, 0xfe, 0x34
+};
+
+/* Seed: */
+const uint8_t seed_x[] PROGMEM = {
+0x01, 0x73, 0x41, 0xae, 0x38, 0x75, 0xd5, 0xf8, 0x71, 0x01, 0xf8, 0xcc, 0x4f, 0xa9, 0xb9, 0xbc,
+0x15, 0x6b, 0xb0, 0x46, 0x28, 0xfc, 0xcd, 0xb2, 0xf4, 0xf1, 0x1e, 0x90, 0x5b, 0xd3, 0xa1, 0x55,
+0xd3, 0x76, 0xf5, 0x93, 0xbd, 0x73, 0x04, 0x21, 0x08, 0x74, 0xeb, 0xa0, 0x8a, 0x5e, 0x22, 0xbc,
+0xcc, 0xb4, 0xc9, 0xd3, 0x88, 0x2a, 0x93, 0xa5, 0x4d, 0xb0, 0x22, 0xf5, 0x03, 0xd1, 0x63, 0x38,
+0xb6, 0xb7, 0xce, 0x16, 0xdc, 0x7f, 0x4b, 0xbf, 0x9a, 0x96, 0xb5, 0x97, 0x72, 0xd6, 0x60, 0x6e,
+0x97, 0x47, 0xc7, 0x64, 0x9b, 0xf9, 0xe0, 0x83, 0xdb, 0x98, 0x18, 0x84, 0xa9, 0x54, 0xab, 0x3c,
+0x6f };
+
+/* Encryption: */
+const uint8_t encrypted_x[] PROGMEM = {
+0x50, 0xb4, 0xc1, 0x41, 0x36, 0xbd, 0x19, 0x8c, 0x2f, 0x3c, 0x3e, 0xd2, 0x43, 0xfc, 0xe0, 0x36,
+0xe1, 0x68, 0xd5, 0x65, 0x17, 0x98, 0x4a, 0x26, 0x3c, 0xd6, 0x64, 0x92, 0xb8, 0x08, 0x04, 0xf1,
+0x69, 0xd2, 0x10, 0xf2, 0xb9, 0xbd, 0xfb, 0x48, 0xb1, 0x2f, 0x9e, 0xa0, 0x50, 0x09, 0xc7, 0x7d,
+0xa2, 0x57, 0xcc, 0x60, 0x0c, 0xce, 0xfe, 0x3a, 0x62, 0x83, 0x78, 0x9d, 0x8e, 0xa0, 0xe6, 0x07,
+0xac, 0x58, 0xe2, 0x69, 0x0e, 0xc4, 0xeb, 0xc1, 0x01, 0x46, 0xe8, 0xcb, 0xaa, 0x5e, 0xd4, 0xd5,
+0xcc, 0xe6, 0xfe, 0x7b, 0x0f, 0xf9, 0xef, 0xc1, 0xea, 0xbb, 0x56, 0x4d, 0xbf, 0x49, 0x82, 0x85,
+0xf4, 0x49, 0xee, 0x61, 0xdd, 0x7b, 0x42, 0xee, 0x5b, 0x58, 0x92, 0xcb, 0x90, 0x60, 0x1f, 0x30,
+0xcd, 0xa0, 0x7b, 0xf2, 0x64, 0x89, 0x31, 0x0b, 0xcd, 0x23, 0xb5, 0x28, 0xce, 0xab, 0x3c, 0x31
+};
+
+uint8_t keys_allocated = 0;
+rsa_publickey_t pub_key;
+rsa_privatekey_t priv_key;
+
+#if 1
+ #define MSG message_x
+ #define SEED seed_x
+ #define ENCRYPTED encrypted_x
+ #define MODULUS modulus
+ #define PUB_EXPONENT pub_exponent
+ #define PRIV_EXPONENT priv_exponent
+ #define P p
+ #define Q q
+ #define DP dp
+ #define DQ dq
+ #define QINV qinv
+#endif
+
+
+uint8_t convert_nibble(uint8_t c){
+ if(c>='0' && c<='9'){
+ return c - '0';
+ }
+ c |= 'A' ^ 'a';
+ if(c>='a' && c<='f'){
+ return c - 'a' + 10;
+ }
+ return 0xff;
+}
+
+const char *block_ignore_string=" \t\r\n,;";
+#define BUFFER_LIMIT 120
+uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
+ uint16_t counter = 0;
+ uint16_t c;
+ uint8_t v, tmp = 0, idx = 0;
+ if(!ignore_string){
+ ignore_string = block_ignore_string;
+ }
+ while(counter < length){
+ c = cli_getc();
+ if(c > 0xff){
+ return counter;
+ }
+ if(strchr(ignore_string, c)){
+ continue;
+ }
+ v = convert_nibble(c);
+ if(v > 0x0f){
+ return counter;
+ }
+ if(idx){
+ ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
+ idx = 0;
+ if(counter % (BUFFER_LIMIT/2) == 0){
+ cli_putc('.');
+ }
+ }else{
+ tmp = v;
+ idx = 1;
+ }
+ }
+ return counter;
+}
+
+uint16_t own_atou(const char* str){
+ uint16_t r=0;
+ while(*str && *str >= '0' && *str <= '9'){
+ r *= 10;
+ r += *str++ - '0';
+ }
+ return r;
+}
+
+uint8_t read_bigint(bigint_t* a, char* prompt){
+ uint16_t read_length, actual_length;
+ uint8_t off;
+ uint8_t *buffer;
+ char read_int_str[18];
+ cli_putstr(prompt);
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ read_length = own_atou(read_int_str);
+ off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
+ buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
+ if(!buffer){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ memset(buffer, 0, sizeof(bigint_word_t));
+ actual_length = read_os(buffer + off, read_length, NULL);
+ if(actual_length != read_length){
+ cli_putstr_P(PSTR("\r\nERROR: unexpected end of data!"));
+ free(buffer);
+ return 1;
+ }
+ a->wordv = (bigint_word_t*)buffer;
+ a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+uint8_t pre_alloc_key_crt(void){
+ uint8_t c;
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 6;
+ }
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 5;
+ priv_key.components = malloc(5 * sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 3;
+ }
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 4;
+ }
+ for(c=0; c<5; ++c){
+ priv_key.components[c] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[c]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 7+c;
+ }
+ }
+ return 0;
+}
+
+void free_key(void){
+ uint8_t c;
+ for(c = priv_key.n; c > 0 ; --c){
+ free(priv_key.components[c - 1]->wordv);
+ }
+ free(pub_key.exponent->wordv);
+ free(pub_key.modulus->wordv);
+
+ for(c = priv_key.n; c > 0 ; --c){
+ free(priv_key.components[c - 1]);
+ }
+ free(pub_key.exponent);
+ pub_key.exponent = NULL;
+ free(priv_key.components);
+ priv_key.components = NULL;
+ free(pub_key.modulus);
+ pub_key.modulus = priv_key.modulus = NULL;
+ keys_allocated = 0;
+}
+
+uint8_t read_key_crt(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ r = pre_alloc_key_crt();
+ if(r) return r;
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = p (first prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[1],"\r\n = q (second prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[2],"\r\n = dp (p's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[3],"\r\n = dq (q's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[4],"\r\n = qInv (q' coefficient) =");
+
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nmodulus:"));
+ bigint_print_hex(pub_key.modulus);
+ cli_putstr_P(PSTR("\r\npublic exponent:"));
+ bigint_print_hex(pub_key.exponent);
+ cli_putstr_P(PSTR("\r\np:"));
+ bigint_print_hex(priv_key.components[0]);
+ cli_putstr_P(PSTR("\r\nq:"));
+ bigint_print_hex(priv_key.components[1]);
+ cli_putstr_P(PSTR("\r\ndP:"));
+ bigint_print_hex(priv_key.components[2]);
+ cli_putstr_P(PSTR("\r\ndQ:"));
+ bigint_print_hex(priv_key.components[3]);
+ cli_putstr_P(PSTR("\r\nqInv:"));
+ bigint_print_hex(priv_key.components[4]);
+#endif
+ return r;
+}
+
+uint8_t read_key_conv(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 1;
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components = malloc(sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components[0] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[0]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = private exponent =");
+ return r;
+}
+
+void load_priv_conventional(void){
+ bigint_t *epriv;
+ epriv = malloc(sizeof(bigint_t));
+ if(!epriv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t));
+ if(!epriv->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
+ priv_key.components = malloc(sizeof(bigint_t*));
+ priv_key.components[0] = epriv;
+ priv_key.n = 1;
+ bigint_changeendianess(epriv);
+ bigint_adjust(epriv);
+}
+
+
+void load_priv_crt_mono(void){
+ bigint_t **v;
+ const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
+ uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
+ uint8_t i;
+ v = malloc(5 * sizeof(bigint_t));
+ if(!v){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.components = malloc(5*sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.n = 5;
+ for(i=0; i<5; ++i){
+ v[i] = malloc(sizeof(bigint_t));
+ v[i]->info = 0;
+ v[i]->length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ v[i]->wordv = calloc(v[i]->length_B , sizeof(bigint_word_t));
+ if(!v[i]->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(v[i]->wordv, bv[i], sv[i]);
+ bigint_changeendianess(v[i]);
+ bigint_adjust(v[i]);
+ priv_key.components[i] = v[i];
+ }
+}
+
+uint8_t load_bigint_from_os(bigint_t* a, PGM_VOID_P os, uint16_t length_B){
+ a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
+ a->wordv = malloc(BIGINT_CEIL(length_B));
+ if(!a->wordv){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return 1;
+ }
+ memset(a->wordv, 0, sizeof(bigint_word_t));
+ memcpy_P((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+void load_fix_rsa(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+
+ if(pre_alloc_key_crt()){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return;
+ }
+
+ load_bigint_from_os(pub_key.modulus, MODULUS, sizeof(MODULUS));
+ load_bigint_from_os(pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
+ priv_key.n = 5;
+ load_bigint_from_os(priv_key.components[0], P, sizeof(P));
+ load_bigint_from_os(priv_key.components[1], Q, sizeof(Q));
+ load_bigint_from_os(priv_key.components[2], DP, sizeof(DP));
+ load_bigint_from_os(priv_key.components[3], DQ, sizeof(DQ));
+ load_bigint_from_os(priv_key.components[4], QINV, sizeof(QINV));
+
+// load_priv_conventional();
+// load_priv_crt_mono();
+}
+
+void quick_test(void){
+ uint8_t *ciphertext, *plaintext, rc;
+ uint8_t seed[sizeof(SEED)], seed_out[sizeof(SEED)];
+ uint16_t clen, plen;
+ if(!keys_allocated){
+ load_fix_rsa();
+ }
+ ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t));
+ plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t));
+ memcpy_P(plaintext, MSG, sizeof(MSG));
+ memcpy_P(seed, SEED, sizeof(SEED));
+ cli_putstr_P(PSTR("\r\nplaintext:"));
+ cli_hexdump_block(plaintext, sizeof(MSG), 4, 16);
+ cli_putstr_P(PSTR("\r\nseed:"));
+ cli_hexdump_block(seed, sizeof(SEED), 4, 16);
+ cli_putstr_P(PSTR("\r\nencrypting: ..."));
+
+ rc = rsa_encrypt_pkcs1v15(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, seed);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_encrypt_pkcs1v15 returned: "));
+ cli_hexdump_byte(rc);
+ return;
+
+ }
+
+ cli_putstr_P(PSTR("\r\n\r\nciphertext:"));
+ cli_hexdump_block(ciphertext, clen, 4, 16);
+ if(clen!=sizeof(ENCRYPTED)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no size match)<<"));
+ }else{
+ if(memcmp_P(ciphertext, ENCRYPTED, clen)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no content match)<<"));
+ }else{
+ cli_putstr_P(PSTR("\r\n>>OK<<"));
+ }
+ }
+
+ cli_putstr_P(PSTR("\r\ndecrypting: ..."));
+ rc = rsa_decrypt_pkcs1v15(plaintext, &plen, ciphertext, clen, &priv_key, seed_out);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_decrypt_pkcs1v15 returned: "));
+ cli_hexdump_byte(rc);
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n\r\nplaintext:"));
+ cli_hexdump_block(plaintext, plen, 4, 16);
+ cli_putstr_P(PSTR("\r\n\r\nseed (out):"));
+ cli_hexdump_block(seed_out, sizeof(SEED), 4, 16);
+
+ free(ciphertext);
+ free(plaintext);
+}
+
+void run_seed_test(void){
+ uint8_t *msg, *ciph, *msg_;
+ uint16_t ciph_len, msg_len;
+ uint16_t msg_len_;
+ uint16_t seed_len;
+ uint8_t *seed, *seed_out;
+ char read_int_str[18];
+ cli_putstr_P(PSTR("\r\n== test with given seed =="));
+ cli_putstr_P(PSTR("\r\n = message ="));
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ msg_len = own_atou(read_int_str);
+ seed_len = rsa_pkcs1v15_compute_padlength_B(pub_key.modulus, msg_len);
+ seed = malloc(seed_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @seed: 0x"));
+ cli_hexdump_rev(&seed, 2);
+#endif
+ if(!seed){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ seed_out = malloc(seed_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @seed_out: 0x"));
+ cli_hexdump_rev(&seed_out, 2);
+#endif
+ if(!seed_out){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ msg = malloc(msg_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @msg: 0x"));
+ cli_hexdump_rev(&msg, 2);
+#endif
+ if(!msg){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ ciph = malloc(bigint_length_B(pub_key.modulus));
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @ciph: 0x"));
+ cli_hexdump_rev(&ciph, 2);
+#endif
+ if(!ciph){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ msg_ = malloc(bigint_length_B(pub_key.modulus) + sizeof(bigint_word_t));
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @msg_: 0x"));
+ cli_hexdump_rev(&msg_, 2);
+#endif
+ if(!msg_){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ read_os(msg, msg_len, NULL);
+ cli_putstr_P(PSTR("\r\n seed (0x"));
+ cli_hexdump_rev(&seed_len, 2);
+ cli_putstr_P(PSTR(" bytes): "));
+ read_os(seed, seed_len, NULL);
+
+ cli_putstr_P(PSTR("\r\n encrypting ..."));
+/*
+ cli_putstr_P(PSTR("\r\n plaintext:"));
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ cli_putstr_P(PSTR("\r\n seed:"));
+ cli_hexdump_block(seed, seed_len, 4, 16);
+*/
+#if DEBUG
+ cli_putstr_P(PSTR("\r\n first prime:"));
+ bigint_print_hex(priv_key.components[0]);
+#endif
+ rsa_encrypt_pkcs1v15(ciph, &ciph_len, msg, msg_len, &pub_key, seed);
+ cli_putstr_P(PSTR("\r\n ciphertext:"));
+ cli_hexdump_block(ciph, ciph_len, 4, 16);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\n first prime:"));
+ bigint_print_hex(priv_key.components[0]);
+#endif
+ cli_putstr_P(PSTR("\r\n decrypting ... "));
+
+ rsa_decrypt_pkcs1v15(msg_, &msg_len_, ciph, ciph_len, &priv_key, seed_out);
+
+ cli_putstr_P(PSTR("[done]"));
+ if(msg_len != msg_len_){
+ char tstr[16];
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message length ("));
+ itoa(msg_len_, tstr, 10);
+ cli_putstr(tstr);
+ cli_putstr_P(PSTR(" instead of "));
+ itoa(msg_len, tstr, 10);
+ cli_putstr(tstr);
+ cli_putc(')');
+ goto end;
+ }
+ if(memcmp(msg, msg_, msg_len)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message:"));
+ cli_hexdump_block(msg_, msg_len_, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ goto end;
+ }
+
+ if(memcmp(seed, seed_out, seed_len)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted seed:"));
+ cli_hexdump_block(seed_out, seed_len, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(seed, seed_len, 4, 16);
+ goto end;
+ }
+
+ cli_putstr_P(PSTR("\r\n >>OK<<"));
+end:
+ free(msg_);
+ free(ciph);
+ free(msg);
+ free(seed_out);
+ free(seed);
+}
+
+void reset_prng(void){
+ uint8_t buf[16];
+ memset(buf, 0, 16);
+ random_seed(buf);
+ cli_putstr_P(PSTR("\r\nPRNG reset"));
+}
+
+void rsa_init(void){
+ prng_get_byte = random8;
+}
+
+void load_key(void){
+ uint8_t r;
+ if(keys_allocated){
+ cli_putstr_P(PSTR("\r\nDBG: freeing old keys"));
+ free_key();
+ }
+ keys_allocated = 1;
+ r = read_key_crt();
+ if(r){
+ cli_putstr_P(PSTR("\r\nERROR: read_key_crt returned 0x"));
+ cli_hexdump_byte(r);
+ }
+}
+
+void test_dump(void){
+ char lstr[16];
+ int len;
+ cli_putstr_P(PSTR("\r\nenter dump length: "));
+ cli_getsn_cecho(lstr, 15);
+ len = own_atou(lstr);
+ cli_putstr_P(PSTR("\r\ndumping 0x"));
+ cli_hexdump_rev(&len, 2);
+ cli_putstr_P(PSTR(" byte:"));
+ cli_hexdump_block(pub_key.modulus->wordv, len, 4, 8);
+}
+
+/*****************************************************************************
+ * main *
+ *****************************************************************************/
+
+const char echo_test_str[] PROGMEM = "echo-test";
+const char reset_prng_str[] PROGMEM = "reset-prng";
+const char load_key_str[] PROGMEM = "load-key";
+const char load_fix_key_str[] PROGMEM = "load-fix-key";
+const char quick_test_str[] PROGMEM = "quick-test";
+const char seed_test_str[] PROGMEM = "seed-test";
+const char dump_test_str[] PROGMEM = "dump-test";
+const char performance_str[] PROGMEM = "performance";
+const char echo_str[] PROGMEM = "echo";
+
+const cmdlist_entry_t cmdlist[] PROGMEM = {
+ { reset_prng_str, NULL, reset_prng },
+ { load_key_str, NULL, load_key },
+ { load_fix_key_str, NULL, load_fix_rsa },
+ { quick_test_str, NULL, quick_test },
+ { seed_test_str, NULL, run_seed_test },
+ { dump_test_str, NULL, test_dump },
+// { performance_str, NULL, testrun_performance_bigint },
+ { echo_str, (void*)1, (void_fpt)echo_ctrl },
+ { NULL, NULL, NULL }
+};
+
+void dump_sp(void){
+ uint8_t x;
+ uint8_t *xa = &x;
+ cli_putstr_P(PSTR("\r\nstack pointer: ~"));
+ cli_hexdump_rev(&xa, 4);
+}
+
+int main (void){
+ main_setup();
+
+ for(;;){
+ welcome_msg(algo_name);
+ rsa_init();
+ cmd_interface(cmdlist);
+ }
+}
projects / avr-crypto-lib.git / blobdiff