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added the securememory simulator_recovery code by @Roel et al

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iceman1001 2020-08-19 15:24:32 +02:00
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/*
*
* SecureMemory simulation
*
* Copyright (C) 2010, Flavio D. Garcia, Peter van Rossum, Roel Verdult
* and Ronny Wichers Schreur. Radboud University Nijmegen
*
* 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/>.
*
*/
#include "defines.h"
#include "cryptolib.h"
#include "util.h"
#include <stdio.h>
int main(int argc, const char* argv[])
{
// Cryptomemory state
crypto_state_t s;
size_t pos;
byte_t Q[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // Reader random
byte_t Gc[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // Secret seed
byte_t Ci[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // Card random (last state)
byte_t Ch[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // Reader answer
byte_t Ci_1[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // Card answer
// Various argument options
ui64 nGc; // Card secret
ui64 nCi; // Card random
ui64 nQ; // Reader main-random
// Show header and help syntax
printf("SecureMemory simulator - (c) Radboud University Nijmegen\n");
if (argc < 4)
{
printf("\nsyntax: sm <Gc> <Ci> <Q>\n");
return 1;
}
// Parse arguments
sscanf(argv[1],"%016llx",&nGc); num_to_bytes(nGc,8,Gc);
sscanf(argv[2],"%016llx",&nCi); num_to_bytes(nCi,8,Ci);
sscanf(argv[3],"%016llx",&nQ); num_to_bytes(nQ,8,Q);
// Calculate authentication
sm_auth(Gc,Ci,Q,Ch,Ci_1,&s);
printf("\nAuthentication info\n\n");
printf(" Gc: "); print_bytes(Gc,8);
printf(" Ci: "); print_bytes(Ci,8);
printf(" Q: "); print_bytes(Q,8);
printf(" Ch: "); print_bytes(Ch,8);
printf("Ci+1: "); print_bytes(Ci_1,8);
printf("\n");
printf(" Ks: ");
for (pos=0; pos<8; pos++)
{
printf("%02x ",Ci_1[pos]);
printf("%02x ",Ch[pos]);
}
printf("\n\n");
return 0;
}