github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-21 13:53:55 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

added the securememory simulator_recovery code by @Roel et al

Browse source
This commit is contained in:
iceman1001 2020-08-19 15:24:32 +02:00
commit 073e79553e
13 changed files with 3062 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

89
tools/cryptorf/cm.c Normal file
View file

@ -0,0 +1,89 @@
/*
*
* CryptoMemory 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"
int main(int argc, const char* argv[])
{
// Cryptomemory state
crypto_state_t s;
// Main authentication values
byte_t Q[8]; // Reader key-auth random
byte_t Gc[8]; // Secret seed
byte_t Ci[8]; // Card random (last state)
byte_t Ch[8]; // Reader answer (challenge)
byte_t Ci_1[8]; // Card answer
byte_t Ci_2[8]; // Session key
// Session authentication values
byte_t Qs[8]; // Reader session-auth random
byte_t Chs[8]; // Reader session-answer (challenge)
byte_t Ci_1s[8]; // Card answer for session
byte_t Ci_2s[8]; // Is this used?
// Various argument options
ui64 nGc; // Card secret
ui64 nCi; // Card random
ui64 nQ; // Reader main-random
ui64 nQs; // Reader session-random
// Show header and help syntax
printf("CryptoMemory simulator - (c) Radboud University Nijmegen\n");
if (argc < 5)
{
printf("\nsyntax: cm <Gc> <Ci> <Q> <Q(s)>\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);
sscanf(argv[4],"%016llx",&nQs); num_to_bytes(nQs,8,Qs);
// Calculate authentication
cm_auth(Gc,Ci,Q,Ch,Ci_1,Ci_2,&s);
printf("\nAuthenticate\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(" Ci+2: "); print_bytes(Ci_2,8);
cm_auth(Ci_2,Ci_1,Qs,Chs,Ci_1s,Ci_2s,&s);
printf("\nVerify Crypto (Session Key)\n");
printf(" Gc(s): "); print_bytes(Ci_2,8);
printf(" Ci(s): "); print_bytes(Ci_1,8);
printf(" Q(s): "); print_bytes(Qs,8);
printf(" Ch(s): "); print_bytes(Chs,8);
printf("Ci+1(s): "); print_bytes(Ci_1s,8);
printf("Ci+2(s): "); print_bytes(Ci_2s,8);
printf("\n");
return 0;
}