mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/*
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*
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* CryptoMemory simulation
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*
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* Copyright (C) 2010, Flavio D. Garcia, Peter van Rossum, Roel Verdult
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* and Ronny Wichers Schreur. Radboud University Nijmegen
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdio.h>
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#include "cryptolib.h"
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#include "util.h"
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#ifdef _MSC_VER
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// avoid scanf warnings in Visual Studio
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#define _CRT_SECURE_NO_WARNINGS
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#define _CRT_SECURE_NO_DEPRECATE
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#endif
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int main(int argc, const char *argv[]) {
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// Cryptomemory state
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crypto_state_t s;
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// Main authentication values
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uint8_t Q[8]; // Reader key-auth random
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uint8_t Gc[8]; // Secret seed
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uint8_t Ci[8]; // Card random (last state)
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uint8_t Ch[8]; // Reader answer (challenge)
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uint8_t Ci_1[8]; // Card answer
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uint8_t Ci_2[8]; // Session key
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// Session authentication values
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uint8_t Qs[8]; // Reader session-auth random
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uint8_t Chs[8]; // Reader session-answer (challenge)
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uint8_t Ci_1s[8]; // Card answer for session
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uint8_t Ci_2s[8]; // Is this used?
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// Various argument options
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uint64_t nGc; // Card secret
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uint64_t nCi; // Card random
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uint64_t nQ; // Reader main-random
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uint64_t nQs; // Reader session-random
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// Show header and help syntax
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printf("CryptoMemory simulator - (c) Radboud University Nijmegen\n");
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if (argc < 5) {
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printf("\nsyntax: cm <Gc> <Ci> <Q> <Q(s)>\n");
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return 1;
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}
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// Parse arguments
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sscanf(argv[1], "%016" SCNx64, &nGc);
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num_to_bytes(nGc, 8, Gc);
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sscanf(argv[2], "%016" SCNx64, &nCi);
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num_to_bytes(nCi, 8, Ci);
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sscanf(argv[3], "%016" SCNx64, &nQ);
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num_to_bytes(nQ, 8, Q);
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sscanf(argv[4], "%016" SCNx64, &nQs);
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num_to_bytes(nQs, 8, Qs);
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// Calculate authentication
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cm_auth(Gc, Ci, Q, Ch, Ci_1, Ci_2, &s);
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printf("\nAuthenticate\n");
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printf(" Gc: ");
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print_bytes(Gc, 8);
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printf(" Ci: ");
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print_bytes(Ci, 8);
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printf(" Q: ");
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print_bytes(Q, 8);
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printf(" Ch: ");
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print_bytes(Ch, 8);
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printf(" Ci+1: ");
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print_bytes(Ci_1, 8);
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printf(" Ci+2: ");
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print_bytes(Ci_2, 8);
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cm_auth(Ci_2, Ci_1, Qs, Chs, Ci_1s, Ci_2s, &s);
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printf("\nVerify Crypto (Session Key)\n");
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printf(" Gc(s): ");
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print_bytes(Ci_2, 8);
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printf(" Ci(s): ");
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print_bytes(Ci_1, 8);
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printf(" Q(s): ");
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print_bytes(Qs, 8);
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printf(" Ch(s): ");
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print_bytes(Chs, 8);
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printf("Ci+1(s): ");
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print_bytes(Ci_1s, 8);
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printf("Ci+2(s): ");
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print_bytes(Ci_2s, 8);
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printf("\n");
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return 0;
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}
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