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cryptorf: style

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Philippe Teuwen 2020-08-19 22:19:46 +02:00
commit b134753a08
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132
tools/cryptorf/cm.c
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@ -1,9 +1,9 @@
/*
*
*
* CryptoMemory simulation
*
* Copyright (C) 2010, Flavio D. Garcia, Peter van Rossum, Roel Verdult
* and Ronny Wichers Schreur. Radboud University Nijmegen
* 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
@ -17,7 +17,7 @@
*
* 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 <inttypes.h>
@ -26,71 +26,85 @@
#include "cryptolib.h"
#include "util.h"
#ifdef _MSC_VER
// avoid scanf warnings in Visual Studio
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
// avoid scanf warnings in Visual Studio
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
#endif
int main(int argc, const char* argv[])
{
// Cryptomemory state
crypto_state_t s;
int main(int argc, const char *argv[]) {
// Cryptomemory state
crypto_state_t s;
// Main authentication values
uint8_t Q[8]; // Reader key-auth random
uint8_t Gc[8]; // Secret seed
uint8_t Ci[8]; // Card random (last state)
uint8_t Ch[8]; // Reader answer (challenge)
uint8_t Ci_1[8]; // Card answer
uint8_t Ci_2[8]; // Session key
// Session authentication values
uint8_t Qs[8]; // Reader session-auth random
uint8_t Chs[8]; // Reader session-answer (challenge)
uint8_t Ci_1s[8]; // Card answer for session
uint8_t Ci_2s[8]; // Is this used?
// Main authentication values
uint8_t Q[8]; // Reader key-auth random
uint8_t Gc[8]; // Secret seed
uint8_t Ci[8]; // Card random (last state)
uint8_t Ch[8]; // Reader answer (challenge)
uint8_t Ci_1[8]; // Card answer
uint8_t Ci_2[8]; // Session key
// Various argument options
uint64_t nGc; // Card secret
uint64_t nCi; // Card random
uint64_t nQ; // Reader main-random
uint64_t nQs; // Reader session-random
// Session authentication values
uint8_t Qs[8]; // Reader session-auth random
uint8_t Chs[8]; // Reader session-answer (challenge)
uint8_t Ci_1s[8]; // Card answer for session
uint8_t Ci_2s[8]; // Is this used?
// 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;
}
// Various argument options
uint64_t nGc; // Card secret
uint64_t nCi; // Card random
uint64_t nQ; // Reader main-random
uint64_t nQs; // Reader session-random
// Parse arguments
sscanf(argv[1],"%016" SCNx64,&nGc); num_to_bytes(nGc,8,Gc);
sscanf(argv[2],"%016" SCNx64,&nCi); num_to_bytes(nCi,8,Ci);
sscanf(argv[3],"%016" SCNx64,&nQ); num_to_bytes(nQ,8,Q);
sscanf(argv[4],"%016" SCNx64,&nQs); num_to_bytes(nQs,8,Qs);
// 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;
}
// Calculate authentication
cm_auth(Gc,Ci,Q,Ch,Ci_1,Ci_2,&s);
// Parse arguments
sscanf(argv[1], "%016" SCNx64, &nGc);
num_to_bytes(nGc, 8, Gc);
sscanf(argv[2], "%016" SCNx64, &nCi);
num_to_bytes(nCi, 8, Ci);
sscanf(argv[3], "%016" SCNx64, &nQ);
num_to_bytes(nQ, 8, Q);
sscanf(argv[4], "%016" SCNx64, &nQs);
num_to_bytes(nQs, 8, Qs);
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);
// Calculate authentication
cm_auth(Gc, Ci, Q, Ch, Ci_1, Ci_2, &s);
cm_auth(Ci_2,Ci_1,Qs,Chs,Ci_1s,Ci_2s,&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);
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);
cm_auth(Ci_2, Ci_1, Qs, Chs, Ci_1s, Ci_2s, &s);
printf("\n");
return 0;
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;
}