--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2014 Andy Davies
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency MIFARE commands
+//-----------------------------------------------------------------------------
+
+#include "cmdhfmf.h"
+#include "util.h"
+#include <openssl/des.h>
+#include <openssl/aes.h>
+
+static int CmdHelp(const char *Cmd);
+
+//DESFIRE
+// Reader 2 Card : 020A, key (1 byte), CRC1 CRC2 ; auth (020a00)
+// Card 2 Reader : 02AF, 8 Bytes(b0), CRC1 CRC2
+// Reader 2 Card : 03AF, 8 Bytes(b1),8 bytes(b2), CRC1 CRC2
+// Card 2 Reader : 0300, 8 bytes(b3), CRC1 CRC2 ; success
+
+//send 020A00, receive enc(nc)
+
+//02AE = error
+//receive b3=enc(r4)
+//r5=dec(b3)
+//n'r=rol(r5)
+//verify n'r=nr
+
+int CmdHF14AMfDESAuth(const char *Cmd){
+
+ uint8_t blockNo = 0;
+ //keyNo=0;
+ uint32_t cuid=0;
+ uint8_t reply[16];
+ //DES_cblock r1_b1;
+ uint8_t b1[8]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t b2[8]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ DES_cblock nr, b0, r1, r0;
+
+
+ uint8_t key[8]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ //DES_cblock iv={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ DES_key_schedule ks1;
+ DES_cblock key1;
+
+ if (strlen(Cmd)<1) {
+ PrintAndLog("Usage: hf desfire des-auth k <key number>");
+ PrintAndLog(" sample: hf desfire des-auth k 0");
+ return 0;
+ }
+
+ //Change key to user defined one
+
+ memcpy(key1,key,8);
+ //memcpy(key2,key+8,8);
+ DES_set_key((DES_cblock *)key1,&ks1);
+ //DES_set_key((DES_cblock *)key2,&ks2);
+
+ //Auth1
+ UsbCommand c = {CMD_MIFARE_DES_AUTH1, {blockNo}};
+ SendCommand(&c);
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ cuid = resp.arg[1];
+ uint8_t * data= resp.d.asBytes;
+
+ if (isOK){
+ PrintAndLog("enc(nc)/b0:%s", sprint_hex(data+2,8));
+ memcpy(b0,data+2,8);
+ }
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+
+ //Do crypto magic
+ DES_random_key(&nr);
+ //b1=dec(nr)
+ //r0=dec(b0)
+ DES_ecb_encrypt(&nr,&b1,&ks1,0);
+ DES_ecb_encrypt(&b0,&r0,&ks1,0);
+ //PrintAndLog("b1:%s",sprint_hex(b1, 8));
+ PrintAndLog("r0:%s",sprint_hex(r0, 8));
+ //r1=rol(r0)
+ memcpy(r1,r0,8);
+ rol(r1,8);
+ PrintAndLog("r1:%s",sprint_hex(r1, 8));
+ for(int i=0;i<8;i++){
+ b2[i]=(r1[i] ^ b1[i]);
+ }
+ DES_ecb_encrypt(&b2,&b2,&ks1,0);
+ //PrintAndLog("b1:%s",sprint_hex(b1, 8));
+ PrintAndLog("b2:%s",sprint_hex(b2, 8));
+
+ //Auth2
+ UsbCommand d = {CMD_MIFARE_DES_AUTH2, {cuid}};
+ memcpy(reply,b1,8);
+ memcpy(reply+8,b2,8);
+ memcpy(d.d.asBytes,reply, 16);
+ SendCommand(&d);
+
+ UsbCommand respb;
+ if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
+ uint8_t isOK = respb.arg[0] & 0xff;
+ uint8_t * data2= respb.d.asBytes;
+
+ if (isOK){
+ PrintAndLog("b3:%s", sprint_hex(data2+2, 8));
+ }
+
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+ return 1;
+}
+
+//EV1
+// Reader 2 Card : 02AA, key (1 byte), CRC1 CRC2 ; auth
+// Card 2 Reader : 02AF, 16 Bytes(b0), CRC1 CRC2
+// Reader 2 Card : 03AF, 16 Bytes(b1),16Bytes(b2) CRC1 CRC2
+// Card 2 Reader : 0300, 16 bytes(b3), CRC1 CRC2 ; success
+int CmdHF14AMfAESAuth(const char *Cmd){
+
+ uint8_t blockNo = 0;
+ //keyNo=0;
+ uint32_t cuid=0;
+ uint8_t reply[32];
+ //DES_cblock r1_b1;
+ //unsigned char * b1, b2, nr, b0, r0, r1;
+
+ uint8_t b1[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t b2[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t nr[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t b0[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t r0[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t r1[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ //
+ uint8_t key[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t iv[16]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ AES_KEY key_e;
+ AES_KEY key_d;
+
+ if (strlen(Cmd)<1) {
+ PrintAndLog("Usage: hf desfire aes-auth k <key number>");
+ PrintAndLog(" sample: hf desfire aes-auth k 0");
+ return 0;
+ }
+
+ //Change key to user defined one
+ //
+ // int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits,AES_KEY *key);
+ //int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits,AES_KEY *key);
+ //
+ //memcpy(key1,key,16);
+ //memcpy(key2,key+8,8);
+ AES_set_encrypt_key(key,128,&key_e);
+ AES_set_decrypt_key(key,128,&key_d);
+
+ //Auth1
+ UsbCommand c = {CMD_MIFARE_DES_AUTH1, {blockNo}};
+ SendCommand(&c);
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ cuid = resp.arg[1];
+ uint8_t * data= resp.d.asBytes;
+
+ if (isOK){
+ PrintAndLog("enc(nc)/b0:%s", sprint_hex(data+2,16));
+ memcpy(b0,data+2,16);
+ }
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+ //
+ // void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ //size_t length, const AES_KEY *key,
+ //unsigned char *ivec, const int enc);
+
+ //Do crypto magic
+ //DES_random_key(&nr);
+ //b1=dec(nr)
+ //r0=dec(b0)
+ //AES_cbc_encrypt(&nr,&b1,16,&key,0);
+ AES_cbc_encrypt(&b0,&r0,16,&key_d,iv,0);
+ //PrintAndLog("b1:%s",sprint_hex(b1, 8));
+ PrintAndLog("r0:%s",sprint_hex(r0, 16));
+ //r1=rol(r0)
+ memcpy(r1,r0,16);
+ rol(r1,8);
+ PrintAndLog("r1:%s",sprint_hex(r1, 16));
+ for(int i=0;i<16;i++){
+ b1[i]=(nr[i] ^ b0[i]);
+ b2[i]=(r1[i] ^ b1[i]);
+ }
+ PrintAndLog("nr:%s",sprint_hex(nr, 16));
+ AES_cbc_encrypt(&b1,&b1,16,&key_e,iv,1);
+ AES_cbc_encrypt(&b2,&b2,16,&key_e,iv,1);
+ PrintAndLog("b1:%s",sprint_hex(b1, 16));
+ PrintAndLog("b2:%s",sprint_hex(b2, 16));
+
+ //Auth2
+ UsbCommand d = {CMD_MIFARE_DES_AUTH2, {cuid}};
+ memcpy(reply,b1,16);
+ memcpy(reply+16,b2,16);
+ memcpy(d.d.asBytes,reply, 32);
+ SendCommand(&d);
+
+ UsbCommand respb;
+ if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
+ uint8_t isOK = respb.arg[0] & 0xff;
+ uint8_t * data2= respb.d.asBytes;
+
+ if (isOK){
+ PrintAndLog("b3:%s", sprint_hex(data2+2, 16));
+ }
+
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+ return 1;
+}
+
+
+//------------------------------------
+// Menu Stuff
+//------------------------------------
+static command_t CommandTable[] =
+{
+ {"help", CmdHelp, 1,"This help"},
+ {"dbg", CmdHF14AMfDbg, 0,"Set default debug mode"},
+ {"des-auth",CmdHF14AMfDESAuth, 0,"Desfire Authentication"},
+ {"ev1-auth",CmdHF14AMfAESAuth, 0,"EV1 Authentication"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdHFMFDesfire(const char *Cmd){
+ // flush
+ WaitForResponseTimeout(CMD_ACK,NULL,100);
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd){
+ CmdsHelp(CommandTable);
+ return 0;
+}
projects / proxmark3-svn / blobdiff