git.zerfleddert.de Git - proxmark3-svn/blobdiff

index 2619a9763c1fc8f95dea093580b61716ce5a4f3a..6f57c11319c87d185f003a96d55a2f606f7e2f3d 100644 (file)

--- a/armsrc/mifarecmd.c

+++ b/armsrc/mifarecmd.c

@@ -14,8 +14,20 @@

//-----------------------------------------------------------------------------\r

#include "mifarecmd.h"\r

+\r

#include "apps.h"\r

#include "util.h"\r

+#include "parity.h"\r

+#include "crc.h"\r

+\r

+#define AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r

+#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication \r

+ \r

+\r

+// the block number for the ISO14443-4 PCB\r

+static uint8_t pcb_blocknum = 0;\r

+// Deselect card by sending a s-block. the crc is precalced for speed\r

+static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r

//-----------------------------------------------------------------------------\r

// Select, Authenticate, Read a MIFARE tag. \r

@@ -38,16 +50,16 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

struct Crypto1State *pcs;\r

pcs = &mpcs;\r

- // clear trace\r

- iso14a_clear_trace();\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ clear_trace();\r

+\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

while (true) {\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

break;\r

};\r

@@ -80,47 +92,97 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r

LED_B_OFF();\r

- // Thats it...\r

FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

LEDsoff();\r

}\r

-void MifareUReadBlock(uint8_t arg0,uint8_t *datain)\r

+void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r

+\r

+ bool turnOffField = (arg0 == 1);\r

+\r

+ LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

+\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+\r

+ clear_trace();\r

+\r

+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r

+ OnError(0);\r

+ return;\r

+ };\r

+ \r

+ if(!mifare_ultra_auth(keybytes)){\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r

+ OnError(1);\r

+ return;\r

+ }\r

+\r

+ if (turnOffField) {\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+ }\r

+ cmd_send(CMD_ACK,1,0,0,0,0);\r

+}\r

+\r

+// Arg0 = BlockNo,\r

+// Arg1 = UsePwd bool\r

+// datain = PWD bytes,\r

+void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r

{\r

uint8_t blockNo = arg0;\r

byte_t dataout[16] = {0x00};\r

- uint8_t uid[10] = {0x00};\r

- uint32_t cuid;\r

- \r

+ bool useKey = (arg1 == 1); //UL_C\r

+ bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r

+\r

+ LEDsoff();\r

LED_A_ON();\r

- LED_B_OFF();\r

- LED_C_OFF();\r

- \r

- iso14a_clear_trace();\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

- \r

- int len = iso14443a_select_card(uid, NULL, &cuid);\r

+\r

+ clear_trace();\r

+\r

+ int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r

if(!len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r

OnError(1);\r

return;\r

- };\r

- \r

- len = mifare_ultra_readblock(cuid, blockNo, dataout);\r

- if(len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r

+ }\r

+\r

+ // UL-C authentication\r

+ if ( useKey ) {\r

+ uint8_t key[16] = {0x00};\r

+ memcpy(key, datain, sizeof(key) );\r

+\r

+ if ( !mifare_ultra_auth(key) ) {\r

+ OnError(1);\r

+ return;\r

+ }\r

+\r

+ // UL-EV1 / NTAG authentication\r

+ if ( usePwd ) {\r

+ uint8_t pwd[4] = {0x00};\r

+ memcpy(pwd, datain, 4);\r

+ uint8_t pack[4] = {0,0,0,0};\r

+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r

+ OnError(1);\r

+ return;\r

+ }\r

+ } \r

+\r

+ if( mifare_ultra_readblock(blockNo, dataout) ) {\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r

OnError(2);\r

return;\r

- };\r

- \r

- len = mifare_ultra_halt(cuid);\r

- if(len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r

+ }\r

+\r

+ if( mifare_ultra_halt() ) {\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r

OnError(3);\r

return;\r

- };\r

- \r

- cmd_send(CMD_ACK,1,0,0,dataout,16);\r

+ }\r

+\r

+ cmd_send(CMD_ACK,1,0,0,dataout,16);\r

FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

LEDsoff();\r

}\r

@@ -146,17 +208,16 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

struct Crypto1State *pcs;\r

pcs = &mpcs;\r

- // clear trace\r

- iso14a_clear_trace();\r

-\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ clear_trace();\r

+\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

isOK = 1;\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

isOK = 0;\r

if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

}\r

@@ -193,72 +254,102 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

LEDsoff();\r

}\r

-void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)\r

+// arg0 = blockNo (start)\r

+// arg1 = Pages (number of blocks)\r

+// arg2 = useKey\r

+// datain = KEY bytes\r

+void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r

{\r

- // params\r

- uint8_t sectorNo = arg0;\r

- int Pages = arg1;\r

- int count_Pages = 0;\r

- byte_t dataout[176] = {0x00};;\r

- uint8_t uid[10] = {0x00};\r

- uint32_t cuid;\r

+ LEDsoff();\r

+ LED_A_ON();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

- LED_A_ON();\r

- LED_B_OFF();\r

- LED_C_OFF();\r

+ // free eventually allocated BigBuf memory\r

+ BigBuf_free();\r

+ clear_trace();\r

- if (MF_DBGLEVEL >= MF_DBG_ALL) \r

- Dbprintf("Pages %d",Pages);\r

- \r

- iso14a_clear_trace();\r

- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ // params\r

+ uint8_t blockNo = arg0;\r

+ uint16_t blocks = arg1;\r

+ bool useKey = (arg2 == 1); //UL_C\r

+ bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r

+ uint32_t countblocks = 0;\r

+ uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r

+ if (dataout == NULL){\r

+ Dbprintf("out of memory");\r

+ OnError(1);\r

+ return;\r

+ }\r

- int len = iso14443a_select_card(uid, NULL, &cuid);\r

- \r

+ int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r

if (!len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR)\r

- Dbprintf("Can't select card");\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r

OnError(1);\r

return;\r

}\r

+\r

+ // UL-C authentication\r

+ if ( useKey ) {\r

+ uint8_t key[16] = {0x00};\r

+ memcpy(key, datain, sizeof(key) );\r

+\r

+ if ( !mifare_ultra_auth(key) ) {\r

+ OnError(1);\r

+ return;\r

+ }\r

+\r

+ // UL-EV1 / NTAG authentication\r

+ if (usePwd) {\r

+ uint8_t pwd[4] = {0x00};\r

+ memcpy(pwd, datain, sizeof(pwd));\r

+ uint8_t pack[4] = {0,0,0,0};\r

+\r

+ if (!mifare_ul_ev1_auth(pwd, pack)){\r

+ OnError(1);\r

+ return; \r

+ }\r

+\r

+ for (int i = 0; i < blocks; i++){\r

+ if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r

+ Dbprintf("Data exceeds buffer!!");\r

+ break;\r

+ }\r

- for (int i = 0; i < Pages; i++){\r

- \r

- len = mifare_ultra_readblock(cuid, sectorNo * 4 + i, dataout + 4 * i);\r

- \r

+ len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r

+\r

if (len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR)\r

- Dbprintf("Read block %d error",i);\r

- OnError(2);\r

- return;\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r

+ // if no blocks read - error out\r

+ if (i==0){\r

+ OnError(2);\r

+ return;\r

+ } else {\r

+ //stop at last successful read block and return what we got\r

+ break;\r

+ }\r

} else {\r

- count_Pages++;\r

+ countblocks++;\r

}\r

- \r

- len = mifare_ultra_halt(cuid);\r

+\r

+ len = mifare_ultra_halt();\r

if (len) {\r

- if (MF_DBGLEVEL >= MF_DBG_ERROR)\r

- Dbprintf("Halt error");\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r

OnError(3);\r

return;\r

}\r

- \r

- if (MF_DBGLEVEL >= MF_DBG_ALL) {\r

- Dbprintf("Pages read %d", count_Pages);\r

- }\r

- len = 16*4; //64 bytes\r

- \r

- // Read a UL-C\r

- if (Pages == 44 && count_Pages > 16) \r

- len = 176;\r

+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r

- cmd_send(CMD_ACK, 1, 0, 0, dataout, len); \r

- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

- LEDsoff();\r

-}\r

+ countblocks *= 4;\r

+ cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+ BigBuf_free();\r

+}\r

//-----------------------------------------------------------------------------\r

// Select, Authenticate, Write a MIFARE tag. \r

@@ -283,17 +374,16 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

struct Crypto1State *pcs;\r

pcs = &mpcs;\r

- // clear trace\r

- iso14a_clear_trace();\r

-\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ clear_trace();\r

+\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

while (true) {\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

break;\r

};\r

@@ -332,105 +422,317 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

LEDsoff();\r

}\r

-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r

+/* // Command not needed but left for future testing \r

+void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r

{\r

- // params\r

- uint8_t blockNo = arg0;\r

+ uint8_t blockNo = arg0;\r

byte_t blockdata[16] = {0x00};\r

- memcpy(blockdata, datain,16);\r

- \r

- // variables\r

- byte_t isOK = 0;\r

+ memcpy(blockdata, datain, 16);\r

+\r

uint8_t uid[10] = {0x00};\r

- uint32_t cuid;\r

- iso14a_clear_trace();\r

- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

- LED_A_ON();\r

- LED_B_OFF();\r

- LED_C_OFF();\r

-\r

- while (true) {\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

- break;\r

- };\r

-\r

- if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

- break;\r

- };\r

-\r

- if(mifare_ultra_halt(cuid)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r

- break;\r

- };\r

- \r

- isOK = 1;\r

- break;\r

- }\r

- \r

- if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r

-\r

- cmd_send(CMD_ACK,isOK,0,0,0,0);\r

- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

- LEDsoff();\r

-}\r

+ clear_trace();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r

+ if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(0);\r

+ return; };\r

+\r

+ if(mifare_ultra_halt()) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r

+\r

+ cmd_send(CMD_ACK,1,0,0,0,0);\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+}\r

+*/\r

+\r

+// Arg0 : Block to write to.\r

+// Arg1 : 0 = use no authentication.\r

+// 1 = use 0x1A authentication.\r

+// 2 = use 0x1B authentication.\r

+// datain : 4 first bytes is data to be written.\r

+// : 4/16 next bytes is authentication key.\r

+void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r

{\r

- // params\r

uint8_t blockNo = arg0;\r

+ bool useKey = (arg1 == 1); //UL_C\r

+ bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r

byte_t blockdata[4] = {0x00};\r

- \r

+\r

memcpy(blockdata, datain,4);\r

+ \r

+ LEDsoff();\r

+ LED_A_ON();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

- // variables\r

- byte_t isOK = 0;\r

- uint8_t uid[10] = {0x00};\r

- uint32_t cuid;\r

+ clear_trace();\r

+\r

+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ // UL-C authentication\r

+ if ( useKey ) {\r

+ uint8_t key[16] = {0x00};\r

+ memcpy(key, datain+4, sizeof(key) );\r

+\r

+ if ( !mifare_ultra_auth(key) ) {\r

+ OnError(1);\r

+ return;\r

+ }\r

+ \r

+ // UL-EV1 / NTAG authentication\r

+ if (usePwd) {\r

+ uint8_t pwd[4] = {0x00};\r

+ memcpy(pwd, datain+4, 4);\r

+ uint8_t pack[4] = {0,0,0,0};\r

+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r

+ OnError(1);\r

+ return;\r

+ }\r

+\r

+ if(mifare_ultra_writeblock(blockNo, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ if(mifare_ultra_halt()) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r

- iso14a_clear_trace();\r

+ cmd_send(CMD_ACK,1,0,0,0,0);\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+}\r

+\r

+void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r

+ \r

+ uint8_t pwd[16] = {0x00};\r

+ byte_t blockdata[4] = {0x00};\r

+ \r

+ memcpy(pwd, datain, 16);\r

+ \r

+ LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

- LED_A_ON();\r

- LED_B_OFF();\r

- LED_C_OFF();\r

+ clear_trace();\r

- while (true) {\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

- break;\r

- };\r

+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

+ OnError(0);\r

+ return;\r

+ };\r

- if(mifare_ultra_special_writeblock(cuid, blockNo, blockdata)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

- break;\r

- };\r

+ blockdata[0] = pwd[7];\r

+ blockdata[1] = pwd[6];\r

+ blockdata[2] = pwd[5];\r

+ blockdata[3] = pwd[4];\r

+ if(mifare_ultra_writeblock( 44, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(44);\r

+ return;\r

+ };\r

- if(mifare_ultra_halt(cuid)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r

- break;\r

- };\r

+ blockdata[0] = pwd[3];\r

+ blockdata[1] = pwd[2];\r

+ blockdata[2] = pwd[1];\r

+ blockdata[3] = pwd[0];\r

+ if(mifare_ultra_writeblock( 45, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(45);\r

+ return;\r

+ };\r

- isOK = 1;\r

- break;\r

- }\r

+ blockdata[0] = pwd[15];\r

+ blockdata[1] = pwd[14];\r

+ blockdata[2] = pwd[13];\r

+ blockdata[3] = pwd[12];\r

+ if(mifare_ultra_writeblock( 46, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(46);\r

+ return;\r

+ };\r

- if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r

+ blockdata[0] = pwd[11];\r

+ blockdata[1] = pwd[10];\r

+ blockdata[2] = pwd[9];\r

+ blockdata[3] = pwd[8];\r

+ if(mifare_ultra_writeblock( 47, blockdata)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r

+ OnError(47);\r

+ return;\r

+ }; \r

- cmd_send(CMD_ACK,isOK,0,0,0,0);\r

+ if(mifare_ultra_halt()) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r

+ OnError(0);\r

+ return;\r

+ };\r

+\r

+ cmd_send(CMD_ACK,1,0,0,0,0);\r

FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

LEDsoff();\r

}\r

// Return 1 if the nonce is invalid else return 0\r

int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r

- return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r

- (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r

- (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r

+ return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r

+ (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r

+ (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r

+}\r

+\r

+//-----------------------------------------------------------------------------\r

+// acquire encrypted nonces in order to perform the attack described in\r

+// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r

+// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on \r

+// Computer and Communications Security, 2015\r

+//-----------------------------------------------------------------------------\r

+void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r

+{\r

+ uint64_t ui64Key = 0;\r

+ uint8_t uid[10];\r

+ uint32_t cuid;\r

+ uint8_t cascade_levels = 0;\r

+ struct Crypto1State mpcs = {0, 0};\r

+ struct Crypto1State *pcs;\r

+ pcs = &mpcs;\r

+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r

+ int16_t isOK = 0;\r

+ uint8_t par_enc[1];\r

+ uint8_t nt_par_enc = 0;\r

+ uint8_t buf[USB_CMD_DATA_SIZE];\r

+ uint32_t timeout;\r

+ \r

+ uint8_t blockNo = arg0 & 0xff;\r

+ uint8_t keyType = (arg0 >> 8) & 0xff;\r

+ uint8_t targetBlockNo = arg1 & 0xff;\r

+ uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r

+ ui64Key = bytes_to_num(datain, 6);\r

+ bool initialize = flags & 0x0001;\r

+ bool slow = flags & 0x0002;\r

+ bool field_off = flags & 0x0004;\r

+ \r

+ LED_A_ON();\r

+ LED_C_OFF();\r

+\r

+ if (initialize) {\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ clear_trace();\r

+ set_tracing(true);\r

+ }\r

+ \r

+ LED_C_ON();\r

+ \r

+ uint16_t num_nonces = 0;\r

+ bool have_uid = false;\r

+ for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r

+\r

+ // Test if the action was cancelled\r

+ if(BUTTON_PRESS()) {\r

+ isOK = 2;\r

+ field_off = true;\r

+ break;\r

+ }\r

+\r

+ if (!have_uid) { // need a full select cycle to get the uid first\r

+ iso14a_card_select_t card_info; \r

+ if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r

+ continue;\r

+ }\r

+ switch (card_info.uidlen) {\r

+ case 4 : cascade_levels = 1; break;\r

+ case 7 : cascade_levels = 2; break;\r

+ case 10: cascade_levels = 3; break;\r

+ default: break;\r

+ }\r

+ have_uid = true; \r

+ } else { // no need for anticollision. We can directly select the card\r

+ if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r

+ continue;\r

+ }\r

+ \r

+ if (slow) {\r

+ timeout = GetCountSspClk() + PRE_AUTHENTICATION_LEADTIME;\r

+ while(GetCountSspClk() < timeout);\r

+ }\r

+\r

+ uint32_t nt1;\r

+ if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r

+ continue;\r

+ }\r

+\r

+ // nested authentication\r

+ uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r

+ if (len != 4) {\r

+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r

+ continue;\r

+ }\r

+ \r

+ // send a dummy byte as reader response in order to trigger the cards authentication timeout\r

+ uint8_t dummy_answer = 0;\r

+ ReaderTransmit(&dummy_answer, 1, NULL);\r

+ timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r

+ \r

+ num_nonces++;\r

+ if (num_nonces % 2) {\r

+ memcpy(buf+i, receivedAnswer, 4);\r

+ nt_par_enc = par_enc[0] & 0xf0;\r

+ } else {\r

+ nt_par_enc |= par_enc[0] >> 4;\r

+ memcpy(buf+i+4, receivedAnswer, 4);\r

+ memcpy(buf+i+8, &nt_par_enc, 1);\r

+ i += 9;\r

+ }\r

+\r

+ // wait for the card to become ready again\r

+ while(GetCountSspClk() < timeout);\r

+ \r

+ }\r

+\r

+ LED_C_OFF();\r

+ \r

+ crypto1_destroy(pcs);\r

+ \r

+ LED_B_ON();\r

+ cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r

+ LED_B_OFF();\r

+\r

+ if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r

+\r

+ if (field_off) {\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+ }\r

}\r

@@ -463,22 +765,25 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

struct Crypto1State mpcs = {0, 0};\r

struct Crypto1State *pcs;\r

pcs = &mpcs;\r

- uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r

+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r

uint32_t auth1_time, auth2_time;\r

static uint16_t delta_time;\r

- // clear trace\r

- iso14a_clear_trace();\r

- iso14a_set_tracing(false);\r

- \r

- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

-\r

LED_A_ON();\r

LED_C_OFF();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ // free eventually allocated BigBuf memory\r

+ BigBuf_free();\r

+ if (calibrate) clear_trace();\r

+ set_tracing(true);\r

+ \r

// statistics on nonce distance\r

+ int16_t isOK = 0;\r

+ #define NESTED_MAX_TRIES 12\r

+ uint16_t unsuccessfull_tries = 0;\r

if (calibrate) { // for first call only. Otherwise reuse previous calibration\r

LED_B_ON();\r

WDT_HIT();\r

@@ -489,6 +794,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

for (rtr = 0; rtr < 17; rtr++) {\r

+ // Test if the action was cancelled\r

+ if(BUTTON_PRESS()) {\r

+ isOK = -2;\r

+ break;\r

+ }\r

+\r

// prepare next select. No need to power down the card.\r

if(mifare_classic_halt(pcs, cuid)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r

@@ -496,7 +807,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

continue;\r

}\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r

rtr--;\r

continue;\r

@@ -536,14 +847,17 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r

}\r

if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r

+ } else {\r

+ unsuccessfull_tries++;\r

+ if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r

+ isOK = -3;\r

+ }\r

}\r

- \r

- if (rtr <= 1) return;\r

davg = (davg + (rtr - 1)/2) / (rtr - 1);\r

- if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);\r

+ if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time);\r

dmin = davg - 2;\r

dmax = davg + 2;\r

@@ -551,12 +865,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

LED_B_OFF();\r

}\r

-// ------------------------------------------------------------------------------------------------- \r

+ // ------------------------------------------------------------------------------------------------- \r

LED_C_ON();\r

// get crypted nonces for target sector\r

- for(i=0; i < 2; i++) { // look for exactly two different nonces\r

+ for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r

target_nt[i] = 0;\r

while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r

@@ -567,7 +881,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

continue;\r

}\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r

continue;\r

};\r

@@ -580,7 +894,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

// nested authentication\r

auth2_time = auth1_time + delta_time;\r

- len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r

+ len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r

if (len != 4) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r

continue;\r

@@ -591,7 +905,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

// Parity validity check\r

for (j = 0; j < 4; j++) {\r

- par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r

+ par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r

}\r

ncount = 0;\r

@@ -634,29 +948,30 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat

memcpy(buf+16, &target_ks[1], 4);\r

LED_B_ON();\r

- cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r

+ cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r

LED_B_OFF();\r

if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r

FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

LEDsoff();\r

- iso14a_set_tracing(TRUE);\r

}\r

//-----------------------------------------------------------------------------\r

// MIFARE check keys. key count up to 85. \r

// \r

//-----------------------------------------------------------------------------\r

-void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r

+void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r

{\r

- // params\r

- uint8_t blockNo = arg0;\r

- uint8_t keyType = arg1;\r

+ uint8_t blockNo = arg0 & 0xff;\r

+ uint8_t keyType = (arg0 >> 8) & 0xff;\r

+ bool clearTrace = arg1;\r

uint8_t keyCount = arg2;\r

uint64_t ui64Key = 0;\r

- // variables\r

+ bool have_uid = false;\r

+ uint8_t cascade_levels = 0;\r

+ uint32_t timeout = 0;\r

int i;\r

byte_t isOK = 0;\r

uint8_t uid[10];\r

@@ -669,38 +984,57 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)

int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r

MF_DBGLEVEL = MF_DBG_NONE;\r

- // clear trace\r

- iso14a_clear_trace();\r

- iso14a_set_tracing(TRUE);\r

-\r

- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

-\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+\r

+ if (clearTrace) clear_trace();\r

+ set_tracing(true);\r

for (i = 0; i < keyCount; i++) {\r

- if(mifare_classic_halt(pcs, cuid)) {\r

- if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r

+// if(mifare_classic_halt(pcs, cuid)) {\r

+// if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r

+// }\r

+\r

+ // Iceman: use piwi's faster nonce collecting part in hardnested.\r

+ if (!have_uid) { // need a full select cycle to get the uid first\r

+ iso14a_card_select_t card_info; \r

+ if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r

+ if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r

+ --i; // try same key once again\r

+ continue;\r

+ }\r

+ switch (card_info.uidlen) {\r

+ case 4 : cascade_levels = 1; break;\r

+ case 7 : cascade_levels = 2; break;\r

+ case 10: cascade_levels = 3; break;\r

+ default: break;\r

+ }\r

+ have_uid = true; \r

+ } else { // no need for anticollision. We can directly select the card\r

+ if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r

+ if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)");\r

+ --i; // try same key once again\r

+ continue;\r

+ }\r

}\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

- if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r

- break;\r

- };\r

-\r

ui64Key = bytes_to_num(datain + i * 6, 6);\r

if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r

+ uint8_t dummy_answer = 0;\r

+ ReaderTransmit(&dummy_answer, 1, NULL);\r

+ timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r

+ \r

+ // wait for the card to become ready again\r

+ while(GetCountSspClk() < timeout);\r

continue;\r

- };\r

+ }\r

isOK = 1;\r

break;\r

}\r

- // ----------------------------- crypto1 destroy\r

- crypto1_destroy(pcs);\r

- \r

LED_B_ON();\r

cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r

LED_B_OFF();\r

@@ -724,16 +1058,23 @@ void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

//-----------------------------------------------------------------------------\r

// Work with emulator memory\r

// \r

+// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r

+// involved in dealing with emulator memory. But if it is called later, it might\r

+// destroy the Emulator Memory.\r

//-----------------------------------------------------------------------------\r

+\r

void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r

+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r

emlClearMem();\r

}\r

void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r

+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r

emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r

}\r

void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r

+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r

byte_t buf[USB_CMD_DATA_SIZE];\r

emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r

@@ -760,19 +1101,17 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

byte_t dataoutbuf2[16];\r

uint8_t uid[10];\r

- // clear trace\r

- iso14a_clear_trace();\r

- iso14a_set_tracing(false);\r

- \r

- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

-\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ \r

+ clear_trace();\r

+ set_tracing(false);\r

bool isOK = true;\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

isOK = false;\r

if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

}\r

@@ -854,25 +1193,25 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

uint8_t d_block[18] = {0x00};\r

uint32_t cuid;\r

- uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r

- uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r

+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r

+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r

// reset FPGA and LED\r

if (workFlags & 0x08) {\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

- \r

- iso14a_clear_trace();\r

- iso14a_set_tracing(TRUE);\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ \r

+ clear_trace();\r

+ set_tracing(true);\r

}\r

while (true) {\r

// get UID from chip\r

if (workFlags & 0x01) {\r

- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r

+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r

break;\r

};\r

@@ -961,6 +1300,7 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

// bit 2 - need HALT after sequence\r

// bit 3 - need init FPGA and field before sequence\r

// bit 4 - need reset FPGA and LED\r

+ // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r

uint8_t workFlags = arg0;\r

uint8_t blockNo = arg2;\r

@@ -973,17 +1313,17 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

uint8_t data[18] = {0x00};\r

uint32_t cuid = 0;\r

- uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r

- uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r

+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r

+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r

if (workFlags & 0x08) {\r

LED_A_ON();\r

LED_B_OFF();\r

LED_C_OFF();\r

- \r

- iso14a_clear_trace();\r

- iso14a_set_tracing(TRUE);\r

iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+\r

+ clear_trace();\r

+ set_tracing(true);\r

}\r

while (true) {\r

@@ -1020,7 +1360,12 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai

}\r

LED_B_ON();\r

- cmd_send(CMD_ACK,isOK,0,0,data,18);\r

+ if (workFlags & 0x20) {\r

+ if (isOK)\r

+ memcpy(datain, data, 18);\r

+ }\r

+ else\r

+ cmd_send(CMD_ACK,isOK,0,0,data,18);\r

LED_B_OFF();\r

if ((workFlags & 0x10) || (!isOK)) {\r

@@ -1038,8 +1383,8 @@ void MifareCIdent(){

// variables\r

byte_t isOK = 1;\r

- uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r

- uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r

+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r

+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r

ReaderTransmitBitsPar(wupC1,7,0, NULL);\r

if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r

@@ -1058,6 +1403,71 @@ void MifareCIdent(){

cmd_send(CMD_ACK,isOK,0,0,0,0);\r

}\r

- //\r

+//\r

// DESFIRE\r

//\r

+\r

+void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r

+\r

+ byte_t dataout[11] = {0x00};\r

+ uint8_t uid[10] = {0x00};\r

+ uint32_t cuid;\r

+ \r

+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

+ clear_trace();\r

+\r

+ int len = iso14443a_select_card(uid, NULL, &cuid, true, 0);\r

+ if(!len) {\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r

+ OnError(1);\r

+ return;\r

+ };\r

+\r

+ if(mifare_desfire_des_auth1(cuid, dataout)){\r

+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r

+ OnError(4);\r

+ return;\r

+ }\r

+\r

+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r

+ cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r

+}\r

+\r

+void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r

+\r

+ uint32_t cuid = arg0;\r

+ uint8_t key[16] = {0x00};\r

+ byte_t isOK = 0;\r

+ byte_t dataout[12] = {0x00};\r

+ \r

+ memcpy(key, datain, 16);\r

+ \r

+ isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r

+ \r

+ if( isOK) {\r

+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r

+ OnError(4);\r

+ return;\r

+ }\r

+\r

+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r

+\r

+ cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+}\r

+\r

+void OnSuccess(){\r

+ pcb_blocknum = 0;\r

+ ReaderTransmit(deselect_cmd, 3 , NULL);\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ LEDsoff();\r

+}\r

+\r

+void OnError(uint8_t reason){\r

+ pcb_blocknum = 0;\r

+ ReaderTransmit(deselect_cmd, 3 , NULL);\r

+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r

+ cmd_send(CMD_ACK,0,reason,0,0,0);\r

+ LEDsoff();\r

+}\r