X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7d5ebac99397fe7661760259377a4f222fdb92cb..1c1c5f4caee24e433cebd4b142417e2efdd743f1:/client/cmdhfmfu.c diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c index 8dfb9a3b..d4fc8c24 100644 --- a/client/cmdhfmfu.c +++ b/client/cmdhfmfu.c @@ -7,33 +7,147 @@ //----------------------------------------------------------------------------- // High frequency MIFARE ULTRALIGHT (C) commands //----------------------------------------------------------------------------- -//#include #include "loclass/des.h" #include "cmdhfmfu.h" #include "cmdhfmf.h" #include "cmdhf14a.h" +#include "mifare.h" +#define MAX_UL_BLOCKS 0x0f +#define MAX_ULC_BLOCKS 0x2f +#define MAX_ULEV1a_BLOCKS 0x0b; +#define MAX_ULEV1b_BLOCKS 0x20; -#define MAX_ULTRA_BLOCKS 0x0f -#define MAX_ULTRAC_BLOCKS 0x2f -//#define MAX_ULTRAC_BLOCKS 0x2c +uint8_t default_3des_keys[7][16] = { + { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key + { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes + { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F + { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key + { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones + { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF + { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33 + }; + +static int CmdHelp(const char *Cmd); +// return 1 if tag responded to 0x1A. +uint8_t requestAuthentication( uint8_t* nonce){ -static int CmdHelp(const char *Cmd); + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC ,2 ,0}}; + c.d.asBytes[0] = 0x1A; + c.d.asBytes[1] = 0x00; + SendCommand(&c); + UsbCommand resp; + WaitForResponse(CMD_ACK, &resp); // skip select answer. + + if ( !(resp.arg[0] & 0xff) ) + return 0; + + if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { + + if ( resp.arg[0] & 0xff ) { + memcpy(nonce, resp.d.asBytes+1, 8); + return 1; + } + } + return 0; +} + +typedef enum TAGTYPE_UL { + UNKNOWN = 0x00, + UL = 0x01, + UL_C = 0x02, + UL_EV1_48 = 0x04, + UL_EV1_128 = 0x08, + MAGIC = 0x10, + UL_MAGIC = UL | MAGIC, + UL_C_MAGIC = UL_C | MAGIC, + UL_ERROR = 0xFF, +} TagTypeUL_t; + +uint8_t GetHF14AMfU_Type(void){ + + TagTypeUL_t tagtype = UNKNOWN; + iso14a_card_select_t card; + + // select and run 0x60 (GET_VERSION - EV1 command) + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC, 1, 0}}; + c.d.asBytes[0] = 0x60; + SendCommand(&c); + UsbCommand resp; + WaitForResponse(CMD_ACK, &resp); + + if ( resp.arg[0] == 0 ) return UL_ERROR; + + memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); + + // Ultralight - ATQA / SAK + if ( card.atqa[1] != 0x00 && card.atqa[0] != 0x44 && card.sak != 0x00 ) return UL_ERROR; + + // EV1 GetVersion + if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { + + uint8_t version[8] = {0,0,0,0,0,0,0,0}; + memcpy(&version, resp.d.asBytes, sizeof(version)); + uint8_t len = resp.arg[0] & 0xff; + + if ( len == 0x0A && version[6] == 0x0B ) + tagtype = UL_EV1_48; + else if ( len == 0x0A && version[6] != 0x0B ) + tagtype = UL_EV1_128; + else if ( len == 0x01 ) + tagtype = UL_C; + else if ( len == 0x00 ) + tagtype = UL; + } + + // Magic UL-C, mine have a static nonce response to 0x1A command. + uint8_t nonce1[8] = {0,0,0,0,0,0,0,0}; + uint8_t nonce2[8] = {0,0,0,0,0,0,0,0}; + uint8_t status = requestAuthentication(nonce1); + if ( status ) { + requestAuthentication(nonce2); + if ( !memcmp(nonce1, nonce2, 8) ){ + tagtype = UL_C_MAGIC; + } + } else { + //TODO: Magic Ultralight test here + } + return tagtype; +} int CmdHF14AMfUInfo(const char *Cmd){ uint8_t datatemp[7] = {0x00}; uint8_t isOK = 0; - uint8_t *data = NULL; + uint8_t data[16] = {0x00}; + uint8_t *key; + + TagTypeUL_t tagtype = GetHF14AMfU_Type(); + if (tagtype == UL_ERROR) return -1; + + PrintAndLog("\n-- Tag Information ---------"); + PrintAndLog("-------------------------------------------------------------"); + if ( tagtype & UL ) + PrintAndLog(" TYPE : MIFARE Ultralight %s", (tagtype & MAGIC)?"(magic)":""); + else if ( tagtype & UL_C) + PrintAndLog(" TYPE : MIFARE Ultralight C %s", (tagtype & MAGIC)?"(magic)":"" ); + else if ( tagtype & UL_EV1_48) + PrintAndLog(" TYPE : MIFARE Ultralight EV1 48 bytes"); + else if ( tagtype & UL_EV1_128) + PrintAndLog(" TYPE : MIFARE Ultralight EV1 128 bytes"); + else + PrintAndLog(" TYPE : Unknown %x",tagtype); + + // read pages 0,1,2,4 UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}}; SendCommand(&c); UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { isOK = resp.arg[0] & 0xff; - data = resp.d.asBytes; + memcpy(data, resp.d.asBytes, sizeof(data)); if (!isOK) { PrintAndLog("Error reading from tag"); @@ -44,41 +158,59 @@ int CmdHF14AMfUInfo(const char *Cmd){ return -1; } - PrintAndLog(""); - PrintAndLog("-- Mifare Ultralight / Ultralight-C Tag Information ---------"); - PrintAndLog("-------------------------------------------------------------"); - // UID memcpy( datatemp, data, 3); memcpy( datatemp+3, data+4, 4); - PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0])); - PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7)); + PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7)); + PrintAndLog(" UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s", datatemp[0], getTagInfo(datatemp[0]) ); + // BBC // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2]; if ( data[3] == crc0 ) - PrintAndLog(" BCC0 : %02x - Ok", data[3]); + PrintAndLog(" BCC0 : %02x - Ok", data[3]); else - PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0); + PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0); int crc1 = data[4] ^ data[5] ^ data[6] ^data[7]; if ( data[8] == crc1 ) - PrintAndLog(" BCC1 : %02x - Ok", data[8]); + PrintAndLog(" BCC1 : %02x - Ok", data[8]); else - PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 ); + PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 ); - PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1)); + PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1)); memcpy(datatemp, data+10, 2); - PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) ); - PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4)); + PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) ); + PrintAndLog("OneTimePad : %s ", sprint_hex(data + 3*4, 4)); PrintAndLog(""); + + + PrintAndLog("--- "); + if ((tagtype & UL_C)){ + + PrintAndLog("Trying some default 3des keys"); - int len = CmdHF14AMfucAuth("K 0"); -// PrintAndLog("CODE: %d",len); + for (uint8_t i = 0; i < 5; ++i ){ + key = default_3des_keys[i]; + if (try3DesAuthentication(key)){ + PrintAndLog("Found default 3des key: %s", sprint_hex(key,16)); + return 0; + } + } + } + else if ((tagtype & (UL_EV1_48 | UL_EV1_128))) { + //********** TODO ******************************** + // --problem, there is a failed pwd tries counter in UL-EV1 + //PrintAndLog("Trying some known EV1 passwords."); + } - PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :""); + // disconnect + // c.arg[0] = 0; + // c.arg[1] = 0; + // c.arg[2] = 0; + // SendCommand(&c); return 0; } @@ -105,7 +237,7 @@ int CmdHF14AMfUWrBl(const char *Cmd){ blockNo = param_get8(Cmd, 0); - if (blockNo > MAX_ULTRA_BLOCKS){ + if (blockNo > MAX_UL_BLOCKS){ PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!"); return 1; } @@ -155,9 +287,9 @@ int CmdHF14AMfUWrBl(const char *Cmd){ // Mifare Ultralight Read Single Block // int CmdHF14AMfURdBl(const char *Cmd){ - - uint8_t blockNo = -1; + UsbCommand resp; + uint8_t blockNo = -1; char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') { @@ -168,90 +300,108 @@ int CmdHF14AMfURdBl(const char *Cmd){ blockNo = param_get8(Cmd, 0); - if (blockNo > MAX_ULTRA_BLOCKS){ - PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!"); + if (blockNo > MAX_UL_BLOCKS){ + PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight"); return 1; } - - PrintAndLog("--block no:0x%02X (%d)", (int)blockNo, blockNo); + UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}}; SendCommand(&c); - UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - uint8_t * data = resp.d.asBytes; - - PrintAndLog("isOk: %02x", isOK); - - if (isOK) - PrintAndLog("Data: %s", sprint_hex(data, 4)); + uint8_t isOK = resp.arg[0] & 0xff; + if (isOK) { + uint8_t *data = resp.d.asBytes; + PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4)); + } + else { + PrintAndLog("Failed reading block: (%02x)", isOK); + } } else { - PrintAndLog("Command execute timeout"); + PrintAndLog("Command execute time-out"); } + return 0; } +int usage_hf_mfu_dump(void) +{ + PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1"); + PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`"); + PrintAndLog("It autodetects card type.\n"); + PrintAndLog("Usage: hf mfu dump "); + PrintAndLog(" sample : hf mfu dump"); + PrintAndLog(" : hf mfu dump myfile"); + PrintAndLog(" : hf mfu dump 1 myfile"); + return 0; +} // -// Mifare Ultralight / Ultralight-C; Read and Dump Card Contents +// Mifare Ultralight / Ultralight-C / Ultralight-EV1 +// Read and Dump Card Contents, using auto detection of tag size. // +// TODO: take a password to read UL-C / UL-EV1 tags. int CmdHF14AMfUDump(const char *Cmd){ + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') + return usage_hf_mfu_dump(); + FILE *fout; char filename[FILE_PATH_SIZE] = {0x00}; char * fnameptr = filename; + char* str = "Dumping Ultralight%s%s Card Data..."; uint8_t *lockbytes_t = NULL; uint8_t lockbytes[2] = {0x00}; - uint8_t *lockbytes_t2 = NULL; uint8_t lockbytes2[2] = {0x00}; - bool bit[16] = {0x00}; bool bit2[16] = {0x00}; + uint8_t data[176] = {0x00}; - int i; - uint8_t BlockNo = 0; - int Pages = 16; - - bool tmplockbit = false; - uint8_t isOK = 0; - uint8_t *data = NULL; - - char cmdp = param_getchar(Cmd, 0); + int i = 0; + int Pages = 16; + bool tmplockbit = false; - if (cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag."); - PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`"); - PrintAndLog("Usage: hf mfu dump "); - PrintAndLog(" optional cardtype c == Ultralight-C, if not defaults to Ultralight"); - PrintAndLog(" sample: hf mfu dump"); - PrintAndLog(" : hf mfu dump myfile"); - PrintAndLog(" : hf mfu dump c myfile"); - return 0; + TagTypeUL_t tagtype = GetHF14AMfU_Type(); + if (tagtype == UL_ERROR) return -1; + + if ( tagtype & UL ) { + Pages = 16; + PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" ); + } + else if ( tagtype & UL_C ) { + Pages = 44; + PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" ); + } + else if ( tagtype & UL_EV1_48 ) { + Pages = 18; + PrintAndLog(str," EV1_48",""); + } + else if ( tagtype & UL_EV1_128 ) { + Pages = 32; + PrintAndLog(str," EV1_128",""); + } else { + Pages = 16; + PrintAndLog("Dumping unknown Ultralight, using default values."); } - - // UL or UL-C? - Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16; - PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C"); - - UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}}; + UsbCommand c = {CMD_MIFAREU_READCARD, {0,Pages}}; SendCommand(&c); UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - isOK = resp.arg[0] & 0xff; - if (!isOK) { - PrintAndLog("Command error"); - return 0; - } - data = resp.d.asBytes; - } else { - PrintAndLog("Command execute timeout"); + if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + PrintAndLog("Command execute time-out"); return 0; } + if (!resp.arg[0] ) { + PrintAndLog("Read command failed"); + return 0; + } + memcpy(data, resp.d.asBytes, sizeof(data)); + // Load lock bytes. int j = 0; @@ -264,7 +414,6 @@ int CmdHF14AMfUDump(const char *Cmd){ // Load bottom lockbytes if available if ( Pages == 44 ) { - lockbytes_t2 = data + (40*4); lockbytes2[0] = lockbytes_t2[2]; lockbytes2[1] = lockbytes_t2[3]; @@ -274,12 +423,10 @@ int CmdHF14AMfUDump(const char *Cmd){ } for (i = 0; i < Pages; ++i) { - if ( i < 3 ) { PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4)); continue; } - switch(i){ case 3: tmplockbit = bit[4]; break; case 4: tmplockbit = bit[3]; break; @@ -327,26 +474,17 @@ int CmdHF14AMfUDump(const char *Cmd){ PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit); } - int len = 0; - if ( Pages == 16 ) - len = param_getstr(Cmd,0,filename); - else - len = param_getstr(Cmd,1,filename); - - if (len > FILE_PATH_SIZE-5) len = FILE_PATH_SIZE-5; + int len = param_getstr(Cmd,0,filename); + if (len > FILE_PATH_SIZE-5) + len = FILE_PATH_SIZE-5; - // user supplied filename? if (len < 1) { - - // UID = data 0-1-2 4-5-6-7 (skips a beat) sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin", - data[0],data[1], data[2], data[4],data[5],data[6], data[7]); - + data[0], data[1], data[2], data[4], data[5], data[6], data[7]); } else { sprintf(fnameptr + len," .bin"); } - if ((fout = fopen(filename,"wb")) == NULL) { PrintAndLog("Could not create file name %s", filename); return 1; @@ -376,130 +514,108 @@ void rol (uint8_t *data, const size_t len){ // int CmdHF14AMfucAuth(const char *Cmd){ - uint8_t default_keys[5][16] = { - { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key - { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes - { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F - { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key - { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 } // all ones - }; - - char cmdp = param_getchar(Cmd, 0); - uint8_t keyNo = 0; bool errors = false; + + char cmdp = param_getchar(Cmd, 0); + //Change key to user defined one if (cmdp == 'k' || cmdp == 'K'){ keyNo = param_get8(Cmd, 1); - if(keyNo >= 4) errors = true; + if(keyNo > 6) + errors = true; } - if (cmdp == 'h' || cmdp == 'H') { + if (cmdp == 'h' || cmdp == 'H') errors = true; - } - + if (errors) { PrintAndLog("Usage: hf mfu cauth k "); PrintAndLog(" 0 (default): 3DES standard key"); - PrintAndLog(" 1 : all zeros key"); + PrintAndLog(" 1 : all 0x00 key"); PrintAndLog(" 2 : 0x00-0x0F key"); PrintAndLog(" 3 : nfc key"); - PrintAndLog(" 4 : all ones key"); - PrintAndLog(" sample : hf mfu cauth k"); + PrintAndLog(" 4 : all 0x01 key"); + PrintAndLog(" 5 : all 0xff key"); + PrintAndLog(" 6 : 0x00-0xFF key"); + PrintAndLog("\n sample : hf mfu cauth k"); PrintAndLog(" : hf mfu cauth k 3"); return 0; } - uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 }; - //uint8_t enc_random_a[8] = { 0 }; - uint8_t random_b[8] = { 0 }; - uint8_t enc_random_b[8] = { 0 }; - uint8_t random_a_and_b[16] = { 0 }; - des3_context ctx = { 0 }; - uint8_t *key = default_keys[keyNo]; + uint8_t *key = default_3des_keys[keyNo]; + if (try3DesAuthentication(key)>0) + PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16)); + else + PrintAndLog("Authentication failed"); + + return 0; +} + +int try3DesAuthentication( uint8_t *key){ + uint8_t blockNo = 0; uint32_t cuid = 0; - //Auth1 + des3_context ctx = { 0 }; + + uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 }; + uint8_t random_b[8] = { 0 }; + uint8_t enc_random_b[8] = { 0 }; + uint8_t rnd_ab[16] = { 0 }; + uint8_t iv[8] = { 0 }; + UsbCommand c = {CMD_MIFAREUC_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(RndB):%s", sprint_hex(data+1, 8)); - memcpy(enc_random_b,data+1,8); - } else { - PrintAndLog("Auth failed"); - return 2; // auth failed. - } - } else { - PrintAndLog("Command execute timeout"); - return 1; - } - - uint8_t iv[8] = { 0 }; - // Do we need random ? Right now we use all ones, is that random enough ? -// DES_random_key(&RndA); - - PrintAndLog(" RndA :%s",sprint_hex(random_a, 8)); - PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8)); + if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1; + if ( !(resp.arg[0] & 0xff) ) return -2; + + cuid = resp.arg[1]; + memcpy(enc_random_b,resp.d.asBytes+1,8); des3_set2key_dec(&ctx, key); - - des3_crypt_cbc(&ctx // des3_context *ctx - , DES_DECRYPT // int mode - , sizeof(random_b) // size_t length - , iv // unsigned char iv[8] - , enc_random_b // const unsigned char *input - , random_b // unsigned char *output - ); - - PrintAndLog(" RndB:%s",sprint_hex(random_b, 8)); + // context, mode, length, IV, input, output + des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b); rol(random_b,8); - memcpy(random_a_and_b ,random_a,8); - memcpy(random_a_and_b+8,random_b,8); + memcpy(rnd_ab ,random_a,8); + memcpy(rnd_ab+8,random_b,8); + + //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8)); + //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8)); + //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8)); + //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16)); - PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16)); - des3_set2key_enc(&ctx, key); + // context, mode, length, IV, input, output + des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab); - des3_crypt_cbc(&ctx // des3_context *ctx - , DES_ENCRYPT // int mode - , sizeof(random_a_and_b) // size_t length - , enc_random_b // unsigned char iv[8] - , random_a_and_b // const unsigned char *input - , random_a_and_b // unsigned char *output - ); + //Auth2 + c.cmd = CMD_MIFAREUC_AUTH2; + c.arg[0] = cuid; + memcpy(c.d.asBytes, rnd_ab, 16); + SendCommand(&c); - PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16)); + if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1; + if ( !(resp.arg[0] & 0xff)) return -2; + + uint8_t enc_resp[8] = { 0 }; + uint8_t resp_random_a[8] = { 0 }; + memcpy(enc_resp, resp.d.asBytes+1, 8); - //Auth2 - UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}}; - memcpy(d.d.asBytes,random_a_and_b, 16); - SendCommand(&d); + des3_set2key_dec(&ctx, key); + // context, mode, length, IV, input, output + des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a); - UsbCommand respb; - if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) { - uint8_t isOK = respb.arg[0] & 0xff; - uint8_t * data2= respb.d.asBytes; + //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16)); + //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8)); - if (isOK){ - PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8)); - } else { - return 2; - } - - } else { - PrintAndLog("Command execute timeout"); - return 1; - } + if ( !memcmp(resp_random_a, random_a, 8)) + return 1; return 0; } + /** A test function to validate that the polarssl-function works the same was as the openssl-implementation. @@ -601,12 +717,17 @@ int CmdTestDES(const char * cmd) // int CmdHF14AMfUCRdBl(const char *Cmd) { + UsbCommand resp; + bool hasPwd = FALSE; uint8_t blockNo = -1; + unsigned char key[16]; char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: hf mfu crdbl "); - PrintAndLog(" sample: hf mfu crdbl 0"); + PrintAndLog("Usage: hf mfu crdbl "); + PrintAndLog(""); + PrintAndLog("sample: hf mfu crdbl 0"); + PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF"); return 0; } @@ -616,27 +737,40 @@ int CmdHF14AMfUCRdBl(const char *Cmd) return 1; } - if (blockNo > MAX_ULTRAC_BLOCKS ){ - PrintAndLog("Error: Maximum number of readable blocks is 47 for Ultralight-C Cards!"); + if (blockNo > MAX_ULC_BLOCKS ){ + PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C"); return 1; } - PrintAndLog("--block no: 0x%02X (%d)", (int)blockNo, blockNo); + // key + if ( strlen(Cmd) > 3){ + if (param_gethex(Cmd, 1, key, 32)) { + PrintAndLog("Key must include %d HEX symbols", 32); + return 1; + } else { + hasPwd = TRUE; + } + } //Read Block - UsbCommand e = {CMD_MIFAREU_READBL, {blockNo}}; - SendCommand(&e); - UsbCommand resp_c; - if (WaitForResponseTimeout(CMD_ACK,&resp_c,1500)) { - uint8_t isOK = resp_c.arg[0] & 0xff; - uint8_t *data = resp_c.d.asBytes; - - PrintAndLog("isOk: %02x", isOK); - if (isOK) - PrintAndLog("Data: %s", sprint_hex(data, 4)); - + UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}}; + if ( hasPwd ) { + c.arg[1] = 1; + memcpy(c.d.asBytes,key,16); + } + SendCommand(&c); + + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + if (isOK) { + uint8_t *data = resp.d.asBytes; + PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4)); + } + else { + PrintAndLog("Failed reading block: (%02x)", isOK); + } } else { - PrintAndLog("Command execute timeout"); + PrintAndLog("Command execute time-out"); } return 0; } @@ -665,7 +799,7 @@ int CmdHF14AMfUCWrBl(const char *Cmd){ } blockNo = param_get8(Cmd, 0); - if (blockNo > MAX_ULTRAC_BLOCKS ){ + if (blockNo > MAX_ULC_BLOCKS ){ PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!"); return 1; } @@ -711,21 +845,242 @@ int CmdHF14AMfUCWrBl(const char *Cmd){ return 0; } -//------------------------------------ -// Menu Stuff -//------------------------------------ +// +// Mifare Ultralight C - Set password +// +int CmdHF14AMfucSetPwd(const char *Cmd){ + + uint8_t pwd[16] = {0x00}; + + char cmdp = param_getchar(Cmd, 0); + + if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mfu setpwd "); + PrintAndLog(" [password] - (32 hex symbols)"); + PrintAndLog(""); + PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f"); + PrintAndLog(""); + return 0; + } + + if (param_gethex(Cmd, 0, pwd, 32)) { + PrintAndLog("Password must include 32 HEX symbols"); + return 1; + } + + UsbCommand c = {CMD_MIFAREUC_SETPWD}; + memcpy( c.d.asBytes, pwd, 16); + SendCommand(&c); + + UsbCommand resp; + + if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) { + if ( (resp.arg[0] & 0xff) == 1) + PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16)); + else{ + PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff); + return 1; + } + } + else { + PrintAndLog("command execution time out"); + return 1; + } + + return 0; +} + +// +// Magic UL / UL-C tags - Set UID +// +int CmdHF14AMfucSetUid(const char *Cmd){ + + UsbCommand c; + UsbCommand resp; + uint8_t uid[7] = {0x00}; + char cmdp = param_getchar(Cmd, 0); + + if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mfu setuid "); + PrintAndLog(" [uid] - (14 hex symbols)"); + PrintAndLog("\nThis only works for Magic Ultralight tags."); + PrintAndLog(""); + PrintAndLog("sample: hf mfu setuid 11223344556677"); + PrintAndLog(""); + return 0; + } + + if (param_gethex(Cmd, 0, uid, 14)) { + PrintAndLog("UID must include 14 HEX symbols"); + return 1; + } + + // read block2. + c.cmd = CMD_MIFAREU_READBL; + c.arg[0] = 2; + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + PrintAndLog("Command execute timeout"); + return 2; + } + + // save old block2. + uint8_t oldblock2[4] = {0x00}; + memcpy(resp.d.asBytes, oldblock2, 4); + + // block 0. + c.cmd = CMD_MIFAREU_WRITEBL; + c.arg[0] = 0; + c.d.asBytes[0] = uid[0]; + c.d.asBytes[1] = uid[1]; + c.d.asBytes[2] = uid[2]; + c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2]; + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + PrintAndLog("Command execute timeout"); + return 3; + } + + // block 1. + c.arg[0] = 1; + c.d.asBytes[0] = uid[3]; + c.d.asBytes[1] = uid[4]; + c.d.asBytes[2] = uid[5]; + c.d.asBytes[3] = uid[6]; + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) { + PrintAndLog("Command execute timeout"); + return 4; + } + + // block 2. + c.arg[0] = 2; + c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6]; + c.d.asBytes[1] = oldblock2[1]; + c.d.asBytes[2] = oldblock2[2]; + c.d.asBytes[3] = oldblock2[3]; + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) { + PrintAndLog("Command execute timeout"); + return 5; + } + + return 0; +} + +int CmdHF14AMfuGenDiverseKeys(const char *Cmd){ + + uint8_t iv[8] = { 0x00 }; + uint8_t block = 0x07; + + // UL-EV1 + //04 57 b6 e2 05 3f 80 UID + //4a f8 4b 19 PWD + uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E }; + uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 }; + uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 }; + uint8_t dkeyA[8] = { 0x00 }; + uint8_t dkeyB[8] = { 0x00 }; + + uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff }; + + uint8_t mix[8] = { 0x00 }; + uint8_t divkey[8] = { 0x00 }; + + memcpy(mix, mifarekeyA, 4); + + mix[4] = mifarekeyA[4] ^ uid[0]; + mix[5] = mifarekeyA[5] ^ uid[1]; + mix[6] = block ^ uid[2]; + mix[7] = uid[3]; + + des3_context ctx = { 0x00 }; + des3_set2key_enc(&ctx, masterkey); + + des3_crypt_cbc(&ctx // des3_context + , DES_ENCRYPT // int mode + , sizeof(mix) // length + , iv // iv[8] + , mix // input + , divkey // output + ); + + PrintAndLog("3DES version"); + PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey))); + PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid))); + PrintAndLog("Sector :\t %0d", block); + PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA))); + PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix))); + PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6)); + + PrintAndLog("\n DES version"); + + for (int i=0; i < sizeof(mifarekeyA); ++i){ + dkeyA[i] = (mifarekeyA[i] << 1) & 0xff; + dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1); + } + + for (int i=0; i < sizeof(mifarekeyB); ++i){ + dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1); + dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff; + } + + uint8_t zeros[8] = {0x00}; + uint8_t newpwd[8] = {0x00}; + uint8_t dmkey[24] = {0x00}; + memcpy(dmkey, dkeyA, 8); + memcpy(dmkey+8, dkeyB, 8); + memcpy(dmkey+16, dkeyA, 8); + memset(iv, 0x00, 8); + + des3_set3key_enc(&ctx, dmkey); + + des3_crypt_cbc(&ctx // des3_context + , DES_ENCRYPT // int mode + , sizeof(newpwd) // length + , iv // iv[8] + , zeros // input + , newpwd // output + ); + + PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA))); + PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB))); + PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey))); + PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd))); + + return 0; +} + +// static uint8_t * diversify_key(uint8_t * key){ + + // for(int i=0; i<16; i++){ + // if(i<=6) key[i]^=cuid[i]; + // if(i>6) key[i]^=cuid[i%7]; + // } + // return key; +// } + +// static void GenerateUIDe( uint8_t *uid, uint8_t len){ + // for (int i=0; i