X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/17ad0e094855b66a8855d1b0f561d76620fd1e6c..790e8eae099de71161aea127c386c6c1b2c71f04:/client/cmdhf14b.c diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c index d3b86488..2e90bc4b 100644 --- a/client/cmdhf14b.c +++ b/client/cmdhf14b.c @@ -11,7 +11,6 @@ #include #include #include -//#include #include #include "iso14443crc.h" #include "proxmark3.h" @@ -23,19 +22,21 @@ #include "cmdhf14b.h" #include "cmdmain.h" #include "cmdhf14a.h" +#include "tea.h" +#include "cmdhf.h" +#include "prng.h" +#include "sha1.h" static int CmdHelp(const char *Cmd); -int CmdHF14BList(const char *Cmd) -{ - PrintAndLog("Deprecated command, use 'hf list 14b' instead"); - +int CmdHF14BList(const char *Cmd) { + CmdHFList("14b"); return 0; } int CmdHF14BSim(const char *Cmd) { - UsbCommand c={CMD_SIMULATE_TAG_ISO_14443B}; + UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443B}; clearCommandBuffer(); SendCommand(&c); return 0; @@ -43,7 +44,7 @@ int CmdHF14BSim(const char *Cmd) int CmdHF14BSnoop(const char *Cmd) { - UsbCommand c = {CMD_SNOOP_ISO_14443B}; + UsbCommand c = {CMD_SNOOP_ISO_14443B}; clearCommandBuffer(); SendCommand(&c); return 0; @@ -65,69 +66,70 @@ int CmdSri512Read(const char *Cmd) * SRIX4K tags are ISO14443-B modulated memory tags, * this command just dumps the contents of the memory/ */ -int CmdSrix4kRead(const char *Cmd) -{ +int CmdSrix4kRead(const char *Cmd) { UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}}; clearCommandBuffer(); SendCommand(&c); return 0; } -int rawClose(void){ +static int rawCloseEx(bool verbose){ UsbCommand resp; UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; clearCommandBuffer(); SendCommand(&c); - if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) { + if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)) { + if ( verbose ) PrintAndLog("Command time-out"); return 0; } - return 0; + return 1; +} +static int rawClose() { + return rawCloseEx(false); } int HF14BCmdRaw(bool reply, bool *crc, bool power, uint8_t *data, uint8_t *datalen, bool verbose){ - UsbCommand resp; - UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power - if(*crc) - { - uint8_t first, second; - ComputeCrc14443(CRC_14443_B, data, *datalen, &first, &second); - data[*datalen] = first; - data[*datalen + 1] = second; + + if(*crc) { + ComputeCrc14443(CRC_14443_B, data, *datalen, data+*datalen, data+*datalen+1); *datalen += 2; } + UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power c.arg[0] = *datalen; c.arg[1] = reply; c.arg[2] = power; - memcpy(c.d.asBytes,data,*datalen); + memcpy(c.d.asBytes, data, *datalen); clearCommandBuffer(); SendCommand(&c); if (!reply) return 1; + UsbCommand resp; if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) { if (verbose) PrintAndLog("timeout while waiting for reply."); return 0; } - int len = resp.arg[0]; - if (verbose) { - PrintAndLog("received %u octets", len); - } - if ( len < 2 ) return 0; - - memcpy(data, resp.d.asBytes, len); - if (verbose) PrintAndLog("%s", sprint_hex(data, len)); + *datalen = resp.arg[0]; + if (verbose) PrintAndLog("received %u octets", *datalen); + if(*datalen<3) return 0; - uint8_t first, second; - ComputeCrc14443(CRC_14443_B, data, len-2, &first, &second); - if(data[len-2] == first && data[len-1] == second) { - if (verbose) PrintAndLog("CRC OK"); - *crc = true; - } else { - if (verbose) PrintAndLog("CRC failed"); - *crc = false; - } + memcpy(data, resp.d.asBytes, *datalen); + + uint8_t first = 0, second = 0; + ComputeCrc14443(CRC_14443_B, data, *datalen-2, &first, &second); + *crc = ( data[*datalen-2] == first && data[*datalen-1] == second); + + if (verbose) + PrintAndLog("[LEN %u] %s[%02X %02X] %s", + *datalen, + sprint_hex(data, *datalen-2), + data[*datalen-2], + data[*datalen-1], + (*crc)?"OK":"FAIL" + ); + return 1; } @@ -135,16 +137,20 @@ int CmdHF14BCmdRaw (const char *Cmd) { bool reply = true; bool crc = false; bool power = false; + bool select = false; + bool SRx = false; char buf[5]=""; uint8_t data[USB_CMD_DATA_SIZE] = {0x00}; uint8_t datalen = 0; unsigned int temp; int i = 0; if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>"); + PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] [-s || -ss] <0A 0B 0C ... hex>"); PrintAndLog(" -r do not read response"); PrintAndLog(" -c calculate and append CRC"); PrintAndLog(" -p leave the field on after receive"); + PrintAndLog(" -s active signal field ON with select"); + PrintAndLog(" -ss active signal field ON with select for SRx ST Microelectronics tags"); return 0; } @@ -167,6 +173,14 @@ int CmdHF14BCmdRaw (const char *Cmd) { case 'P': power = true; break; + case 's': + case 'S': + select = true; + if (Cmd[i+2]=='s' || Cmd[i+2]=='S') { + SRx = true; + i++; + } + break; default: PrintAndLog("Invalid option"); return 0; @@ -185,11 +199,12 @@ int CmdHF14BCmdRaw (const char *Cmd) { sscanf(buf,"%x",&temp); data[datalen++]=(uint8_t)(temp & 0xff); *buf=0; + memset(buf, 0x00, sizeof(buf)); } continue; } PrintAndLog("Invalid char on input"); - return 1; + return 0; } if (datalen == 0) { @@ -197,11 +212,65 @@ int CmdHF14BCmdRaw (const char *Cmd) { return 0; } + if (select){ //auto select 14b tag + uint8_t cmd2[16]; + bool crc2 = true; + uint8_t cmdLen; + + if (SRx) { + // REQ SRx + cmdLen = 2; + cmd2[0] = 0x06; + cmd2[1] = 0x00; + } else { + // REQB + cmdLen = 3; + cmd2[0] = 0x05; + cmd2[1] = 0x00; + cmd2[2] = 0x08; + } + + // REQB + if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose(); + + PrintAndLog("REQB : %s", sprint_hex(cmd2, cmdLen)); + + if ( SRx && (cmdLen != 3 || !crc2) ) return rawClose(); + else if (cmd2[0] != 0x50 || cmdLen != 14 || !crc2) return rawClose(); + + uint8_t chipID = 0; + if (SRx) { + // select + chipID = cmd2[0]; + cmd2[0] = 0x0E; + cmd2[1] = chipID; + cmdLen = 2; + } else { + // attrib + cmd2[0] = 0x1D; + // UID from cmd2[1 - 4] + cmd2[5] = 0x00; + cmd2[6] = 0x08; + cmd2[7] = 0x01; + cmd2[8] = 0x00; + cmdLen = 9; + } + // wait + + // attrib + if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose(); + PrintAndLog("ATTRIB : %s", sprint_hex(cmd2, cmdLen)); + + if (cmdLen != 3 || !crc2) return rawClose(); + if (SRx && cmd2[0] != chipID) return rawClose(); + + } return HF14BCmdRaw(reply, &crc, power, data, &datalen, true); } +// print full atqb info static void print_atqb_resp(uint8_t *data){ - PrintAndLog (" UID: %s", sprint_hex(data+1,4)); + //PrintAndLog (" UID: %s", sprint_hex(data+1,4)); PrintAndLog (" App Data: %s", sprint_hex(data+5,4)); PrintAndLog (" Protocol: %s", sprint_hex(data+9,3)); uint8_t BitRate = data[9]; @@ -222,18 +291,20 @@ static void print_atqb_resp(uint8_t *data){ else if (maxFrame == 8) maxFrame = 256; else maxFrame = 257; - PrintAndLog ("Max Frame Size: %d%s", maxFrame, (maxFrame == 257) ? "+ RFU" : ""); + PrintAndLog ("Max Frame Size: %u%s",maxFrame, (maxFrame == 257) ? "+ RFU" : ""); uint8_t protocolT = data[10] & 0xF; PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " ); - PrintAndLog ("Frame Wait Int: %d", data[11]>>4); + PrintAndLog ("Frame Wait Int: %u", data[11]>>4); PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary"); PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not "); PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not "); + PrintAndLog ("Max Buf Length: %u (MBLI) %s",data[14]>>4, (data[14] & 0xF0) ? "" : "not supported"); return; } +// get SRx chip model (from UID) // from ST Microelectronics char *get_ST_Chip_Model(uint8_t data){ static char model[20]; char *retStr = model; @@ -247,12 +318,78 @@ char *get_ST_Chip_Model(uint8_t data){ case 0x6: sprintf(retStr, "SRI512"); break; case 0x7: sprintf(retStr, "SRI4K"); break; case 0xC: sprintf(retStr, "SRT512"); break; - default: sprintf(retStr, "Unknown"); break; + default : sprintf(retStr, "Unknown"); break; } return retStr; } -static void print_st_info(uint8_t *data){ +int print_ST_Lock_info(uint8_t model){ + //assume connection open and tag selected... + uint8_t data[16] = {0x00}; + uint8_t datalen = 2; + bool crc = true; + uint8_t resplen; + uint8_t blk1; + data[0] = 0x08; + + if (model == 0x2) { //SR176 has special command: + data[1] = 0xf; + resplen = 4; + } else { + data[1] = 0xff; + resplen = 6; + } + + //std read cmd + if (HF14BCmdRaw(true, &crc, true, data, &datalen, false)==0) return rawClose(); + + if (datalen != resplen || !crc) return rawClose(); + + PrintAndLog("Chip Write Protection Bits:"); + // now interpret the data + switch (model){ + case 0x0: //fall through (SRIX4K special) + case 0x3: //fall through (SRIx4K) + case 0x7: // (SRI4K) + //only need data[3] + blk1 = 9; + PrintAndLog(" raw: %s", sprint_bin(data+3, 1)); + PrintAndLog(" 07/08:%slocked", (data[3] & 1) ? " not " : " " ); + for (uint8_t i = 1; i<8; i++){ + PrintAndLog(" %02u:%slocked", blk1, (data[3] & (1 << i)) ? " not " : " " ); + blk1++; + } + break; + case 0x4: //fall through (SRIX512) + case 0x6: //fall through (SRI512) + case 0xC: // (SRT512) + //need data[2] and data[3] + blk1 = 0; + PrintAndLog(" raw: %s", sprint_bin(data+2, 2)); + for (uint8_t b=2; b<4; b++){ + for (uint8_t i=0; i<8; i++){ + PrintAndLog(" %02u:%slocked", blk1, (data[b] & (1 << i)) ? " not " : " " ); + blk1++; + } + } + break; + case 0x2: // (SR176) + //need data[2] + blk1 = 0; + PrintAndLog(" raw: %s", sprint_bin(data+2, 1)); + for (uint8_t i = 0; i<8; i++){ + PrintAndLog(" %02u/%02u:%slocked", blk1, blk1+1, (data[2] & (1 << i)) ? " " : " not " ); + blk1+=2; + } + break; + default: + return rawClose(); + } + return 1; +} + +// print UID info from SRx chips (ST Microelectronics) +static void print_st_general_info(uint8_t *data){ //uid = first 8 bytes in data PrintAndLog(" UID: %s", sprint_hex(SwapEndian64(data,8,8),8)); PrintAndLog(" MFG: %02X, %s", data[6], getTagInfo(data[6])); @@ -260,12 +397,12 @@ static void print_st_info(uint8_t *data){ return; } -int HF14BStdInfo(uint8_t *data, uint8_t *datalen){ - +// 14b get and print UID only (general info) +int HF14BStdReader(uint8_t *data, uint8_t *datalen, bool verbose){ //05 00 00 = find one tag in field - //1d xx xx xx xx 20 00 08 01 00 = attrib xx=crc - //a3 = ? (resp 03 e2 c2) - //02 = ? (resp 02 6a d3) + //1d xx xx xx xx 00 08 01 00 = attrib xx=UID (resp 10 [f9 e0]) + //a3 = ? (resp 03 [e2 c2]) + //02 = ? (resp 02 [6a d3]) // 022b (resp 02 67 00 [29 5b]) // 0200a40400 (resp 02 67 00 [29 5b]) // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b]) @@ -277,25 +414,59 @@ int HF14BStdInfo(uint8_t *data, uint8_t *datalen){ // 0200a4040010a000000018300301000000000000000000 (resp 02 6a 82 [4b 4c]) //03 = ? (resp 03 [e3 c2]) //c2 = ? (resp c2 [66 15]) - //b2 = ? (resp a3 [e9 67]) + //b2 = ? (resp a3 [e9 67]) + //a2 = ? (resp 02 [6a d3]) bool crc = true; *datalen = 3; //std read cmd data[0] = 0x05; data[1] = 0x00; - data[2] = 0x00; + data[2] = 0x08; - if (HF14BCmdRaw(true, &crc, false, data, datalen, false)==0) return 0; + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawCloseEx(verbose); - if (data[0] != 0x50 || *datalen != 14 || !crc) return 0; + if (data[0] != 0x50 || *datalen != 14 || !crc) return rawCloseEx(verbose); PrintAndLog ("\n14443-3b tag found:"); - print_atqb_resp(data); + PrintAndLog (" UID: %s", sprint_hex(data+1,4)); + + uint8_t cmd2[16]; + uint8_t cmdLen = 3; + bool crc2 = true; + + cmd2[0] = 0x1D; + // UID from data[1 - 4] + cmd2[1] = data[1]; + cmd2[2] = data[2]; + cmd2[3] = data[3]; + cmd2[4] = data[4]; + cmd2[5] = 0x00; + cmd2[6] = 0x08; + cmd2[7] = 0x01; + cmd2[8] = 0x00; + cmdLen = 9; + + // attrib + if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) rawCloseEx(verbose); + + if (cmdLen != 3 || !crc2) return rawCloseEx(verbose); + // add attrib responce to data + data[14] = cmd2[0]; + rawCloseEx(verbose); + return 1; +} + +// 14b get and print Full Info (as much as we know) +int HF14BStdInfo(uint8_t *data, uint8_t *datalen, bool verbose){ + if (!HF14BStdReader(data,datalen, verbose)) return 0; + //add more info here + print_atqb_resp(data); return 1; } -int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){ +// SRx get and print general info about SRx chip from UID +int HF14B_ST_Reader(uint8_t *data, uint8_t *datalen, bool closeCon, bool verbose){ bool crc = true; *datalen = 2; //wake cmd @@ -304,7 +475,7 @@ int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){ //leave power on // verbose on for now for testing - turn off when functional - if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose(); + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawCloseEx(verbose); if (*datalen != 3 || !crc) return rawClose(); @@ -315,28 +486,42 @@ int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){ *datalen = 2; //leave power on - // verbose on for now for testing - turn off when functional - if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose(); + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawCloseEx(verbose); - if (*datalen != 3 || !crc || data[0] != chipID) return rawClose(); + if (*datalen != 3 || !crc || data[0] != chipID) return rawCloseEx(verbose); // get uid data[0] = 0x0B; *datalen = 1; - //power off - // verbose on for now for testing - turn off when functional - if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return 0; - rawClose(); - if (*datalen != 10 || !crc) return 0; + //leave power on + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawCloseEx(verbose); + + if (*datalen != 10 || !crc) return rawCloseEx(verbose); + + //power off ? + if (closeCon) rawCloseEx(verbose); + + if (verbose ) { + PrintAndLog("\n14443-3b ST tag found:"); + print_st_general_info(data); + } + return 1; +} + +// SRx get and print full info (needs more info...) +int HF14B_ST_Info(uint8_t *data, uint8_t *datalen, bool verbose){ + if (!HF14B_ST_Reader(data, datalen, false, verbose)) return 0; + + //add locking bit information here. + if (print_ST_Lock_info(data[5]>>2)) + rawCloseEx(verbose); - PrintAndLog("\n14443-3b ST tag found:"); - print_st_info(data); return 1; } // test for other 14b type tags (mimic another reader - don't have tags to identify) -int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){ +int HF14B_Other_Reader(uint8_t *data, uint8_t *datalen, bool verbose){ bool crc = true; *datalen = 4; //std read cmd @@ -345,11 +530,12 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){ data[2] = 0x3f; data[3] = 0x80; - if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) { + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) { if (*datalen > 2 || !crc) { PrintAndLog ("\n14443-3b tag found:"); PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:"); PrintAndLog ("%s",sprint_hex(data,*datalen)); + rawCloseEx(verbose); return 1; } } @@ -358,11 +544,12 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){ *datalen = 1; data[0] = 0x0a; - if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) { + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) { if (*datalen > 0) { PrintAndLog ("\n14443-3b tag found:"); PrintAndLog ("Unknown tag type answered to a 0x0A command ans:"); PrintAndLog ("%s",sprint_hex(data,*datalen)); + rawCloseEx(verbose); return 1; } } @@ -371,41 +558,67 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){ *datalen = 1; data[0] = 0x0c; - if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) { + if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) { if (*datalen > 0) { PrintAndLog ("\n14443-3b tag found:"); PrintAndLog ("Unknown tag type answered to a 0x0C command ans:"); PrintAndLog ("%s",sprint_hex(data,*datalen)); + rawCloseEx(verbose); return 1; } } - + rawCloseEx(verbose); return 0; - } +// get and print all info known about any known 14b tag int HF14BInfo(bool verbose){ - uint8_t data[100]; + uint8_t data[USB_CMD_DATA_SIZE]; uint8_t datalen = 5; // try std 14b (atqb) - if (HF14BStdInfo(data, &datalen)) return 1; + if (HF14BStdInfo(data, &datalen, verbose)) return 1; // try st 14b - if (HF14B_ST_Info(data, &datalen)) return 1; + if (HF14B_ST_Info(data, &datalen, verbose)) return 1; // try unknown 14b read commands (to be identified later) // could be read of calypso, CEPAS, moneo, or pico pass. - if (HF14B_Other_Info(data, &datalen)) return 1; + if (HF14B_Other_Reader(data, &datalen, verbose)) return 1; if (verbose) PrintAndLog("no 14443B tag found"); return 0; } +// menu command to get and print all info known about any known 14b tag int CmdHF14Binfo(const char *Cmd){ return HF14BInfo(true); } +// get and print general info about all known 14b chips +int HF14BReader(bool verbose){ + uint8_t data[USB_CMD_DATA_SIZE]; + uint8_t datalen = 5; + + // try std 14b (atqb) + if (HF14BStdReader(data, &datalen, verbose)) return 1; + + // try st 14b + if (HF14B_ST_Reader(data, &datalen, true, verbose)) return 1; + + // try unknown 14b read commands (to be identified later) + // could be read of calypso, CEPAS, moneo, or pico pass. + if (HF14B_Other_Reader(data, &datalen, verbose)) return 1; + + if (verbose) PrintAndLog("no 14443B tag found"); + return 0; +} + +// menu command to get and print general info about all known 14b chips +int CmdHF14BReader(const char *Cmd){ + return HF14BReader(true); +} + int CmdSriWrite( const char *Cmd){ /* * For SRIX4K blocks 00 - 7F @@ -473,28 +686,164 @@ int CmdSriWrite( const char *Cmd){ return 0; } -static command_t CommandTable[] = -{ +uint32_t srix4kEncode(uint32_t value) { +/* +// vv = value +// pp = position +// vv vv vv pp +4 bytes : 00 1A 20 01 +*/ + // only the lower crumbs. + uint8_t block = (value & 0xFF); + uint8_t i = 0; + uint8_t valuebytes[] = {0,0,0}; + + num_to_bytes(value, 3, valuebytes); + + // Scrambled part + // Crumb swapping of value. + uint8_t temp[] = {0,0}; + temp[0] = (CRUMB(value, 22) << 4 | CRUMB(value, 14 ) << 2 | CRUMB(value, 6)) << 4; + temp[0] |= CRUMB(value, 20) << 4 | CRUMB(value, 12 ) << 2 | CRUMB(value, 4); + temp[1] = (CRUMB(value, 18) << 4 | CRUMB(value, 10 ) << 2 | CRUMB(value, 2)) << 4; + temp[1] |= CRUMB(value, 16) << 4 | CRUMB(value, 8 ) << 2 | CRUMB(value, 0); + + // chksum part + uint32_t chksum = 0xFF - block; + + // chksum is reduced by each nibbles of value. + for (i = 0; i < 3; ++i){ + chksum -= NIBBLE_HIGH(valuebytes[i]); + chksum -= NIBBLE_LOW(valuebytes[i]); + } + + // base4 conversion and left shift twice + i = 3; + uint8_t base4[] = {0,0,0,0}; + while( chksum !=0 ){ + base4[i--] = (chksum % 4 << 2); + chksum /= 4; + } + + // merge scambled and chksum parts + uint32_t encvalue = + ( NIBBLE_LOW ( base4[0]) << 28 ) | + ( NIBBLE_HIGH( temp[0]) << 24 ) | + + ( NIBBLE_LOW ( base4[1]) << 20 ) | + ( NIBBLE_LOW ( temp[0]) << 16 ) | + + ( NIBBLE_LOW ( base4[2]) << 12 ) | + ( NIBBLE_HIGH( temp[1]) << 8 ) | + + ( NIBBLE_LOW ( base4[3]) << 4 ) | + NIBBLE_LOW ( temp[1] ); + + PrintAndLog("ICE encoded | %08X -> %08X", value, encvalue); + return encvalue; +} +uint32_t srix4kDecode(uint32_t value) { + switch(value) { + case 0xC04F42C5: return 0x003139; + case 0xC1484807: return 0x002943; + case 0xC0C60848: return 0x001A20; + } + return 0; +} +uint32_t srix4kDecodeCounter(uint32_t num) { + uint32_t value = ~num; + ++value; + return value; +} + +uint32_t srix4kGetMagicbytes( uint64_t uid, uint32_t block6, uint32_t block18, uint32_t block19 ){ +#define MASK 0xFFFFFFFF; + uint32_t uid32 = uid & MASK; + uint32_t counter = srix4kDecodeCounter(block6); + uint32_t decodedBlock18 = srix4kDecode(block18); + uint32_t decodedBlock19 = srix4kDecode(block19); + uint32_t doubleBlock = (decodedBlock18 << 16 | decodedBlock19) + 1; + + uint32_t result = (uid32 * doubleBlock * counter) & MASK; + PrintAndLog("Magic bytes | %08X", result); + return result; +} +int srix4kValid(const char *Cmd){ + + uint64_t uid = 0xD00202501A4532F9; + uint32_t block6 = 0xFFFFFFFF; + uint32_t block18 = 0xC04F42C5; + uint32_t block19 = 0xC1484807; + uint32_t block21 = 0xD1BCABA4; + + uint32_t test_b18 = 0x00313918; + uint32_t test_b18_enc = srix4kEncode(test_b18); + //uint32_t test_b18_dec = srix4kDecode(test_b18_enc); + PrintAndLog("ENCODE & CHECKSUM | %08X -> %08X (%s)", test_b18, test_b18_enc , ""); + + uint32_t magic = srix4kGetMagicbytes(uid, block6, block18, block19); + PrintAndLog("BLOCK 21 | %08X -> %08X (no XOR)", block21, magic ^ block21); + return 0; +} + +int CmdteaSelfTest(const char *Cmd){ + + uint8_t v[8], v_le[8]; + memset(v, 0x00, sizeof(v)); + memset(v_le, 0x00, sizeof(v_le)); + uint8_t* v_ptr = v_le; + + uint8_t cmdlen = strlen(Cmd); + cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen; + + if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){ + PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen); + return 1; + } + + SwapEndian64ex(v , 8, 4, v_ptr); + + // ENCRYPTION KEY: + uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB }; + uint8_t keyle[16]; + uint8_t* key_ptr = keyle; + SwapEndian64ex(key , sizeof(key), 4, key_ptr); + + PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8)); + + tea_decrypt(v_ptr, key_ptr); + PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8)); + + tea_encrypt(v_ptr, key_ptr); + tea_encrypt(v_ptr, key_ptr); + PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8)); + + return 0; +} + +static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"info", CmdHF14Binfo, 0, "Find and print info about a 14b type tag (HF ISO 14443b)"}, - {"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443b history"}, - {"sim", CmdHF14BSim, 0, "Fake ISO 14443B tag"}, - {"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443B"}, + {"info", CmdHF14Binfo, 0, "Find and print details about a 14443B tag"}, + {"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443B history"}, + {"reader", CmdHF14BReader, 0, "Act as a 14443B reader to identify a tag"}, + {"sim", CmdHF14BSim, 0, "Fake ISO 14443B tag"}, + {"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443B"}, {"sri512read", CmdSri512Read, 0, "Read contents of a SRI512 tag"}, {"srix4kread", CmdSrix4kRead, 0, "Read contents of a SRIX4K tag"}, - {"sriwrite", CmdSriWrite, 0, "Write data to a SRI512 | SRIX4K tag"}, + {"sriwrite", CmdSriWrite, 0, "Write data to a SRI512 | SRIX4K tag"}, {"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"}, + //{"valid", srix4kValid, 1, "srix4k checksum test"}, + {"valid", CmdteaSelfTest, 1, "tea test"}, {NULL, NULL, 0, NULL} }; -int CmdHF14B(const char *Cmd) -{ +int CmdHF14B(const char *Cmd) { + clearCommandBuffer(); CmdsParse(CommandTable, Cmd); return 0; } -int CmdHelp(const char *Cmd) -{ +int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); return 0; }