use read instead of readcheck except to auth

This commit is contained in:
marshmellow42 2015-07-23 01:12:02 -04:00
parent 4d68ec02b2
commit 3ac22ee1cf
7 changed files with 82 additions and 62 deletions

View file

@ -1080,19 +1080,22 @@ void UsbPacketReceived(uint8_t *packet, int len)
emlSet(c->d.asBytes,c->arg[0], c->arg[1]);
break;
case CMD_ICLASS_WRITEBLOCK:
iClass_WriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
iClass_WriteBlock(c->arg[0], c->d.asBytes);
break;
case CMD_ICLASS_READCHECK: // auth step 1
iClass_ReadCheck(c->arg[0], c->arg[1]);
break;
case CMD_ICLASS_READBLOCK:
iClass_ReadBlk(c->arg[0], c->arg[1]);
iClass_ReadBlk(c->arg[0]);
break;
case CMD_ICLASS_AUTHENTICATION:
case CMD_ICLASS_AUTHENTICATION: //check
iClass_Authentication(c->d.asBytes);
break;
case CMD_ICLASS_DUMP:
iClass_Dump(c->arg[0], c->arg[1], c->arg[2]);
iClass_Dump(c->arg[0], c->arg[1]);
break;
case CMD_ICLASS_CLONE:
iClass_Clone(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
iClass_Clone(c->arg[0], c->arg[1], c->d.asBytes);
break;
#endif

View file

@ -166,11 +166,12 @@ void ReaderIClass(uint8_t arg0);
void ReaderIClass_Replay(uint8_t arg0,uint8_t *MAC);
void IClass_iso14443A_GetPublic(uint8_t arg0);
void iClass_Authentication(uint8_t *MAC);
void iClass_WriteBlock(uint8_t blockNo, uint8_t keyType, uint8_t *data);
void iClass_ReadBlk(uint8_t blockNo, uint8_t keyType);
bool iClass_ReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *readdata);
void iClass_Dump(uint8_t blockno, uint8_t numblks, uint8_t keyType);
void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t keyType, uint8_t *data);
void iClass_WriteBlock(uint8_t blockNo, uint8_t *data);
void iClass_ReadBlk(uint8_t blockNo);
bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata);
void iClass_Dump(uint8_t blockno, uint8_t numblks);
void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t *data);
void iClass_ReadCheck(uint8_t blockNo, uint8_t keyType);
// hitag2.h
void SnoopHitag(uint32_t type);

View file

@ -1911,51 +1911,63 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
LED_A_OFF();
}
void iClass_ReadCheck(uint8_t blockNo, uint8_t keyType) {
uint8_t readcheck[] = { keyType, blockNo };
uint8_t resp[] = {0,0,0,0,0,0,0,0};
size_t isOK = 0;
isOK = sendCmdGetResponseWithRetries(readcheck, sizeof(readcheck), resp, sizeof(resp), 6);
cmd_send(CMD_ACK,isOK,0,0,0,0);
}
void iClass_Authentication(uint8_t *MAC) {
uint8_t check[] = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t check[] = { ICLASS_CMD_CHECK, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t resp[ICLASS_BUFFER_SIZE];
memcpy(check+5,MAC,4);
bool isOK;
isOK = sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5);
isOK = sendCmdGetResponseWithRetries(check, sizeof(check), resp, 4, 6);
cmd_send(CMD_ACK,isOK,0,0,0,0);
}
bool iClass_ReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *readdata) {
uint8_t readcmd[] = {keyType, blockNo}; //0x88, 0x00
uint8_t resp[8];
size_t isOK = 1;
bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata) {
uint8_t readcmd[] = {ICLASS_CMD_READ_OR_IDENTIFY, blockNo, 0x00, 0x00}; //0x88, 0x00 // can i use 0C?
char bl = blockNo;
uint16_t rdCrc = iclass_crc16(&bl, 1);
readcmd[2] = rdCrc >> 8;
readcmd[3] = rdCrc & 0xff;
uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK = false;
readcmd[1] = blockNo;
isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd),resp, 8, 5);
memcpy(readdata,resp,sizeof(resp));
//readcmd[1] = blockNo;
isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd), resp, 10, 10);
memcpy(readdata, resp, sizeof(resp));
return isOK;
}
void iClass_ReadBlk(uint8_t blockno, uint8_t keyType) {
uint8_t readblockdata[8];
void iClass_ReadBlk(uint8_t blockno) {
uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK = false;
isOK = iClass_ReadBlock(blockno, keyType, readblockdata);
cmd_send(CMD_ACK,isOK,0,0,readblockdata,8);
isOK = iClass_ReadBlock(blockno, readblockdata);
cmd_send(CMD_ACK, isOK, 0, 0, readblockdata, 8);
}
void iClass_Dump(uint8_t blockno, uint8_t numblks, uint8_t keyType) {
uint8_t readblockdata[8];
void iClass_Dump(uint8_t blockno, uint8_t numblks) {
uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK = false;
uint8_t blkCnt = 0;
BigBuf_free();
uint8_t *dataout = BigBuf_malloc(255*8);
memset(dataout,0xFF,255*8);
if (dataout == NULL){
Dbprintf("out of memory");
OnError(1);
return;
}
memset(dataout,0xFF,255*8);
for (;blkCnt < numblks; blkCnt++) {
isOK = iClass_ReadBlock(blockno+blkCnt, keyType, readblockdata);
if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0x33 || readblockdata[2] == 0xBB)) { //try again
isOK = iClass_ReadBlock(blockno+blkCnt, keyType, readblockdata);
isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0xBB || readblockdata[2] == 0xBB)) { //try again
isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
if (!isOK) {
Dbprintf("Block %02X failed to read", blkCnt+blockno);
break;
@ -1970,30 +1982,26 @@ void iClass_Dump(uint8_t blockno, uint8_t numblks, uint8_t keyType) {
BigBuf_free();
}
bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
uint8_t write[] = { 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t readblockdata[8];
write[1] = blockNo;
bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t *data) {
uint8_t write[] = { ICLASS_CMD_UPDATE, blockNo, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
//uint8_t readblockdata[10];
//write[1] = blockNo;
memcpy(write+2, data, 12); // data + mac
uint8_t resp[10];
uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK;
isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),5);
isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
if (isOK) {
isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
//try again
if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0xBB || readblockdata[2] == 0xBB))
isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
}
if (isOK) {
if (memcmp(write+2,readblockdata,sizeof(readblockdata)) != 0){
isOK=false;
//Dbprintf("WriteResp: %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",resp[0],resp[1],resp[2],resp[3],resp[4],resp[5],resp[6],resp[7],resp[8],resp[9]);
if (memcmp(write+2,resp,8)) {
//error try again
isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
}
}
return isOK;
}
void iClass_WriteBlock(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
bool isOK = iClass_WriteBlock_ext(blockNo, keyType, data);
void iClass_WriteBlock(uint8_t blockNo, uint8_t *data) {
bool isOK = iClass_WriteBlock_ext(blockNo, data);
if (isOK){
Dbprintf("Write block [%02x] successful",blockNo);
} else {
@ -2002,17 +2010,17 @@ void iClass_WriteBlock(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
cmd_send(CMD_ACK,isOK,0,0,0,0);
}
void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t keyType, uint8_t *data) {
void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t *data) {
int i;
int written = 0;
int total_block = (endblock - startblock) + 1;
for (i = 0; i < total_block;i++){
// block number
if (iClass_WriteBlock_ext(i+startblock, keyType, data+(i*12))){
if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
Dbprintf("Write block [%02x] successful",i + startblock);
written++;
} else {
if (iClass_WriteBlock_ext(i+startblock, keyType, data+(i*12))){
if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
Dbprintf("Write block [%02x] successful",i + startblock);
written++;
} else {

View file

@ -472,7 +472,7 @@ static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool v
UsbCommand resp;
UsbCommand c = {CMD_READER_ICLASS, {0}};
c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_CC;
c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_ONE_TRY;
if (use_credit_key)
c.arg[0] |= FLAG_ICLASS_READER_CEDITKEY;
@ -651,6 +651,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
ul_switch_off_field();
return 0;
}
uint8_t readStatus = resp.arg[0] & 0xff;
@ -658,6 +659,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
if(readStatus == 0){
PrintAndLog("No tag found...");
ul_switch_off_field();
return 0;
}
if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
@ -673,6 +675,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
}
if (numblks > maxBlk) numblks = maxBlk;
}
ul_switch_off_field();
// authenticate debit key and get div_key - later store in dump block 3
if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){
//try twice - for some reason it sometimes fails the first time...
@ -683,17 +686,19 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
}
// begin dump
UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1, 0x88}};
UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1}};
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute time-out 1");
ul_switch_off_field();
return 1;
}
uint32_t blocksRead = resp.arg[1];
uint8_t isOK = resp.arg[0] & 0xff;
if (!isOK && !blocksRead) {
PrintAndLog("Read Block Failed");
ul_switch_off_field();
return 0;
}
uint32_t startindex = resp.arg[2];
@ -724,17 +729,18 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
// setup dump and start
w.arg[0] = blockno + blocksRead;
w.arg[1] = maxBlk - (blockno + blocksRead);
w.arg[2] = 0x18;
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout 2");
ul_switch_off_field();
return 0;
}
uint8_t isOK = resp.arg[0] & 0xff;
blocksRead = resp.arg[1];
if (!isOK && !blocksRead) {
PrintAndLog("Read Block Failed 2");
ul_switch_off_field();
return 0;
}
@ -776,16 +782,15 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool verbose) {
uint8_t MAC[4]={0x00,0x00,0x00,0x00};
uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t keyType = (use_credit_key) ? 0x18 : 0x88;
if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, verbose))
return 0;
UsbCommand resp;
Calc_wb_mac(blockno,bldata,div_key,MAC);
UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno, keyType}};
UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno}};
memcpy(w.d.asBytes, bldata, 8);
memcpy(w.d.asBytes + 8,MAC, 4);
memcpy(w.d.asBytes + 8, MAC, 4);
clearCommandBuffer();
SendCommand(&w);
@ -800,7 +805,6 @@ static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_c
return 0;
}
PrintAndLog("Write Block Successful");
return 1;
}
@ -820,7 +824,7 @@ int usage_hf_iclass_writeblock(void) {
int CmdHFiClass_WriteBlock(const char *Cmd) {
uint8_t blockno=0;
uint8_t bldata[8]={0};
uint8_t bldata[8]={0,0,0,0,0,0,0,0};
uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
@ -891,8 +895,9 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
}
if (cmdp < 6) return usage_hf_iclass_writeblock();
return WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
ul_switch_off_field();
return ans;
}
int usage_hf_iclass_clone(void) {
@ -1027,7 +1032,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, true))
return 0;
UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock,((use_credit_key) ? 0x18 : 0x88)}};
UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}};
uint8_t *ptr;
// calculate all mac for every the block we will write
for (i = startblock; i <= endblock; i++){
@ -1065,7 +1070,7 @@ static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite,
return 0;
UsbCommand resp;
UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno, keyType}};
UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}};
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))

View file

@ -115,6 +115,7 @@ typedef struct {
#define CMD_WRITER_LEGIC_RF 0x0389
#define CMD_EPA_PACE_COLLECT_NONCE 0x038A
#define CMD_ICLASS_READCHECK 0x038F
#define CMD_ICLASS_CLONE 0x0390
#define CMD_ICLASS_DUMP 0x0391
#define CMD_SNOOP_ICLASS 0x0392

View file

@ -87,6 +87,7 @@ local _commands = {
CMD_EPA_PACE_COLLECT_NONCE = 0x038A,
--//CMD_EPA_ = 0x038B,
CMD_ICLASS_READCHECK = 0x038F,
CMD_ICLASS_CLONE = 0x0390,
CMD_ICLASS_DUMP = 0x0391,
CMD_SNOOP_ICLASS = 0x0392,

View file

@ -129,6 +129,7 @@ typedef struct{
#define CMD_EPA_PACE_COLLECT_NONCE 0x038A
#define CMD_EPA_PACE_REPLAY 0x038B
#define CMD_ICLASS_READCHECK 0x038F
#define CMD_ICLASS_CLONE 0x0390
#define CMD_ICLASS_DUMP 0x0391
#define CMD_SNOOP_ICLASS 0x0392