iclass refactor/cleanup

diff --git a/armsrc/iclass.c b/armsrc/iclass.c
index a27fb970069965c919fbd53a96066f0ebc4b474e..9a70c06be0b038b66c76a21c4ad38923af4e3d78 100644 (file)
--- a/armsrc/iclass.c
+++ b/armsrc/iclass.c
@@ -1918,7 +1918,6 @@ void iClass_Authentication(uint8_t *MAC) {
        bool isOK;
        isOK = sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5);
        cmd_send(CMD_ACK,isOK,0,0,0,0);
        bool isOK;
        isOK = sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5);
        cmd_send(CMD_ACK,isOK,0,0,0,0);

-       //Dbprintf("isOK %d, Tag response : %02x%02x%02x%02x",isOK,resp[0],resp[1],resp[2],resp[3]);

 }
 bool iClass_ReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *readdata) {
        uint8_t readcmd[] = {keyType, blockNo}; //0x88, 0x00
 }
 bool iClass_ReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *readdata) {
        uint8_t readcmd[] = {keyType, blockNo}; //0x88, 0x00


@@ -1936,7 +1935,6 @@ void iClass_ReadBlk(uint8_t blockno, uint8_t keyType) {
        uint8_t readblockdata[8];
        bool isOK = false;
        isOK = iClass_ReadBlock(blockno, keyType, readblockdata);
        uint8_t readblockdata[8];
        bool isOK = false;
        isOK = iClass_ReadBlock(blockno, keyType, readblockdata);

-       //Dbprintf("read block [%02x] [%02x%02x%02x%02x%02x%02x%02x%02x]",blockNo,readblockdata[0],readblockdata[1],readblockdata[2],readblockdata[3],readblockdata[4],readblockdata[5],readblockdata[6],readblockdata[7]);

        cmd_send(CMD_ACK,isOK,0,0,readblockdata,8);
 }
 
        cmd_send(CMD_ACK,isOK,0,0,readblockdata,8);
 }
 


@@ -1964,11 +1962,6 @@ void iClass_Dump(uint8_t blockno, uint8_t numblks, uint8_t keyType) {
                        }
                }
                memcpy(dataout+(blkCnt*8),readblockdata,8);
                        }
                }
                memcpy(dataout+(blkCnt*8),readblockdata,8);

-               /*Dbprintf("| %02x | %02x%02x%02x%02x%02x%02x%02x%02x |",
-                       blockno+blkCnt, readblockdata[0], readblockdata[1], readblockdata[2],
-                       readblockdata[3], readblockdata[4], readblockdata[5],
-                       readblockdata[6], readblockdata[7]);
-               */

        }
        //return pointer to dump memory in arg3
        cmd_send(CMD_ACK,isOK,blkCnt,BigBuf_max_traceLen(),0,0);
        }
        //return pointer to dump memory in arg3
        cmd_send(CMD_ACK,isOK,blkCnt,BigBuf_max_traceLen(),0,0);


@@ -1985,7 +1978,6 @@ bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
        uint8_t resp[10];
        bool isOK;
        isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),5);
        uint8_t resp[10];
        bool isOK;
        isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),5);

-       //Dbprintf("reply       [%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 (isOK) {
                isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
                //try again
        if (isOK) {
                isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
                //try again


@@ -1993,7 +1985,6 @@ bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
                        isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
        }
        if (isOK) {
                        isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
        }
        if (isOK) {

-               //Dbprintf("read block  [%02x] [%02x%02x%02x%02x%02x%02x%02x%02x]",blockNo,readblockdata[0],readblockdata[1],readblockdata[2],readblockdata[3],readblockdata[4],readblockdata[5],readblockdata[6],readblockdata[7]);

                if (memcmp(write+2,readblockdata,sizeof(readblockdata)) != 0){
                        isOK=false;
                }
                if (memcmp(write+2,readblockdata,sizeof(readblockdata)) != 0){
                        isOK=false;
                }

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index db3de20577a718a78999eba5158a5c15d96b8387..605793a57ff4028593ea38fe274493ebe30504f9 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -53,8 +53,7 @@ typedef struct iclass_block {
     uint8_t d[8];
 } iclass_block_t;
 
     uint8_t d[8];
 } iclass_block_t;
 

-int xorbits_8(uint8_t val)
-{
+int xorbits_8(uint8_t val) {

        uint8_t res = val ^ (val >> 1); //1st pass
        res = res ^ (res >> 1);                 // 2nd pass
        res = res ^ (res >> 2);                 // 3rd pass
        uint8_t res = val ^ (val >> 1); //1st pass
        res = res ^ (res >> 1);                 // 2nd pass
        res = res ^ (res >> 2);                 // 3rd pass


@@ -62,20 +61,18 @@ int xorbits_8(uint8_t val)
        return res & 1;
 }
 
        return res & 1;
 }
 

-int CmdHFiClassList(const char *Cmd)
-{
+int CmdHFiClassList(const char *Cmd) {

        PrintAndLog("Deprecated command, use 'hf list iclass' instead");
        return 0;
 }
 
        PrintAndLog("Deprecated command, use 'hf list iclass' instead");
        return 0;
 }
 

-int CmdHFiClassSnoop(const char *Cmd)
-{
+int CmdHFiClassSnoop(const char *Cmd) {

        UsbCommand c = {CMD_SNOOP_ICLASS};
        SendCommand(&c);
        return 0;
 }
        UsbCommand c = {CMD_SNOOP_ICLASS};
        SendCommand(&c);
        return 0;
 }

-int usage_hf_iclass_sim()
-{
+
+int usage_hf_iclass_sim(void) {

        PrintAndLog("Usage:  hf iclass sim <option> [CSN]");
        PrintAndLog("        options");
        PrintAndLog("                0 <CSN> simulate the given CSN");
        PrintAndLog("Usage:  hf iclass sim <option> [CSN]");
        PrintAndLog("        options");
        PrintAndLog("                0 <CSN> simulate the given CSN");


@@ -90,8 +87,7 @@ int usage_hf_iclass_sim()
 }
 
 #define NUM_CSNS 15
 }
 
 #define NUM_CSNS 15

-int CmdHFiClassSim(const char *Cmd)
-{
+int CmdHFiClassSim(const char *Cmd) {

        uint8_t simType = 0;
        uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 
        uint8_t simType = 0;
        uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 


@@ -184,8 +180,7 @@ int CmdHFiClassSim(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int HFiClassReader(const char *Cmd, bool loop, bool verbose)
-{
+int HFiClassReader(const char *Cmd, bool loop, bool verbose) {

        bool tagFound = false;
        UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN|
                                        FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_AA}};
        bool tagFound = false;
        UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN|
                                        FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_AA}};


@@ -222,13 +217,11 @@ int HFiClassReader(const char *Cmd, bool loop, bool verbose)
        return 0;
 }
 
        return 0;
 }
 

-int CmdHFiClassReader(const char *Cmd)
-{
+int CmdHFiClassReader(const char *Cmd) {

        return HFiClassReader(Cmd, true, true);
 }
 
        return HFiClassReader(Cmd, true, true);
 }
 

-int CmdHFiClassReader_Replay(const char *Cmd)
-{
+int CmdHFiClassReader_Replay(const char *Cmd) {

        uint8_t readerType = 0;
        uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
 
        uint8_t readerType = 0;
        uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
 


@@ -250,8 +243,14 @@ int CmdHFiClassReader_Replay(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int hf_iclass_eload_usage()
-{
+int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
+       UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
+       memcpy(c.d.asBytes, data, blocksCount * 16);
+       SendCommand(&c);
+       return 0;
+}
+
+int hf_iclass_eload_usage(void) {

        PrintAndLog("Loads iclass tag-dump into emulator memory on device");
        PrintAndLog("Usage:  hf iclass eload f <filename>");
        PrintAndLog("");
        PrintAndLog("Loads iclass tag-dump into emulator memory on device");
        PrintAndLog("Usage:  hf iclass eload f <filename>");
        PrintAndLog("");


@@ -259,14 +258,7 @@ int hf_iclass_eload_usage()
        return 0;
 }
 
        return 0;
 }
 

-int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
-       UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
-       memcpy(c.d.asBytes, data, blocksCount * 16);
-       SendCommand(&c);
-       return 0;
-}
-int CmdHFiClassELoad(const char *Cmd)
-{
+int CmdHFiClassELoad(const char *Cmd) {

 
        char opt = param_getchar(Cmd, 0);
        if (strlen(Cmd)<1 || opt == 'h')
 
        char opt = param_getchar(Cmd, 0);
        if (strlen(Cmd)<1 || opt == 'h')


@@ -323,8 +315,7 @@ int CmdHFiClassELoad(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
-{
+static int readKeyfile(const char *filename, size_t len, uint8_t* buffer) {

        FILE *f = fopen(filename, "rb");
        if(!f) {
                PrintAndLog("Failed to read from file '%s'", filename);
        FILE *f = fopen(filename, "rb");
        if(!f) {
                PrintAndLog("Failed to read from file '%s'", filename);


@@ -348,9 +339,8 @@ int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_iclass_decrypt()
-{
-       PrintAndLog("Usage: hf iclass decrypt f <tagdump> o ");
+int usage_hf_iclass_decrypt(void) {
+       PrintAndLog("Usage: hf iclass decrypt f <tagdump>");

        PrintAndLog("");
        PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
        PrintAndLog("in the working directory. The file should be 16 bytes binary data");
        PrintAndLog("");
        PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
        PrintAndLog("in the working directory. The file should be 16 bytes binary data");


@@ -363,8 +353,7 @@ int usage_hf_iclass_decrypt()
        return 1;
 }
 
        return 1;
 }
 

-int CmdHFiClassDecrypt(const char *Cmd)
-{
+int CmdHFiClassDecrypt(const char *Cmd) {

        uint8_t key[16] = { 0 };
        if(readKeyfile("iclass_decryptionkey.bin", 16, key))
        {
        uint8_t key[16] = { 0 };
        if(readKeyfile("iclass_decryptionkey.bin", 16, key))
        {


@@ -421,7 +410,7 @@ int CmdHFiClassDecrypt(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_iclass_encrypt(){
+int usage_hf_iclass_encrypt(void) {

        PrintAndLog("Usage: hf iclass encrypt <BlockData>");
        PrintAndLog("");
        PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
        PrintAndLog("Usage: hf iclass encrypt <BlockData>");
        PrintAndLog("");
        PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");


@@ -432,8 +421,7 @@ int usage_hf_iclass_encrypt(){
        return 0;
 }
 
        return 0;
 }
 

-int iClassEncryptBlkData(uint8_t *blkData)
-{
+static int iClassEncryptBlkData(uint8_t *blkData) {

        uint8_t key[16] = { 0 };
        if(readKeyfile("iclass_decryptionkey.bin", 16, key))
        {
        uint8_t key[16] = { 0 };
        if(readKeyfile("iclass_decryptionkey.bin", 16, key))
        {


@@ -442,20 +430,19 @@ int iClassEncryptBlkData(uint8_t *blkData)
        }
        PrintAndLog("Decryption file found... ");
 
        }
        PrintAndLog("Decryption file found... ");
 

-       uint8_t decryptedData[16];
-       uint8_t *decrypted = decryptedData;
+       uint8_t encryptedData[16];
+       uint8_t *encrypted = encryptedData;

        des3_context ctx = { DES_DECRYPT ,{ 0 } };
        des3_set2key_enc( &ctx, key);
        
        des3_context ctx = { DES_DECRYPT ,{ 0 } };
        des3_set2key_enc( &ctx, key);
        

-       des3_crypt_ecb(&ctx, blkData,decrypted);
+       des3_crypt_ecb(&ctx, blkData,encrypted);

        //printvar("decrypted block", decrypted, 8);
        //printvar("decrypted block", decrypted, 8);

-       memcpy(blkData,decrypted,8);
+       memcpy(blkData,encrypted,8);

 
        return 1;
 }
 
 
        return 1;
 }
 

-int CmdHFiClassEncryptBlk(const char *Cmd)
-{
+int CmdHFiClassEncryptBlk(const char *Cmd) {

        uint8_t blkData[8] = {0};
        char opt = param_getchar(Cmd, 0);
        if (strlen(Cmd)<1 || opt == 'h')
        uint8_t blkData[8] = {0};
        char opt = param_getchar(Cmd, 0);
        if (strlen(Cmd)<1 || opt == 'h')


@@ -473,7 +460,7 @@ int CmdHFiClassEncryptBlk(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

-void Calc_wb_mac(uint8_t blockno,uint8_t *data,uint8_t *div_key,uint8_t MAC[4]){
+void Calc_wb_mac(uint8_t blockno, uint8_t *data, uint8_t *div_key, uint8_t MAC[4]) {

        uint8_t WB[9];
        WB[0] = blockno;
        memcpy(WB + 1,data,8);
        uint8_t WB[9];
        WB[0] = blockno;
        memcpy(WB + 1,data,8);


@@ -481,7 +468,7 @@ void Calc_wb_mac(uint8_t blockno,uint8_t *data,uint8_t *div_key,uint8_t MAC[4]){
        //printf("Cal wb mac block [%02x][%02x%02x%02x%02x%02x%02x%02x%02x] : MAC [%02x%02x%02x%02x]",WB[0],WB[1],WB[2],WB[3],WB[4],WB[5],WB[6],WB[7],WB[8],MAC[0],MAC[1],MAC[2],MAC[3]);
 }
 
        //printf("Cal wb mac block [%02x][%02x%02x%02x%02x%02x%02x%02x%02x] : MAC [%02x%02x%02x%02x]",WB[0],WB[1],WB[2],WB[3],WB[4],WB[5],WB[6],WB[7],WB[8],MAC[0],MAC[1],MAC[2],MAC[3]);
 }
 

-static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool verbose){
+static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool verbose) {

        UsbCommand resp;
 
        UsbCommand c = {CMD_READER_ICLASS, {0}};
        UsbCommand resp;
 
        UsbCommand c = {CMD_READER_ICLASS, {0}};


@@ -502,7 +489,6 @@ static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool v
 
        memcpy(CSN,data,8);
        if (CCNR!=NULL)memcpy(CCNR,data+16,8);
 
        memcpy(CSN,data,8);
        if (CCNR!=NULL)memcpy(CCNR,data+16,8);

-       //PrintAndLog("isOk:%02x", isOK);

        if(isOK > 0)
        {
                if (verbose) PrintAndLog("CSN: %s",sprint_hex(CSN,8));
        if(isOK > 0)
        {
                if (verbose) PrintAndLog("CSN: %s",sprint_hex(CSN,8));


@@ -517,38 +503,14 @@ static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool v
 static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool verbose) {
        uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool verbose) {
        uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};

-       uint8_t keytable[128] = {0};
-       uint8_t *used_key;
-       uint8_t key_sel[8] = {0};
-       uint8_t key_sel_p[8] = { 0 };

 
        if (!select_only(CSN, CCNR, use_credit_key, verbose))
                return false;
 
 
        if (!select_only(CSN, CCNR, use_credit_key, verbose))
                return false;
 

-       if(elite) {
-               hash2(KEY, keytable);
-               //Get the key index (hash1)
-               uint8_t key_index[8] = {0};
-               hash1(CSN, key_index);
-               //printvar("hash1", key_index,8);
-               for(uint8_t i = 0; i < 8 ; i++)
-                       key_sel[i] = keytable[key_index[i]] & 0xFF;
-               //PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
-               //printvar("k_sel", key_sel,8);
-               //Permute from iclass format to standard format
-               permutekey_rev(key_sel, key_sel_p);
-               used_key = key_sel_p;
-       } else {
-               used_key = KEY;
-       }
-       //PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
-       //printvar("Used key",KEY,8);
-       diversifyKey(CSN, used_key, div_key);
-       //PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
-       //printvar("Div key", div_key, 8);
-       //printvar("CC_NR:",CCNR,8);
+       //get div_key
+       HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+

        doMAC(CCNR, div_key, MAC);
        doMAC(CCNR, div_key, MAC);

-       //printvar("MAC", MAC, 4);

        UsbCommand resp;
        UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
        memcpy(d.d.asBytes, MAC, 4);
        UsbCommand resp;
        UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
        memcpy(d.d.asBytes, MAC, 4);


@@ -567,7 +529,7 @@ static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool u
        return true;
 }
 
        return true;
 }
 

-int usage_hf_iclass_dump(){
+int usage_hf_iclass_dump(void) {

        PrintAndLog("Usage:  hf iclass dump f <fileName> k <Key> c <CreditKey> e\n");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename> : specify a filename to save dump to");
        PrintAndLog("Usage:  hf iclass dump f <fileName> k <Key> c <CreditKey> e\n");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename> : specify a filename to save dump to");


@@ -584,14 +546,14 @@ int usage_hf_iclass_dump(){
        return 0;
 }
 
        return 0;
 }
 

-int CmdHFiClassReader_Dump(const char *Cmd){
+int CmdHFiClassReader_Dump(const char *Cmd) {

 
        uint8_t MAC[4] = {0x00,0x00,0x00,0x00};
        uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t blockno = 0;
        uint8_t numblks = 0;
 
        uint8_t MAC[4] = {0x00,0x00,0x00,0x00};
        uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t blockno = 0;
        uint8_t numblks = 0;

-       uint8_t maxBlk = 32;
+       uint8_t maxBlk = 31;

        uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t keyNbr = 0;
        uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t keyNbr = 0;


@@ -599,7 +561,9 @@ int CmdHFiClassReader_Dump(const char *Cmd){
        uint8_t fileNameLen = 0;
        char filename[FILE_PATH_SIZE]={0};
        char tempStr[50] = {0};
        uint8_t fileNameLen = 0;
        char filename[FILE_PATH_SIZE]={0};
        char tempStr[50] = {0};

+       bool have_debit_key = false;

        bool have_credit_key = false;
        bool have_credit_key = false;

+       bool use_credit_key = false;

        bool elite = false;
        bool errors = false;
        uint8_t cmdp = 0;
        bool elite = false;
        bool errors = false;
        uint8_t cmdp = 0;


@@ -647,6 +611,7 @@ int CmdHFiClassReader_Dump(const char *Cmd){
                        break;
                case 'k':
                case 'K':
                        break;
                case 'k':
                case 'K':

+                       have_debit_key = true;

                        dataLen = param_getstr(Cmd, cmdp+1, tempStr);
                        if (dataLen == 16) { 
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        dataLen = param_getstr(Cmd, cmdp+1, tempStr);
                        if (dataLen == 16) { 
                                errors = param_gethex(tempStr, 0, KEY, dataLen);


@@ -673,93 +638,51 @@ int CmdHFiClassReader_Dump(const char *Cmd){
        }
 
        if (cmdp < 2) return usage_hf_iclass_dump();
        }
 
        if (cmdp < 2) return usage_hf_iclass_dump();

+       // if no debit key given try credit key on AA1 (not for iclass but for some picopass this will work)
+       if (!have_debit_key && have_credit_key) use_credit_key = true;

 
        //get config and first 3 blocks
        UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN |
                                        FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY}};
        UsbCommand resp;
        uint8_t tag_data[255*8];
 
        //get config and first 3 blocks
        UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN |
                                        FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY}};
        UsbCommand resp;
        uint8_t tag_data[255*8];

+

        clearCommandBuffer();
        SendCommand(&c);
        clearCommandBuffer();
        SendCommand(&c);

-       if (WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
-               uint8_t readStatus = resp.arg[0] & 0xff;
-               uint8_t *data = resp.d.asBytes;
-
-               if( readStatus == 0){
-                       //Aborted
-                       PrintAndLog("No tag found...");
-                       return 0;
-               }
-               if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
-                       memcpy(tag_data, data, 8*3);
-                       /*for (; blockno < 3; blockno++) {
-                               PrintAndLog("     | %02X | %02X%02X%02X%02X%02X%02X%02X%02X |", blockno,
-                                       data[(blockno*8)+0],data[(blockno*8)+1],data[(blockno*8)+2],data[(blockno*8)+3],
-                                       data[(blockno*8)+4],data[(blockno*8)+5],data[(blockno*8)+6],data[(blockno*8)+7]);
-                       }*/
-                       blockno+=2;
-                       numblks = data[8];
-
-                       if (data[13] & 0x80) {
-                               // large memory - not able to dump pages currently
-                               maxBlk = 255;
-                       }       else {
-                               maxBlk = 32;
-                       }
-                       //PrintAndLog("maxBlk: %02X",maxBlk);
-               }
-       } else {
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {

                PrintAndLog("Command execute timeout");
                return 0;
        }
                PrintAndLog("Command execute timeout");
                return 0;
        }

+       uint8_t readStatus = resp.arg[0] & 0xff;
+       uint8_t *data = resp.d.asBytes;
+
+       if(readStatus == 0){
+               PrintAndLog("No tag found...");
+               return 0;
+       }
+       if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
+               memcpy(tag_data, data, 8*3);
+               blockno+=2; // 2 to force re-read of block 2 later. (seems to respond differently..)
+               numblks = data[8];

 
 

-       if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
+               if (data[13] & 0x80) {
+                       // large memory - not able to dump pages currently
+                       maxBlk = 255;
+               }       else {
+                       maxBlk = 31;
+               }
+               if (numblks > maxBlk) numblks = maxBlk;
+       }
+       // 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...
                //try twice - for some reason it sometimes fails the first time...

-               if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
+               if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){

                        ul_switch_off_field();
                        return 0;
                }
        }
                        ul_switch_off_field();
                        return 0;
                }
        }

-       //print debit div_key
-       //PrintAndLog("     | 03 | %02X%02X%02X%02X%02X%02X%02X%02X |",
-       //      div_key[0],div_key[1],div_key[2],div_key[3],
-       //      div_key[4],div_key[5],div_key[6],div_key[7]);
-       
-       if (have_credit_key){
-               //turn off hf field
-               //PrintAndLog("attempt 1 to auth with credit key");
-               ul_switch_off_field();
-               memset(c_div_key,0,8);
-               memset(MAC,0,4);
-               if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
-                       //try twice - for some reason it sometimes fails the first time...
-                       memset(c_div_key,0,8);
-                       memset(MAC,0,4);
-                       if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
-                               ul_switch_off_field();
-                               return 0;
-                       }
-               }
-               //print credit div_key
-               //PrintAndLog("     | 04 | %02X%02X%02X%02X%02X%02X%02X%02X |",
-               //      div_key[0],div_key[1],div_key[2],div_key[3],
-               //      div_key[4],div_key[5],div_key[6],div_key[7]);

        
        

-               //turn off hf field
-               //PrintAndLog("attempt 2 to auth with debit key");
-               ul_switch_off_field();
-               memset(div_key,0,8);
-               memset(MAC,0,4);
-               if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
-                       //try twice - for some reason it sometimes fails the first time...
-                       if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
-                               ul_switch_off_field();
-                               return 0;
-                       }
-               }
-       }
-       //PrintAndLog("have %d blocks",blockno);
-
+       // begin dump

        UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1, 0x88}};
        clearCommandBuffer();
        SendCommand(&w);
        UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1, 0x88}};
        clearCommandBuffer();
        SendCommand(&w);


@@ -778,19 +701,17 @@ int CmdHFiClassReader_Dump(const char *Cmd){
                PrintAndLog("Data exceeded Buffer size!");
                blocksRead = (sizeof(tag_data)/8) - blockno;
        }
                PrintAndLog("Data exceeded Buffer size!");
                blocksRead = (sizeof(tag_data)/8) - blockno;
        }

-       //PrintAndLog("blocksread: %d, blockno: %d, startindex: %x",blocksRead,blockno,startindex);
+       // response ok - now get bigbuf content of the dump

        GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex);
        WaitForResponse(CMD_ACK,NULL);
        GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex);
        WaitForResponse(CMD_ACK,NULL);

-       uint32_t gotBytes = blocksRead*8 + blockno*8;
+       size_t gotBytes = blocksRead*8 + blockno*8;

 
 

-       //PrintAndLog("have %d blocks",gotBytes/8);
-       
-       if (have_credit_key && maxBlk > blockno+numblks+1) {
-               //turn off hf field
+       // try AA2
+       if (have_credit_key) {
+               //turn off hf field before authenticating with different key

                ul_switch_off_field();
                ul_switch_off_field();

-               //PrintAndLog("attempt 2 to auth with credit key");
-               memset(c_div_key,0,8);

                memset(MAC,0,4);
                memset(MAC,0,4);

+               // AA2 authenticate credit key and git c_div_key - later store in dump block 4

                if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
                        //try twice - for some reason it sometimes fails the first time...
                        if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
                if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
                        //try twice - for some reason it sometimes fails the first time...
                        if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){


@@ -798,207 +719,61 @@ int CmdHFiClassReader_Dump(const char *Cmd){
                                return 0;
                        }
                }
                                return 0;
                        }
                }

-               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");
-                       return 0;
-               }
-               uint8_t isOK = resp.arg[0] & 0xff;
-               blocksRead = resp.arg[1];
-               if (!isOK && !blocksRead) {
-                       PrintAndLog("Read Block Failed 2");
-                       return 0;
-               }               
+               // do we still need to read more block?  (aa2 enabled?)
+               if (maxBlk > blockno+numblks+1) {
+                       // 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");
+                               return 0;
+                       }
+                       uint8_t isOK = resp.arg[0] & 0xff;
+                       blocksRead = resp.arg[1];
+                       if (!isOK && !blocksRead) {
+                               PrintAndLog("Read Block Failed 2");
+                               return 0;
+                       }               

 
 

-               startindex = resp.arg[2];
-               if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
-                       PrintAndLog("Data exceeded Buffer size!");
-                       blocksRead = (sizeof(tag_data) - gotBytes)/8;
-               }
-               GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
-               WaitForResponse(CMD_ACK,NULL);
+                       startindex = resp.arg[2];
+                       if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
+                               PrintAndLog("Data exceeded Buffer size!");
+                               blocksRead = (sizeof(tag_data) - gotBytes)/8;
+                       }
+                       // get dumped data from bigbuf
+                       GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
+                       WaitForResponse(CMD_ACK,NULL);

 
 

-               gotBytes += blocksRead*8;
-               //PrintAndLog("have %d blocks",gotBytes/8);
+                       gotBytes += blocksRead*8;                       
+               } else { //field is still on - turn it off...
+                       ul_switch_off_field();
+               }

        }
 
        }
 

-       memcpy(tag_data+(3*8),div_key,8);
-       memcpy(tag_data+(4*8),c_div_key,8);
+       // add diversified keys to dump
+       if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
+       if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
+       // print the dump
+       printf("CSN   |00| %02X %02X %02X %02X %02X %02X %02X %02X |\n",tag_data[0],tag_data[1],tag_data[2]
+                 ,tag_data[3],tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
+       printIclassDumpContents(tag_data, 1, (gotBytes/8)-1, gotBytes-8);

 
 

-       for (blockno = 0; blockno < gotBytes/8; blockno++){
-               PrintAndLog("     | %02X | %02X%02X%02X%02X%02X%02X%02X%02X |", blockno,
-                       tag_data[(blockno*8)+0],tag_data[(blockno*8)+1],tag_data[(blockno*8)+2],tag_data[(blockno*8)+3],
-                       tag_data[(blockno*8)+4],tag_data[(blockno*8)+5],tag_data[(blockno*8)+6],tag_data[(blockno*8)+7]);
-       }

        if (filename[0] == 0){
                snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
                    tag_data[0],tag_data[1],tag_data[2],tag_data[3],
                    tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
        }
        if (filename[0] == 0){
                snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
                    tag_data[0],tag_data[1],tag_data[2],tag_data[3],
                    tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
        }

-       saveFile(filename,"bin",tag_data, gotBytes );
+
+       // save the dump to .bin file

        PrintAndLog("Saving dump file - %d blocks read", gotBytes/8);
        PrintAndLog("Saving dump file - %d blocks read", gotBytes/8);

+       saveFile(filename, "bin", tag_data, gotBytes);

        return 1;
 }
 
        return 1;
 }
 

-/*
-int CmdHFiClassReader_Dump(const char *Cmd)
-{
-       uint8_t readerType = 0;
-       uint8_t MAC[4]={0x00,0x00,0x00,0x00};
-       uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t keytable[128] = {0};
-       bool elite = false;
-       bool use_credit_key = false;
-       uint8_t *used_key;
-       int i;
-       if (strlen(Cmd) < 1)
-       {
-               return usage_hf_iclass_dump();
-       }
-
-       if (param_gethex(Cmd, 0, KEY, 16))
-       {
-               PrintAndLog("KEY must include 16 HEX symbols");
-               return 1;
-       }
-
-       if (param_getchar(Cmd, 1) == 'e')
-       {
-               PrintAndLog("Elite switch on");
-               elite = true;
-
-               //calc h2
-               hash2(KEY, keytable);
-               printarr_human_readable("keytable", keytable, 128);
-
-               if (param_getchar(Cmd, 2) == 'c')
-                       use_credit_key = true;
-       } else if (param_getchar(Cmd, 1) == 'c'){
-               use_credit_key = true;          
-       }
-
-       UsbCommand resp;
-       uint8_t key_sel[8] = {0};
-       uint8_t key_sel_p[8] = { 0 };
-
-       UsbCommand c = {CMD_READER_ICLASS, {0}};
-       c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_CC;
-       if (use_credit_key)
-               c.arg[0] |= FLAG_ICLASS_READER_CEDITKEY;
-       clearCommandBuffer();
-       SendCommand(&c);
-
-       if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
-       {
-               PrintAndLog("Command execute timeout");
-               return 0;
-       }
-
-       uint8_t isOK    = resp.arg[0] & 0xff;
-       uint8_t * data  = resp.d.asBytes;
-
-       memcpy(CSN,data,8);
-       memcpy(CCNR,data+16,8);
-
-       PrintAndLog("isOk:%02x", isOK);
-
-       if(isOK > 0)
-       {
-               PrintAndLog("CSN: %s",sprint_hex(CSN,8));
-       }
-       if(isOK <= 1){
-               PrintAndLog("Failed to obtain CC! Aborting");
-               return 0;
-       }
-       //Status 2 or higher
-
-       if(elite)
-       {
-               //Get the key index (hash1)
-               uint8_t key_index[8] = {0};
-
-               hash1(CSN, key_index);
-               printvar("hash1", key_index,8);
-               for(i = 0; i < 8 ; i++)
-                       key_sel[i] = keytable[key_index[i]] & 0xFF;
-               PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
-               printvar("k_sel", key_sel,8);
-               //Permute from iclass format to standard format
-               permutekey_rev(key_sel,key_sel_p);
-               used_key = key_sel_p;
-       }else{
-               used_key = KEY;
-       }
-
-       PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
-       printvar("Used key",used_key,8);
-       diversifyKey(CSN,used_key, div_key);
-       PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
-       printvar("Div key", div_key, 8);
-       printvar("CC_NR:",CCNR,12);
-       doMAC(CCNR,div_key, MAC);
-       printvar("MAC", MAC, 4);
-
-       uint8_t iclass_data[32000] = {0};
-       uint32_t iclass_datalen = 0;
-       uint32_t iclass_blocksFailed = 0;//Set to 1 if dump was incomplete
-
-       UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
-       memcpy(d.d.asBytes, MAC, 4);
-       clearCommandBuffer();
-       SendCommand(&d);
-       PrintAndLog("Waiting for device to dump data. Press button on device and key on keyboard to abort...");
-       while (true) {
-               printf(".");
-               if (ukbhit()) {
-                       getchar();
-                       printf("\naborted via keyboard!\n");
-                       break;
-               }
-               if(WaitForResponseTimeout(CMD_ACK,&resp,4500))
-               {
-                       uint32_t dataLength = resp.arg[0];
-                       iclass_blocksFailed |= resp.arg[1];
-                       if(dataLength > 0)
-                       {
-                               PrintAndLog("Got %d bytes data (total so far %d)" ,dataLength,iclass_datalen);
-                               memcpy(iclass_data+iclass_datalen, resp.d.asBytes,dataLength);
-                               iclass_datalen += dataLength;
-                       }else
-                       {//Last transfer, datalength 0 means the dump is finished
-                               PrintAndLog("Dumped %d bytes of data from tag. ", iclass_datalen);
-                               if(iclass_blocksFailed)
-                               {
-                                       PrintAndLog("OBS! Some blocks failed to be dumped correctly!");
-                               }
-                               if(iclass_datalen > 0)
-                               {
-                                       char filename[100] = {0};
-                                       //create a preferred filename
-                                       snprintf(filename, 100,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
-                                                        CSN[0],CSN[1],CSN[2],CSN[3],
-                                                       CSN[4],CSN[5],CSN[6],CSN[7]);
-                                       //Place the div_key in block 3
-                                       memcpy(iclass_data+(3*8), div_key, 8);
-                                       saveFile(filename,"bin",iclass_data, iclass_datalen );
-                               }
-                               //Aaaand we're finished
-                               return 0;
-                       }
-               }
-       }
-       return 0;
-}
-*/
-
-int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool verbose){
+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;
        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;


@@ -1029,7 +804,7 @@ int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_k
        return 1;
 }
 
        return 1;
 }
 

-int usage_hf_iclass_writeblock() {
+int usage_hf_iclass_writeblock(void) {

        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");
   PrintAndLog("  d <data>  : Set the Data to write as 16 hex symbols");
        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");
   PrintAndLog("  d <data>  : Set the Data to write as 16 hex symbols");


@@ -1120,7 +895,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
        return WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
 }
 
        return WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
 }
 

-int usage_hf_iclass_clone() {
+int usage_hf_iclass_clone(void) {

        PrintAndLog("Usage:  hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> e c");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename>: specify a filename to clone from");
        PrintAndLog("Usage:  hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> e c");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename>: specify a filename to clone from");


@@ -1245,10 +1020,6 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        int i;
        fseek(f,startblock*8,SEEK_SET);
        fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f);
        int i;
        fseek(f,startblock*8,SEEK_SET);
        fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f);

-       /*
-       for (i = 0; i < endblock - startblock+1; i++){
-               printf("block [%02x] [%02x%02x%02x%02x%02x%02x%02x%02x]\n",i + startblock,tag_data[i].d[0],tag_data[i].d[1],tag_data[i].d[2],tag_data[i].d[3],tag_data[i].d[4],tag_data[i].d[5],tag_data[i].d[6],tag_data[i].d[7]);
-       }*/

 
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};


@@ -1272,9 +1043,9 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        uint8_t p[12];
        for (i = 0; i <= endblock - startblock;i++){
            memcpy(p,w.d.asBytes + (i * 12),12);
        uint8_t p[12];
        for (i = 0; i <= endblock - startblock;i++){
            memcpy(p,w.d.asBytes + (i * 12),12);

-           printf("block [%02x]",i + startblock);
-           printf(" [%02x%02x%02x%02x%02x%02x%02x%02x]",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
-           printf(" MAC [%02x%02x%02x%02x]\n",p[8],p[9],p[10],p[11]);
+           printf("Block |%02x|",i + startblock);
+           printf(" %02x%02x%02x%02x%02x%02x%02x%02x |",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
+           printf(" MAC |%02x%02x%02x%02x|\n",p[8],p[9],p[10],p[11]);

        }
        UsbCommand resp;
        SendCommand(&w);
        }
        UsbCommand resp;
        SendCommand(&w);


@@ -1286,7 +1057,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        return 1;
 }
 
        return 1;
 }
 

-int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool verbose){
+static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, 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 MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 


@@ -1312,7 +1083,7 @@ int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool v
        return 1;
 }
 
        return 1;
 }
 

-int usage_hf_iclass_readblock(){
+int usage_hf_iclass_readblock(void) {

        PrintAndLog("Usage:  hf iclass readblk b <Block> k <Key> c e\n");
        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");
        PrintAndLog("Usage:  hf iclass readblk b <Block> k <Key> c e\n");
        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");


@@ -1326,8 +1097,7 @@ int usage_hf_iclass_readblock(){
        return 0;
 }
 
        return 0;
 }
 

-int CmdHFiClass_ReadBlock(const char *Cmd)
-{
+int CmdHFiClass_ReadBlock(const char *Cmd) {

        uint8_t blockno=0;
        uint8_t keyType = 0x88; //debit key
        uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t blockno=0;
        uint8_t keyType = 0x88; //debit key
        uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};


@@ -1390,12 +1160,11 @@ int CmdHFiClass_ReadBlock(const char *Cmd)
        }
 
        if (cmdp < 4) return usage_hf_iclass_readblock();
        }
 
        if (cmdp < 4) return usage_hf_iclass_readblock();

-       
+

        return ReadBlock(KEY, blockno, keyType, elite, true);
 }
 
        return ReadBlock(KEY, blockno, keyType, elite, true);
 }
 

-int CmdHFiClass_loclass(const char *Cmd)
-{
+int CmdHFiClass_loclass(const char *Cmd) {

        char opt = param_getchar(Cmd, 0);
 
        if (strlen(Cmd)<1 || opt == 'h') {
        char opt = param_getchar(Cmd, 0);
 
        if (strlen(Cmd)<1 || opt == 'h') {


@@ -1440,21 +1209,17 @@ int CmdHFiClass_loclass(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_iclass_readtagfile(){
-       PrintAndLog("Usage: hf iclass readtagfile <filename>");
-       return 1;
-}
-
-void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize){
+void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) {

        uint8_t blockdata[8];
        uint8_t mem_config;
        memcpy(&mem_config, iclass_dump + 13,1);
        uint8_t maxmemcount;
        uint8_t filemaxblock = filesize / 8;
        uint8_t blockdata[8];
        uint8_t mem_config;
        memcpy(&mem_config, iclass_dump + 13,1);
        uint8_t maxmemcount;
        uint8_t filemaxblock = filesize / 8;

-       if (mem_config == 0x80)
+       if (mem_config & 0x80)

                maxmemcount = 255;
        else
                maxmemcount = 255;
        else

-               maxmemcount = 32;
+               maxmemcount = 31;
+       //PrintAndLog   ("endblock: %d, filesize: %d, maxmemcount: %d, filemaxblock: %d", endblock,filesize, maxmemcount, filemaxblock);

 
        if (startblock == 0)
                startblock = 6;
 
        if (startblock == 0)
                startblock = 6;


@@ -1464,25 +1229,22 @@ void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t e
                endblock = filemaxblock;
        int i = startblock;
        int j;
                endblock = filemaxblock;
        int i = startblock;
        int j;

-       while (i < endblock){
-               printf("block[%02X]: ",i);
+       while (i <= endblock){
+               printf("Block |%02X| ",i);

                memcpy(blockdata,iclass_dump + (i * 8),8);
                for (j = 0;j < 8;j++)
                        printf("%02X ",blockdata[j]);
                memcpy(blockdata,iclass_dump + (i * 8),8);
                for (j = 0;j < 8;j++)
                        printf("%02X ",blockdata[j]);

-               printf("\n");
+               printf("|\n");

                i++;
        }
                i++;
        }

-       if ((i < filemaxblock) && (i < maxmemcount)){
-               printf("block[%02X]: ",i);
-               memcpy(blockdata,iclass_dump + (i * 8),8);
-               for (j = 0;j < 8;j++)
-                       printf("%02X",blockdata[j]);
-               printf("\n");
-       }

 }
 
 }
 

-int CmdHFiClassReadTagFile(const char *Cmd)
-{
+int usage_hf_iclass_readtagfile() {
+       PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]");
+       return 1;
+}
+
+int CmdHFiClassReadTagFile(const char *Cmd) {

        int startblock = 0;
        int endblock = 0;
        char tempnum[5];
        int startblock = 0;
        int endblock = 0;
        char tempnum[5];


@@ -1515,21 +1277,22 @@ int CmdHFiClassReadTagFile(const char *Cmd)
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
        uint8_t *csn = dump;
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
        uint8_t *csn = dump;

-       printf("CSN :     %02X %02X %02X %02X %02X %02X %02X %02X\n",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);
+       printf("CSN   [00] | %02X %02X %02X %02X %02X %02X %02X %02X |\n",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);

        //    printIclassDumpInfo(dump);
        printIclassDumpContents(dump,startblock,endblock,bytes_read);
        free(dump);
        return 0;
 }
 
        //    printIclassDumpInfo(dump);
        printIclassDumpContents(dump,startblock,endblock,bytes_read);
        free(dump);
        return 0;
 }
 

-uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv){
+/*
+uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv) {

        uint64_t new_div = 0x00;
        new_div ^= sdiv;
        new_div ^= hdiv;
        return new_div;
 }
 
        uint64_t new_div = 0x00;
        new_div ^= sdiv;
        new_div ^= hdiv;
        return new_div;
 }
 

-uint64_t hexarray_to_uint64(uint8_t *key){
+uint64_t hexarray_to_uint64(uint8_t *key) {

        char temp[17];
        uint64_t uint_key;
        for (int i = 0;i < 8;i++)
        char temp[17];
        uint64_t uint_key;
        for (int i = 0;i < 8;i++)


@@ -1539,66 +1302,158 @@ uint64_t hexarray_to_uint64(uint8_t *key){
                return 0;
        return uint_key;
 }
                return 0;
        return uint_key;
 }

-
-int usage_hf_iclass_calc_ekey(){
-       PrintAndLog("Usage: hf iclass calc_ekey <STDKEY> <ELITE key> [c]");
-       return 1;
-}
-
-int CmdHFiClassCalcEKey(const char *Cmd){
-       uint8_t STDKEY[8];
-       uint8_t ELITEKEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t std_div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       uint8_t elite_div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+*/
+void HFiClassCalcDivKey(uint8_t        *CSN, uint8_t   *KEY, uint8_t *div_key, bool elite){

        uint8_t keytable[128] = {0};
        uint8_t key_index[8] = {0};
        uint8_t keytable[128] = {0};
        uint8_t key_index[8] = {0};

-       uint64_t new_div_key;
-       uint64_t i_elite_div_key;
-       uint64_t i_std_div_key;
-       bool use_credit_key = false;
-       //memcpy(STDKEY,GLOBAL_KEY,sizeof(STDKEY));
-       int i;
-       if (strlen(Cmd) < 2)
-               return usage_hf_iclass_calc_ekey();
+       if (elite) {
+               uint8_t key_sel[8] = { 0 };
+               uint8_t key_sel_p[8] = { 0 };
+               hash2(KEY, keytable);
+               hash1(CSN, key_index);
+               for(uint8_t i = 0; i < 8 ; i++)
+                       key_sel[i] = keytable[key_index[i]] & 0xFF;

 
 

-       if (param_gethex(Cmd, 0, STDKEY, 16))
-               return usage_hf_iclass_calc_ekey();
+               //Permute from iclass format to standard format
+               permutekey_rev(key_sel, key_sel_p);
+               diversifyKey(CSN, key_sel_p, div_key);  
+       } else {
+               diversifyKey(CSN, KEY, div_key);
+       }               
+}

 
 

-       if (param_gethex(Cmd, 1, ELITEKEY, 16) != 0)
-               return usage_hf_iclass_calc_ekey();
+//when told CSN, oldkey, newkey, if new key is elite (elite), and if old key was elite (oldElite)
+//calculate and return xor_div_key (ready for a key write command)
+//print all div_keys if verbose
+static void HFiClassCalcNewKey(uint8_t *CSN, uint8_t *OLDKEY, uint8_t *NEWKEY, uint8_t *xor_div_key, bool elite, bool oldElite, bool verbose){
+       uint8_t old_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t new_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       //get old div key
+       HFiClassCalcDivKey(CSN, OLDKEY, old_div_key, oldElite);
+       //get new div key
+       HFiClassCalcDivKey(CSN, NEWKEY, new_div_key, elite);
+       
+       for (uint8_t i = 0; i < sizeof(old_div_key); i++){
+               xor_div_key[i] = old_div_key[i] ^ new_div_key[i];
+       }
+       if (verbose) {
+               printf("Old Div Key : %s\n",sprint_hex(old_div_key,8));
+               printf("New Div Key : %s\n",sprint_hex(new_div_key,8));
+               printf("Xor Div Key : %s\n",sprint_hex(xor_div_key,8));         
+       }
+}

 
 

-       if (param_getchar(Cmd, 2)=='c')
-               use_credit_key = true;
+int usage_hf_iclass_calc_newkey(void) {
+       PrintAndLog("HELP :  Manage iClass Keys in client memory:\n");
+       PrintAndLog("Usage:  hf iclass calc_newkey o <Old key> n <New key> s [csn] e");
+       PrintAndLog("  Options:");
+       PrintAndLog("  o <oldkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
+       PrintAndLog("  n <newkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
+       PrintAndLog("  s <csn>    : specify a card Serial number to diversify the key (if omitted will attempt to read a csn)");
+       PrintAndLog("  e          : specify new key as elite calc");
+       PrintAndLog("  ee         : specify old and new key as elite calc");
+       PrintAndLog("Samples:");
+       PrintAndLog(" e key to e key given csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899 s deadbeafdeadbeaf ee");
+       PrintAndLog(" std key to e key read csn: hf iclass calcnewkey o 1122334455667788 n 2233445566778899 e");
+       PrintAndLog(" std to std read csn      : hf iclass calcnewkey o 1122334455667788 n 2233445566778899");
+       PrintAndLog("NOTE: * = required\n");

 
 

-       hash2(ELITEKEY, keytable);
+       return 1;
+}

 
 

-       uint8_t key_sel[8] = { 0 };
-       uint8_t key_sel_p[8] = { 0 };
+int CmdHFiClassCalcNewKey(const char *Cmd) {
+       uint8_t OLDKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t NEWKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t xor_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t CSN[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t CCNR[12] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+       uint8_t keyNbr = 0;
+       uint8_t dataLen = 0;
+       char tempStr[50] = {0};
+       bool givenCSN = false;
+       bool oldElite = false;
+       bool elite = false;
+       bool errors = false;
+       uint8_t cmdp = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+               case 'H':
+                       return usage_hf_iclass_calc_newkey();
+               case 'e':
+               case 'E':
+                       dataLen = param_getstr(Cmd, cmdp, tempStr);
+                       if (dataLen==2)
+                               oldElite = true;
+                       elite = true;
+                       cmdp++;
+                       break;
+               case 'n':
+               case 'N':
+                       dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+                       if (dataLen == 16) { 
+                               errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
+                       } else if (dataLen == 1) {
+                               keyNbr = param_get8(Cmd, cmdp+1);
+                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                                       memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
+                               } else {
+                                       PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
+                                       errors = true;
+                               }
+                       } else {
+                               PrintAndLog("\nERROR: NewKey is incorrect length\n");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       break;
+               case 'o':
+               case 'O':
+                       dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+                       if (dataLen == 16) { 
+                               errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
+                       } else if (dataLen == 1) {
+                               keyNbr = param_get8(Cmd, cmdp+1);
+                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                                       memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
+                               } else {
+                                       PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+                                       errors = true;
+                               }
+                       } else {
+                               PrintAndLog("\nERROR: Credit Key is incorrect length\n");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       break;
+               case 's':
+               case 'S':
+                       givenCSN = true;
+                       if (param_gethex(Cmd, cmdp+1, CSN, 16))
+                               return usage_hf_iclass_calc_newkey();
+                       cmdp += 2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
+                       errors = true;
+                       break;
+               }
+               if(errors) return usage_hf_iclass_calc_newkey();
+       }

 
 

-       if (!select_only(CSN, CCNR, use_credit_key, true))
-               return 0;
+       if (cmdp < 4) return usage_hf_iclass_calc_newkey();

 
 

-       diversifyKey(CSN, STDKEY, std_div_key);
-
-       //    printvar("(S)Div key", std_div_key, 8);
-       hash1(CSN, key_index);
-       for(i = 0; i < 8 ; i++)
-               key_sel[i] = keytable[key_index[i]] & 0xFF;
-
-       //Permute from iclass format to standard format
-       permutekey_rev(key_sel, key_sel_p);
-       diversifyKey(CSN, key_sel_p, elite_div_key);
-       //    printvar("(E)Div key", elite_div_key, 8);
-       i_elite_div_key = hexarray_to_uint64(elite_div_key);
-       i_std_div_key = hexarray_to_uint64(std_div_key);
-       new_div_key = xorcheck(i_std_div_key, i_elite_div_key);
-       printf("New Div Key : %016"llX"\n",new_div_key);
+       if (!givenCSN)
+               if (!select_only(CSN, CCNR, false, true))
+                       return 0;
+       
+       HFiClassCalcNewKey(CSN, OLDKEY, NEWKEY, xor_div_key, elite, oldElite, true);

        return 0;
 }
 
        return 0;
 }
 

-int loadKeys(char *filename){
+static int loadKeys(char *filename) {

        FILE *f;
        f = fopen(filename,"rb");
        if(!f) {
        FILE *f;
        f = fopen(filename,"rb");
        if(!f) {


@@ -1627,7 +1482,7 @@ int loadKeys(char *filename){
        return 1;
 }
 
        return 1;
 }
 

-int saveKeys(char *filename){
+static int saveKeys(char *filename) {

        FILE *f;
        f = fopen(filename,"wb");
        if (f == NULL) {
        FILE *f;
        f = fopen(filename,"wb");
        if (f == NULL) {


@@ -1644,7 +1499,7 @@ int saveKeys(char *filename){
        return 0;
 }
 
        return 0;
 }
 

-int printKeys(){
+static int printKeys(void) {

        PrintAndLog("");
        for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){
                PrintAndLog("%u: %s",i,sprint_hex(iClass_Key_Table[i],8));
        PrintAndLog("");
        for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){
                PrintAndLog("%u: %s",i,sprint_hex(iClass_Key_Table[i],8));


@@ -1653,7 +1508,7 @@ int printKeys(){
        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_iclass_managekeys(){
+int usage_hf_iclass_managekeys(void) {

        PrintAndLog("HELP :  Manage iClass Keys in client memory:\n");
        PrintAndLog("Usage:  hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n");
        PrintAndLog("  Options:");
        PrintAndLog("HELP :  Manage iClass Keys in client memory:\n");
        PrintAndLog("Usage:  hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n");
        PrintAndLog("  Options:");


@@ -1671,7 +1526,7 @@ int usage_hf_iclass_managekeys(){
        return 0;
 }
 
        return 0;
 }
 

-int CmdManageKeys(const char *Cmd){
+int CmdHFiClassManageKeys(const char *Cmd) {

        uint8_t keyNbr = 0;
        uint8_t dataLen = 0;
        uint8_t KEY[8] = {0};
        uint8_t keyNbr = 0;
        uint8_t dataLen = 0;
        uint8_t KEY[8] = {0};


@@ -1767,23 +1622,22 @@ int CmdManageKeys(const char *Cmd){
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,                        1,      "This help"},
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,                        1,      "This help"},

-       {"calc_ekey",   CmdHFiClassCalcEKey,            0,      "Get Elite Diversified key (block 3) to write to convert std to elite"},
-       {"clone",       CmdHFiClassCloneTag,            0,      "Authenticate and Clone from iClass bin file"},
-       {"decrypt",     CmdHFiClassDecrypt,             1,      "Decrypt tagdump" },
-       {"dump",        CmdHFiClassReader_Dump,         0,      "Authenticate and Dump iClass tag's AA1"},
-       {"eload",       CmdHFiClassELoad,               0,      "[experimental] Load data into iClass emulator memory"},
-       {"encryptblk",  CmdHFiClassEncryptBlk,          1,      "[blockData] Encrypt given block data"},
-       {"list",        CmdHFiClassList,                0,      "[Deprecated] List iClass history"},
-       //{"load",        CmdHFiClass_load,             0,      "Load from tagfile to iClass card"},
-       {"loclass",     CmdHFiClass_loclass,            1,      "Use loclass to perform bruteforce of reader attack dump"},
-       {"managekeys",  CmdManageKeys,                  1,      "Manage the keys to use with iClass"},
-       {"readblk",     CmdHFiClass_ReadBlock,          0,      "Authenticate and Read iClass block"},
-       {"reader",      CmdHFiClassReader,              0,      "Read an iClass tag"},
-       {"readtagfile", CmdHFiClassReadTagFile,         1,      "Display Content from tagfile"},
-       {"replay",      CmdHFiClassReader_Replay,       0,      "Read an iClass tag via Reply Attack"},
-       {"sim",         CmdHFiClassSim,                 0,      "Simulate iClass tag"},
-       {"snoop",       CmdHFiClassSnoop,               0,      "Eavesdrop iClass communication"},
-       {"writeblk",    CmdHFiClass_WriteBlock,         0,      "Authenticate and Write iClass block"},
+       {"calcnewkey",  CmdHFiClassCalcNewKey,          1,      "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"},
+       {"clone",       CmdHFiClassCloneTag,            0,      "[options..] Authenticate and Clone from iClass bin file"},
+       {"decrypt",     CmdHFiClassDecrypt,             1,      "[f <fname>] Decrypt tagdump" },
+       {"dump",        CmdHFiClassReader_Dump,         0,      "[options..] Authenticate and Dump iClass tag's AA1"},
+       {"eload",       CmdHFiClassELoad,               0,      "[f <fname>] (experimental) Load data into iClass emulator memory"},
+       {"encryptblk",  CmdHFiClassEncryptBlk,          1,      "<BlockData> Encrypt given block data"},
+       {"list",        CmdHFiClassList,                0,      "            (Deprecated) List iClass history"},
+       {"loclass",     CmdHFiClass_loclass,            1,      "[options..] Use loclass to perform bruteforce of reader attack dump"},
+       {"managekeys",  CmdHFiClassManageKeys,          1,      "[options..] Manage the keys to use with iClass"},
+       {"readblk",     CmdHFiClass_ReadBlock,          0,      "[options..] Authenticate and Read iClass block"},
+       {"reader",      CmdHFiClassReader,              0,      "            Read an iClass tag"},
+       {"readtagfile", CmdHFiClassReadTagFile,         1,      "[options..] Display Content from tagfile"},
+       {"replay",      CmdHFiClassReader_Replay,       0,      "<mac>       Read an iClass tag via Reply Attack"},
+       {"sim",         CmdHFiClassSim,                 0,      "[options..] Simulate iClass tag"},
+       {"snoop",       CmdHFiClassSnoop,               0,      "            Eavesdrop iClass communication"},
+       {"writeblk",    CmdHFiClass_WriteBlock,         0,      "[options..] Authenticate and Write iClass block"},

        {NULL, NULL, 0, NULL}
 };
 
        {NULL, NULL, 0, NULL}
 };
 

diff --git a/client/cmdhficlass.h b/client/cmdhficlass.h
index 88e61434e9fb5b2c725a2dc53af7366084adc7c9..9a3adf504b93ef59d322d62bb1cd9a6c3c13f7f7 100644 (file)
--- a/client/cmdhficlass.h
+++ b/client/cmdhficlass.h
@@ -14,17 +14,26 @@
 
 int CmdHFiClass(const char *Cmd);
 
 
 int CmdHFiClass(const char *Cmd);
 

-int CmdHFiClassSnoop(const char *Cmd);
-int CmdHFiClassSim(const char *Cmd);
+int CmdHFiClassCalcNewKey(const char *Cmd);
+int CmdHFiClassCloneTag(const char *Cmd);
+int CmdHFiClassDecrypt(const char *Cmd);
+int CmdHFiClassEncryptBlk(const char *Cmd);
+int CmdHFiClassELoad(const char *Cmd);

 int CmdHFiClassList(const char *Cmd);
 int HFiClassReader(const char *Cmd, bool loop, bool verbose);
 int CmdHFiClassReader(const char *Cmd);
 int CmdHFiClassList(const char *Cmd);
 int HFiClassReader(const char *Cmd, bool loop, bool verbose);
 int CmdHFiClassReader(const char *Cmd);

+int CmdHFiClassReader_Dump(const char *Cmd);

 int CmdHFiClassReader_Replay(const char *Cmd);
 int CmdHFiClassReadKeyFile(const char *filename);
 int CmdHFiClassReader_Replay(const char *Cmd);
 int CmdHFiClassReadKeyFile(const char *filename);

-int CmdHFiClassWriteKeyFile(const char *Cmd);
+int CmdHFiClassReadTagFile(const char *Cmd);

 int CmdHFiClass_ReadBlock(const char *Cmd);
 int CmdHFiClass_ReadBlock(const char *Cmd);

-int CmdHFiClass_WriteBlock(const char *Cmd);
-int CmdHFiClassCalcEKey(const char *Cmd);

 int CmdHFiClass_TestMac(const char *Cmd);
 int CmdHFiClass_TestMac(const char *Cmd);

-
+int CmdHFiClassManageKeys(const char *Cmd);
+int CmdHFiClass_loclass(const char *Cmd);
+int CmdHFiClassSnoop(const char *Cmd);
+int CmdHFiClassSim(const char *Cmd);
+int CmdHFiClassWriteKeyFile(const char *Cmd);
+int CmdHFiClass_WriteBlock(const char *Cmd);
+void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize);
+void HFiClassCalcDivKey(uint8_t        *CSN, uint8_t   *KEY, uint8_t *div_key, bool elite);

 #endif
 #endif