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Merge pull request #969 from pwpiwi/gcc10_fixes
[proxmark3-svn] / client / cmdsmartcard.c
diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index a1793240e5db78a04acd35e02430055998c15e14..caf33db6a886f76103ae1318f333423d3114486e 100644 (file)
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -10,6 +10,7 @@
 #include "cmdsmartcard.h"
 
 #include <ctype.h>
 #include "cmdsmartcard.h"
 
 #include <ctype.h>
+#include <string.h>
 
 #include "ui.h"
 #include "cmdparser.h"
 
 #include "ui.h"
 #include "cmdparser.h"
@@ -43,8 +44,7 @@ static int usage_sm_raw(void) {
        PrintAndLogEx(NORMAL, "       d <bytes>  :  bytes to send");
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(NORMAL, "Examples:");
        PrintAndLogEx(NORMAL, "       d <bytes>  :  bytes to send");
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(NORMAL, "Examples:");
-       PrintAndLogEx(NORMAL, "        sc raw s 0 d 00a404000e315041592e5359532e4444463031  - `1PAY.SYS.DDF01` PPSE directory with get ATR");
-       PrintAndLogEx(NORMAL, "        sc raw 0 d 00a404000e325041592e5359532e4444463031    - `2PAY.SYS.DDF01` PPSE directory");
+       PrintAndLogEx(NORMAL, "        sc raw s 0 d 00a404000e315041592e5359532e4444463031  - `1PAY.SYS.DDF01` PSE directory with get ATR");
        return 0;
 }
 
        return 0;
 }
 
@@ -177,19 +177,19 @@ float FArray[] = {
        0     // b1111 RFU
 };
 
        0     // b1111 RFU
 };
 
-int GetATRDi(uint8_t *atr, size_t atrlen) {
+static int GetATRDi(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return DiArray[TA1 & 0x0f];  // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di
 }
 
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return DiArray[TA1 & 0x0f];  // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di
 }
 
-int GetATRFi(uint8_t *atr, size_t atrlen) {
+static int GetATRFi(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FiArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
 }
 
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FiArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
 }
 
-float GetATRF(uint8_t *atr, size_t atrlen) {
+static float GetATRF(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
@@ -312,7 +312,7 @@ static int PrintATR(uint8_t *atr, size_t atrlen) {
        return 0;
 }
 
        return 0;
 }
 
-static bool smart_getATR(smart_card_atr_t *card)
+bool smart_getATR(smart_card_atr_t *card)
 {
        if (UseAlternativeSmartcardReader) {
                return pcscGetATR(card);
 {
        if (UseAlternativeSmartcardReader) {
                return pcscGetATR(card);
@@ -350,82 +350,48 @@ static bool smart_select(bool silent) {
        return true;
 }
 
        return true;
 }
 
-static int smart_wait(uint8_t *data) {
-       UsbCommand resp;
-       if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
-               PrintAndLogEx(WARNING, "smart card response timeout");
-               return -1;
-       }
 
 
-       uint32_t len = resp.arg[0];
-       if ( !len ) {
-               PrintAndLogEx(WARNING, "smart card response failed");
-               return -2;
-       }
-       memcpy(data, resp.d.asBytes, len);
-       if (len >= 2) {
-               PrintAndLogEx(SUCCESS, "%02X%02X | %s", data[len - 2], data[len - 1], GetAPDUCodeDescription(data[len - 2], data[len - 1]));
+static void smart_transmit(uint8_t *data, uint32_t data_len, uint32_t flags, uint8_t *response, int *response_len, uint32_t max_response_len)
+{
+       // PrintAndLogEx(SUCCESS, "C-TPDU>>>> %s", sprint_hex(data, data_len));
+       if (UseAlternativeSmartcardReader) {
+               *response_len = max_response_len;
+               pcscTransmit(data, data_len, flags, response, response_len);
        } else {
        } else {
-               PrintAndLogEx(SUCCESS, " %d | %s", len, sprint_hex_inrow_ex(data,  len, 8));
-       }
-       
-       return len;
-}
+               UsbCommand c = {CMD_SMART_RAW, {flags, data_len, 0}};
+               memcpy(c.d.asBytes, data, data_len);
+               SendCommand(&c);
 
 
-static int smart_response(uint8_t *data) {
- 
-       int datalen = smart_wait(data);
-       bool needGetData = false;
+               if (!WaitForResponseTimeout(CMD_ACK, &c, 2500)) {
+                       PrintAndLogEx(WARNING, "smart card response timeout");
+                       *response_len = -1;
+                       return;
+               }
 
 
-       if (datalen < 2 ) {
-               goto out;
+               *response_len = c.arg[0];
+               if (*response_len > 0) {
+                       memcpy(response, c.d.asBytes, *response_len);
+               }
        }
 
        }
 
-       if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) {
-               needGetData = true;
+       if (*response_len <= 0) {
+               PrintAndLogEx(WARNING, "smart card response failed");
+               *response_len = -2;
+               return;
        }
 
        }
 
-       if (needGetData) {
-               int len = data[datalen - 1];
-               PrintAndLogEx(INFO, "Requesting 0x%02X bytes response", len);   
-               uint8_t getstatus[] = {0x00, ISO7816_GETSTATUS, 0x00, 0x00, len};
-               UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}};
-               memcpy(cStatus.d.asBytes, getstatus, sizeof(getstatus) );
-               clearCommandBuffer();
-               SendCommand(&cStatus);
-
-               datalen = smart_wait(data);
-
-               if (datalen < 2 ) {
-                       goto out;
-               }
-
-               // data wo ACK
-               if (datalen != len + 2) { 
-                       // data with ACK
-                       if (datalen == len + 2 + 1) { // 2 - response, 1 - ACK
-                               if (data[0] != ISO7816_GETSTATUS) {
-                                       PrintAndLogEx(ERR, "GetResponse ACK error. len 0x%x | data[0] %02X", len, data[0]);     
-                                       datalen = 0;
-                                       goto out;
-                               }
-
-                               datalen--;
-                               memmove(data, &data[1], datalen);
-                       } else {
-                               // wrong length
-                               PrintAndLogEx(WARNING, "GetResponse wrong length. Must be 0x%02X got 0x%02X", len, datalen - 3);        
-                       }
-               }
+       if (*response_len < 2) {
+               // PrintAndLogEx(SUCCESS, "R-TPDU  %02X | ", response[0]);
+               return;
        }
 
        }
 
-       out:
-       return datalen;
+       // PrintAndLogEx(SUCCESS, "R-TPDU<<<< %s", sprint_hex(response, *response_len));
+       // PrintAndLogEx(SUCCESS, "R-TPDU SW %02X%02X | %s", response[*response_len-2], response[*response_len-1], GetAPDUCodeDescription(response[*response_len-2], response[*response_len-1]));
 }
 
 
 }
 
 
-int CmdSmartSelect(const char *Cmd) {
-
+static int CmdSmartSelect(const char *Cmd)
+{
        const char *readername;
        
        if (tolower(param_getchar(Cmd, 0)) == 'h') {
        const char *readername;
        
        if (tolower(param_getchar(Cmd, 0)) == 'h') {
@@ -449,7 +415,8 @@ int CmdSmartSelect(const char *Cmd) {
        return 0;
 }
 
        return 0;
 }
 
-int CmdSmartRaw(const char *Cmd) {
+
+static int CmdSmartRaw(const char *Cmd) {
 
        int hexlen = 0;
        bool active = false;
 
        int hexlen = 0;
        bool active = false;
@@ -457,7 +424,7 @@ int CmdSmartRaw(const char *Cmd) {
     bool useT0 = false;        
        uint8_t cmdp = 0;
        bool errors = false, reply = true, decodeTLV = false, breakloop = false;
     bool useT0 = false;        
        uint8_t cmdp = 0;
        bool errors = false, reply = true, decodeTLV = false, breakloop = false;
-       uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+       uint8_t data[ISO7816_MAX_FRAME_SIZE] = {0x00};
 
        while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
                switch (tolower(param_getchar(Cmd, cmdp))) {
 
        while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
                switch (tolower(param_getchar(Cmd, cmdp))) {
@@ -511,101 +478,107 @@ int CmdSmartRaw(const char *Cmd) {
        //Validations
        if (errors || cmdp == 0 ) return usage_sm_raw();
 
        //Validations
        if (errors || cmdp == 0 ) return usage_sm_raw();
 
-       // arg0 = RFU flags
-       // arg1 = length
-       UsbCommand c = {CMD_SMART_RAW, {0, hexlen, 0}};
-
+       uint32_t flags = 0;
+       uint32_t protocol = 0;
        if (active || active_select) {
        if (active || active_select) {
-               c.arg[0] |= SC_CONNECT;
+               flags |= SC_CONNECT;
                if (active_select)
                if (active_select)
-                       c.arg[0] |= SC_SELECT;
+                       flags |= SC_SELECT;
        }
        }
-
        if (hexlen > 0) {
                if (useT0)
        if (hexlen > 0) {
                if (useT0)
-                       c.arg[0] |= SC_RAW_T0;
+                       protocol = SC_RAW_T0;
                else
                else
-                       c.arg[0] |= SC_RAW;
+                       protocol = SC_RAW;
        }
        }
-
-       memcpy(c.d.asBytes, data, hexlen );
-       clearCommandBuffer();
-       SendCommand(&c);
+       
+       int response_len = 0;
+       uint8_t *response = NULL;
+       if (reply) {
+               response = calloc(ISO7816_MAX_FRAME_SIZE, sizeof(uint8_t));
+               if ( !response )
+                       return 1;
+       }
+       
+       smart_transmit(data, hexlen, flags|protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
 
        // reading response from smart card
        if ( reply ) {
 
        // reading response from smart card
        if ( reply ) {
-
-               uint8_t* buf = calloc(USB_CMD_DATA_SIZE, sizeof(uint8_t));
-               if ( !buf )
-                       return 1;
-
-               int len = smart_response(buf);
-               if ( len < 0 ) {
-                       free(buf);
+               if ( response_len < 0 ) {
+                       free(response);
                        return 2;
                }
 
                        return 2;
                }
 
-               if ( buf[0] == 0x6C ) {
-                       data[4] = buf[1];
-
-                       memcpy(c.d.asBytes, data, sizeof(data) );
-                       clearCommandBuffer();
-                       SendCommand(&c);
-                       len = smart_response(buf);
-
+               if ( response[0] == 0x6C ) {
+                       data[4] = response[1];
+                       smart_transmit(data, hexlen, protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
                        data[4] = 0;
                }
 
                        data[4] = 0;
                }
 
-               if (decodeTLV && len > 4)
-                       TLVPrintFromBuffer(buf, len-2);
+               if (decodeTLV && response_len > 4)
+                       TLVPrintFromBuffer(response, response_len-2);
 
 
-               free(buf);
+               free(response);
        }
        return 0;
 }
 
        }
        return 0;
 }
 
-int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
-       *dataoutlen = 0;
+
+int ExchangeAPDUSC(uint8_t *APDU, int APDUlen, bool activateCard, bool leaveSignalON, uint8_t *response, int maxresponselen, int *responselen) 
+{
+       uint8_t TPDU[ISO7816_MAX_FRAME_SIZE];
+       
+       *responselen = 0;
 
        if (activateCard)
                smart_select(false);
 
 
        if (activateCard)
                smart_select(false);
 
-       PrintAndLogEx(DEBUG, "APDU SC");
-
-       UsbCommand c = {CMD_SMART_RAW, {SC_RAW_T0, datainlen, 0}};      
+       uint32_t flags = SC_RAW_T0;
        if (activateCard) {
        if (activateCard) {
-               c.arg[0] |= SC_SELECT | SC_CONNECT;
+               flags |= SC_SELECT | SC_CONNECT;
        }
        }
-       memcpy(c.d.asBytes, datain, datainlen);
-       clearCommandBuffer();
-       SendCommand(&c);
-
-       int len = smart_response(dataout);
-
-       if ( len < 0 ) {
-               return 2;
+       
+       if (APDUlen == 4) {     // Case 1
+               memcpy(TPDU, APDU, 4);
+               TPDU[4] = 0x00;
+               smart_transmit(TPDU, 5, flags, response, responselen, maxresponselen);
+       } else if (APDUlen == 5) { // Case 2 Short
+               smart_transmit(APDU, 5, flags, response, responselen, maxresponselen);
+               if (response[0] == 0x6C) { // wrong Le
+                       uint16_t Le = APDU[4] ? APDU[4] : 256;
+                       uint8_t La = response[1];
+                       memcpy(TPDU, APDU, 5);
+                       TPDU[4] = La;
+                       smart_transmit(TPDU, 5, SC_RAW_T0, response, responselen, maxresponselen);
+                       if (Le < La && *responselen >= 0) {
+                               response[Le] = response[*responselen-2];
+                               response[Le+1] = response[*responselen-1];
+                               *responselen = Le + 2;
+                       }
+               }
+       } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4]) { // Case 3 Short
+               smart_transmit(APDU, APDUlen, flags, response, responselen, maxresponselen);
+       } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4] + 1) { // Case 4 Short
+               smart_transmit(APDU, APDUlen-1, flags, response, responselen, maxresponselen);
+               if (response[0] == 0x90 && response[1] == 0x00) {
+                       uint8_t Le = APDU[APDUlen-1];
+                       uint8_t get_response[5] = {0x00, ISO7816_GET_RESPONSE, 0x00, 0x00, Le};
+                       return ExchangeAPDUSC(get_response, 5, false, leaveSignalON, response, maxresponselen, responselen);
+               }
+       } else { // Long Cases not yet implemented
+               PrintAndLogEx(ERR, "Long APDUs not yet implemented");
+               *responselen = -3;
        }
 
        }
 
-       // retry
-       if (len > 1 && dataout[len - 2] == 0x6c && datainlen > 4) {
-               UsbCommand c2 = {CMD_SMART_RAW, {SC_RAW_T0, datainlen, 0}};     
-               memcpy(c2.d.asBytes, datain, 5);
-
-               // transfer length via T=0
-               c2.d.asBytes[4] = dataout[len - 1];
-
-               clearCommandBuffer();
-               SendCommand(&c2);
-
-               len = smart_response(dataout);
+       if (*responselen < 0 ) {
+               return 1;
+       } else {
+               return 0;
        }
        }
-       *dataoutlen = len;
-
-       return 0;
 }
 
 
 }
 
 
-int CmdSmartUpgrade(const char *Cmd) {
+static int CmdSmartUpgrade(const char *Cmd) {
 
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
 
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
@@ -805,7 +778,8 @@ int CmdSmartUpgrade(const char *Cmd) {
        return 0;
 }
 
        return 0;
 }
 
-int CmdSmartInfo(const char *Cmd){
+
+static int CmdSmartInfo(const char *Cmd){
        uint8_t cmdp = 0;
        bool errors = false, silent = false;
 
        uint8_t cmdp = 0;
        bool errors = false, silent = false;
 
@@ -831,6 +805,11 @@ int CmdSmartInfo(const char *Cmd){
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }
+       
+       if (!card.atr_len) {
+               if (!silent) PrintAndLogEx(ERR, "can't get ATR from a smart card");
+               return 1;
+       }
 
        // print header
        PrintAndLogEx(INFO, "--- Smartcard Information ---------");
 
        // print header
        PrintAndLogEx(INFO, "--- Smartcard Information ---------");
@@ -898,7 +877,8 @@ int CmdSmartReader(const char *Cmd){
        return 0;
 }
 
        return 0;
 }
 
-int CmdSmartSetClock(const char *Cmd){
+
+static int CmdSmartSetClock(const char *Cmd){
        uint8_t cmdp = 0;
        bool errors = false;
        uint8_t clock = 0;
        uint8_t cmdp = 0;
        bool errors = false;
        uint8_t clock = 0;
@@ -953,12 +933,18 @@ int CmdSmartSetClock(const char *Cmd){
        return 0;
 }
 
        return 0;
 }
 
-int CmdSmartList(const char *Cmd) {
-       CmdHFList("7816");
+
+static int CmdSmartList(const char *Cmd) {
+       if (UseAlternativeSmartcardReader) {
+               CmdHFList("7816 p");
+       } else {
+               CmdHFList("7816");
+       }
        return 0;
 }
 
        return 0;
 }
 
-int CmdSmartBruteforceSFI(const char *Cmd) {
+
+static int CmdSmartBruteforceSFI(const char *Cmd) {
 
        char ctmp = tolower(param_getchar(Cmd, 0));
        if (ctmp == 'h') return usage_sm_brute();
 
        char ctmp = tolower(param_getchar(Cmd, 0));
        if (ctmp == 'h') return usage_sm_brute();
@@ -970,16 +956,16 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
                return 1;
        }
 
                return 1;
        }
 
-       PrintAndLogEx(INFO, "Selecting PPSE aid");
+       PrintAndLogEx(INFO, "Selecting PSE aid");
        CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
        CmdSmartRaw("0 t d 00a4040007a000000004101000");  // mastercard
 //     CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
 
        PrintAndLogEx(INFO, "starting");
 
        CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
        CmdSmartRaw("0 t d 00a4040007a000000004101000");  // mastercard
 //     CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
 
        PrintAndLogEx(INFO, "starting");
 
-       UsbCommand c = {CMD_SMART_RAW, {SC_RAW, sizeof(data), 0}};
-       uint8_t* buf = malloc(USB_CMD_DATA_SIZE);
-       if ( !buf )
+       int response_len = 0;
+       uint8_t* response = malloc(ISO7816_MAX_FRAME_SIZE);
+       if (!response)
                return 1;
 
        for (uint8_t i=1; i < 4; i++) {
                return 1;
 
        for (uint8_t i=1; i < 4; i++) {
@@ -988,53 +974,47 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
                        data[2] = p1;
                        data[3] = (i << 3) + 4;
 
                        data[2] = p1;
                        data[3] = (i << 3) + 4;
 
-                       memcpy(c.d.asBytes, data, sizeof(data) );
-                       clearCommandBuffer();
-                       SendCommand(&c);
+                       smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
 
-                       smart_response(buf);
-
-                       if ( buf[0] == 0x6C ) {
-                               data[4] = buf[1];
-
-                               memcpy(c.d.asBytes, data, sizeof(data) );
-                               clearCommandBuffer();
-                               SendCommand(&c);
-                               uint8_t len = smart_response(buf);
+                       if ( response[0] == 0x6C ) {
+                               data[4] = response[1];
+                               smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
                                // TLV decoder
 
                                // TLV decoder
-                               if (len > 4)
-                                       TLVPrintFromBuffer(buf+1, len-3);
+                               if (response_len > 4)
+                                       TLVPrintFromBuffer(response+1, response_len-3);
 
                                data[4] = 0;
                        }
 
                                data[4] = 0;
                        }
-                       memset(buf, 0x00, USB_CMD_DATA_SIZE);
+                       memset(response, 0x00, ISO7816_MAX_FRAME_SIZE);
                }
        }
                }
        }
-       free(buf);
+       free(response);
        return 0;
 }
 
 static command_t CommandTable[] = {
        {"help",     CmdHelp,               1, "This help"},
        {"select",   CmdSmartSelect,        1, "Select the Smartcard Reader to use"},
        return 0;
 }
 
 static command_t CommandTable[] = {
        {"help",     CmdHelp,               1, "This help"},
        {"select",   CmdSmartSelect,        1, "Select the Smartcard Reader to use"},
-       {"list",     CmdSmartList,          0, "List ISO 7816 history"},
-       {"info",     CmdSmartInfo,          0, "Tag information"},
-       {"reader",   CmdSmartReader,        0, "Act like an IS07816 reader"},
-       {"raw",      CmdSmartRaw,           0, "Send raw hex data to tag"},
+       {"list",     CmdSmartList,          1, "List ISO 7816 history"},
+       {"info",     CmdSmartInfo,          1, "Tag information"},
+       {"reader",   CmdSmartReader,        1, "Act like an IS07816 reader"},
+       {"raw",      CmdSmartRaw,           1, "Send raw hex data to tag"},
        {"upgrade",  CmdSmartUpgrade,       0, "Upgrade firmware"},
        {"upgrade",  CmdSmartUpgrade,       0, "Upgrade firmware"},
-       {"setclock", CmdSmartSetClock,      0, "Set clock speed"},
-       {"brute",    CmdSmartBruteforceSFI, 0, "Bruteforce SFI"},
+       {"setclock", CmdSmartSetClock,      1, "Set clock speed"},
+       {"brute",    CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
        {NULL,       NULL,                  0, NULL}
 };
 
        {NULL,       NULL,                  0, NULL}
 };
 
+
 int CmdSmartcard(const char *Cmd) {
        clearCommandBuffer();
        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 
 int CmdSmartcard(const char *Cmd) {
        clearCommandBuffer();
        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 
-int CmdHelp(const char *Cmd) {
+
+static int CmdHelp(const char *Cmd) {
        CmdsHelp(CommandTable);
        return 0;
 }
        CmdsHelp(CommandTable);
        return 0;
 }
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