From: marshmellow42 Date: Sat, 16 May 2015 05:00:31 +0000 (-0400) Subject: mfu info / dump attempt at missing auths X-Git-Tag: v2.1.0~12^2~16 X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/cceabb79e6f1bc8e9c2cab766f6edb3a4200bb74 mfu info / dump attempt at missing auths NOT TESTED. will test soon. probably has bugs! --- diff --git a/armsrc/apps.h b/armsrc/apps.h index d01c6478..d325dbe8 100644 --- a/armsrc/apps.h +++ b/armsrc/apps.h @@ -167,7 +167,7 @@ int32_t dist_nt(uint32_t nt1, uint32_t nt2); void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *data); void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain); void MifareUC_Auth1(uint8_t arg0, uint8_t *datain); -void MifareUC_Auth2(uint32_t arg0, uint8_t *datain); +void MifareUC_Auth2(uint8_t arg0, uint8_t *datain); void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain); void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain); void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain); diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c index c51a30dc..cf36b95a 100644 --- a/armsrc/mifarecmd.c +++ b/armsrc/mifarecmd.c @@ -121,7 +121,7 @@ void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){ cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11); LEDsoff(); } -void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){ +void MifareUC_Auth2(uint8_t arg0, uint8_t *datain){ uint8_t key[16] = {0x00}; byte_t dataoutbuf[16] = {0x00}; @@ -139,8 +139,10 @@ void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED"); cmd_send(CMD_ACK,1,0,0,dataoutbuf,11); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + if (arg0) { + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); + } } // Arg0 = BlockNo, @@ -346,7 +348,8 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) // params uint8_t blockNo = arg0; uint16_t blocks = arg1; - bool useKey = (arg2 == 1); + bool useKey = (arg2 == 1); //UL_C + bool usePwd = (arg2 == 2); //UL_EV1/NTAG int countblocks = 0; uint8_t dataout[176] = {0x00}; @@ -373,12 +376,12 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) uint8_t rnd_ab[16] = {0x00}; uint8_t IV[8] = {0x00}; - uint16_t len; + uint16_t len2; uint8_t receivedAnswer[MAX_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; - len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL); - if (len != 11) { + len2 = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL); + if (len2 != 11) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); OnError(1); return; @@ -396,8 +399,8 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) // encrypt out, in, length, key, iv tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b); - len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL); - if (len != 11) { + len2 = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL); + if (len2 != 11) { OnError(1); return; } @@ -412,6 +415,18 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) Dbprintf("failed authentication"); } + if (usePwd) { //ev1 or ntag auth + uint8_t Pwd[4] = {0x00}; + memcpy(Pwd, datain, 4); + uint8_t pack[4] = {0,0,0,0}; + + if (mifare_ul_ev1_auth(Pwd, pack)){ + OnError(1); + Dbprintf("failed authentication"); + return; + } + } + for (int i = 0; i < blocks; i++){ len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i); diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c index b7408cf1..cc54b740 100644 --- a/armsrc/mifareutil.c +++ b/armsrc/mifareutil.c @@ -288,6 +288,26 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo } // mifare ultralight commands +int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack){ + + uint16_t len; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; + + len = mifare_sendcmd_short_mfucauth(NULL, 0, 0x1B, key, receivedAnswer, receivedAnswerPar, NULL); + if (len != 4) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", receivedAnswer[0], len); + return 1; + } + + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) { + Dbprintf("Auth Resp: %02x%02x%02x%02x", + receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3]); + } + memcpy(pack, receivedAnswer, 4); + return 0; +} + int mifare_ultra_auth1(uint8_t *blockData){ uint16_t len; diff --git a/armsrc/mifareutil.h b/armsrc/mifareutil.h index ee3ae7c6..03a545b4 100644 --- a/armsrc/mifareutil.h +++ b/armsrc/mifareutil.h @@ -61,7 +61,8 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested); int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t * ntptr, uint32_t *timing); -int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData); +int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData); +int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack); int mifare_ultra_auth1(uint8_t *blockData); int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData); int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData); diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c index e1169659..a502a23d 100644 --- a/client/cmdhfmfu.c +++ b/client/cmdhfmfu.c @@ -586,6 +586,7 @@ int CmdHF14AMfUInfo(const char *Cmd){ uint8_t datalen = 0; uint8_t authenticationkey[16] = {0x00}; uint8_t pack[4] = {0,0,0,0}; + int len=0; while(param_getchar(Cmd, cmdp) != 0x00) { @@ -640,12 +641,25 @@ int CmdHF14AMfUInfo(const char *Cmd){ } if ( hasAuthKey ) { - if ((tagtype & UL_C)) - try3DesAuthentication(authenticationkey); - else - ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack)); + if ((tagtype & UL_C)) { + ul_switch_off_field(); + //will select card automatically + if (try3DesAuthentication(authenticationkey, false) != 1) { + ul_switch_off_field(); + PrintAndLog("Error: Authentication Failed UL-C"); + return 0; + } + } else { + len = ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack)); + if (len < 1) { + if (!len) ul_switch_off_field(); + PrintAndLog("Error: Authentication Failed UL-EV1/NTAG"); + return 0; + } + } } + // read pages 0,1,2,4 (should read 4pages) status = ul_read(0, data, sizeof(data)); if ( status == -1 ){ @@ -681,17 +695,18 @@ int CmdHF14AMfUInfo(const char *Cmd){ if ( hasAuthKey ) return 1; PrintAndLog("Trying some default 3des keys"); - ul_switch_off_field(); + ul_switch_off_field(); //will select again in try3DesAuth... for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){ key = default_3des_keys[i]; - if (try3DesAuthentication(key) == 1){ + if (try3DesAuthentication(key, true) == 1){ PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16)); uint8_t keySwap[16]; memcpy(keySwap, SwapEndian64(key,16,8), 16); ulc_print_3deskey(keySwap); return 1; - } + } } + return 1; //return even if key not found (UL_C is done) } } @@ -743,13 +758,14 @@ int CmdHF14AMfUInfo(const char *Cmd){ if ( authlim == 0 ){ PrintAndLog("\n--- Known EV1/NTAG passwords."); - int len=0; //if len goes to -1 the connection will be turned off. for (uint8_t i = 0; i < 3; ++i ){ key = default_pwd_pack[i]; if ( len > -1 ){ len = ulev1_requestAuthentication(key, pack, sizeof(pack)); - PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]); - break; + if (len == 1) { + PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]); + break; + } } } if (len > -1) ul_switch_off_field(); @@ -907,9 +923,12 @@ int usage_hf_mfu_dump(void) PrintAndLog("It autodetects card type.\n"); PrintAndLog("Usage: hf mfu dump s k n "); PrintAndLog(" Options : "); - PrintAndLog(" k : Enter key for authentication"); - PrintAndLog(" n : Enter filename w/o .bin to save the dump as"); - PrintAndLog(" s : Swap entered key's endianness for auth"); + PrintAndLog(" k : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]"); + PrintAndLog(" l : swap entered key's endianness for auth"); + PrintAndLog(" n : filename w/o .bin to save the dump as"); + PrintAndLog(" p : starting Page number to manually set a page to start the dump at"); + PrintAndLog(" q : number of Pages to manually set how many pages to dump"); + PrintAndLog(""); PrintAndLog(" sample : hf mfu dump"); PrintAndLog(" : hf mfu dump n myfile"); @@ -948,6 +967,8 @@ int CmdHF14AMfUDump(const char *Cmd){ bool swapEndian = false; bool manualPages = false; uint8_t startPage = 0; + char tempStr[50]; + while(param_getchar(Cmd, cmdp) != 0x00) { switch(param_getchar(Cmd, cmdp)) @@ -957,15 +978,25 @@ int CmdHF14AMfUDump(const char *Cmd){ return usage_hf_mfu_dump(); case 'k': case 'K': - dataLen = param_gethex(Cmd, cmdp+1, data, 32); - if (dataLen) { - errors = true; - } else { - memcpy(key, data, 16); - } + dataLen = param_getstr(Cmd, cmdp+1, tempStr); + if (dataLen == 32) //ul-c + errors = param_gethex(tempStr, 0, key, dataLen); + else if (dataLen == 8) //ev1/ntag + errors = param_gethex(tempStr, 0, key, dataLen); + else + errors = true; + + if (!errors) + memcpy(key, data, dataLen/2); + cmdp += 2; hasPwd = true; break; + case 'l': + case 'L': + swapEndian = true; + cmdp++; + break; case 'n': case 'N': fileNlen = param_getstr(Cmd, cmdp+1, filename); @@ -985,17 +1016,6 @@ int CmdHF14AMfUDump(const char *Cmd){ cmdp += 2; manualPages = true; break; - case 's': - case 'S': - swapEndian = true; - cmdp++; - break; - case 't': - case 'T': - //key type - ul-c or ev1/ntag - //TODO - cmdp += 2; - break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); errors = true; @@ -1007,7 +1027,7 @@ int CmdHF14AMfUDump(const char *Cmd){ //Validations if(errors) return usage_hf_mfu_dump(); - if (swapEndian) + if (swapEndian && dataLen == 32) keyPtr = SwapEndian64(data, 16, 8); TagTypeUL_t tagtype = GetHF14AMfU_Type(); @@ -1020,50 +1040,29 @@ int CmdHF14AMfUDump(const char *Cmd){ ul_print_type(tagtype, 0); PrintAndLog("Reading tag memory..."); - /* - if ( tagtype & UL ) { - Pages = 16; - PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" ); - } - else if ( tagtype & UL_C ) { - Pages = 44; - PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" ); + + UsbCommand c = {CMD_MIFAREUC_READCARD, {startPage,Pages}}; + if ( hasPwd ) { + if (tagtype & UL_C) + c.arg[2] = 1; //UL_C auth + else + c.arg[2] = 2; //UL_EV1/NTAG auth + + memcpy(c.d.asBytes, key, dataLen/2); } - else if ( tagtype & UL_EV1_48 ) { - Pages = 18; - PrintAndLog(str," EV1_48",""); + SendCommand(&c); + UsbCommand resp; + if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) { + PrintAndLog("Command execute time-out"); + return 1; } - else if ( tagtype & UL_EV1_128 ) { - Pages = 32; - PrintAndLog(str," EV1_128",""); + PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]); + uint8_t isOK = resp.arg[0] & 0xff; + if (isOK) { + memcpy(data, resp.d.asBytes, resp.arg[1]); } else { - Pages = 16; - PrintAndLog("Dumping unknown Ultralight, using default values."); - } - */ - if (!hasPwd || (tagtype & UL_C)){ - UsbCommand c = {CMD_MIFAREUC_READCARD, {startPage,Pages}}; - if ( hasPwd ) { - c.arg[2] = 1; - memcpy(c.d.asBytes, key, 16); - } - SendCommand(&c); - UsbCommand resp; - if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) { - PrintAndLog("Command execute time-out"); - return 1; - } - PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]); - uint8_t isOK = resp.arg[0] & 0xff; - if (isOK) { - memcpy(data, resp.d.asBytes, resp.arg[1]); - } else { - PrintAndLog("Failed reading block: (%02x)", i); - return 1; - } - } else { - PrintAndLog("EV1 and NTAG pwd mode not ready yet"); - return 0; + PrintAndLog("Failed reading block: (%02x)", i); + return 1; } // Load lock bytes. @@ -1077,6 +1076,7 @@ int CmdHF14AMfUDump(const char *Cmd){ } // Load bottom lockbytes if available + // HOW DOES THIS APPLY TO EV1 and/or NTAG??? if ( Pages == 44 ) { lockbytes_t2 = data + (40*4); lockbytes2[0] = lockbytes_t2[2]; @@ -1087,10 +1087,12 @@ int CmdHF14AMfUDump(const char *Cmd){ } // add keys - if (hasPwd){ + if (hasPwd && dataLen == 32){ //UL_C memcpy(data + Pages*4, key, 16); Pages += 4; - } + } + //TODO add key MEM location for other tags + for (i = 0; i < Pages; ++i) { if ( i < 3 ) { PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4)); @@ -1211,7 +1213,7 @@ int CmdHF14AMfucAuth(const char *Cmd){ } uint8_t *key = default_3des_keys[keyNo]; - if (try3DesAuthentication(key)>0) + if (try3DesAuthentication(key, true) > 0) PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16)); else PrintAndLog("Authentication failed"); @@ -1219,9 +1221,9 @@ int CmdHF14AMfucAuth(const char *Cmd){ return 0; } -int try3DesAuthentication( uint8_t *key){ +int try3DesAuthentication( uint8_t *key, bool switch_off_field ){ - uint32_t cuid = 0; + //uint32_t cuid = 0; des3_context ctx = { 0 }; @@ -1237,7 +1239,7 @@ int try3DesAuthentication( uint8_t *key){ if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1; if ( !(resp.arg[0] & 0xff) ) return -2; - cuid = resp.arg[1]; + //cuid = resp.arg[1]; memcpy(enc_random_b,resp.d.asBytes+1,8); des3_set2key_dec(&ctx, key); @@ -1254,7 +1256,7 @@ int try3DesAuthentication( uint8_t *key){ //Auth2 c.cmd = CMD_MIFAREUC_AUTH2; - c.arg[0] = cuid; + c.arg[0] = switch_off_field; memcpy(c.d.asBytes, rnd_ab, 16); SendCommand(&c); diff --git a/client/cmdhfmfu.h b/client/cmdhfmfu.h index 0ec82b2d..806c27d3 100644 --- a/client/cmdhfmfu.h +++ b/client/cmdhfmfu.h @@ -14,7 +14,7 @@ int CmdHF14AMfUCRdCard(const char *Cmd); int CmdHF14AMfucAuth(const char *Cmd); uint8_t requestAuthentication( uint8_t *nonce); -int try3DesAuthentication( uint8_t *key); +int try3DesAuthentication( uint8_t *key, bool switch_off_field); //general stuff int CmdHF14AMfUDump(const char *Cmd);