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Merge pull request #112 from merlokk/ndef_tlv

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Ndef reading for and mfp
This commit is contained in:
Oleg Moiseenko 2019-03-05 19:58:28 +02:00 • committed by GitHub
commit 8302751db7
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 634 additions and 2 deletions
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1
client/Makefile
View file

@ -158,6 +158,7 @@ CMDSRCS = crapto1/crapto1.c \
emv/emv_roca.c \ emv/emv_roca.c \
mifare/mifare4.c \ mifare/mifare4.c \
mifare/mad.c \ mifare/mad.c \
mifare/ndef.c \
cmdanalyse.c \ cmdanalyse.c \
cmdhf.c \ cmdhf.c \
cmdhflist.c \ cmdhflist.c \

109
client/cmdhfmf.c
View file

@ -11,6 +11,7 @@
#include "cmdhfmf.h" #include "cmdhfmf.h"
#include "mifare/mifare4.h" #include "mifare/mifare4.h"
#include "mifare/mad.h" #include "mifare/mad.h"
#include "mifare/ndef.h"
#define MFBLOCK_SIZE 16 #define MFBLOCK_SIZE 16
@ -3220,7 +3221,7 @@ int CmdHF14AMfMAD(const char *cmd) {
CLIParserInit("hf mf mad", CLIParserInit("hf mf mad",
"Checks and prints Mifare Application Directory (MAD)", "Checks and prints Mifare Application Directory (MAD)",
"Usage:\n\thf mf mad -> shows MAD if exists\n" "Usage:\n\thf mf mad -> shows MAD if exists\n"
"\thf mf mad -a 03e1 -k d3f7d3f7d3f7 -> shows NDEF data if exists\n"); "\thf mf mad -a 03e1 -k ffffffffffff -b -> shows NDEF data if exists. read card with custom key and key B\n");
void* argtable[] = { void* argtable[] = {
arg_param_begin, arg_param_begin,
@ -3305,6 +3306,110 @@ int CmdHF14AMfMAD(const char *cmd) {
return 0; return 0;
} }
int CmdHFMFNDEF(const char *cmd) {
CLIParserInit("hf mf ndef",
"Prints NFC Data Exchange Format (NDEF)",
"Usage:\n\thf mf ndef -> shows NDEF data\n"
"\thf mf ndef -a 03e1 -k ffffffffffff -b -> shows NDEF data with custom AID, key and with key B\n");
void* argtable[] = {
arg_param_begin,
arg_litn("vV", "verbose", 0, 2, "show technical data"),
arg_str0("aA", "aid", "replace default aid for NDEF", NULL),
arg_str0("kK", "key", "replace default key for NDEF", NULL),
arg_lit0("bB", "keyb", "use key B for access sectors (by default: key A)"),
arg_param_end
};
CLIExecWithReturn(cmd, argtable, true);
bool verbose = arg_get_lit(1);
bool verbose2 = arg_get_lit(1) > 1;
uint8_t aid[2] = {0};
int aidlen;
CLIGetHexWithReturn(2, aid, &aidlen);
uint8_t key[6] = {0};
int keylen;
CLIGetHexWithReturn(3, key, &keylen);
bool keyB = arg_get_lit(4);
CLIParserFree();
uint16_t ndefAID = 0x03e1;
if (aidlen == 2)
ndefAID = (aid[0] << 8) + aid[1];
uint8_t ndefkey[6] = {0};
memcpy(ndefkey, g_mifare_ndef_key, 6);
if (keylen == 6) {
memcpy(ndefkey, key, 6);
}
uint8_t sector0[16 * 4] = {0};
uint8_t sector10[16 * 4] = {0};
uint8_t data[4096] = {0};
int datalen = 0;
PrintAndLogEx(NORMAL, "");
if (mfReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector0)) {
PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
return 2;
}
bool haveMAD2 = false;
int res = MADCheck(sector0, NULL, verbose, &haveMAD2);
if (res) {
PrintAndLogEx(ERR, "MAD error %d.", res);
return res;
}
if (haveMAD2) {
if (mfReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector10)) {
PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
return 2;
}
}
uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
size_t madlen = 0;
if (MADDecode(sector0, (haveMAD2 ? sector10 : NULL), mad, &madlen)) {
PrintAndLogEx(ERR, "can't decode mad.");
return 10;
}
printf("data reading:");
for (int i = 0; i < madlen; i++) {
if (ndefAID == mad[i]) {
uint8_t vsector[16 * 4] = {0};
if (mfReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, ndefkey, vsector)) {
PrintAndLogEx(ERR, "read sector %d error.", i + 1);
return 2;
}
memcpy(&data[datalen], vsector, 16 * 3);
datalen += 16 * 3;
printf(".");
}
}
printf(" OK\n");
if (!datalen) {
PrintAndLogEx(ERR, "no NDEF data.");
return 11;
}
if (verbose2) {
PrintAndLogEx(NORMAL, "NDEF data:");
dump_buffer(data, datalen, stdout, 1);
}
NDEFDecodeAndPrint(data, datalen, verbose);
return 0;
}
int CmdHF14AMfList(const char *Cmd) { int CmdHF14AMfList(const char *Cmd) {
CmdTraceList("mf"); CmdTraceList("mf");
return 0; return 0;
@ -3349,7 +3454,7 @@ static command_t CommandTable[] = {
{"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
{"-----------", CmdHelp, 1, ""}, {"-----------", CmdHelp, 1, ""},
{"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"}, {"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"},
// {"ndef", CmdHF14AMfHDEF, 0, "Checks and prints NDEF records from card"}, {"ndef", CmdHFMFNDEF, 0, "Prints NDEF records from card"},
{"ice", CmdHF14AMfice, 0, "collect Mifare Classic nonces to file"}, {"ice", CmdHF14AMfice, 0, "collect Mifare Classic nonces to file"},
{NULL, NULL, 0, NULL} {NULL, NULL, 0, NULL}

107
client/cmdhfmfp.c
View file

@ -24,8 +24,10 @@
#include "mifare.h" #include "mifare.h"
#include "mifare/mifare4.h" #include "mifare/mifare4.h"
#include "mifare/mad.h" #include "mifare/mad.h"
#include "mifare/ndef.h"
#include "cliparser/cliparser.h" #include "cliparser/cliparser.h"
#include "crypto/libpcrypto.h" #include "crypto/libpcrypto.h"
#include "emv/dump.h"
static const uint8_t DefaultKey[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; static const uint8_t DefaultKey[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
@ -733,6 +735,110 @@ int CmdHFMFPMAD(const char *cmd) {
return 0; return 0;
} }
int CmdHFMFPNDEF(const char *cmd) {
CLIParserInit("hf mfp ndef",
"Prints NFC Data Exchange Format (NDEF)",
"Usage:\n\thf mfp ndef -> shows NDEF data\n"
"\thf mfp ndef -a 03e1 -k d3f7d3f7d3f7d3f7d3f7d3f7d3f7d3f7 -> shows NDEF data with custom AID and key\n");
void* argtable[] = {
arg_param_begin,
arg_litn("vV", "verbose", 0, 2, "show technical data"),
arg_str0("aA", "aid", "replace default aid for NDEF", NULL),
arg_str0("kK", "key", "replace default key for NDEF", NULL),
arg_lit0("bB", "keyb", "use key B for access sectors (by default: key A)"),
arg_param_end
};
CLIExecWithReturn(cmd, argtable, true);
bool verbose = arg_get_lit(1);
bool verbose2 = arg_get_lit(1) > 1;
uint8_t aid[2] = {0};
int aidlen;
CLIGetHexWithReturn(2, aid, &aidlen);
uint8_t key[16] = {0};
int keylen;
CLIGetHexWithReturn(3, key, &keylen);
bool keyB = arg_get_lit(4);
CLIParserFree();
uint16_t ndefAID = 0x03e1;
if (aidlen == 2)
ndefAID = (aid[0] << 8) + aid[1];
uint8_t ndefkey[16] = {0};
memcpy(ndefkey, g_mifarep_ndef_key, 16);
if (keylen == 16) {
memcpy(ndefkey, key, 16);
}
uint8_t sector0[16 * 4] = {0};
uint8_t sector10[16 * 4] = {0};
uint8_t data[4096] = {0};
int datalen = 0;
PrintAndLogEx(NORMAL, "");
if (mfpReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector0, verbose)) {
PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
return 2;
}
bool haveMAD2 = false;
int res = MADCheck(sector0, NULL, verbose, &haveMAD2);
if (res) {
PrintAndLogEx(ERR, "MAD error %d.", res);
return res;
}
if (haveMAD2) {
if (mfpReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector10, verbose)) {
PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
return 2;
}
}
uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
size_t madlen = 0;
if (MADDecode(sector0, (haveMAD2 ? sector10 : NULL), mad, &madlen)) {
PrintAndLogEx(ERR, "can't decode mad.");
return 10;
}
printf("data reading:");
for (int i = 0; i < madlen; i++) {
if (ndefAID == mad[i]) {
uint8_t vsector[16 * 4] = {0};
if (mfpReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, ndefkey, vsector, false)) {
PrintAndLogEx(ERR, "read sector %d error.", i + 1);
return 2;
}
memcpy(&data[datalen], vsector, 16 * 3);
datalen += 16 * 3;
printf(".");
}
}
printf(" OK\n");
if (!datalen) {
PrintAndLogEx(ERR, "no NDEF data.");
return 11;
}
if (verbose2) {
PrintAndLogEx(NORMAL, "NDEF data:");
dump_buffer(data, datalen, stdout, 1);
}
NDEFDecodeAndPrint(data, datalen, verbose);
return 0;
}
static command_t CommandTable[] = static command_t CommandTable[] =
{ {
{"help", CmdHelp, 1, "This help"}, {"help", CmdHelp, 1, "This help"},
@ -745,6 +851,7 @@ static command_t CommandTable[] =
{"rdsc", CmdHFMFPRdsc, 0, "Read sectors"}, {"rdsc", CmdHFMFPRdsc, 0, "Read sectors"},
{"wrbl", CmdHFMFPWrbl, 0, "Write blocks"}, {"wrbl", CmdHFMFPWrbl, 0, "Write blocks"},
{"mad", CmdHFMFPMAD, 0, "Checks and prints MAD"}, {"mad", CmdHFMFPMAD, 0, "Checks and prints MAD"},
{"ndef", CmdHFMFPNDEF, 0, "Prints NDEF records from card"},
{NULL, NULL, 0, NULL} {NULL, NULL, 0, NULL}
}; };

357
client/mifare/ndef.c Normal file
View file

@ -0,0 +1,357 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2019 Merlok
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// NFC Data Exchange Format (NDEF) functions
//-----------------------------------------------------------------------------
#include "ndef.h"
#include "ui.h"
#include "emv/dump.h"
#include "crypto/asn1utils.h"
#define STRBOOL(p) ((p) ? "+" : "-")
static const char *TypeNameFormat_s[] = {
"Empty Record",
"Well Known Record",
"MIME Media Record",
"Absolute URI Record",
"External Record",
"Unknown Record",
"Unchanged Record"
"n/a"
};
static const char *ndefSigType_s[] = {
"Not present", // No signature present
"RSASSA_PSS_SHA_1", // PKCS_1
"RSASSA_PKCS1_v1_5_WITH_SHA_1", // PKCS_1
"DSA",
"ECDSA",
"n/a"
};
static const char *ndefCertificateFormat_s[] = {
"X_509",
"X9_68",
"n/a"
};
static const char *URI_s[] = {
"", // 0x00
"http://www.", // 0x01
"https://www.", // 0x02
"http://", // 0x03
"https://", // 0x04
"tel:", // 0x05
"mailto:", // 0x06
"ftp://anonymous:anonymous@", // 0x07
"ftp://ftp.", // 0x08
"ftps://", // 0x09
"sftp://", // 0x0A
"smb://", // 0x0B
"nfs://", // 0x0C
"ftp://", // 0x0D
"dav://", // 0x0E
"news:", // 0x0F
"telnet://", // 0x10
"imap:", // 0x11
"rtsp://", // 0x12
"urn:", // 0x13
"pop:", // 0x14
"sip:", // 0x15
"sips:", // 0x16
"tftp:", // 0x17
"btspp://", // 0x18
"btl2cap://", // 0x19
"btgoep://", // 0x1A
"tcpobex://", // 0x1B
"irdaobex://", // 0x1C
"file://", // 0x1D
"urn:epc:id:", // 0x1E
"urn:epc:tag:", // 0x1F
"urn:epc:pat:", // 0x20
"urn:epc:raw:", // 0x21
"urn:epc:", // 0x22
"urn:nfc:" // 0x23
};
uint16_t ndefTLVGetLength(uint8_t *data, size_t *indx) {
uint16_t len = 0;
if (data[0] == 0xff) {
len = (data[1] << 8) + data[2];
*indx += 3;
} else {
len = data[0];
*indx += 1;
}
return len;
}
int ndefDecodeHeader(uint8_t *data, size_t datalen, NDEFHeader_t *header) {
header->Type = NULL;
header->Payload = NULL;
header->ID = NULL;
header->MessageBegin = data[0] & 0x80;
header->MessageEnd = data[0] & 0x40;
header->ChunkFlag = data[0] & 0x20;
header->ShortRecordBit = data[0] & 0x10;
header->IDLenPresent = data[0] & 0x08;
header->TypeNameFormat = data[0] & 0x07;
header->len = 1 + 1 + (header->ShortRecordBit ? 1 : 4) + (header->IDLenPresent ? 1 : 0); // header + typelen + payloadlen + idlen
if (header->len > datalen)
return 1;
header->TypeLen = data[1];
header->Type = data + header->len;
header->PayloadLen = (header->ShortRecordBit ? (data[2]) : ((data[2] << 24) + (data[3] << 16) + (data[4] << 8) + data[5]));
if (header->IDLenPresent) {
header->IDLen = (header->ShortRecordBit ? (data[3]) : (data[6]));
header->Payload = header->Type + header->TypeLen;
} else {
header->IDLen = 0;
}
header->Payload = header->Type + header->TypeLen + header->IDLen;
header->RecLen = header->len + header->TypeLen + header->PayloadLen + header->IDLen;
if (header->RecLen > datalen)
return 3;
return 0;
}
int ndefPrintHeader(NDEFHeader_t *header) {
PrintAndLogEx(INFO, "Header:");
PrintAndLogEx(NORMAL, "\tMessage Begin: %s", STRBOOL(header->MessageBegin));
PrintAndLogEx(NORMAL, "\tMessage End: %s", STRBOOL(header->MessageEnd));
PrintAndLogEx(NORMAL, "\tChunk Flag: %s", STRBOOL(header->ChunkFlag));
PrintAndLogEx(NORMAL, "\tShort Record Bit: %s", STRBOOL(header->ShortRecordBit));
PrintAndLogEx(NORMAL, "\tID Len Present: %s", STRBOOL(header->IDLenPresent));
PrintAndLogEx(NORMAL, "\tType Name Format: [0x%02x] %s", header->TypeNameFormat, TypeNameFormat_s[header->TypeNameFormat]);
PrintAndLogEx(NORMAL, "\tHeader length : %d", header->len);
PrintAndLogEx(NORMAL, "\tType length : %d", header->TypeLen);
PrintAndLogEx(NORMAL, "\tPayload length : %d", header->PayloadLen);
PrintAndLogEx(NORMAL, "\tID length : %d", header->IDLen);
PrintAndLogEx(NORMAL, "\tRecord length : %d", header->RecLen);
return 0;
}
int ndefDecodeSig(uint8_t *sig, size_t siglen) {
size_t indx = 0;
PrintAndLogEx(NORMAL, "\tsignature version: 0x%02x", sig[0]);
if (sig[0] != 0x01) {
PrintAndLogEx(ERR, "signature version unknown.");
return 1;
}
indx++;
uint8_t sigType = sig[indx] & 0x7f;
bool sigURI = sig[indx] & 0x80;
PrintAndLogEx(NORMAL, "\tsignature type: %s", ((sigType < stNA) ? ndefSigType_s[sigType] : ndefSigType_s[stNA]));
PrintAndLogEx(NORMAL, "\tsignature uri: %s", (sigURI ? "present" : "not present"));
size_t intsiglen = (sig[indx + 1] << 8) + sig[indx + 2];
// ecdsa 0x04
if (sigType == stECDSA) {
indx += 3;
PrintAndLogEx(NORMAL, "\tsignature [%d]: %s", intsiglen, sprint_hex_inrow(&sig[indx], intsiglen));
uint8_t rval[300] = {0};
uint8_t sval[300] = {0};
int res = ecdsa_asn1_get_signature(&sig[indx], intsiglen, rval, sval);
if (!res) {
PrintAndLogEx(NORMAL ,"\t\tr: %s", sprint_hex(rval, 32));
PrintAndLogEx(NORMAL ,"\t\ts: %s", sprint_hex(sval, 32));
}
}
indx += intsiglen;
if (sigURI) {
size_t intsigurilen = (sig[indx] << 8) + sig[indx + 1];
indx += 2;
PrintAndLogEx(NORMAL, "\tsignature uri [%d]: %.*s", intsigurilen, intsigurilen, &sig[indx]);
indx += intsigurilen;
}
uint8_t certFormat = (sig[indx] >> 4) & 0x07;
uint8_t certCount = sig[indx] & 0x0f;
bool certURI = sig[indx] & 0x80;
PrintAndLogEx(NORMAL, "\tcertificate format: %s", ((certFormat < sfNA) ? ndefCertificateFormat_s[certFormat] : ndefCertificateFormat_s[sfNA]));
PrintAndLogEx(NORMAL, "\tcertificates count: %d", certCount);
// print certificates
indx++;
for (int i = 0; i < certCount; i++) {
size_t intcertlen = (sig[indx + 1] << 8) + sig[indx + 2];
indx += 2;
PrintAndLogEx(NORMAL, "\tcertificate %d [%d]: %s", i + 1, intcertlen, sprint_hex_inrow(&sig[indx], intcertlen));
indx += intcertlen;
}
// have certificate uri
if ((indx <= siglen) && certURI) {
size_t inturilen = (sig[indx] << 8) + sig[indx + 1];
indx += 2;
PrintAndLogEx(NORMAL, "\tcertificate uri [%d]: %.*s", inturilen, inturilen, &sig[indx]);
indx += inturilen;
}
return 0;
};
int ndefDecodePayload(NDEFHeader_t *ndef) {
switch(ndef->TypeNameFormat) {
case tnfWellKnownRecord:
PrintAndLogEx(INFO, "Well Known Record");
PrintAndLogEx(NORMAL, "\ttype: %.*s", ndef->TypeLen, ndef->Type);
if (!strncmp((char *)ndef->Type, "T", ndef->TypeLen)) {
PrintAndLogEx(NORMAL, "\ttext : %.*s", ndef->PayloadLen, ndef->Payload);
}
if (!strncmp((char *)ndef->Type, "U", ndef->TypeLen)) {
PrintAndLogEx(NORMAL, "\turi : %s%.*s", (ndef->Payload[0] <= 0x23 ? URI_s[ndef->Payload[0]] : "[err]"), ndef->PayloadLen, &ndef->Payload[1]);
}
if (!strncmp((char *)ndef->Type, "Sig", ndef->TypeLen)) {
ndefDecodeSig(ndef->Payload, ndef->PayloadLen);
}
break;
case tnfAbsoluteURIRecord:
PrintAndLogEx(INFO, "Absolute URI Record");
PrintAndLogEx(NORMAL, "\ttype: %.*s", ndef->TypeLen, ndef->Type);
PrintAndLogEx(NORMAL, "\tpayload: %.*s", ndef->PayloadLen, ndef->Payload);
break;
default:
break;
}
return 0;
}
int ndefRecordDecodeAndPrint(uint8_t *ndefRecord, size_t ndefRecordLen) {
NDEFHeader_t NDEFHeader = {0};
int res = ndefDecodeHeader(ndefRecord, ndefRecordLen, &NDEFHeader);
if (res)
return res;
ndefPrintHeader(&NDEFHeader);
if (NDEFHeader.TypeLen) {
PrintAndLogEx(INFO, "Type data:");
dump_buffer(NDEFHeader.Type, NDEFHeader.TypeLen, stdout, 1);
}
if (NDEFHeader.IDLen) {
PrintAndLogEx(INFO, "ID data:");
dump_buffer(NDEFHeader.ID, NDEFHeader.IDLen, stdout, 1);
}
if (NDEFHeader.PayloadLen) {
PrintAndLogEx(INFO, "Payload data:");
dump_buffer(NDEFHeader.Payload, NDEFHeader.PayloadLen, stdout, 1);
if (NDEFHeader.TypeLen)
ndefDecodePayload(&NDEFHeader);
}
return 0;
}
int ndefRecordsDecodeAndPrint(uint8_t *ndefRecord, size_t ndefRecordLen) {
bool firstRec = true;
size_t len = 0;
while (len < ndefRecordLen) {
NDEFHeader_t NDEFHeader = {0};
int res = ndefDecodeHeader(&ndefRecord[len], ndefRecordLen - len, &NDEFHeader);
if (res)
return res;
if (firstRec) {
if (!NDEFHeader.MessageBegin) {
PrintAndLogEx(ERR, "NDEF first record have MessageBegin=false!");
return 1;
}
firstRec = false;
}
if (NDEFHeader.MessageEnd && len + NDEFHeader.RecLen != ndefRecordLen) {
PrintAndLogEx(ERR, "NDEF records have wrong length. Must be %d, calculated %d", ndefRecordLen, len + NDEFHeader.RecLen);
return 1;
}
ndefRecordDecodeAndPrint(&ndefRecord[len], NDEFHeader.RecLen);
len += NDEFHeader.RecLen;
if (NDEFHeader.MessageEnd)
break;
}
return 0;
}
int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose) {
size_t indx = 0;
PrintAndLogEx(INFO, "NDEF decoding:");
while (indx < ndefLen) {
switch (ndef[indx]) {
case 0x00: {
indx++;
uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
PrintAndLogEx(INFO, "-- NDEF NULL block.");
if (len)
PrintAndLogEx(WARNING, "NDEF NULL block size must be 0 instead of %d.", len);
indx += len;
break;
}
case 0x03: {
indx++;
uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
PrintAndLogEx(INFO, "-- NDEF message. len: %d", len);
int res = ndefRecordsDecodeAndPrint(&ndef[indx], len);
if (res)
return res;
indx += len;
break;
}
case 0xfd: {
indx++;
uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
PrintAndLogEx(INFO, "-- NDEF proprietary info. Skipped %d bytes.", len);
indx += len;
break;
}
case 0xfe: {
PrintAndLogEx(INFO, "-- NDEF Terminator. Done.");
return 0;
break;
}
default: {
PrintAndLogEx(ERR, "unknown tag 0x%02x", ndef[indx]);
return 1;
}
}
}
return 0;
}

62
client/mifare/ndef.h Normal file
View file

@ -0,0 +1,62 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2019 Merlok
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// NFC Data Exchange Format (NDEF) functions
//-----------------------------------------------------------------------------
#ifndef _NDEF_H_
#define _NDEF_H_
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
typedef enum {
tnfEmptyRecord = 0x00,
tnfWellKnownRecord = 0x01,
tnfMIMEMediaRecord = 0x02,
tnfAbsoluteURIRecord = 0x03,
tnfExternalRecord = 0x04,
tnfUnknownRecord = 0x05,
tnfUnchangedRecord = 0x06
} TypeNameFormat_t;
typedef enum {
stNotPresent = 0x00,
stRSASSA_PSS_SHA_1 = 0x01,
stRSASSA_PKCS1_v1_5_WITH_SHA_1 = 0x02,
stDSA = 0x03,
stECDSA = 0x04,
stNA = 0x05
} ndefSigType_t;
typedef enum {
sfX_509 = 0x00,
sfX9_68 = 0x01,
sfNA = 0x02
} ndefCertificateFormat_t;
typedef struct {
bool MessageBegin;
bool MessageEnd;
bool ChunkFlag;
bool ShortRecordBit;
bool IDLenPresent;
TypeNameFormat_t TypeNameFormat;
size_t TypeLen;
size_t PayloadLen;
size_t IDLen;
size_t len;
size_t RecLen;
uint8_t *Type;
uint8_t *Payload;
uint8_t *ID;
} NDEFHeader_t;
extern int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose);
#endif // _NDEF_H_