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CHG: mostly syntax suger, trying to uniform the look 'n feel.. To make calls act to what is expected.

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This commit is contained in:
iceman1001 2016-04-10 12:56:59 +02:00
commit 2abdfa491c
4 changed files with 67 additions and 104 deletions
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36
armsrc/mifarecmd.c
View file

@ -832,7 +832,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
for (i = 101; i < 1200; i++) {
nttmp = prng_successor_one(nttmp);
nttmp = prng_successor(nttmp, 1);
if (nttmp == nt2) break;
}
@ -914,7 +914,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
ncount = 0;
nttest = prng_successor(nt1, dmin - 1);
for (j = dmin; j < dmax + 1; j++) {
nttest = prng_successor_one(nttest);
nttest = prng_successor(nttest, 1);
ks1 = nt2 ^ nttest;
if (valid_nonce(nttest, nt2, ks1, par_array)){
@ -983,7 +983,7 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
struct Crypto1State *pcs;
pcs = &mpcs;
// clear debug level
// save old debuglevel, and tempory turn off dbg printing. speedissues.
int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
MF_DBGLEVEL = MF_DBG_NONE;
@ -996,35 +996,33 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
clear_trace();
set_tracing(TRUE);
for (i = 0; i < keyCount; ++i) {
if (!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");
mifare_classic_halt(pcs, cuid);
if (!iso14443a_select_card(uid, NULL, &cuid, true, 0))
break;
}
ui64Key = bytes_to_num(datain + i * 6, 6);
if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
if (mifare_classic_halt(pcs, cuid))
if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");
if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST))
continue;
}
isOK = 1;
break;
}
LED_B_ON();
cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6);
// restore debug level
MF_DBGLEVEL = OLD_MF_DBGLEVEL;
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff();
set_tracing(FALSE);
crypto1_destroy(pcs);
// restore debug level
MF_DBGLEVEL = OLD_MF_DBGLEVEL;
}
//-----------------------------------------------------------------------------
@ -1205,7 +1203,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
// wipe tag, fill it with zeros
if (workFlags & MAGIC_WIPE){
ReaderTransmitBitsPar(wupC1,7,0, NULL);
ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");
errormsg = MAGIC_WIPE;
@ -1224,7 +1222,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
// write block
if (workFlags & MAGIC_WUPC) {
ReaderTransmitBitsPar(wupC1,7,0, NULL);
ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");
errormsg = MAGIC_WUPC;
@ -1297,7 +1295,7 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
//loop doesn't loop just breaks out if error or done
while (true) {
if (workFlags & MAGIC_WUPC) {
ReaderTransmitBitsPar(wupC1,7,0, NULL);
ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");
errormsg = MAGIC_WUPC;
@ -1350,7 +1348,7 @@ void MifareCIdent(){
uint8_t receivedAnswer[1] = {0x00};
uint8_t receivedAnswerPar[1] = {0x00};
ReaderTransmitBitsPar(wupC1,7,0, NULL);
ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
isOK = false;
}

2
armsrc/mifaredesfire.c
View file

@ -520,7 +520,7 @@ int DesfireAPDU(uint8_t *cmd, size_t cmd_len, uint8_t *dataout){
len = ReaderReceive(resp, par);
if( len == 0x00 ){
if ( !len ) {
if (MF_DBGLEVEL >= 4) Dbprintf("fukked");
return FALSE; //DATA LINK ERROR
}

130
armsrc/mifareutil.c
View file

@ -49,9 +49,9 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u
for (i = 0; i < len; i++) {
bt = data[i];
data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];
if ((i&0x0007) == 0)
par[i>>3] = 0;
par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));
if ( ( i & 0x0007 ) == 0)
par[ i >> 3 ] = 0;
par[ i >> 3 ] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));
}
}
@ -65,32 +65,28 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
}
// send X byte basic commands
int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
{
int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) {
uint8_t dcmd[data_size+3];
dcmd[0] = cmd;
memcpy(dcmd+1,data,data_size);
memcpy(dcmd+1, data, data_size);
AppendCrc14443a(dcmd, data_size+1);
ReaderTransmit(dcmd, sizeof(dcmd), timing);
int len = ReaderReceive(answer, answer_parity);
if(!len) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);
len = ReaderReceive(answer,answer_parity);
if (MF_DBGLEVEL >= MF_DBG_ERROR)
Dbprintf("%02X Cmd failed. Card timeout.", cmd);
len = ReaderReceive(answer,answer_parity);
}
return len;
}
// send 2 byte commands
int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)
{
uint8_t dcmd[4] = {0x00};
uint8_t ecmd[4] = {0x00};
int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) {
uint16_t pos, res;
uint8_t dcmd[4] = {cmd, data, 0x00, 0x00};
uint8_t ecmd[4] = {0x00, 0x00, 0x00, 0x00};
uint8_t par[1] = {0x00}; // 1 Byte parity is enough here
dcmd[0] = cmd;
dcmd[1] = data;
AppendCrc14443a(dcmd, 2);
memcpy(ecmd, dcmd, sizeof(dcmd));
if (crypted) {
@ -99,9 +95,7 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];
par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));
}
ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);
} else {
ReaderTransmit(dcmd, sizeof(dcmd), timing);
}
@ -117,26 +111,21 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;
answer[0] = res;
answer[0] = res;
} else {
for (pos = 0; pos < len; pos++)
answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];
}
}
return len;
}
// mifare classic commands
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_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) {
return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);
}
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)
{
// variables
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 len;
uint32_t pos;
uint8_t par[1] = {0x00};
@ -208,7 +197,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");
return 2;
}
ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);
if (ntpp != bytes_to_num(receivedAnswer, 4)) {
@ -218,17 +207,14 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
return 0;
}
int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData)
{
// variables
int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {
int len;
uint8_t bt[2] = {0x00};
uint8_t bt[2] = {0x00, 0x00};
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
// command MIFARE_CLASSIC_READBLOCK
len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
len = mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
if (len == 1) {
if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
return 1;
@ -252,10 +238,10 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
// mifare ultralight commands
int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
uint16_t len;
uint8_t resp[4] = {0x00};
uint16_t len = 0;
uint8_t resp[4] = {0x00, 0x00, 0x00, 0x00};
uint8_t respPar[1] = {0x00};
uint8_t key[4] = {0x00};
uint8_t key[4] = {0x00, 0x00, 0x00, 0x00};
memcpy(key, keybytes, 4);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
@ -278,7 +264,6 @@ int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
int mifare_ultra_auth(uint8_t *keybytes){
/// 3des2k
uint8_t random_a[8] = {1,1,1,1,1,1,1,1};
uint8_t random_b[8] = {0x00};
uint8_t enc_random_b[8] = {0x00};
@ -287,7 +272,7 @@ int mifare_ultra_auth(uint8_t *keybytes){
uint8_t key[16] = {0x00};
memcpy(key, keybytes, 16);
uint16_t len;
uint16_t len = 0;
uint8_t resp[19] = {0x00};
uint8_t respPar[3] = {0,0,0};
@ -323,7 +308,7 @@ int mifare_ultra_auth(uint8_t *keybytes){
// 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, resp, respPar, NULL);
len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);
if (len != 11) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);
@ -361,10 +346,9 @@ int mifare_ultra_auth(uint8_t *keybytes){
return 1;
}
int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
{
uint16_t len;
uint8_t bt[2] = {0x00};
int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData) {
uint16_t len = 0;
uint8_t bt[2] = {0x00, 0x00};
uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};
uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};
@ -389,12 +373,11 @@ int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
return 0;
}
int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData)
{
int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {
// variables
uint16_t len;
uint16_t len = 0;
uint32_t pos = 0;
uint8_t par[3] = {0x00}; // enough for 18 Bytes to send
uint8_t par[3] = {0x00, 0x00, 0x00}; // enough for 18 Bytes to send
byte_t res = 0;
uint8_t d_block[18], d_block_enc[18];
@ -433,13 +416,11 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res);
return 2;
}
return 0;
}
/* // command not needed, but left for future testing
int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData)
{
int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) {
uint16_t len;
uint8_t par[3] = {0}; // enough for 18 parity bits
uint8_t d_block[18] = {0x00};
@ -470,19 +451,16 @@ int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData)
}
*/
int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
{
uint16_t len;
uint8_t d_block[5] = {0x00};
int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) {
uint16_t len = 0;
uint8_t block[5] = {blockNo, 0x00, 0x00, 0x00, 0x00 };
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
// command MIFARE_CLASSIC_WRITEBLOCK
d_block[0]= blockNo;
memcpy(d_block+1,blockData,4);
//AppendCrc14443a(d_block, 6);
memcpy(block+1, blockData, 4);
len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);
len = mifare_sendcmd( MIFARE_ULC_WRITE, block, sizeof(block), receivedAnswer, receivedAnswerPar, NULL);
if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK
if (MF_DBGLEVEL >= MF_DBG_ERROR)
@ -492,11 +470,9 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
return 0;
}
int mifare_classic_halt_ex(struct Crypto1State *pcs) {
uint16_t len;
uint8_t receivedAnswer[4] = {0x00};
uint8_t receivedAnswerPar[4] = {0x00};
len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
uint16_t len = 0;
uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};
len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);
if (len != 0) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);
return 1;
@ -507,16 +483,12 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) {
return mifare_classic_halt_ex(pcs);
}
int mifare_ultra_halt()
{
uint16_t len;
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
int mifare_ultra_halt() {
uint16_t len = 0;
uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};
len = mifare_sendcmd_short(NULL, CRYPT_NONE, 0x50, 0x00, receivedAnswer, NULL, NULL);
if (len != 0) {
if (MF_DBGLEVEL >= MF_DBG_ERROR)
Dbprintf("halt error. response len: %x", len);
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);
return 1;
}
return 0;
@ -525,15 +497,11 @@ int mifare_ultra_halt()
// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),
// plus evtl. 8 sectors with 16 blocks each (4k cards)
uint8_t NumBlocksPerSector(uint8_t sectorNo)
{
if (sectorNo < 32)
return 4;
return 16;
uint8_t NumBlocksPerSector(uint8_t sectorNo) {
return (sectorNo < 32) ? 4 : 16;
}
uint8_t FirstBlockOfSector(uint8_t sectorNo)
{
uint8_t FirstBlockOfSector(uint8_t sectorNo) {
if (sectorNo < 32)
return sectorNo * 4;
else
@ -635,9 +603,7 @@ void emlClearMem(void) {
// Mifare desfire commands
int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
{
uint8_t dcmd[5] = {0x00};
dcmd[0] = cmd;
memcpy(dcmd+1,data,2);
uint8_t dcmd[5] = {cmd, data[0], data[1], 0x00, 0x00};
AppendCrc14443a(dcmd, 3);
ReaderTransmit(dcmd, sizeof(dcmd), NULL);

3
armsrc/util.c
View file

@ -57,8 +57,7 @@ void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
uint64_t bytes_to_num(uint8_t* src, size_t len)
{
uint64_t num = 0;
while (len--)
{
while (len--) {
num = (num << 8) | (*src);
src++;
}