RfidResearchGroup/proxmark3
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Merge branch 'master' of https://github.com/RfidResearchGroup/proxmark3

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This commit is contained in:
iceman1001 2019-04-04 07:22:13 +02:00
commit 101611b301
3 changed files with 23 additions and 1 deletions
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18
armsrc/iso14443a.c
View file

@ -1126,6 +1126,24 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
AddCrc14A(emdata, len);
EmSendCmd(emdata, len + 2);
p_response = NULL;
} else if ((receivedCmd[0] == MIFARE_ULC_WRITE || receivedCmd[0] == MIFARE_ULC_COMP_WRITE) && (tagType == 2 || tagType == 7)) { // Received a WRITE
// cmd + block + 4/16 bytes data + 2 bytes crc
if (len == 8 || len == 20) {
bool isCrcCorrect = CheckCrc14A(receivedCmd, len);
if (isCrcCorrect) {
int block = receivedCmd[1] + 12; // first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
emlSetMem_xt(&receivedCmd[2], block, 1, 4);
// send ACK
EmSend4bit(CARD_ACK);
} else {
// send NACK 0x1 == crc/parity error
EmSend4bit(CARD_NACK_PA);
}
} else {
// send NACK 0x0 == invalid argument
EmSend4bit(CARD_NACK_IV);
}
p_response = NULL;
} else if (receivedCmd[0] == MIFARE_ULEV1_READSIG && tagType == 7) { // Received a READ SIGNATURE --
// first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
uint16_t start = 4 * 4;

4
armsrc/iso14443a.h
View file

@ -93,6 +93,10 @@ typedef struct {
# define AddCrc14B(data, len) compute_crc(CRC_14443_B, (data), (len), (data)+(len), (data)+(len)+1)
#endif
#ifndef CheckCrc14A
# define CheckCrc14A(data, len) check_crc(CRC_14443_A, (data), (len))
#endif
extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
extern tDemod *GetDemod(void);

2
common/protocols.h
View file

@ -166,7 +166,7 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
#define MIFARE_EV1_SETMODE 0x43
#define MIFARE_ULC_WRITE 0xA2
//#define MIFARE_ULC__COMP_WRITE 0xA0
#define MIFARE_ULC_COMP_WRITE 0xA0
#define MIFARE_ULC_AUTH_1 0x1A
#define MIFARE_ULC_AUTH_2 0xAF