github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-08-19 04:49:38 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

fixed #541

Browse source
This commit is contained in:
merlokk 2018-01-16 17:54:54 +02:00
commit 3544b99715
1 changed files with 174 additions and 167 deletions
Download patch file Download diff file Expand all files Collapse all files

33
armsrc/mifaresniff.c
View file

@ -70,10 +70,18 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui
}
break;
}
case SNF_ATQA:{
case SNF_ATQA:
case SNF_UID1:{
// SNF_ATQA
if ((reader) && (len == 2) && (data[0] == 0x93) && (data[1] == 0x20)) { // Select ALL from reader
sniffState = SNF_ANTICOL1;
}
// SNF_UID1
if ((reader) && (len == 9) && (data[0] == 0x93) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) { // Select 4 Byte UID from reader
memcpy(sniffUID + 3, &data[2], 4);
sniffState = SNF_SAK;
}
break;
}
case SNF_ANTICOL1:{
@ -83,17 +91,13 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui
}
break;
}
case SNF_UID1:{
if ((reader) && (len == 9) && (data[0] == 0x93) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) { // Select 4 Byte UID from reader
sniffState = SNF_SAK;
}
break;
}
case SNF_SAK:{
if ((!reader) && (len == 3) && (CheckCrc14443(CRC_14443_A, data, 3))) { // SAK from card?
sniffSAK = data[0];
if (sniffUID[3] == 0x88) { // CL2 UID part to be expected
sniffState = SNF_ANTICOL2;
if ((sniffUID[3] == 0x88) && (sniffUIDType == SNF_UID_4)) { // CL2 UID part to be expected
sniffUIDType = SNF_UID_7;
memcpy(sniffUID, sniffUID + 4, 3);
sniffState = SNF_UID2;
} else { // select completed
sniffState = SNF_CARD_IDLE;
}
@ -102,15 +106,18 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui
}
case SNF_ANTICOL2:{
if ((!reader) && (len == 5) && ((data[0] ^ data[1] ^ data[2] ^ data[3]) == data[4])) { // CL2 UID
memcpy(sniffUID, sniffUID+4, 3);
memcpy(sniffUID+3, data, 4);
sniffUIDType = SNF_UID_7;
memcpy(sniffUID + 3, data, 4);
sniffState = SNF_UID2;
}
break;
}
case SNF_UID2:{
if ((reader) && (len == 9) && (data[0] == 0x95) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) { // Select 2nd part of 7 Byte UID
if ((reader) && (len == 2) && (data[0] == 0x95) && (data[1] == 0x20)) {
sniffState = SNF_ANTICOL2;
}
if ((reader) && (len == 9) && (data[0] == 0x95) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) {
memcpy(sniffUID + 3, &data[2], 4);
sniffState = SNF_SAK;
}
break;