From 093cbaf63e09d4472f7f923541521e611ed77daa Mon Sep 17 00:00:00 2001 From: "adam@algroup.co.uk" Date: Mon, 24 Aug 2009 12:09:43 +0000 Subject: [PATCH] fix Mifare AUTH for hi14areader command --- armsrc/iso14443a.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c index c5557d39..6cd217f1 100644 --- a/armsrc/iso14443a.c +++ b/armsrc/iso14443a.c @@ -914,8 +914,6 @@ static const BYTE response2a[] = { 0x51, 0x48, 0x1d, 0x80, 0x84 }; // uid - cas BYTE response3a[] = { 0x20, 0x00, 0x00 }; // SAK Select (cascade2) successful response (DESFire) ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]); -// When reader tries to authenticate - // static const BYTE cmd5[] = { 0x60, 0x00, 0xf5, 0x7b }; static const BYTE response5[] = { 0x00, 0x00, 0x00, 0x00 }; // Very random tag nonce BYTE *resp; @@ -1503,6 +1501,9 @@ void ReaderIso14443a(DWORD parameter) //BYTE cmd6[] = { 0xe0,0x50,0xbc,0xa5 }; // original RATS BYTE cmd6[] = { 0xe0,0x21,0xb2,0xc7 }; // Desfire RATS + // Mifare AUTH + BYTE cmd7[] = { 0x60, 0x00, 0x00, 0x00 }; + int reqaddr = 2024; // was 2024 - tied to other size changes int reqsize = 60; @@ -1525,8 +1526,8 @@ void ReaderIso14443a(DWORD parameter) BYTE *req6 = (((BYTE *)BigBuf) + reqaddr + (reqsize * 5)); int req6Len; - //BYTE *req7 = (((BYTE *)BigBuf) + reqaddr + (reqsize * 6)); - //int req7Len; + BYTE *req7 = (((BYTE *)BigBuf) + reqaddr + (reqsize * 6)); + int req7Len; BYTE *receivedAnswer = (((BYTE *)BigBuf) + 3560); // was 3560 - tied to other size changes @@ -1771,13 +1772,15 @@ void ReaderIso14443a(DWORD parameter) } // Secondly compute the two CRC bytes at the end - ComputeCrc14443(CRC_14443_A, cmd5, 2, &cmd5[2], &cmd5[3]); + ComputeCrc14443(CRC_14443_A, cmd7, 2, &cmd7[2], &cmd7[3]); + CodeIso14443aAsReader(cmd7, sizeof(cmd7)); + memcpy(req7, ToSend, ToSendMax); req7Len = ToSendMax; // Send authentication request (Mifare Classic) - TransmitFor14443a(req5, req5Len, &samples, &wait); + TransmitFor14443a(req7, req7Len, &samples, &wait); trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 0; trace[traceLen++] = 4; - memcpy(trace+traceLen, cmd5, 4); + memcpy(trace+traceLen, cmd7, 4); traceLen += 4; if(traceLen > TRACE_LENGTH) goto done; if(GetIso14443aAnswerFromTag(receivedAnswer, 100, &samples, &elapsed)) { @@ -1808,9 +1811,7 @@ void ReaderIso14443a(DWORD parameter) } done: - LED_A_OFF(); - LED_B_OFF(); - LED_C_OFF(); + LEDsoff(); DbpIntegers(rsamples, 0xCC, 0xCC); DbpString("ready.."); } -- 2.39.5