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This commit is contained in:
iceman1001 2019-11-08 12:00:21 +01:00
commit 182f239d21
7 changed files with 82 additions and 82 deletions
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30
armsrc/mifarecmd.c
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@ -2176,7 +2176,7 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain) {
//
// Tear-off attack against MFU.
// - Mobius et al
// - Moebius et al
void MifareU_Otp_Tearoff() {
// should the
@ -2184,8 +2184,8 @@ void MifareU_Otp_Tearoff() {
// optional authentication before?
// optional data to be written?
if (DBGLEVEL >= DBG_ERROR) DbpString("Preparing OTP tear-off");
if (DBGLEVEL >= DBG_ERROR) DbpString("Preparing OTP tear-off");
LEDsoff();
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
clear_trace();
@ -2197,17 +2197,17 @@ void MifareU_Otp_Tearoff() {
#define OTP_BLK_NO 3
// write cmd to send, include CRC
// 1b write, 1b block, 4b data, 2 crc
// 1b write, 1b block, 4b data, 2 crc
uint8_t cmd[] = {MIFARE_ULC_WRITE, OTP_BLK_NO, 0xFF, 0xFF, 0xFF, 0xFF, 0, 0};
// User specific data to write?
// User specific data to write?
// memcpy(block + 2, blockData, 4);
AddCrc14A(cmd, sizeof(cmd) - 2);
if (DBGLEVEL >= DBG_ERROR) DbpString("Transmitting");
// anticollision / select card
// anticollision / select card
if (!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
if (DBGLEVEL >= DBG_ERROR) Dbprintf("Can't select card");
OnError(1);
@ -2225,18 +2225,18 @@ void MifareU_Otp_Tearoff() {
return;
}
}
*/
*/
// send
// send
ReaderTransmit(cmd, sizeof(cmd), NULL);
// Wait before cutting power. aka tear-off
LED_D_ON();
WaitUS(OTP_TEAR_OFF_TIME);
LED_D_ON();
WaitUS(OTP_TEAR_OFF_TIME);
switch_off();
reply_ng(CMD_HF_MFU_OTP_TEAROFF, PM3_SUCCESS, NULL, 0);
StopTicks();
if (DBGLEVEL >= DBG_ERROR) DbpString("Done");
StopTicks();
if (DBGLEVEL >= DBG_ERROR) DbpString("Done");
}