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sniff iClass SIO and diversifier

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This commit is contained in:
Eric Betts
2023-06-30 18:08:19 -07:00
parent 677dcea5d0
commit 541ec26ed7
2 changed files with 33 additions and 4 deletions
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seader_credential.h
+2
View File
@@ -29,6 +29,8 @@ typedef struct {
DialogsApp* dialogs;
uint64_t credential;
size_t bit_length;
uint8_t sio[64];
uint8_t diversifier[8];
SeaderCredentialType type;
SeaderCredentialSaveFormat save_format;
char name[SEADER_CRED_NAME_MAX_LEN + 1];
seader_worker.c
+31 -4
View File
@@ -338,7 +338,11 @@ void sendCardDetected(SeaderUartBridge* seader_uart, CardDetails_t* cardDetails)
ASN_STRUCT_FREE(asn_DEF_Payload, payload);
}
bool unpack_pacs(SeaderWorker* seader_worker, SeaderCredential* seader_credential, uint8_t* buf, size_t size) {
bool unpack_pacs(
SeaderWorker* seader_worker,
SeaderCredential* seader_credential,
uint8_t* buf,
size_t size) {
PAC_t* pac = 0;
pac = calloc(1, sizeof *pac);
assert(pac);
@@ -351,6 +355,12 @@ bool unpack_pacs(SeaderWorker* seader_worker, SeaderCredential* seader_credentia
(&asn_DEF_PAC)->op->print_struct(&asn_DEF_PAC, pac, 1, toString, pacDebug);
if(strlen(pacDebug) > 0) {
FURI_LOG_D(TAG, "Received pac: %s", pacDebug);
memset(display, 0, sizeof(display));
for(uint8_t i = 0; i < sizeof(seader_credential->sio); i++) {
snprintf(display + (i * 2), sizeof(display), "%02x", seader_credential->sio[i]);
}
FURI_LOG_D(TAG, "SIO %s", display);
}
if(pac->size <= sizeof(seader_credential->credential)) {
@@ -472,8 +482,12 @@ bool iso14443aTransmit(SeaderWorker* seader_worker, uint8_t* buffer, size_t len)
return false;
}
uint8_t readBlock6[] = {0x06, 0x06, 0x45, 0x56};
uint8_t readBlock9[] = {0x06, 0x09, 0xB2, 0xAE};
bool iso15693Transmit(SeaderWorker* seader_worker, uint8_t* buffer, size_t len) {
SeaderUartBridge* seader_uart = seader_worker->uart;
SeaderCredential* credential = seader_worker->credential;
char display[SEADER_UART_RX_BUF_SIZE * 2 + 1] = {0};
FuriHalNfcReturn ret;
uint16_t recvLen = 0;
@@ -489,6 +503,11 @@ bool iso15693Transmit(SeaderWorker* seader_worker, uint8_t* buffer, size_t len)
snprintf(display + (i * 2), sizeof(display), "%02x", rxBuffer[i]);
}
// FURI_LOG_D(TAG, "Result %d %s", recvLen, display);
if(memcmp(buffer, readBlock6, len) == 0) {
memcpy(credential->sio, rxBuffer, 32);
} else if(memcmp(buffer, readBlock9, len) == 0) {
memcpy(credential->sio + 32, rxBuffer + 8, 24);
}
sendNFCRx(seader_uart, rxBuffer, recvLen);
} else if(ret == FuriHalNfcReturnCrc) {
@@ -497,6 +516,11 @@ bool iso15693Transmit(SeaderWorker* seader_worker, uint8_t* buffer, size_t len)
snprintf(display + (i * 2), sizeof(display), "%02x", rxBuffer[i]);
}
// FURI_LOG_D(TAG, "[CRC error] Result %d %s", recvLen, display);
if(memcmp(buffer, readBlock6, len) == 0) {
memcpy(credential->sio, rxBuffer, 32);
} else if(memcmp(buffer, readBlock9, len) == 0) {
memcpy(credential->sio + 32, rxBuffer + 8, 24);
}
sendNFCRx(seader_uart, rxBuffer, recvLen);
@@ -669,7 +693,9 @@ bool processAPDU(SeaderWorker* seader_worker, uint8_t* apdu, size_t len) {
return false;
}
ReturnCode picopass_card_init(SeaderUartBridge* seader_uart) {
ReturnCode picopass_card_init(SeaderWorker* seader_worker) {
SeaderUartBridge* seader_uart = seader_worker->uart;
SeaderCredential* credential = seader_worker->credential;
rfalPicoPassIdentifyRes idRes;
rfalPicoPassSelectRes selRes;
@@ -703,6 +729,8 @@ ReturnCode picopass_card_init(SeaderUartBridge* seader_uart) {
&cardDetails->protocol, (const char*)protocolBytes, sizeof(protocolBytes));
OCTET_STRING_fromBuf(&cardDetails->csn, (const char*)selRes.CSN, RFAL_PICOPASS_MAX_BLOCK_LEN);
memcpy(credential->diversifier, selRes.CSN, RFAL_PICOPASS_MAX_BLOCK_LEN);
sendCardDetected(seader_uart, cardDetails);
ASN_STRUCT_FREE(asn_DEF_CardDetails, cardDetails);
@@ -736,13 +764,12 @@ ReturnCode picopass_card_detect() {
}
ReturnCode picopass_card_read(SeaderWorker* seader_worker) {
SeaderUartBridge* seader_uart = seader_worker->uart;
ReturnCode err = ERR_TIMEOUT;
while(seader_worker->state == SeaderWorkerStateReadPicopass) {
// Card found
if(picopass_card_detect() == ERR_NONE) {
err = picopass_card_init(seader_uart);
err = picopass_card_init(seader_worker);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "picopass_card_init error %d", err);
}