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ofw pr: picopass se identify

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OFW PR 1701 by pcunning
This commit is contained in:
MX 2022-09-16 18:42:12 +03:00
parent 71a6844a5f
commit 870dfd188c
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GPG key ID: 6C4C311DFD4B4AB5
5 changed files with 103 additions and 35 deletions
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6
applications/plugins/picopass/picopass_device.c
View file

@ -309,10 +309,6 @@ ReturnCode picopass_device_decrypt(uint8_t* enc_data, uint8_t* dec_data) {
ReturnCode picopass_device_parse_credential(PicopassBlock* AA1, PicopassPacs* pacs) {
ReturnCode err;
// Thank you proxmark!
pacs->legacy = (memcmp(AA1[5].data, "\xff\xff\xff\xff\xff\xff\xff\xff", 8) == 0);
pacs->se_enabled = (memcmp(AA1[5].data, "\xff\xff\xff\x00\x06\xff\xff\xff", 8) == 0);
pacs->biometrics = AA1[6].data[4];
pacs->pin_length = AA1[6].data[6] & 0x0F;
pacs->encryption = AA1[6].data[7];
@ -347,6 +343,8 @@ ReturnCode picopass_device_parse_credential(PicopassBlock* AA1, PicopassPacs* pa
FURI_LOG_D(TAG, "Unknown encryption");
}
pacs->sio = (AA1[10].data[0] == 0x30); // rough check
return ERR_NONE;
}

1
applications/plugins/picopass/picopass_device.h
View file

@ -47,6 +47,7 @@ typedef struct {
typedef struct {
bool legacy;
bool se_enabled;
bool sio;
bool biometrics;
uint8_t pin_length;
PicopassEncryption encryption;

98
applications/plugins/picopass/picopass_worker.c
View file

@ -112,18 +112,12 @@ ReturnCode picopass_detect_card(int timeout) {
return ERR_NONE;
}
ReturnCode picopass_read_card(PicopassBlock* AA1) {
ReturnCode picopass_read_preauth(PicopassBlock* AA1) {
rfalPicoPassIdentifyRes idRes;
rfalPicoPassSelectRes selRes;
rfalPicoPassReadCheckRes rcRes;
rfalPicoPassCheckRes chkRes;
ReturnCode err;
uint8_t div_key[8] = {0};
uint8_t mac[4] = {0};
uint8_t ccnr[12] = {0};
err = rfalPicoPassPollerIdentify(&idRes);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "rfalPicoPassPollerIdentify error %d", err);
@ -136,6 +130,62 @@ ReturnCode picopass_read_card(PicopassBlock* AA1) {
return err;
}
memcpy(AA1[PICOPASS_CSN_BLOCK_INDEX].data, selRes.CSN, sizeof(selRes.CSN));
FURI_LOG_D(
TAG,
"csn %02x%02x%02x%02x%02x%02x%02x%02x",
AA1[PICOPASS_CSN_BLOCK_INDEX].data[0],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[1],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[2],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[3],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[4],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[5],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[6],
AA1[PICOPASS_CSN_BLOCK_INDEX].data[7]);
rfalPicoPassReadBlockRes cfg = {0};
err = rfalPicoPassPollerReadBlock(PICOPASS_CONFIG_BLOCK_INDEX, &cfg);
memcpy(AA1[PICOPASS_CONFIG_BLOCK_INDEX].data, cfg.data, sizeof(cfg.data));
FURI_LOG_D(
TAG,
"config %02x%02x%02x%02x%02x%02x%02x%02x",
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[0],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[1],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[2],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[3],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[4],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[5],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[6],
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[7]);
rfalPicoPassReadBlockRes aia;
err = rfalPicoPassPollerReadBlock(PICOPASS_AIA_BLOCK_INDEX, &aia);
memcpy(AA1[PICOPASS_AIA_BLOCK_INDEX].data, aia.data, sizeof(aia.data));
FURI_LOG_D(
TAG,
"aia %02x%02x%02x%02x%02x%02x%02x%02x",
AA1[PICOPASS_AIA_BLOCK_INDEX].data[0],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[1],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[2],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[3],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[4],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[5],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[6],
AA1[PICOPASS_AIA_BLOCK_INDEX].data[7]);
return ERR_NONE;
}
ReturnCode picopass_read_card(PicopassBlock* AA1) {
rfalPicoPassReadCheckRes rcRes;
rfalPicoPassCheckRes chkRes;
ReturnCode err;
uint8_t div_key[8] = {0};
uint8_t mac[4] = {0};
uint8_t ccnr[12] = {0};
err = rfalPicoPassPollerReadCheck(&rcRes);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "rfalPicoPassPollerReadCheck error %d", err);
@ -143,7 +193,7 @@ ReturnCode picopass_read_card(PicopassBlock* AA1) {
}
memcpy(ccnr, rcRes.CCNR, sizeof(rcRes.CCNR)); // last 4 bytes left 0
loclass_diversifyKey(selRes.CSN, picopass_iclass_key, div_key);
loclass_diversifyKey(AA1[PICOPASS_CSN_BLOCK_INDEX].data, picopass_iclass_key, div_key);
loclass_opt_doReaderMAC(ccnr, div_key, mac);
err = rfalPicoPassPollerCheck(mac, &chkRes);
@ -152,18 +202,11 @@ ReturnCode picopass_read_card(PicopassBlock* AA1) {
return err;
}
rfalPicoPassReadBlockRes csn;
err = rfalPicoPassPollerReadBlock(PICOPASS_CSN_BLOCK_INDEX, &csn);
memcpy(AA1[PICOPASS_CSN_BLOCK_INDEX].data, csn.data, sizeof(csn.data));
rfalPicoPassReadBlockRes cfg;
err = rfalPicoPassPollerReadBlock(PICOPASS_CONFIG_BLOCK_INDEX, &cfg);
memcpy(AA1[PICOPASS_CONFIG_BLOCK_INDEX].data, cfg.data, sizeof(cfg.data));
size_t app_limit = cfg.data[0] < PICOPASS_MAX_APP_LIMIT ? cfg.data[0] : PICOPASS_MAX_APP_LIMIT;
size_t app_limit = AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[0] < PICOPASS_MAX_APP_LIMIT ?
AA1[PICOPASS_CONFIG_BLOCK_INDEX].data[0] :
PICOPASS_MAX_APP_LIMIT;
for(size_t i = 2; i < app_limit; i++) {
FURI_LOG_D(TAG, "rfalPicoPassPollerReadBlock block %d", i);
rfalPicoPassReadBlockRes block;
err = rfalPicoPassPollerReadBlock(i, &block);
if(err != ERR_NONE) {
@ -287,11 +330,30 @@ void picopass_worker_detect(PicopassWorker* picopass_worker) {
PicopassPacs* pacs = &dev_data->pacs;
ReturnCode err;
// reset device data
for(size_t i = 0; i < PICOPASS_MAX_APP_LIMIT; i++) {
memset(AA1[i].data, 0, sizeof(AA1[i].data));
}
memset(pacs, 0, sizeof(PicopassPacs));
PicopassWorkerEvent nextState = PicopassWorkerEventSuccess;
while(picopass_worker->state == PicopassWorkerStateDetect) {
if(picopass_detect_card(1000) == ERR_NONE) {
// Process first found device
err = picopass_read_preauth(AA1);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "picopass_read_preauth error %d", err);
nextState = PicopassWorkerEventFail;
}
// Thank you proxmark!
pacs->legacy = (memcmp(AA1[5].data, "\xff\xff\xff\xff\xff\xff\xff\xff", 8) == 0);
pacs->se_enabled = (memcmp(AA1[5].data, "\xff\xff\xff\x00\x06\xff\xff\xff", 8) == 0);
if(pacs->se_enabled) {
FURI_LOG_D(TAG, "SE enabled");
}
err = picopass_read_card(AA1);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "picopass_read_card error %d", err);

1
applications/plugins/picopass/picopass_worker.h
View file

@ -24,6 +24,7 @@ typedef enum {
PicopassWorkerEventSuccess,
PicopassWorkerEventFail,
PicopassWorkerEventNoCardDetected,
PicopassWorkerEventSeEnabled,
PicopassWorkerEventStartReading,
} PicopassWorkerEvent;

32
applications/plugins/picopass/scenes/picopass_scene_read_card_success.c
View file

@ -17,8 +17,10 @@ void picopass_scene_read_card_success_on_enter(void* context) {
Picopass* picopass = context;
string_t credential_str;
string_t wiegand_str;
string_t sio_str;
string_init(credential_str);
string_init(wiegand_str);
string_init(sio_str);
DOLPHIN_DEED(DolphinDeedNfcReadSuccess);
@ -32,6 +34,10 @@ void picopass_scene_read_card_success_on_enter(void* context) {
if(pacs->record.bitLength == 0) {
string_cat_printf(wiegand_str, "Read Failed");
if(pacs->se_enabled) {
string_cat_printf(credential_str, "SE enabled");
}
widget_add_button_element(
widget,
GuiButtonTypeLeft,
@ -39,8 +45,6 @@ void picopass_scene_read_card_success_on_enter(void* context) {
picopass_scene_read_card_success_widget_callback,
picopass);
widget_add_string_element(
widget, 64, 12, AlignCenter, AlignCenter, FontPrimary, string_get_cstr(wiegand_str));
} else {
size_t bytesLength = 1 + pacs->record.bitLength / 8;
string_set_str(credential_str, "");
@ -55,6 +59,10 @@ void picopass_scene_read_card_success_on_enter(void* context) {
string_cat_printf(wiegand_str, "%d bits", pacs->record.bitLength);
}
if(pacs->sio) {
string_cat_printf(sio_str, "+SIO");
}
widget_add_button_element(
widget,
GuiButtonTypeLeft,
@ -68,20 +76,18 @@ void picopass_scene_read_card_success_on_enter(void* context) {
"More",
picopass_scene_read_card_success_widget_callback,
picopass);
widget_add_string_element(
widget, 64, 12, AlignCenter, AlignCenter, FontPrimary, string_get_cstr(wiegand_str));
widget_add_string_element(
widget,
64,
32,
AlignCenter,
AlignCenter,
FontSecondary,
string_get_cstr(credential_str));
}
widget_add_string_element(
widget, 64, 12, AlignCenter, AlignCenter, FontPrimary, string_get_cstr(wiegand_str));
widget_add_string_element(
widget, 64, 32, AlignCenter, AlignCenter, FontSecondary, string_get_cstr(credential_str));
widget_add_string_element(
widget, 64, 42, AlignCenter, AlignCenter, FontSecondary, string_get_cstr(sio_str));
string_clear(credential_str);
string_clear(wiegand_str);
string_clear(sio_str);
view_dispatcher_switch_to_view(picopass->view_dispatcher, PicopassViewWidget);
}