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[FL-1595] Add EMV tags (#625)

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* nfc: add expiration date tag to emv parser
* nfc: add expiration date save and display
* nfc: add long apdu test command
This commit is contained in:
gornekich
2021-08-04 21:58:11 +03:00
committed by GitHub
parent 841804026e
commit 5741ed2bd5
11 changed files with 100 additions and 14 deletions
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9
lib/nfc_protocols/emv_decoder.c
View File

@@ -214,13 +214,18 @@ uint16_t emv_prepare_read_sfi_record(uint8_t* dest, uint8_t sfi, uint8_t record_
}
bool emv_decode_read_sfi_record(uint8_t* buff, uint16_t len, EmvApplication* app) {
bool pan_parsed = false;
for(uint16_t i = 0; i < len; i++) {
if(buff[i] == EMV_TAG_PAN) {
memcpy(app->card_number, &buff[i + 2], 8);
return true;
pan_parsed = true;
} else if((buff[i] << 8 | buff[i + 1]) == EMV_TAG_EXP_DATE) {
i += 3;
app->exp_year = buff[i++];
app->exp_month = buff[i++];
}
}
return false;
return pan_parsed;
}
uint16_t emv_select_ppse_ans(uint8_t* buff) {

5
lib/nfc_protocols/emv_decoder.h
View File

@@ -16,6 +16,8 @@
#define EMV_TAG_CARD_NUM 0x57
#define EMV_TAG_PAN 0x5A
#define EMV_TAG_AFL 0x94
#define EMV_TAG_EXP_DATE 0x5F24
#define EMV_TAG_CARDHOLDER_NAME 0x5F20
typedef struct {
uint16_t tag;
@@ -35,6 +37,9 @@ typedef struct {
uint8_t aid_len;
char name[32];
uint8_t card_number[8];
uint8_t exp_month;
uint8_t exp_year;
char crdholder_name[32];
APDU pdol;
APDU afl;
} EmvApplication;