unleashed-firmware/applications/debug/ccid_test/iso7816_t0_apdu.c
Filipe Paz Rodrigues 4308a5e377
CCID: Support PC To Reader Transfer Block data (#3126)
* CCID: Support PC To Reader Transfer Block data
* Format sources

Co-authored-by: あく <alleteam@gmail.com>
2023-10-10 03:48:37 +09:00

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1 KiB
C

/* Implements rudimentary iso7816-3 support for APDU (T=0) */
#include <stdint.h>
#include <string.h>
#include <furi.h>
#include "iso7816_t0_apdu.h"
void iso7816_answer_to_reset(uint8_t* dataBuffer, uint32_t* atrlen) {
//minimum valid ATR: https://smartcard-atr.apdu.fr/parse?ATR=3B+00
uint8_t AtrBuffer[2] = {
0x3B, //TS (direct convention)
0x00 // T0 (Y(1): b0000, K: 0 (historical bytes))
};
*atrlen = 2;
memcpy(dataBuffer, AtrBuffer, sizeof(uint8_t) * (*atrlen));
}
void iso7816_read_command_apdu(
struct ISO7816_Command_APDU* command,
const uint8_t* dataBuffer,
uint32_t dataLen) {
UNUSED(dataLen);
command->CLA = dataBuffer[0];
command->INS = dataBuffer[1];
command->P1 = dataBuffer[2];
command->P2 = dataBuffer[3];
command->Lc = dataBuffer[4];
}
void iso7816_write_response_apdu(
const struct ISO7816_Response_APDU* response,
uint8_t* dataBuffer,
uint32_t* dataLen) {
dataBuffer[0] = response->SW1;
dataBuffer[1] = response->SW2;
*dataLen = 2;
}