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https://github.com/DarkFlippers/unleashed-firmware.git
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a089aeb2bd
* Add Initial CCID support * Sync api symbols * Format sources Co-authored-by: あく <alleteam@gmail.com>
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* Implements rudimentary iso7816-3 support for APDU (T=0) */
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#include <stdint.h>
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#include <string.h>
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#include <furi.h>
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#include "iso7816_t0_apdu.h"
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void iso7816_answer_to_reset(uint8_t* atrBuffer, uint32_t* atrlen) {
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//minimum valid ATR: https://smartcard-atr.apdu.fr/parse?ATR=3B+00
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uint8_t AtrBuffer[2] = {
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0x3B, //TS (direct convention)
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0x00 // T0 (Y(1): b0000, K: 0 (historical bytes))
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};
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*atrlen = 2;
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memcpy(atrBuffer, AtrBuffer, sizeof(uint8_t) * (*atrlen));
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}
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void iso7816_read_command_apdu(
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struct ISO7816_Command_APDU* command,
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const uint8_t* dataBuffer,
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uint32_t dataLen) {
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furi_assert(dataLen <= 4);
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command->CLA = dataBuffer[0];
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command->INS = dataBuffer[1];
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command->P1 = dataBuffer[2];
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command->P2 = dataBuffer[3];
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}
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void iso7816_write_response_apdu(
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const struct ISO7816_Response_APDU* response,
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uint8_t* dataBuffer,
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uint32_t* dataLen) {
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dataBuffer[0] = response->SW1;
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dataBuffer[1] = response->SW2;
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*dataLen = 2;
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} |