added shortcut to update binary via sfid
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1eda4c1795
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141ec6ab23
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@ -1428,6 +1428,74 @@ err:
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return r;
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}
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#define ISO_UPDATE_BINARY 0xD6
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int iso7816_update_binary_sfid(sc_card_t *card, unsigned char sfid,
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u8 *ef, size_t ef_len)
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{
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int r;
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size_t write = MAX_SM_APDU_DATA_SIZE, wrote = 0;
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sc_apdu_t apdu;
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#ifdef ENABLE_SM
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struct iso_sm_ctx *iso_sm_ctx;
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#endif
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if (!card) {
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r = SC_ERROR_INVALID_ARGUMENTS;
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goto err;
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}
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#ifdef ENABLE_SM
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iso_sm_ctx = card->sm_ctx.info.cmd_data;
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if (write > SC_MAX_APDU_BUFFER_SIZE-2
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|| (card->sm_ctx.sm_mode == SM_MODE_TRANSMIT
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&& write > (((SC_MAX_APDU_BUFFER_SIZE-2
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/* for encrypted APDUs we usually get authenticated status
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* bytes (4B), a MAC (11B) and a cryptogram with padding
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* indicator (3B without data). The cryptogram is always
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* padded to the block size. */
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-18) / iso_sm_ctx->block_length)
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* iso_sm_ctx->block_length - 1)))
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sc_format_apdu(card, &apdu, SC_APDU_CASE_3_EXT,
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ISO_UPDATE_BINARY, ISO_P1_FLAG_SFID|sfid, 0);
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else
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#endif
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sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT,
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ISO_UPDATE_BINARY, ISO_P1_FLAG_SFID|sfid, 0);
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if (write > ef_len) {
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apdu.datalen = ef_len;
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apdu.lc = ef_len;
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} else {
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apdu.datalen = write;
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apdu.lc = write;
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}
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apdu.data = ef;
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r = sc_transmit_apdu(card, &apdu);
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/* emulate the behaviour of sc_write_binary */
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if (r >= 0)
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r = apdu.datalen;
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while (1) {
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if (r < 0 || ((size_t) r) > ef_len) {
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sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE, "Could not update EF.");
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goto err;
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}
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wrote += r;
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apdu.data += r;
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if (wrote >= ef_len)
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break;
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r = sc_update_binary(card, wrote, ef, write, 0);
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}
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r = SC_SUCCESS;
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err:
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return r;
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}
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int iso7816_logout(sc_card_t *card, unsigned char pin_reference)
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{
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int r;
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@ -375,3 +375,4 @@ sc_notify_close
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sc_notify
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sc_notify_id
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sc_color_fprintf
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iso7816_update_binary_sfid
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@ -1517,7 +1517,7 @@ int iso7816_read_binary_sfid(sc_card_t *card, unsigned char sfid,
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*
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* @param[in] card card
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* @param[in] sfid Short file identifier
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* @param[in] ef Date to write
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* @param[in] ef Data to write
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* @param[in] ef_len Length of \a ef
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*
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* @note The appropriate directory must be selected before calling this function.
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@ -1525,6 +1525,19 @@ int iso7816_read_binary_sfid(sc_card_t *card, unsigned char sfid,
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int iso7816_write_binary_sfid(sc_card_t *card, unsigned char sfid,
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u8 *ef, size_t ef_len);
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/**
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* @brief Update a EF by short file identifier.
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*
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* @param[in] card card
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* @param[in] sfid Short file identifier
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* @param[in] ef Data to write
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* @param[in] ef_len Length of \a ef
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*
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* @note The appropriate directory must be selected before calling this function.
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* */
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int iso7816_update_binary_sfid(sc_card_t *card, unsigned char sfid,
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u8 *ef, size_t ef_len);
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/**
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* @brief Set verification status of a specific PIN to “not verified”
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*
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