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tcos_decipher: Reformat to improve readability

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Jakub Jelen 2020-06-04 10:17:19 +02:00 committed by Frank Morgner
parent 53395f4075
commit 1819ca33d6
1 changed files with 19 additions and 16 deletions
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11
src/libopensc/card-tcos.c
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@ -632,19 +632,22 @@ static int tcos_decipher(sc_card_t *card, const u8 * crgram, size_t crgram_len,
memcpy(sbuf + 1, crgram, crgram_len);
r = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
LOG_TEST_RET(ctx, r, "APDU transmit failed");
if (apdu.sw1 == 0x90 && apdu.sw2 == 0x00) {
size_t len = (apdu.resplen>outlen) ? outlen : apdu.resplen;
unsigned int offset = 0;
if (tcos3 && (data->pad_flags & SC_ALGORITHM_RSA_PAD_PKCS1) && apdu.resp[0] == 0 && apdu.resp[1] == 2) {
offset=2; while(offset<len && apdu.resp[offset]!=0) ++offset;
offset = 2;
while (offset < len && apdu.resp[offset] != 0)
++offset;
offset = (offset < len - 1) ? offset + 1 : 0;
}
memcpy(out, apdu.resp + offset, len-offset);
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, len-offset);
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_VERBOSE, len - offset);
}
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, sc_check_sw(card, apdu.sw1, apdu.sw2));
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_VERBOSE, sc_check_sw(card, apdu.sw1, apdu.sw2));
}