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optimization UDOL creation. does not affect on functionality.
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44128a0e9a
commit
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1 changed files with 2 additions and 13 deletions
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@ -630,22 +630,11 @@ int CmdHFEMVExec(const char *cmd) {
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return 4;
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}
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size_t udol_data_tlv_data_len;
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unsigned char *udol_data_tlv_data = tlv_encode(udol_data_tlv, &udol_data_tlv_data_len);
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if (!udol_data_tlv_data) {
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PrintAndLog("ERROR: can't create UDOL data.");
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return 4;
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}
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// eliminate fake tag
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udol_data_tlv_data_len -= 2;
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udol_data_tlv_data += 2;
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PrintAndLog("UDOL data[%d]: %s", udol_data_tlv_data_len, sprint_hex(udol_data_tlv_data, udol_data_tlv_data_len));
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PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
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PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)");
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res = MSCComputeCryptoChecksum(true, udol_data_tlv_data, udol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
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res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
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if (res) {
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PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw);
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return 5;
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