Topic: [ANN] UBIC:The cryptocurrency providing UBI for the masses using the E-Passport - page 8. (Read 18209 times)

/etc/init.d/ubic stop
cd /usr/local/src/
sudo rm -rf core
sudo git clone https://github.com/UBIC-repo/core.git
sudo chmod 777 -R core
cd /usr/local/src/core
cmake CMakeLists.txt
sudo make install
/etc/init.d/ubic start

std::string Api::readPassport(std::string json) {

[...]

    if(reader->initConnection(bacKeys, sessionKeys)) // open connection with the passport through NFC
    {
        unsigned char fileId[3] = {'\x01', '\x1D', '\0'}; // EF.SOD file identifier

        if(!reader->readFile(fileId, file, &fileSize, sessionKeys)) { // reading out the SOD file (digitally signed file to verify the authenticity of the passport)
            reader->close();
            return "{\"success\": false, \"error\" : \"failed to read SOD file\"}";
        }
        reader->close();

[...]

        ldsParser->getTag((unsigned char*)"\x77")
                ->getContent(sod, &sodSize); // the SOD file is a ASN1 encoded file containing another PKCS7 file. We get this file here
[...]

        PKCS7Parser* pkcs7Parser = new PKCS7Parser((char*)sod, sodSize); // Parsing the PKCS7 file to extract the Document Signing Certificate, the signed hash and the digital signature
[...]

        Address randomWalletAddress = wallet.getRandomAddressFromWallet(); // get a random address from our wallet, this address will receive the UBI

        if(pkcs7Parser->isRSA()) { // if the parsed PKCS7 file contained a RSA certificate
[...]

            NtpRskSignatureVerificationObject *ntpRskSignatureVerificationObject = NtpRsk::signWithNtpRsk(
                    ntpRskSignatureRequestObject
            );

            CDataStream sntpRsk(SER_DISK, 1);
            sntpRsk << *ntpRskSignatureVerificationObject; // serialize the object

            Log(LOG_LEVEL_INFO) << "generated NtpRsk: " << sntpRsk;
            pIScript->setScript((unsigned char *) sntpRsk.data(), (uint16_t) sntpRsk.size());

            pTxIn->setScript(*pIScript); // set the non-transferable proof of signature knowledge as transaction input

        } else {
            // similar to as with RSA but for ECDSA
            [...]
        }

        [...]

        if(txPool.appendTransaction(*registerPassportTx)) { // Broadcast the transaction on the network
            Network &network = Network::Instance();
            network.broadCastTransaction(*registerPassportTx);
            return "{\"success\": true}";
        }

    [...]

}