Key client

var https=require('https'),
    crypto=require('crypto'),
    fs=require('fs');
var ip='10.195.0.39';
ip='localhost'; //enable if needed
process.env.NODE_TLS_REJECT_UNAUTHORIZED="0";
var hash;
if(fs.existsSync('store.json')) fs.unlinkSync('store.json');
function send(pPath,pPayload,pOnData) {
    https.request({
        protocol:'https:',
        host:ip,
        port:5500,
        path: pPath,
        method:'POST',
        headers:{
            'Content-Type':'application/octet-stream'
        },
        agent: false
    },pOnData).end(pPayload);
}
send('/key','BINARY_KEY_DATA_32_BYTES_LENGTH_',(res)=>{
    res.on('data',(chunk)=>{
        hash=Buffer.from(chunk); //MUST be converted to buffer
        console.log(hash);
        send('/id',hash);
    });
});