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bitcore-node-zcash
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working towards verifying message sigs

This commit is contained in:
Manuel Araoz 2014-08-01 19:00:52 -03:00
parent fc5daaa988
commit 93a227316e
5 changed files with 30 additions and 410 deletions
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2
app/controllers/socket.js
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@ -13,7 +13,7 @@ module.exports.init = function(io_ext) {
socket.join(topic); socket.join(topic);
}); });
socket.on('message', function(m) { socket.on('message', function(m) {
mdb.addMessage(m.payload, m.from, m.to, function(err) { mdb.addMessage(m, m.from, m.to, function(err) {
if (err) throw err; // TODO: handle if (err) throw err; // TODO: handle
}); });
}); });

392
examples/bitcore-0.1.34.js
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File diff suppressed because one or more lines are too long

1
examples/bitcore.js Symbolic link
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@ -0,0 +1 @@
../node_modules/bitcore/browser/bundle.js

29
examples/messages.html
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@ -46,25 +46,26 @@
</head> </head>
<body> <body>
<h3 id="sin">Generating SIN...</h3> <h3 id="pubkey">Generating public key...</h3>
<ul id="messages"></ul> <ul id="messages"></ul>
<form action=""> <form action="">
<input id="other" placeholder="other SIN" autocomplete="off" /> <input id="other" placeholder="other user's key" autocomplete="off" />
<input id="m" placeholder="Text message..." autocomplete="off" /> <input id="m" placeholder="Text message..." autocomplete="off" />
<button>Send</button> <button>Send</button>
</form> </form>
<script src="http://localhost:3001/socket.io/socket.io.js"></script> <script src="http://localhost:3001/socket.io/socket.io.js"></script>
<script src="http://code.jquery.com/jquery-1.11.1.js"></script> <script src="http://code.jquery.com/jquery-1.11.1.js"></script>
<script src="./bitcore-0.1.34.js"></script> <script src="./bitcore.js"></script>
<script> <script>
$(document).ready(function() $(document).ready(function()
{ {
// load dependencies // load dependencies
var socket = io('http://localhost:3001'); var socket = io('http://localhost:3001');
var bitcore = require('bitcore'); var bitcore = require('bitcore');
var SIN = bitcore.SIN;
var util = bitcore.util; var util = bitcore.util;
var Key = bitcore.Key; var Key = bitcore.Key;
var AuthMessage = bitcore.AuthMessage;
var Buffer = bitcore.Buffer;
// show message // show message
var show = function(msg) { var show = function(msg) {
@ -74,24 +75,20 @@
// generate new identity // generate new identity
var pk = Key.generateSync(); var pk = Key.generateSync();
var sin = SIN.fromPubKey(pk.public).toString('hex'); var pubkey = pk.public.toString('hex');
$('#sin').text('Your SIN: '+sin); $('#pubkey').text('Your key: '+pubkey);
// send chat handler // send chat handler
$('form').submit(function() $('form').submit(function()
{ {
var payload = $('#m').val() var text = $('#m').val()
if (payload.length === 0) { if (text.length === 0) {
return false; return false;
} }
var other = $('#other').val(); var otherPubkey = $('#other').val();
var otherSIN = new SIN(other); var data = AuthMessage.encode(otherPubkey, pk, new Buffer(text));
var data = { data.to = otherPubkey;
payload: payload,
from: sin,
to: other
}
socket.emit('message', data); socket.emit('message', data);
data.from = 'You'; data.from = 'You';
show(data); show(data);
@ -101,7 +98,7 @@
}); });
// receive chat handler // receive chat handler
socket.emit('subscribe', sin); socket.emit('subscribe', pubkey);
socket.on('message', function(msg) socket.on('message', function(msg)
{ {
show(msg); show(msg);

16
lib/MessageDb.js
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@ -10,6 +10,8 @@ var util = require('util');
var EventEmitter = require('events').EventEmitter; var EventEmitter = require('events').EventEmitter;
var sockets = require('../app/controllers/socket.js'); var sockets = require('../app/controllers/socket.js');
var microtime = require('microtime'); var microtime = require('microtime');
var bitcore = require('bitcore');
var AuthMessage = bitcore.AuthMessage;
var MESSAGE_PREFIX = 'msg-'; // msg-<sin1>-<sin2> => <message> var MESSAGE_PREFIX = 'msg-'; // msg-<sin1>-<sin2> => <message>
@ -59,12 +61,24 @@ var messageKey = function(from, to, ts) {
}; };
MessageDb.prototype.addMessage = function(m, from, to, cb) { MessageDb.prototype.addMessage = function(m, from, to, cb) {
console.log('adding message');
if (!this.authenticate(m)) {
cb(new Error('Authentication failed'));
return;
}
var key = messageKey(from, to); var key = messageKey(from, to);
var value = m; var value = m;
this.db.put(key, value, cb); this.db.put(key, value, cb);
}; };
MessageDb.prototype.authenticate = function(m) {
var frompubkey = new Buffer(m.pubkey, 'hex');
var sig = new Buffer(m.sig, 'hex');
var encrypted = new Buffer(m.encrypted, 'hex');
return AuthMessage._verify(frompubkey, sig, encrypted);
};
MessageDb.prototype.getMessages = function(from, to, lower_ts, upper_ts, cb) { MessageDb.prototype.getMessages = function(from, to, lower_ts, upper_ts, cb) {
var list = []; var list = [];
var opts = { var opts = {