add ECIES example

examples/ECIES.js

@@ -0,0 +1,30 @@
+var run = function() {
+  bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
+
+  console.log('ECIES: Elliptic Curve Integrated Encryption Scheme');
+  console.log('A way of encrypting with a public key and decrypting with a private key.');
+
+  var key = bitcore.Key.generateSync();
+  console.log('Private key: ' + key.private.toString('hex'));
+  console.log('Public key: ' + key.public.toString('hex'));
+
+  var message = new Buffer('This is a message to be encrypted');
+  console.log('Message: "' + message.toString() + '"');
+
+  var encrypted = bitcore.ECIES.encrypt(key.public, message);
+  console.log('Encrypted (with public key): ' + encrypted.toString('hex'));
+
+  var decrypted = bitcore.ECIES.decrypt(key.private, encrypted);
+  console.log('Decrypted (with private key): "' + decrypted.toString() + '"');
+};
+
+
+// This is just for browser & mocha compatibility
+if (typeof module !== 'undefined') {
+  module.exports.run = run;
+  if (require.main === module) {
+    run();
+  }
+} else {
+  run();
+}

test/test.examples.js

@@ -7,6 +7,7 @@ var unmute = require('./mute').unmute;
 
 var examples = [
   'Address',
+  'ECIES',
   'HierarchicalKey',
   'PeerManager',
   'Rpc',