From 9fd46c22fee6540321752ccee18a595abb7ea79d Mon Sep 17 00:00:00 2001
From: Pablo Martin <caedes@sindominio.net>
Date: Thu, 12 Dec 2013 11:13:35 +0100
Subject: [PATCH] missing modulo operation.

---
 src/bip32.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bip32.js b/src/bip32.js
index 36a0d2f..55818b1 100644
--- a/src/bip32.js
+++ b/src/bip32.js
@@ -83,7 +83,7 @@ BIP32key.prototype.ckd = function(i) {
 
     if (this.type == 'priv') {
         Ikey = Bitcoin.BigInteger.fromByteArrayUnsigned(I.slice(0,32))
-        newkey = new key(this.key.priv.add(Ikey))
+        newkey = new key(this.key.priv.add(Ikey).mod(ecparams.getN()))
         newkey.compressed = true
         fingerprint = util.sha256ripe160(this.key.getPub()).slice(0,4)
     }