From 99e62191dcb2999a1a39174f917ab130157eaf5b Mon Sep 17 00:00:00 2001
From: Zarmack Tanen <zarmack@gmail.com>
Date: Mon, 7 Sep 2015 15:32:09 +0200
Subject: [PATCH] Fixup for node v0.12.7

---
 lib/jsbn.js | 47 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 40 insertions(+), 7 deletions(-)

diff --git a/lib/jsbn.js b/lib/jsbn.js
index 7f2e624..a073a71 100644
--- a/lib/jsbn.js
+++ b/lib/jsbn.js
@@ -1,6 +1,6 @@
 /*
  * Basic JavaScript BN library - subset useful for RSA encryption.
- * 
+ *
  * Copyright (c) 2003-2005  Tom Wu
  * All Rights Reserved.
  *
@@ -15,9 +15,9 @@
  * The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IN NO EVENT SHALL TOM WU BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
  * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
@@ -32,6 +32,12 @@
  */
 
 /*
+ *
+ * Copyright (c) 2015 Zarmack Tanen
+ * Fixed .toString(16) to be compatible with node >0.12.7 because hexWrite()
+ *       only accepts %2=0 strings
+ *
+ *
  * Added Node.js Buffers support
  * 2014 rzcoder
  */
@@ -112,7 +118,7 @@ function am3(i, x, w, j, c, n) {
     return c;
 }
 
-// We need to select the fastest one that works in this environment. 
+// We need to select the fastest one that works in this environment.
 //if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
 //	BigInteger.prototype.am = am2;
 //	dbits = 30;
@@ -286,8 +292,9 @@ function bnToString(b) {
             if (m) r += int2char(d);
         }
     }
-    if(r.length == 1)
-	r = '0' + r;
+    //! Fix to be compatible with node >0.12.7 Buffer.js
+    if(b == 16 && r.length % 2 != 0)
+	     r = "0" + r;
     return m ? r : "0";
 }
 
@@ -314,6 +321,27 @@ function bnCompareTo(a) {
     return 0;
 }
 
+function bnEqual(a) {
+  console.log(this.compareTo(a));
+  return (this.compareTo(a) == 0) ? true: false;
+}
+
+function bnGreater(a) {
+  return (this.compareTo(a) > 0) ? true : false;
+}
+
+function bnGreaterOrEqual(a) {
+  return (this.compareTo(a) > 0) ? true : false;
+}
+
+function bnLesser(a) {
+  return (this.compareTo(a) < 0) ? true : false;
+}
+
+function bnLesserOrEqual(a) {
+  return (this.compareTo(a) <= 0) ? true : false;
+}
+
 // returns bit length of the integer x
 function nbits(x) {
     var r = 1, t;
@@ -1495,6 +1523,11 @@ BigInteger.prototype.signum = bnSigNum;
 BigInteger.prototype.toByteArray = bnToByteArray;
 BigInteger.prototype.toBuffer = bnToBuffer;
 BigInteger.prototype.equals = bnEquals;
+BigInteger.prototype.eq = bnEqual;
+BigInteger.prototype.gt = bnGreater;
+BigInteger.prototype.gte = bnGreaterOrEqual;
+BigInteger.prototype.lt = bnLesser;
+BigInteger.prototype.lte = bnLesserOrEqual;
 BigInteger.prototype.min = bnMin;
 BigInteger.prototype.max = bnMax;
 BigInteger.prototype.and = bnAnd;