Merge pull request #5 from crypto-browserify/bump-bn

bump bn-js

Author: dcousens

index.js

@@ -14,7 +14,7 @@ function crt(msg, priv) {
   var blinds = blind(priv);
   var len = priv.modulus.byteLength();
   var mod = bn.mont(priv.modulus);
-  var blinded = new bn(msg).mul(blinds.blinder).mod(priv.modulus);
+  var blinded = new bn(msg).mul(blinds.blinder).umod(priv.modulus);
   var c1 = blinded.toRed(bn.mont(priv.prime1));
   var c2 = blinded.toRed(bn.mont(priv.prime2));
   var qinv = priv.coefficient;
@@ -24,23 +24,17 @@ function crt(msg, priv) {
   var m2 = c2.redPow(priv.exponent2);
   m1 = m1.fromRed();
   m2 = m2.fromRed();
-  var h = m1.isub(m2).imul(qinv).mod(p);
+  var h = m1.isub(m2).imul(qinv).umod(p);
   h.imul(q);
   m2.iadd(h);
-  var out = new Buffer(m2.imul(blinds.unblinder).mod(priv.modulus).toArray());
-  if (out.length < len) {
-    var prefix = new Buffer(len - out.length);
-    prefix.fill(0);
-    out = Buffer.concat([prefix, out], len);
-  }
-  return out;
+  return new Buffer(m2.imul(blinds.unblinder).umod(priv.modulus).toArray(false, len));
 }
 crt.getr = getr;
 function getr(priv) {
   var len = priv.modulus.byteLength();
   var r = new bn(randomBytes(len));
-  while (r.cmp(priv.modulus) >=  0 || !r.mod(priv.prime1) || !r.mod(priv.prime2)) {
+  while (r.cmp(priv.modulus) >=  0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) {
     r = new bn(randomBytes(len));
   }
   return r;
-}
+}

package.json

@@ -9,7 +9,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "bn.js": "^2.0.0",
+    "bn.js": "^3.0.0",
     "randombytes": "^2.0.1"
   },
   "repository": {