From f7559d75358aa998ab2cdf71a9cc9181727169b1 Mon Sep 17 00:00:00 2001
From: Mike Hamburg <hamburg@fas.harvard.edu>
Date: Fri, 8 Oct 2010 16:02:09 -0700
Subject: [PATCH] pass lint; work around chromium jit bug

---
 core/bitArray.js    |  5 ++-
 core/bn.js          | 50 +++++++++++++++++-------------
 core/convenience.js |  4 +--
 core/ecc.js         | 75 ++++++++++++++++++++++-----------------------
 sjcl.js             | 63 +++++++++++++++++++------------------
 test/ecdh_test.js   | 15 +++++----
 6 files changed, 110 insertions(+), 102 deletions(-)

diff --git a/core/bitArray.js b/core/bitArray.js
index 03032ab..a6d0617 100644
--- a/core/bitArray.js
+++ b/core/bitArray.js
@@ -50,11 +50,14 @@ sjcl.bitArray = {
    * @return {Number} The requested slice.
    */
   extract: function(a, bstart, blength) {
-    var x, sh = (-bstart-blength) & 31;
+    // FIXME: this Math.floor is not necessary at all, but for some reason
+    // seems to suppress a bug in the Chromium JIT.
+    var x, sh = Math.floor((-bstart-blength) & 31);
     if ((bstart + blength - 1 ^ bstart) & -32) {
       // it crosses a boundary
       x = (a[bstart/32|0] << (32 - sh)) ^ (a[bstart/32+1|0] >>> sh);
     } else {
+      // within a single word
       x = a[bstart/32|0] >>> sh;
     }
     return x & ((1<<blength) - 1);
diff --git a/core/bn.js b/core/bn.js
index 7d5dc31..16978e7 100644
--- a/core/bn.js
+++ b/core/bn.js
@@ -3,7 +3,7 @@
  */
 sjcl.bn = function(it) {
   this.initWith(it);
-}
+};
 
 sjcl.bn.prototype = {
   radix: 24,
@@ -50,7 +50,7 @@ sjcl.bn.prototype = {
    * Equality test is in constant time.
    */
   equals: function(that) {
-    if (typeof that == "number") { that = new this._class(that); }
+    if (typeof that === "number") { that = new this._class(that); }
     var difference = 0, i;
     this.fullReduce();
     that.fullReduce();
@@ -72,14 +72,14 @@ sjcl.bn.prototype = {
    * Returns 1 if this >= that, or zero otherwise.
    */
   greaterEquals: function(that) {
-    if (typeof that == "number") { that = new this._class(that); }
+    if (typeof that === "number") { that = new this._class(that); }
     var less = 0, greater = 0, i, a, b;
     i = Math.max(this.limbs.length, that.limbs.length) - 1;
     for (; i>= 0; i--) {
       a = this.getLimb(i);
       b = that.getLimb(i);
       greater |= (b - a) & ~less;
-      less |= (a - b) & ~greater
+      less |= (a - b) & ~greater;
     }
     return (greater | ~less) >>> 31;
   },
@@ -122,7 +122,9 @@ sjcl.bn.prototype = {
       l[i] = tmp & m;
       carry = tmp >> r;
     }
-    if (carry) l.push(carry);
+    if (carry) {
+      l.push(carry);
+    }
     return this;
   },
   
@@ -134,7 +136,9 @@ sjcl.bn.prototype = {
       l[i] = (tmp+carry)>>1;
       carry = (tmp&1) << r;
     }
-    if (!l[l.length-1]) l.pop();
+    if (!l[l.length-1]) {
+      l.pop();
+    }
     return this;
   },
 
@@ -225,7 +229,7 @@ sjcl.bn.prototype = {
   
   /** this * that.  Normalizes and reduces. */
   mul: function(that) {
-    if (typeof(that) == "number") { that = new this._class(that); }
+    if (typeof(that) === "number") { that = new this._class(that); }
     var i, j, a = this.limbs, b = that.limbs, al = a.length, bl = b.length, out = new this._class(), c = out.limbs, ai, ii=this.maxMul;
 
     for (i=0; i < this.limbs.length + that.limbs.length + 1; i++) {
@@ -252,12 +256,12 @@ sjcl.bn.prototype = {
 
   /** this ^ n.  Uses square-and-multiply.  Normalizes and reduces. */
   power: function(l) {
-    if (typeof(l) == "number") {
+    if (typeof(l) === "number") {
       l = [l];
     } else if (l.limbs !== undefined) {
       l = l.normalize().limbs;
     }
-    var j, out = new this._class(1), pow = this;
+    var i, j, out = new this._class(1), pow = this;
 
     for (i=0; i<l.length; i++) {
       for (j=0; j<this.radix; j++) {
@@ -273,7 +277,9 @@ sjcl.bn.prototype = {
 
   trim: function() {
     var l = this.limbs, p;
-    do { p = l.pop() } while (l.length && p == 0);
+    do {
+      p = l.pop();
+    } while (l.length && p === 0);
     l.push(p);
     return this;
   },
@@ -296,7 +302,7 @@ sjcl.bn.prototype = {
       m = limbs[i] = l & mask;
       carry = (l-m)*ipv;
     }
-    if (carry == -1) {
+    if (carry === -1) {
       limbs[i-1] -= this.placeVal;
     }
     return this;
@@ -329,8 +335,8 @@ sjcl.bn.prototype = {
   /** Return the length in bits, rounded up to the nearest byte. */
   bitLength: function() {
     this.fullReduce();
-    var out = this.radix * (this.limbs.length - 1);
-    var b = this.limbs[this.limbs.length - 1];
+    var out = this.radix * (this.limbs.length - 1),
+        b = this.limbs[this.limbs.length - 1];
     for (; b; b >>= 1) {
       out ++;
     }
@@ -339,7 +345,7 @@ sjcl.bn.prototype = {
 };
 
 sjcl.bn.fromBits = function(bits) {
-  var out = new this(), words=[], w=sjcl.bitArray, t = this.prototype,
+  var Class = this, out = new Class(), words=[], w=sjcl.bitArray, t = this.prototype,
       l = Math.min(this.bitLength || 0x100000000, w.bitLength(bits)), e = l % t.radix || t.radix;
   
   words[0] = w.extract(bits, 0, e);
@@ -353,7 +359,7 @@ sjcl.bn.fromBits = function(bits) {
 
 
 
-sjcl.bn.prototype.ipv = 1 / (sjcl.bn.prototype.placeVal = Math.pow(2,sjcl.bn.prototype.radix))
+sjcl.bn.prototype.ipv = 1 / (sjcl.bn.prototype.placeVal = Math.pow(2,sjcl.bn.prototype.radix));
 sjcl.bn.prototype.radixMask = (1 << sjcl.bn.prototype.radix) - 1;
 
 /**
@@ -405,7 +411,7 @@ sjcl.bn.pseudoMersennePrime = function(exponent, coeff) {
       }
       
       i--;
-      if (i == 0) {
+      if (!i) {
         limbs.push(0);
         this.cnormalize();
         i = this.minOffset;
@@ -416,10 +422,10 @@ sjcl.bn.pseudoMersennePrime = function(exponent, coeff) {
     return this;
   };
   
-  ppr._strongReduce = (ppr.fullMask == -1) ? ppr.reduce : function() {
-    var limbs = this.limbs, i = limbs.length - 1, l;
+  ppr._strongReduce = (ppr.fullMask === -1) ? ppr.reduce : function() {
+    var limbs = this.limbs, i = limbs.length - 1, k, l;
     this.reduce();
-    if (i == this.modOffset - 1) {
+    if (i === this.modOffset - 1) {
       l = limbs[i] & this.fullMask;
       limbs[i] -= l;
       for (k=0; k<this.fullOffset.length; k++) {
@@ -468,7 +474,7 @@ sjcl.bn.pseudoMersennePrime = function(exponent, coeff) {
   p.fromBits = sjcl.bn.fromBits;
 
   return p;
-}
+};
 
 // a small Mersenne prime
 sjcl.bn.prime = {
@@ -486,14 +492,14 @@ sjcl.bn.prime = {
 };
 
 sjcl.bn.random = function(modulus, paranoia) {
-  if (typeof modulus != "object") { modulus = new sjcl.bn(modulus); }
+  if (typeof modulus !== "object") { modulus = new sjcl.bn(modulus); }
   var words, i, l = modulus.limbs.length, m = modulus.limbs[l-1]+1, out = new sjcl.bn();
   while (true) {
     // get a sequence whose first digits make sense
     do {
       words = sjcl.random.randomWords(l, paranoia);
       if (words[l-1] < 0) { words[l-1] += 0x100000000; }
-    } while (Math.floor(words[l-1] / m) == Math.floor(0x100000000 / m));
+    } while (Math.floor(words[l-1] / m) === Math.floor(0x100000000 / m));
     words[l-1] %= m;
 
     // mask off all the limbs
diff --git a/core/convenience.js b/core/convenience.js
index 8fa7a45..d867cbc 100644
--- a/core/convenience.js
+++ b/core/convenience.js
@@ -59,7 +59,7 @@
     p.ct = sjcl.mode[p.mode].encrypt(prp, plaintext, p.iv, p.adata, p.tag);
     
     //return j.encode(j._subtract(p, j.defaults));
-		return j.encode(p);
+    return j.encode(p);
   },
   
   /** Simple decryption function.
@@ -208,7 +208,7 @@
     
     return out;
   },
-	*/
+  */
   
   /** Return only the specified elements of src.
    * @private
diff --git a/core/ecc.js b/core/ecc.js
index f392608..8d02f02 100644
--- a/core/ecc.js
+++ b/core/ecc.js
@@ -92,7 +92,7 @@ sjcl.ecc.pointJac.prototype = {
    * @return {sjcl.ecc.pointJac} The sum of the two points, in Jacobian coordinates. 
    */
   add: function(T) {
-    var S = this;
+    var S = this, sz2, c, d, c2, x1, x2, x, y1, y2, y, z;
     if (S.curve !== T.curve) {
       throw("sjcl.ecc.add(): Points must be on the same curve to add them!");
     }
@@ -103,38 +103,33 @@ sjcl.ecc.pointJac.prototype = {
       return S;
     }
 
-    var
-      sz2 = S.z.square(),
-      c = T.x.mul(sz2).subM(S.x);
+    sz2 = S.z.square();
+    c = T.x.mul(sz2).subM(S.x);
 
     if (c.equals(0)) {
       if (S.y.equals(T.y.mul(sz2.mul(S.z)))) {
         // same point
         return S.doubl();
       } else {
-	// inverses
+        // inverses
         return new sjcl.ecc.pointJac(S.curve);
       }
     }
+    
+    d = T.y.mul(sz2.mul(S.z)).subM(S.y);
+    c2 = c.square();
 
-    var
-      d = T.y.mul(sz2.mul(S.z)).subM(S.y),
-      c2 = c.square(),
-
-      x1 = d.square(),
-      x2 = c.square().mul(c).addM( S.x.add(S.x).mul(c2) ),
-      x  = x1.subM(x2),
+    x1 = d.square();
+    x2 = c.square().mul(c).addM( S.x.add(S.x).mul(c2) );
+    x  = x1.subM(x2);
 
-      y1 = S.x.mul(c2).subM(x).mul(d),
-      y2 = S.y.mul(c.square().mul(c)),
-      y  = y1.subM(y2),
+    y1 = S.x.mul(c2).subM(x).mul(d);
+    y2 = S.y.mul(c.square().mul(c));
+    y  = y1.subM(y2);
 
-      z  = S.z.mul(c);
+    z  = S.z.mul(c);
 
-    //return new sjcl.ecc.pointJac(this.curve,x,y,z);
-    var U = new sjcl.ecc.pointJac(this.curve,x,y,z);
-    if (!U.isValid()) { throw "FOOOOOOOO"; }
-    return U;
+    return new sjcl.ecc.pointJac(this.curve,x,y,z);
   },
   
   /**
@@ -175,7 +170,7 @@ sjcl.ecc.pointJac.prototype = {
    * @return {sjcl.ecc.pointJac} The result of the multiplication, in Jacobian coordinates.
    */
   mult: function(k, affine) {
-    if (typeof(k) == "number") {
+    if (typeof(k) === "number") {
       k = [k];
     } else if (k.limbs !== undefined) {
       k = k.normalize().limbs;
@@ -201,13 +196,13 @@ sjcl.ecc.pointJac.prototype = {
    * @return {sjcl.ecc.pointJac} The result of the multiplication and addition, in Jacobian coordinates.
    */
   mult2: function(k1, affine, k2, affine2) {
-    if (typeof(k1) == "number") {
+    if (typeof(k1) === "number") {
       k1 = [k1];
     } else if (k1.limbs !== undefined) {
       k1 = k1.normalize().limbs;
     }
     
-    if (typeof(k2) == "number") {
+    if (typeof(k2) === "number") {
       k2 = [k2];
     } else if (k2.limbs !== undefined) {
       k2 = k2.normalize().limbs;
@@ -245,18 +240,18 @@ sjcl.ecc.pointJac.prototype = {
  * @param {bigInt} x The x coordinate of a base point of the curve.
  * @param {bigInt} y The y coordinate of a base point of the curve.
  */
-sjcl.ecc.curve = function(field, r, a, b, x, y) {
-  this.field = field;
-  this.r = field.prototype.modulus.sub(r);
-  this.a = new field(a);
-  this.b = new field(b);
-  this.G = new sjcl.ecc.point(this, new field(x), new field(y));
+sjcl.ecc.curve = function(Field, r, a, b, x, y) {
+  this.field = Field;
+  this.r = Field.prototype.modulus.sub(r);
+  this.a = new Field(a);
+  this.b = new Field(b);
+  this.G = new sjcl.ecc.point(this, new Field(x), new Field(y));
 };
 
 sjcl.ecc.curve.prototype.fromBits = function (bits) {
-  var w = sjcl.bitArray, l = this.field.prototype.exponent + 7 & -8;
-  p = new sjcl.ecc.point(this, this.field.fromBits(w.bitSlice(bits, 0, l)),
-                         this.field.fromBits(w.bitSlice(bits, l, 2*l)));
+  var w = sjcl.bitArray, l = this.field.prototype.exponent + 7 & -8,
+      p = new sjcl.ecc.point(this, this.field.fromBits(w.bitSlice(bits, 0, l)),
+                             this.field.fromBits(w.bitSlice(bits, l, 2*l)));
   if (!p.isValid()) {
     throw new sjcl.exception.corrupt("not on the curve!");
   }
@@ -316,7 +311,10 @@ sjcl.ecc._dh = function(cn) {
     },
 
     generateKeys: function(curve, paranoia) {
-      if (typeof curve == "number") {
+      if (curve === undefined) {
+        curve = 256;
+      }
+      if (typeof curve === "number") {
         curve = sjcl.ecc.curves['c'+curve];
         if (curve === undefined) {
           throw new sjcl.exception.invalid("no such curve");
@@ -352,9 +350,9 @@ sjcl.ecc.ecdsa.secretKey.prototype = {
   sign: function(hash, paranoia) {
     var R = this._curve.r,
         l = R.bitLength(),
-        k = kkkk = sjcl.bn.random(R.sub(1), paranoia).add(1),
+        k = sjcl.bn.random(R.sub(1), paranoia).add(1),
         r = this._curve.G.mult(k).x.mod(R),
-        s = sjcl.bn.fromBits(hash).add(r.mul(this._exponent)).inverseMod(R).mul(kkkk).mod(R);
+        s = sjcl.bn.fromBits(hash).add(r.mul(this._exponent)).inverseMod(R).mul(k).mod(R);
     return sjcl.bitArray.concat(r.toBits(l), s.toBits(l));
   }
 };
@@ -368,12 +366,11 @@ sjcl.ecc.ecdsa.publicKey.prototype = {
         s = sjcl.bn.fromBits(w.bitSlice(rs,l,2*l)),
         hG = sjcl.bn.fromBits(hash).mul(s).mod(R),
         hA = r.mul(s).mod(R),
-        r2 = this._curve.G.mult2(hG, hA, this._point).x,
-        corrupt = sjcl.exception.corrupt;
+        r2 = this._curve.G.mult2(hG, hA, this._point).x;
         
     if (r.equals(0) || s.equals(0) || r.greaterEquals(R) || s.greaterEquals(R) || !r2.equals(r)) {
-      throw (new corrupt("signature didn't check out"));
+      throw (new sjcl.exception.corrupt("signature didn't check out"));
     }
     return true;
   }
-}
+};
diff --git a/sjcl.js b/sjcl.js
index 239515b..77abfde 100644
--- a/sjcl.js
+++ b/sjcl.js
@@ -1,28 +1,28 @@
 "use strict";var sjcl={cipher:{},hash:{},mode:{},misc:{},codec:{},exception:{corrupt:function(a){this.toString=function(){return"CORRUPT: "+this.message};this.message=a},invalid:function(a){this.toString=function(){return"INVALID: "+this.message};this.message=a},bug:function(a){this.toString=function(){return"BUG: "+this.message};this.message=a},notReady:function(a){this.toString=function(){return"GENERATOR NOT READY: "+this.message};this.message=a}}};
 sjcl.cipher.aes=function(a){this.l[0][0][0]||this.F();var b,c,d,e,f=this.l[0][4],g=this.l[1];b=a.length;var h=1;if(b!==4&&b!==6&&b!==8)throw new sjcl.exception.invalid("invalid aes key size");this.c=[d=a.slice(0),e=[]];for(a=b;a<4*b+28;a++){c=d[a-1];if(a%b===0||b===8&&a%b===4){c=f[c>>>24]<<24^f[c>>16&255]<<16^f[c>>8&255]<<8^f[c&255];if(a%b===0){c=c<<8^c>>>24^h<<24;h=h<<1^(h>>7)*283}}d[a]=d[a-b]^c}for(b=0;a;b++,a--){c=d[b&3?a:a-4];e[b]=a<=4||b<4?c:g[0][f[c>>>24]]^g[1][f[c>>16&255]]^g[2][f[c>>8&255]]^
 g[3][f[c&255]]}};
-sjcl.cipher.aes.prototype={encrypt:function(a){return this.O(a,0)},decrypt:function(a){return this.O(a,1)},l:[[[],[],[],[],[]],[[],[],[],[],[]]],F:function(){var a=this.l[0],b=this.l[1],c=a[4],d=b[4],e,f,g,h=[],j=[],n,l,m,o;for(e=0;e<0x100;e++)j[(h[e]=e<<1^(e>>7)*283)^e]=e;for(f=g=0;!c[f];f^=n||1,g=j[g]||1){m=g^g<<1^g<<2^g<<3^g<<4;m=m>>8^m&255^99;c[f]=m;d[m]=f;l=h[e=h[n=h[f]]];o=l*0x1010101^e*0x10001^n*0x101^f*0x1010100;l=h[m]*0x101^m*0x1010100;for(e=0;e<4;e++){a[e][f]=l=l<<24^l>>>8;b[e][m]=o=o<<24^o>>>8}}for(e=
-0;e<5;e++){a[e]=a[e].slice(0);b[e]=b[e].slice(0)}},O:function(a,b){if(a.length!==4)throw new sjcl.exception.invalid("invalid aes block size");var c=this.c[b],d=a[0]^c[0],e=a[b?3:1]^c[1],f=a[2]^c[2];a=a[b?1:3]^c[3];var g,h,j,n=c.length/4-2,l,m=4,o=[0,0,0,0];g=this.l[b];var q=g[0],r=g[1],s=g[2],t=g[3],u=g[4];for(l=0;l<n;l++){g=q[d>>>24]^r[e>>16&255]^s[f>>8&255]^t[a&255]^c[m];h=q[e>>>24]^r[f>>16&255]^s[a>>8&255]^t[d&255]^c[m+1];j=q[f>>>24]^r[a>>16&255]^s[d>>8&255]^t[e&255]^c[m+2];a=q[a>>>24]^r[d>>16&
-255]^s[e>>8&255]^t[f&255]^c[m+3];m+=4;d=g;e=h;f=j}for(l=0;l<4;l++){o[b?3&-l:l]=u[d>>>24]<<24^u[e>>16&255]<<16^u[f>>8&255]<<8^u[a&255]^c[m++];g=d;d=e;e=f;f=a;a=g}return o}};
-sjcl.bitArray={bitSlice:function(a,b,c){a=sjcl.bitArray.$(a.slice(b/32),32-(b&31)).slice(1);return c===undefined?a:sjcl.bitArray.clamp(a,c-b)},extract:function(a,b,c){var d=-b-c&31;return((b+c-1^b)&-32?a[b/32|0]<<32-d^a[b/32+1|0]>>>d:a[b/32|0]>>>d)&(1<<c)-1},concat:function(a,b){if(a.length===0||b.length===0)return a.concat(b);var c=a[a.length-1],d=sjcl.bitArray.getPartial(c);return d===32?a.concat(b):sjcl.bitArray.$(b,d,c|0,a.slice(0,a.length-1))},bitLength:function(a){var b=a.length;if(b===0)return 0;
-return(b-1)*32+sjcl.bitArray.getPartial(a[b-1])},clamp:function(a,b){if(a.length*32<b)return a;a=a.slice(0,Math.ceil(b/32));var c=a.length;b&=31;if(c>0&&b)a[c-1]=sjcl.bitArray.partial(b,a[c-1]&2147483648>>b-1,1);return a},partial:function(a,b,c){if(a===32)return b;return(c?b|0:b<<32-a)+a*0x10000000000},getPartial:function(a){return Math.round(a/0x10000000000)||32},equal:function(a,b){if(sjcl.bitArray.bitLength(a)!==sjcl.bitArray.bitLength(b))return false;var c=0,d;for(d=0;d<a.length;d++)c|=a[d]^b[d];
-return c===0},$:function(a,b,c,d){var e;e=0;if(d===undefined)d=[];for(;b>=32;b-=32){d.push(c);c=0}if(b===0)return d.concat(a);for(e=0;e<a.length;e++){d.push(c|a[e]>>>b);c=a[e]<<32-b}e=a.length?a[a.length-1]:0;a=sjcl.bitArray.getPartial(e);d.push(sjcl.bitArray.partial(b+a&31,b+a>32?c:d.pop(),1));return d},o:function(a,b){return[a[0]^b[0],a[1]^b[1],a[2]^b[2],a[3]^b[3]]}};
+sjcl.cipher.aes.prototype={encrypt:function(a){return this.O(a,0)},decrypt:function(a){return this.O(a,1)},l:[[[],[],[],[],[]],[[],[],[],[],[]]],F:function(){var a=this.l[0],b=this.l[1],c=a[4],d=b[4],e,f,g,h=[],i=[],j,k,l,m;for(e=0;e<0x100;e++)i[(h[e]=e<<1^(e>>7)*283)^e]=e;for(f=g=0;!c[f];f^=j||1,g=i[g]||1){l=g^g<<1^g<<2^g<<3^g<<4;l=l>>8^l&255^99;c[f]=l;d[l]=f;k=h[e=h[j=h[f]]];m=k*0x1010101^e*0x10001^j*0x101^f*0x1010100;k=h[l]*0x101^l*0x1010100;for(e=0;e<4;e++){a[e][f]=k=k<<24^k>>>8;b[e][l]=m=m<<24^m>>>8}}for(e=
+0;e<5;e++){a[e]=a[e].slice(0);b[e]=b[e].slice(0)}},O:function(a,b){if(a.length!==4)throw new sjcl.exception.invalid("invalid aes block size");var c=this.c[b],d=a[0]^c[0],e=a[b?3:1]^c[1],f=a[2]^c[2];a=a[b?1:3]^c[3];var g,h,i,j=c.length/4-2,k,l=4,m=[0,0,0,0];g=this.l[b];var n=g[0],o=g[1],p=g[2],q=g[3],r=g[4];for(k=0;k<j;k++){g=n[d>>>24]^o[e>>16&255]^p[f>>8&255]^q[a&255]^c[l];h=n[e>>>24]^o[f>>16&255]^p[a>>8&255]^q[d&255]^c[l+1];i=n[f>>>24]^o[a>>16&255]^p[d>>8&255]^q[e&255]^c[l+2];a=n[a>>>24]^o[d>>16&
+255]^p[e>>8&255]^q[f&255]^c[l+3];l+=4;d=g;e=h;f=i}for(k=0;k<4;k++){m[b?3&-k:k]=r[d>>>24]<<24^r[e>>16&255]<<16^r[f>>8&255]<<8^r[a&255]^c[l++];g=d;d=e;e=f;f=a;a=g}return m}};
+sjcl.bitArray={bitSlice:function(a,b,c){a=sjcl.bitArray.$(a.slice(b/32),32-(b&31)).slice(1);return c===undefined?a:sjcl.bitArray.clamp(a,c-b)},extract:function(a,b,c){var d=Math.floor(-b-c&31);return((b+c-1^b)&-32?a[b/32|0]<<32-d^a[b/32+1|0]>>>d:a[b/32|0]>>>d)&(1<<c)-1},concat:function(a,b){if(a.length===0||b.length===0)return a.concat(b);var c=a[a.length-1],d=sjcl.bitArray.getPartial(c);return d===32?a.concat(b):sjcl.bitArray.$(b,d,c|0,a.slice(0,a.length-1))},bitLength:function(a){var b=a.length;
+if(b===0)return 0;return(b-1)*32+sjcl.bitArray.getPartial(a[b-1])},clamp:function(a,b){if(a.length*32<b)return a;a=a.slice(0,Math.ceil(b/32));var c=a.length;b&=31;if(c>0&&b)a[c-1]=sjcl.bitArray.partial(b,a[c-1]&2147483648>>b-1,1);return a},partial:function(a,b,c){if(a===32)return b;return(c?b|0:b<<32-a)+a*0x10000000000},getPartial:function(a){return Math.round(a/0x10000000000)||32},equal:function(a,b){if(sjcl.bitArray.bitLength(a)!==sjcl.bitArray.bitLength(b))return false;var c=0,d;for(d=0;d<a.length;d++)c|=
+a[d]^b[d];return c===0},$:function(a,b,c,d){var e;e=0;if(d===undefined)d=[];for(;b>=32;b-=32){d.push(c);c=0}if(b===0)return d.concat(a);for(e=0;e<a.length;e++){d.push(c|a[e]>>>b);c=a[e]<<32-b}e=a.length?a[a.length-1]:0;a=sjcl.bitArray.getPartial(e);d.push(sjcl.bitArray.partial(b+a&31,b+a>32?c:d.pop(),1));return d},o:function(a,b){return[a[0]^b[0],a[1]^b[1],a[2]^b[2],a[3]^b[3]]}};
 sjcl.codec.utf8String={fromBits:function(a){var b="",c=sjcl.bitArray.bitLength(a),d,e;for(d=0;d<c/8;d++){if((d&3)===0)e=a[d/4];b+=String.fromCharCode(e>>>24);e<<=8}return decodeURIComponent(escape(b))},toBits:function(a){a=unescape(encodeURIComponent(a));var b=[],c,d=0;for(c=0;c<a.length;c++){d=d<<8|a.charCodeAt(c);if((c&3)===3){b.push(d);d=0}}c&3&&b.push(sjcl.bitArray.partial(8*(c&3),d));return b}};
 sjcl.codec.hex={fromBits:function(a){var b="",c;for(c=0;c<a.length;c++)b+=((a[c]|0)+0xf00000000000).toString(16).substr(4);return b.substr(0,sjcl.bitArray.bitLength(a)/4)},toBits:function(a){var b,c=[],d;a=a.replace(/\s|0x/g,"");d=a.length;a+="00000000";for(b=0;b<a.length;b+=8)c.push(parseInt(a.substr(b,8),16)^0);return sjcl.bitArray.clamp(c,d*4)}};
 sjcl.codec.base64={L:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",fromBits:function(a,b){var c="",d,e=0,f=sjcl.codec.base64.L,g=0,h=sjcl.bitArray.bitLength(a);for(d=0;c.length*6<h;){c+=f.charAt((g^a[d]>>>e)>>>26);if(e<6){g=a[d]<<6-e;e+=26;d++}else{g<<=6;e-=6}}for(;c.length&3&&!b;)c+="=";return c},toBits:function(a){a=a.replace(/\s|=/g,"");var b=[],c,d=0,e=sjcl.codec.base64.L,f=0,g;for(c=0;c<a.length;c++){g=e.indexOf(a.charAt(c));if(g<0)throw new sjcl.exception.invalid("this isn't base64!");
 if(d>26){d-=26;b.push(f^g>>>d);f=g<<32-d}else{d+=6;f^=g<<32-d}}d&56&&b.push(sjcl.bitArray.partial(d&56,f,1));return b}};sjcl.hash.sha256=function(a){this.c[0]||this.F();if(a){this.s=a.s.slice(0);this.m=a.m.slice(0);this.i=a.i}else this.reset()};sjcl.hash.sha256.hash=function(a){return(new sjcl.hash.sha256).update(a).finalize()};
 sjcl.hash.sha256.prototype={blockSize:512,reset:function(){this.s=this.W.slice(0);this.m=[];this.i=0;return this},update:function(a){if(typeof a==="string")a=sjcl.codec.utf8String.toBits(a);var b,c=this.m=sjcl.bitArray.concat(this.m,a);b=this.i;a=this.i=b+sjcl.bitArray.bitLength(a);for(b=512+b&-512;b<=a;b+=512)this.K(c.splice(0,16));return this},finalize:function(){var a,b=this.m,c=this.s;b=sjcl.bitArray.concat(b,[sjcl.bitArray.partial(1,1)]);for(a=b.length+2;a&15;a++)b.push(0);b.push(Math.floor(this.i/
-4294967296));for(b.push(this.i|0);b.length;)this.K(b.splice(0,16));this.reset();return c},W:[],c:[],F:function(){function a(e){return(e-Math.floor(e))*0x100000000|0}var b=0,c=2,d;a:for(;b<64;c++){for(d=2;d*d<=c;d++)if(c%d===0)continue a;if(b<8)this.W[b]=a(Math.pow(c,0.5));this.c[b]=a(Math.pow(c,1/3));b++}},K:function(a){var b,c,d=a.slice(0),e=this.s,f=this.c,g=e[0],h=e[1],j=e[2],n=e[3],l=e[4],m=e[5],o=e[6],q=e[7];for(a=0;a<64;a++){if(a<16)b=d[a];else{b=d[a+1&15];c=d[a+14&15];b=d[a&15]=(b>>>7^b>>>18^
-b>>>3^b<<25^b<<14)+(c>>>17^c>>>19^c>>>10^c<<15^c<<13)+d[a&15]+d[a+9&15]|0}b=b+q+(l>>>6^l>>>11^l>>>25^l<<26^l<<21^l<<7)+(o^l&(m^o))+f[a];q=o;o=m;m=l;l=n+b|0;n=j;j=h;h=g;g=b+(h&j^n&(h^j))+(h>>>2^h>>>13^h>>>22^h<<30^h<<19^h<<10)|0}e[0]=e[0]+g|0;e[1]=e[1]+h|0;e[2]=e[2]+j|0;e[3]=e[3]+n|0;e[4]=e[4]+l|0;e[5]=e[5]+m|0;e[6]=e[6]+o|0;e[7]=e[7]+q|0}};
-sjcl.mode.ccm={name:"ccm",encrypt:function(a,b,c,d,e){var f,g=b.slice(0),h=sjcl.bitArray,j=h.bitLength(c)/8,n=h.bitLength(g)/8;e=e||64;d=d||[];if(j<7)throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes");for(f=2;f<4&&n>>>8*f;f++);if(f<15-j)f=15-j;c=h.clamp(c,8*(15-f));b=sjcl.mode.ccm.N(a,b,c,d,e,f);g=sjcl.mode.ccm.P(a,g,c,b,e,f);return h.concat(g.data,g.tag)},decrypt:function(a,b,c,d,e){e=e||64;d=d||[];var f=sjcl.bitArray,g=f.bitLength(c)/8,h=f.bitLength(b),j=f.clamp(b,h-e),n=f.bitSlice(b,
-h-e);h=(h-e)/8;if(g<7)throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes");for(b=2;b<4&&h>>>8*b;b++);if(b<15-g)b=15-g;c=f.clamp(c,8*(15-b));j=sjcl.mode.ccm.P(a,j,c,n,e,b);a=sjcl.mode.ccm.N(a,j.data,c,d,e,b);if(!f.equal(j.tag,a))throw new sjcl.exception.corrupt("ccm: tag doesn't match");return j.data},N:function(a,b,c,d,e,f){var g=[],h=sjcl.bitArray,j=h.o;e/=8;if(e%2||e<4||e>16)throw new sjcl.exception.invalid("ccm: invalid tag length");if(d.length>0xffffffff||b.length>0xffffffff)throw new sjcl.exception.bug("ccm: can't deal with 4GiB or more data");
-f=[h.partial(8,(d.length?64:0)|e-2<<2|f-1)];f=h.concat(f,c);f[3]|=h.bitLength(b)/8;f=a.encrypt(f);if(d.length){c=h.bitLength(d)/8;if(c<=65279)g=[h.partial(16,c)];else if(c<=0xffffffff)g=h.concat([h.partial(16,65534)],[c]);g=h.concat(g,d);for(d=0;d<g.length;d+=4)f=a.encrypt(j(f,g.slice(d,d+4)))}for(d=0;d<b.length;d+=4)f=a.encrypt(j(f,b.slice(d,d+4)));return h.clamp(f,e*8)},P:function(a,b,c,d,e,f){var g,h=sjcl.bitArray;g=h.o;var j=b.length,n=h.bitLength(b);c=h.concat([h.partial(8,f-1)],c).concat([0,
-0,0]).slice(0,4);d=h.bitSlice(g(d,a.encrypt(c)),0,e);if(!j)return{tag:d,data:[]};for(g=0;g<j;g+=4){c[3]++;e=a.encrypt(c);b[g]^=e[0];b[g+1]^=e[1];b[g+2]^=e[2];b[g+3]^=e[3]}return{tag:d,data:h.clamp(b,n)}}};
-sjcl.mode.ocb2={name:"ocb2",encrypt:function(a,b,c,d,e,f){if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("ocb iv must be 128 bits");var g,h=sjcl.mode.ocb2.I,j=sjcl.bitArray,n=j.o,l=[0,0,0,0];c=h(a.encrypt(c));var m,o=[];d=d||[];e=e||64;for(g=0;g+4<b.length;g+=4){m=b.slice(g,g+4);l=n(l,m);m=n(c,a.encrypt(n(c,m)));o.splice(g,0,m[0],m[1],m[2],m[3]);c=h(c)}m=b.slice(g);b=j.bitLength(m);g=a.encrypt(n(c,[0,0,0,b]));m=j.clamp(n(m,g),b);l=n(l,n(m,g));l=a.encrypt(n(l,n(c,h(c))));if(d.length)l=
-n(l,f?d:sjcl.mode.ocb2.pmac(a,d));return o.concat(j.concat(m,j.clamp(l,e)))},decrypt:function(a,b,c,d,e,f){if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("ocb iv must be 128 bits");e=e||64;var g=sjcl.mode.ocb2.I,h=sjcl.bitArray,j=h.o,n=[0,0,0,0],l=g(a.encrypt(c)),m,o,q=sjcl.bitArray.bitLength(b)-e,r=[];d=d||[];for(c=0;c+4<q/32;c+=4){m=j(l,a.decrypt(j(l,b.slice(c,c+4))));n=j(n,m);r.splice(c,0,m[0],m[1],m[2],m[3]);l=g(l)}o=q-c*32;m=a.encrypt(j(l,[0,0,0,o]));m=j(m,h.clamp(b.slice(c),
-o));n=j(n,m);n=a.encrypt(j(n,j(l,g(l))));if(d.length)n=j(n,f?d:sjcl.mode.ocb2.pmac(a,d));if(!h.equal(h.clamp(n,e),h.bitSlice(b,q)))throw new sjcl.exception.corrupt("ocb: tag doesn't match");return r.concat(h.clamp(m,o))},pmac:function(a,b){var c,d=sjcl.mode.ocb2.I,e=sjcl.bitArray,f=e.o,g=[0,0,0,0],h=a.encrypt([0,0,0,0]);h=f(h,d(d(h)));for(c=0;c+4<b.length;c+=4){h=d(h);g=f(g,a.encrypt(f(h,b.slice(c,c+4))))}b=b.slice(c);if(e.bitLength(b)<128){h=f(h,d(h));b=e.concat(b,[2147483648|0])}g=f(g,b);return a.encrypt(f(d(f(h,
+4294967296));for(b.push(this.i|0);b.length;)this.K(b.splice(0,16));this.reset();return c},W:[],c:[],F:function(){function a(e){return(e-Math.floor(e))*0x100000000|0}var b=0,c=2,d;a:for(;b<64;c++){for(d=2;d*d<=c;d++)if(c%d===0)continue a;if(b<8)this.W[b]=a(Math.pow(c,0.5));this.c[b]=a(Math.pow(c,1/3));b++}},K:function(a){var b,c,d=a.slice(0),e=this.s,f=this.c,g=e[0],h=e[1],i=e[2],j=e[3],k=e[4],l=e[5],m=e[6],n=e[7];for(a=0;a<64;a++){if(a<16)b=d[a];else{b=d[a+1&15];c=d[a+14&15];b=d[a&15]=(b>>>7^b>>>18^
+b>>>3^b<<25^b<<14)+(c>>>17^c>>>19^c>>>10^c<<15^c<<13)+d[a&15]+d[a+9&15]|0}b=b+n+(k>>>6^k>>>11^k>>>25^k<<26^k<<21^k<<7)+(m^k&(l^m))+f[a];n=m;m=l;l=k;k=j+b|0;j=i;i=h;h=g;g=b+(h&i^j&(h^i))+(h>>>2^h>>>13^h>>>22^h<<30^h<<19^h<<10)|0}e[0]=e[0]+g|0;e[1]=e[1]+h|0;e[2]=e[2]+i|0;e[3]=e[3]+j|0;e[4]=e[4]+k|0;e[5]=e[5]+l|0;e[6]=e[6]+m|0;e[7]=e[7]+n|0}};
+sjcl.mode.ccm={name:"ccm",encrypt:function(a,b,c,d,e){var f,g=b.slice(0),h=sjcl.bitArray,i=h.bitLength(c)/8,j=h.bitLength(g)/8;e=e||64;d=d||[];if(i<7)throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes");for(f=2;f<4&&j>>>8*f;f++);if(f<15-i)f=15-i;c=h.clamp(c,8*(15-f));b=sjcl.mode.ccm.N(a,b,c,d,e,f);g=sjcl.mode.ccm.P(a,g,c,b,e,f);return h.concat(g.data,g.tag)},decrypt:function(a,b,c,d,e){e=e||64;d=d||[];var f=sjcl.bitArray,g=f.bitLength(c)/8,h=f.bitLength(b),i=f.clamp(b,h-e),j=f.bitSlice(b,
+h-e);h=(h-e)/8;if(g<7)throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes");for(b=2;b<4&&h>>>8*b;b++);if(b<15-g)b=15-g;c=f.clamp(c,8*(15-b));i=sjcl.mode.ccm.P(a,i,c,j,e,b);a=sjcl.mode.ccm.N(a,i.data,c,d,e,b);if(!f.equal(i.tag,a))throw new sjcl.exception.corrupt("ccm: tag doesn't match");return i.data},N:function(a,b,c,d,e,f){var g=[],h=sjcl.bitArray,i=h.o;e/=8;if(e%2||e<4||e>16)throw new sjcl.exception.invalid("ccm: invalid tag length");if(d.length>0xffffffff||b.length>0xffffffff)throw new sjcl.exception.bug("ccm: can't deal with 4GiB or more data");
+f=[h.partial(8,(d.length?64:0)|e-2<<2|f-1)];f=h.concat(f,c);f[3]|=h.bitLength(b)/8;f=a.encrypt(f);if(d.length){c=h.bitLength(d)/8;if(c<=65279)g=[h.partial(16,c)];else if(c<=0xffffffff)g=h.concat([h.partial(16,65534)],[c]);g=h.concat(g,d);for(d=0;d<g.length;d+=4)f=a.encrypt(i(f,g.slice(d,d+4)))}for(d=0;d<b.length;d+=4)f=a.encrypt(i(f,b.slice(d,d+4)));return h.clamp(f,e*8)},P:function(a,b,c,d,e,f){var g,h=sjcl.bitArray;g=h.o;var i=b.length,j=h.bitLength(b);c=h.concat([h.partial(8,f-1)],c).concat([0,
+0,0]).slice(0,4);d=h.bitSlice(g(d,a.encrypt(c)),0,e);if(!i)return{tag:d,data:[]};for(g=0;g<i;g+=4){c[3]++;e=a.encrypt(c);b[g]^=e[0];b[g+1]^=e[1];b[g+2]^=e[2];b[g+3]^=e[3]}return{tag:d,data:h.clamp(b,j)}}};
+sjcl.mode.ocb2={name:"ocb2",encrypt:function(a,b,c,d,e,f){if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("ocb iv must be 128 bits");var g,h=sjcl.mode.ocb2.I,i=sjcl.bitArray,j=i.o,k=[0,0,0,0];c=h(a.encrypt(c));var l,m=[];d=d||[];e=e||64;for(g=0;g+4<b.length;g+=4){l=b.slice(g,g+4);k=j(k,l);l=j(c,a.encrypt(j(c,l)));m.splice(g,0,l[0],l[1],l[2],l[3]);c=h(c)}l=b.slice(g);b=i.bitLength(l);g=a.encrypt(j(c,[0,0,0,b]));l=i.clamp(j(l,g),b);k=j(k,j(l,g));k=a.encrypt(j(k,j(c,h(c))));if(d.length)k=
+j(k,f?d:sjcl.mode.ocb2.pmac(a,d));return m.concat(i.concat(l,i.clamp(k,e)))},decrypt:function(a,b,c,d,e,f){if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("ocb iv must be 128 bits");e=e||64;var g=sjcl.mode.ocb2.I,h=sjcl.bitArray,i=h.o,j=[0,0,0,0],k=g(a.encrypt(c)),l,m,n=sjcl.bitArray.bitLength(b)-e,o=[];d=d||[];for(c=0;c+4<n/32;c+=4){l=i(k,a.decrypt(i(k,b.slice(c,c+4))));j=i(j,l);o.splice(c,0,l[0],l[1],l[2],l[3]);k=g(k)}m=n-c*32;l=a.encrypt(i(k,[0,0,0,m]));l=i(l,h.clamp(b.slice(c),
+m));j=i(j,l);j=a.encrypt(i(j,i(k,g(k))));if(d.length)j=i(j,f?d:sjcl.mode.ocb2.pmac(a,d));if(!h.equal(h.clamp(j,e),h.bitSlice(b,n)))throw new sjcl.exception.corrupt("ocb: tag doesn't match");return o.concat(h.clamp(l,m))},pmac:function(a,b){var c,d=sjcl.mode.ocb2.I,e=sjcl.bitArray,f=e.o,g=[0,0,0,0],h=a.encrypt([0,0,0,0]);h=f(h,d(d(h)));for(c=0;c+4<b.length;c+=4){h=d(h);g=f(g,a.encrypt(f(h,b.slice(c,c+4))))}b=b.slice(c);if(e.bitLength(b)<128){h=f(h,d(h));b=e.concat(b,[2147483648|0])}g=f(g,b);return a.encrypt(f(d(f(h,
 d(h))),g))},I:function(a){return[a[0]<<1^a[1]>>>31,a[1]<<1^a[2]>>>31,a[2]<<1^a[3]>>>31,a[3]<<1^(a[0]>>>31)*135]}};sjcl.misc.hmac=function(a,b){this.V=b=b||sjcl.hash.sha256;var c=[[],[]],d=b.prototype.blockSize/32;this.p=[new b,new b];if(a.length>d)a=b.hash(a);for(b=0;b<d;b++){c[0][b]=a[b]^909522486;c[1][b]=a[b]^1549556828}this.p[0].update(c[0]);this.p[1].update(c[1])};sjcl.misc.hmac.prototype.encrypt=sjcl.misc.hmac.prototype.mac=function(a,b){a=(new this.V(this.p[0])).update(a,b).finalize();return(new this.V(this.p[1])).update(a).finalize()};
-sjcl.misc.pbkdf2=function(a,b,c,d,e){c=c||1E3;if(d<0||c<0)throw sjcl.exception.invalid("invalid params to pbkdf2");if(typeof a==="string")a=sjcl.codec.utf8String.toBits(a);e=e||sjcl.misc.hmac;a=new e(a);var f,g,h,j,n=[],l=sjcl.bitArray;for(j=1;32*n.length<(d||1);j++){e=f=a.encrypt(l.concat(b,[j]));for(g=1;g<c;g++){f=a.encrypt(f);for(h=0;h<f.length;h++)e[h]^=f[h]}n=n.concat(e)}if(d)n=l.clamp(n,d);return n};
+sjcl.misc.pbkdf2=function(a,b,c,d,e){c=c||1E3;if(d<0||c<0)throw sjcl.exception.invalid("invalid params to pbkdf2");if(typeof a==="string")a=sjcl.codec.utf8String.toBits(a);e=e||sjcl.misc.hmac;a=new e(a);var f,g,h,i,j=[],k=sjcl.bitArray;for(i=1;32*j.length<(d||1);i++){e=f=a.encrypt(k.concat(b,[i]));for(g=1;g<c;g++){f=a.encrypt(f);for(h=0;h<f.length;h++)e[h]^=f[h]}j=j.concat(e)}if(d)j=k.clamp(j,d);return j};
 sjcl.random={randomWords:function(a,b){var c=[];b=this.isReady(b);var d;if(b===0)throw new sjcl.exception.notReady("generator isn't seeded");else b&2&&this.fa(!(b&1));for(b=0;b<a;b+=4){(b+1)%0x10000===0&&this.U();d=this.D();c.push(d[0],d[1],d[2],d[3])}this.U();return c.slice(0,a)},setDefaultParanoia:function(a){this.C=a},addEntropy:function(a,b,c){c=c||"user";var d,e,f=(new Date).valueOf(),g=this.w[c],h=this.isReady();d=this.M[c];if(d===undefined)d=this.M[c]=this.ca++;if(g===undefined)g=this.w[c]=0;
 this.w[c]=(this.w[c]+1)%this.f.length;switch(typeof a){case "number":break;case "object":if(b===undefined)for(c=b=0;c<a.length;c++)for(e=a[c];e>0;){b++;e>>>=1}this.f[g].update([d,this.R++,2,b,f,a.length].concat(a));break;case "string":if(b===undefined)b=a.length;this.f[g].update([d,this.R++,3,b,f,a.length]);this.f[g].update(a);break;default:throw new sjcl.exception.bug("random: addEntropy only supports number, array or string");}this.n[g]+=b;this.j+=b;if(h===0){this.isReady()!==0&&this.T("seeded",
 Math.max(this.k,this.j));this.T("progress",this.getProgress())}},isReady:function(a){a=this.J[a!==undefined?a:this.C];return this.k&&this.k>=a?this.n[0]>80&&(new Date).valueOf()>this.Y?3:1:this.j>=a?2:0},getProgress:function(a){a=this.J[a?a:this.C];return this.k>=a?1["0"]:this.j>a?1["0"]:this.j/a},startCollectors:function(){if(!this.q){if(window.addEventListener){window.addEventListener("load",this.t,false);window.addEventListener("mousemove",this.u,false)}else if(document.attachEvent){document.attachEvent("onload",
@@ -37,33 +37,32 @@ b);d.key=a;return sjcl.codec.utf8String.fromBits(c)},encode:function(a){var b,c=
 decode:function(a){a=a.replace(/\s/g,"");if(!a.match(/^\{.*\}$/))throw new sjcl.exception.invalid("json decode: this isn't json!");a=a.replace(/^\{|\}$/g,"").split(/,/);var b={},c,d;for(c=0;c<a.length;c++){if(!(d=a[c].match(/^(?:(["']?)([a-z][a-z0-9]*)\1):(?:(\d+)|"([a-z0-9+\/%*_.@=\-]*)")$/i)))throw new sjcl.exception.invalid("json decode: this isn't json!");b[d[2]]=d[3]?parseInt(d[3],10):d[2].match(/^(ct|salt|iv)$/)?sjcl.codec.base64.toBits(d[4]):unescape(d[4])}return b},g:function(a,b,c){if(a===
 undefined)a={};if(b===undefined)return a;var d;for(d in b)if(b.hasOwnProperty(d)){if(c&&a[d]!==undefined&&a[d]!==b[d])throw new sjcl.exception.invalid("required parameter overridden");a[d]=b[d]}return a},ga:function(a,b){var c={},d;for(d=0;d<b.length;d++)if(a[b[d]]!==undefined)c[b[d]]=a[b[d]];return c}};sjcl.encrypt=sjcl.json.encrypt;sjcl.decrypt=sjcl.json.decrypt;sjcl.misc.da={};
 sjcl.misc.cachedPbkdf2=function(a,b){var c=sjcl.misc.da,d;b=b||{};d=b.iter||1E3;c=c[a]=c[a]||{};d=c[d]=c[d]||{firstSalt:b.salt&&b.salt.length?b.salt.slice(0):sjcl.random.randomWords(2,0)};c=b.salt===undefined?d.firstSalt:b.salt;d[c]=d[c]||sjcl.misc.pbkdf2(a,c,b.iter);return{key:d[c].slice(0),salt:c.slice(0)}};sjcl.bn=function(a){this.initWith(a)};
-sjcl.bn.prototype={radix:24,maxMul:8,d:sjcl.bn,copy:function(){return new this.d(this)},initWith:function(a){var b=0,c;switch(typeof a){case "object":this.limbs=a.limbs.slice(0);break;case "number":this.limbs=[a];this.normalize();break;case "string":a=a.replace(/^0x/,"");this.limbs=[];c=this.radix/4;for(b=0;b<a.length;b+=c)this.limbs.push(parseInt(a.substring(Math.max(a.length-b-c,0),a.length-b),16));break;default:this.limbs=[0]}return this},equals:function(a){if(typeof a=="number")a=new this.d(a);
-var b=0,c;this.fullReduce();a.fullReduce();for(c=0;c<this.limbs.length||c<a.limbs.length;c++)b|=this.getLimb(c)^a.getLimb(c);return b===0},getLimb:function(a){return a>=this.limbs.length?0:this.limbs[a]},greaterEquals:function(a){if(typeof a=="number")a=new this.d(a);var b=0,c=0,d,e,f;for(d=Math.max(this.limbs.length,a.limbs.length)-1;d>=0;d--){e=this.getLimb(d);f=a.getLimb(d);c|=f-e&~b;b|=e-f&~c}return(c|~b)>>>31},toString:function(){this.fullReduce();var a="",b,c,d=this.limbs;for(b=0;b<this.limbs.length;b++){for(c=
+sjcl.bn.prototype={radix:24,maxMul:8,d:sjcl.bn,copy:function(){return new this.d(this)},initWith:function(a){var b=0,c;switch(typeof a){case "object":this.limbs=a.limbs.slice(0);break;case "number":this.limbs=[a];this.normalize();break;case "string":a=a.replace(/^0x/,"");this.limbs=[];c=this.radix/4;for(b=0;b<a.length;b+=c)this.limbs.push(parseInt(a.substring(Math.max(a.length-b-c,0),a.length-b),16));break;default:this.limbs=[0]}return this},equals:function(a){if(typeof a==="number")a=new this.d(a);
+var b=0,c;this.fullReduce();a.fullReduce();for(c=0;c<this.limbs.length||c<a.limbs.length;c++)b|=this.getLimb(c)^a.getLimb(c);return b===0},getLimb:function(a){return a>=this.limbs.length?0:this.limbs[a]},greaterEquals:function(a){if(typeof a==="number")a=new this.d(a);var b=0,c=0,d,e,f;for(d=Math.max(this.limbs.length,a.limbs.length)-1;d>=0;d--){e=this.getLimb(d);f=a.getLimb(d);c|=f-e&~b;b|=e-f&~c}return(c|~b)>>>31},toString:function(){this.fullReduce();var a="",b,c,d=this.limbs;for(b=0;b<this.limbs.length;b++){for(c=
 d[b].toString(16);b<this.limbs.length-1&&c.length<6;)c="0"+c;a=c+a}return"0x"+a},addM:function(a){if(typeof a!=="object")a=new this.d(a);var b=this.limbs,c=a.limbs;for(a=b.length;a<c.length;a++)b[a]=0;for(a=0;a<c.length;a++)b[a]+=c[a];return this},doubleM:function(){var a,b=0,c,d=this.radix,e=this.radixMask,f=this.limbs;for(a=0;a<f.length;a++){c=f[a];c=c+c+b;f[a]=c&e;b=c>>d}b&&f.push(b);return this},halveM:function(){var a,b=0,c,d=this.radix,e=this.limbs;for(a=e.length-1;a>=0;a--){c=e[a];e[a]=c+b>>
 1;b=(c&1)<<d}e[e.length-1]||e.pop();return this},subM:function(a){if(typeof a!=="object")a=new this.d(a);var b=this.limbs,c=a.limbs;for(a=b.length;a<c.length;a++)b[a]=0;for(a=0;a<c.length;a++)b[a]-=c[a];return this},mod:function(a){a=(new sjcl.bn(a)).normalize();for(var b=(new sjcl.bn(this)).normalize(),c=0;b.greaterEquals(a);c++)a.doubleM();for(;c>0;c--){a.halveM();b.greaterEquals(a)&&b.subM(a).normalize()}return b.trim()},inverseMod:function(a){var b=new sjcl.bn(1),c=new sjcl.bn(0),d=new sjcl.bn(this),
 e=new sjcl.bn(a),f,g=1;if(!(a.limbs[0]&1))throw new sjcl.exception.invalid("inverseMod: p must be odd");do{if(d.limbs[0]&1){if(!d.greaterEquals(e)){f=d;d=e;e=f;f=b;b=c;c=f}d.subM(e);d.normalize();b.greaterEquals(c)||b.addM(a);b.subM(c)}d.halveM();b.limbs[0]&1&&b.addM(a);b.normalize();b.halveM();for(f=g=0;f<d.limbs.length;f++)g|=d.limbs[f]}while(g);if(!e.equals(1))throw new sjcl.exception.invalid("inverseMod: p and x must be relatively prime");return c},add:function(a){return this.copy().addM(a)},
-sub:function(a){return this.copy().subM(a)},mul:function(a){if(typeof a=="number")a=new this.d(a);var b,c=this.limbs,d=a.limbs,e=c.length,f=d.length,g=new this.d,h=g.limbs,j,n=this.maxMul;for(b=0;b<this.limbs.length+a.limbs.length+1;b++)h[b]=0;for(b=0;b<e;b++){j=c[b];for(a=0;a<f;a++)h[b+a]+=j*d[a];if(!--n){n=this.maxMul;g.cnormalize()}}return g.cnormalize().reduce()},square:function(){return this.mul(this)},power:function(a){if(typeof a=="number")a=[a];else if(a.limbs!==undefined)a=a.normalize().limbs;
-var b,c=new this.d(1),d=this;for(i=0;i<a.length;i++)for(b=0;b<this.radix;b++){if(a[i]&1<<b)c=c.mul(d);d=d.square()}return c},trim:function(){var a=this.limbs,b;do b=a.pop();while(a.length&&b==0);a.push(b);return this},reduce:function(){return this},fullReduce:function(){return this.normalize()},normalize:function(){var a=0,b,c=this.ipv,d,e=this.limbs,f=e.length,g=this.radixMask;for(b=0;b<f||a!==0&&a!==-1;b++){a=(e[b]||0)+a;d=e[b]=a&g;a=(a-d)*c}if(a==-1)e[b-1]-=this.placeVal;return this},cnormalize:function(){var a=
+sub:function(a){return this.copy().subM(a)},mul:function(a){if(typeof a==="number")a=new this.d(a);var b,c=this.limbs,d=a.limbs,e=c.length,f=d.length,g=new this.d,h=g.limbs,i,j=this.maxMul;for(b=0;b<this.limbs.length+a.limbs.length+1;b++)h[b]=0;for(b=0;b<e;b++){i=c[b];for(a=0;a<f;a++)h[b+a]+=i*d[a];if(!--j){j=this.maxMul;g.cnormalize()}}return g.cnormalize().reduce()},square:function(){return this.mul(this)},power:function(a){if(typeof a==="number")a=[a];else if(a.limbs!==undefined)a=a.normalize().limbs;
+var b,c,d=new this.d(1),e=this;for(b=0;b<a.length;b++)for(c=0;c<this.radix;c++){if(a[b]&1<<c)d=d.mul(e);e=e.square()}return d},trim:function(){var a=this.limbs,b;do b=a.pop();while(a.length&&b===0);a.push(b);return this},reduce:function(){return this},fullReduce:function(){return this.normalize()},normalize:function(){var a=0,b,c=this.ipv,d,e=this.limbs,f=e.length,g=this.radixMask;for(b=0;b<f||a!==0&&a!==-1;b++){a=(e[b]||0)+a;d=e[b]=a&g;a=(a-d)*c}if(a===-1)e[b-1]-=this.placeVal;return this},cnormalize:function(){var a=
 0,b,c=this.ipv,d,e=this.limbs,f=e.length,g=this.radixMask;for(b=0;b<f-1;b++){a=e[b]+a;d=e[b]=a&g;a=(a-d)*c}e[b]+=a;return this},toBits:function(a){this.fullReduce();a=a||this.exponent||this.limbs.length*this.radix;var b=Math.floor((a-1)/24),c=sjcl.bitArray;a=[c.partial((a+7&-8)%this.radix||this.radix,this.getLimb(b))];for(b--;b>=0;b--)a=c.concat(a,[c.partial(this.radix,this.getLimb(b))]);return a},bitLength:function(){this.fullReduce();for(var a=this.radix*(this.limbs.length-1),b=this.limbs[this.limbs.length-
 1];b;b>>=1)a++;return a+7&-8}};sjcl.bn.fromBits=function(a){var b=new this,c=[],d=sjcl.bitArray,e=this.prototype,f=Math.min(this.bitLength||0x100000000,d.bitLength(a)),g=f%e.radix||e.radix;for(c[0]=d.extract(a,0,g);g<f;g+=e.radix)c.unshift(d.extract(a,g,e.radix));b.limbs=c;return b};sjcl.bn.prototype.ipv=1/(sjcl.bn.prototype.placeVal=Math.pow(2,sjcl.bn.prototype.radix));sjcl.bn.prototype.radixMask=(1<<sjcl.bn.prototype.radix)-1;
 sjcl.bn.pseudoMersennePrime=function(a,b){function c(g){this.initWith(g)}var d=c.prototype=new sjcl.bn,e,f;e=d.modOffset=Math.ceil(f=a/d.radix);d.exponent=a;d.offset=[];d.factor=[];d.minOffset=e;d.fullMask=0;d.fullOffset=[];d.fullFactor=[];d.modulus=c.modulus=new sjcl.bn(Math.pow(2,a));d.fullMask=0|-Math.pow(2,a%d.radix);for(e=0;e<b.length;e++){d.offset[e]=Math.floor(b[e][0]/d.radix-f);d.fullOffset[e]=Math.ceil(b[e][0]/d.radix-f);d.factor[e]=b[e][1]*Math.pow(0.5,a-b[e][0]+d.offset[e]*d.radix);d.fullFactor[e]=
-b[e][1]*Math.pow(0.5,a-b[e][0]+d.fullOffset[e]*d.radix);d.modulus.addM(new sjcl.bn(Math.pow(2,b[e][0])*b[e][1]));d.minOffset=Math.min(d.minOffset,-d.offset[e])}d.d=c;d.modulus.cnormalize();d.reduce=function(){var g,h,j,n=this.modOffset,l=this.limbs,m=this.offset,o=this.offset.length,q=this.factor,r;for(g=this.minOffset;l.length>n;){j=l.pop();r=l.length;for(h=0;h<o;h++)l[r+m[h]]-=q[h]*j;g--;if(g==0){l.push(0);this.cnormalize();g=this.minOffset}}this.cnormalize();return this};d.aa=d.fullMask==-1?d.reduce:
-function(){var g=this.limbs,h=g.length-1,j;this.reduce();if(h==this.modOffset-1){j=g[h]&this.fullMask;g[h]-=j;for(k=0;k<this.fullOffset.length;k++)g[h+this.fullOffset[k]]-=this.fullFactor[k]*j;this.normalize()}};d.fullReduce=function(){var g,h;this.aa();this.addM(this.modulus);this.addM(this.modulus);this.normalize();this.aa();for(h=this.limbs.length;h<this.modOffset;h++)this.limbs[h]=0;g=this.greaterEquals(this.modulus);for(h=0;h<this.limbs.length;h++)this.limbs[h]-=this.modulus.limbs[h]*g;this.cnormalize();
+b[e][1]*Math.pow(0.5,a-b[e][0]+d.fullOffset[e]*d.radix);d.modulus.addM(new sjcl.bn(Math.pow(2,b[e][0])*b[e][1]));d.minOffset=Math.min(d.minOffset,-d.offset[e])}d.d=c;d.modulus.cnormalize();d.reduce=function(){var g,h,i,j=this.modOffset,k=this.limbs,l=this.offset,m=this.offset.length,n=this.factor,o;for(g=this.minOffset;k.length>j;){i=k.pop();o=k.length;for(h=0;h<m;h++)k[o+l[h]]-=n[h]*i;g--;if(!g){k.push(0);this.cnormalize();g=this.minOffset}}this.cnormalize();return this};d.aa=d.fullMask===-1?d.reduce:
+function(){var g=this.limbs,h=g.length-1,i,j;this.reduce();if(h===this.modOffset-1){j=g[h]&this.fullMask;g[h]-=j;for(i=0;i<this.fullOffset.length;i++)g[h+this.fullOffset[i]]-=this.fullFactor[i]*j;this.normalize()}};d.fullReduce=function(){var g,h;this.aa();this.addM(this.modulus);this.addM(this.modulus);this.normalize();this.aa();for(h=this.limbs.length;h<this.modOffset;h++)this.limbs[h]=0;g=this.greaterEquals(this.modulus);for(h=0;h<this.limbs.length;h++)this.limbs[h]-=this.modulus.limbs[h]*g;this.cnormalize();
 return this};d.inverse=function(){return this.power(this.modulus.sub(2))};c.fromBits=sjcl.bn.fromBits;return c};
 sjcl.bn.prime={p127:sjcl.bn.pseudoMersennePrime(127,[[0,-1]]),p25519:sjcl.bn.pseudoMersennePrime(255,[[0,-19]]),p192:sjcl.bn.pseudoMersennePrime(192,[[0,-1],[64,-1]]),p224:sjcl.bn.pseudoMersennePrime(224,[[0,1],[96,-1]]),p256:sjcl.bn.pseudoMersennePrime(0x100,[[0,-1],[96,1],[192,1],[224,-1]]),p384:sjcl.bn.pseudoMersennePrime(384,[[0,-1],[32,1],[96,-1],[128,-1]]),p521:sjcl.bn.pseudoMersennePrime(521,[[0,-1]])};
-sjcl.bn.random=function(a,b){if(typeof a!="object")a=new sjcl.bn(a);for(var c,d,e=a.limbs.length,f=a.limbs[e-1]+1,g=new sjcl.bn;;){do{c=sjcl.random.randomWords(e,b);if(c[e-1]<0)c[e-1]+=0x100000000}while(Math.floor(c[e-1]/f)==Math.floor(0x100000000/f));c[e-1]%=f;for(d=0;d<e-1;d++)c[d]&=a.radixMask;g.limbs=c;if(!g.greaterEquals(a))return g}};sjcl.ecc={};sjcl.ecc.point=function(a,b,c){if(b===undefined)this.isIdentity=true;else{this.x=b;this.y=c;this.isIdentity=false}this.curve=a};
+sjcl.bn.random=function(a,b){if(typeof a!=="object")a=new sjcl.bn(a);for(var c,d,e=a.limbs.length,f=a.limbs[e-1]+1,g=new sjcl.bn;;){do{c=sjcl.random.randomWords(e,b);if(c[e-1]<0)c[e-1]+=0x100000000}while(Math.floor(c[e-1]/f)===Math.floor(0x100000000/f));c[e-1]%=f;for(d=0;d<e-1;d++)c[d]&=a.radixMask;g.limbs=c;if(!g.greaterEquals(a))return g}};sjcl.ecc={};sjcl.ecc.point=function(a,b,c){if(b===undefined)this.isIdentity=true;else{this.x=b;this.y=c;this.isIdentity=false}this.curve=a};
 sjcl.ecc.point.prototype={toJac:function(){return new sjcl.ecc.pointJac(this.curve,this.x,this.y,new this.curve.field(1))},mult:function(a){return this.toJac().mult(a,this).toAffine()},mult2:function(a,b,c){return this.toJac().mult2(a,this,b,c).toAffine()},multiples:function(){var a,b,c;if(this.X===undefined){c=this.toJac().doubl();a=this.X=[new sjcl.ecc.point(this.curve),this,c.toAffine()];for(b=3;b<16;b++){c=c.add(this);a.push(c.toAffine())}}return this.X},isValid:function(){return this.y.square().equals(this.curve.b.add(this.x.mul(this.curve.a.add(this.x.square()))))},
 toBits:function(){return sjcl.bitArray.concat(this.x.toBits(),this.y.toBits())}};sjcl.ecc.pointJac=function(a,b,c,d){if(b===undefined)this.isIdentity=true;else{this.x=b;this.y=c;this.z=d;this.isIdentity=false}this.curve=a};
-sjcl.ecc.pointJac.prototype={add:function(a){if(this.curve!==a.curve)throw"sjcl['ecc']['add'](): Points must be on the same curve to add them!";if(this.isIdentity)return a.toJac();else if(a.isIdentity)return this;var b=this.z.square(),c=a.x.mul(b).subM(this.x);if(c.equals(0))return this.y.equals(a.y.mul(b.mul(this.z)))?this.doubl():new sjcl.ecc.pointJac(this.curve);b=a.y.mul(b.mul(this.z)).subM(this.y);var d=c.square();a=b.square();var e=c.square().mul(c).addM(this.x.add(this.x).mul(d));a=a.subM(e);
-b=this.x.mul(d).subM(a).mul(b);d=this.y.mul(c.square().mul(c));b=b.subM(d);c=this.z.mul(c);c=new sjcl.ecc.pointJac(this.curve,a,b,c);if(!c.isValid())throw"FOOOOOOOO";return c},doubl:function(){if(this.isIdentity)return this;var a=this.y.square(),b=a.mul(this.x.mul(4)),c=a.square().mul(8);a=this.z.square();var d=this.x.sub(a).mul(3).mul(this.x.add(a));a=d.square().subM(b).subM(b);b=b.sub(a).mul(d).subM(c);c=this.y.add(this.y).mul(this.z);return new sjcl.ecc.pointJac(this.curve,a,b,c)},toAffine:function(){if(this.isIdentity||
-this.z.equals(0))return new sjcl.ecc.point(this.curve);var a=this.z.inverse(),b=a.square();return new sjcl.ecc.point(this.curve,this.x.mul(b).fullReduce(),this.y.mul(b.mul(a)).fullReduce())},mult:function(a,b){if(typeof a=="number")a=[a];else if(a.limbs!==undefined)a=a.normalize().limbs;var c,d=(new sjcl.ecc.point(this.curve)).toJac(),e=b.multiples();for(b=a.length-1;b>=0;b--)for(c=sjcl.bn.prototype.radix-4;c>=0;c-=4)d=d.doubl().doubl().doubl().doubl().add(e[a[b]>>c&15]);return d},mult2:function(a,
-b,c,d){if(typeof a=="number")a=[a];else if(a.limbs!==undefined)a=a.normalize().limbs;if(typeof c=="number")c=[c];else if(c.limbs!==undefined)c=c.normalize().limbs;var e,f=(new sjcl.ecc.point(this.curve)).toJac();b=b.multiples();var g=d.multiples(),h,j;for(d=Math.max(a.length,c.length)-1;d>=0;d--){h=a[d]|0;j=c[d]|0;for(e=sjcl.bn.prototype.radix-4;e>=0;e-=4)f=f.doubl().doubl().doubl().doubl().add(b[h>>e&15]).add(g[j>>e&15])}return f},isValid:function(){var a=this.z.square(),b=a.square();a=b.mul(a);
-return this.y.square().equals(this.curve.b.mul(a).add(this.x.mul(this.curve.a.mul(b).add(this.x.square()))))}};sjcl.ecc.curve=function(a,b,c,d,e,f){this.field=a;this.r=a.prototype.modulus.sub(b);this.a=new a(c);this.b=new a(d);this.G=new sjcl.ecc.point(this,new a(e),new a(f))};
-sjcl.ecc.curve.prototype.fromBits=function(a){var b=sjcl.bitArray,c=this.field.prototype.exponent+7&-8;p=new sjcl.ecc.point(this,this.field.fromBits(b.bitSlice(a,0,c)),this.field.fromBits(b.bitSlice(a,c,2*c)));if(!p.isValid())throw new sjcl.exception.corrupt("not on the curve!");return p};
+sjcl.ecc.pointJac.prototype={add:function(a){var b,c,d,e;if(this.curve!==a.curve)throw"sjcl['ecc']['add'](): Points must be on the same curve to add them!";if(this.isIdentity)return a.toJac();else if(a.isIdentity)return this;b=this.z.square();c=a.x.mul(b).subM(this.x);if(c.equals(0))return this.y.equals(a.y.mul(b.mul(this.z)))?this.doubl():new sjcl.ecc.pointJac(this.curve);b=a.y.mul(b.mul(this.z)).subM(this.y);d=c.square();a=b.square();e=c.square().mul(c).addM(this.x.add(this.x).mul(d));a=a.subM(e);
+b=this.x.mul(d).subM(a).mul(b);d=this.y.mul(c.square().mul(c));b=b.subM(d);c=this.z.mul(c);return new sjcl.ecc.pointJac(this.curve,a,b,c)},doubl:function(){if(this.isIdentity)return this;var a=this.y.square(),b=a.mul(this.x.mul(4)),c=a.square().mul(8);a=this.z.square();var d=this.x.sub(a).mul(3).mul(this.x.add(a));a=d.square().subM(b).subM(b);b=b.sub(a).mul(d).subM(c);c=this.y.add(this.y).mul(this.z);return new sjcl.ecc.pointJac(this.curve,a,b,c)},toAffine:function(){if(this.isIdentity||this.z.equals(0))return new sjcl.ecc.point(this.curve);
+var a=this.z.inverse(),b=a.square();return new sjcl.ecc.point(this.curve,this.x.mul(b).fullReduce(),this.y.mul(b.mul(a)).fullReduce())},mult:function(a,b){if(typeof a==="number")a=[a];else if(a.limbs!==undefined)a=a.normalize().limbs;var c,d=(new sjcl.ecc.point(this.curve)).toJac(),e=b.multiples();for(b=a.length-1;b>=0;b--)for(c=sjcl.bn.prototype.radix-4;c>=0;c-=4)d=d.doubl().doubl().doubl().doubl().add(e[a[b]>>c&15]);return d},mult2:function(a,b,c,d){if(typeof a==="number")a=[a];else if(a.limbs!==
+undefined)a=a.normalize().limbs;if(typeof c==="number")c=[c];else if(c.limbs!==undefined)c=c.normalize().limbs;var e,f=(new sjcl.ecc.point(this.curve)).toJac();b=b.multiples();var g=d.multiples(),h,i;for(d=Math.max(a.length,c.length)-1;d>=0;d--){h=a[d]|0;i=c[d]|0;for(e=sjcl.bn.prototype.radix-4;e>=0;e-=4)f=f.doubl().doubl().doubl().doubl().add(b[h>>e&15]).add(g[i>>e&15])}return f},isValid:function(){var a=this.z.square(),b=a.square();a=b.mul(a);return this.y.square().equals(this.curve.b.mul(a).add(this.x.mul(this.curve.a.mul(b).add(this.x.square()))))}};
+sjcl.ecc.curve=function(a,b,c,d,e,f){this.field=a;this.r=a.prototype.modulus.sub(b);this.a=new a(c);this.b=new a(d);this.G=new sjcl.ecc.point(this,new a(e),new a(f))};sjcl.ecc.curve.prototype.fromBits=function(a){var b=sjcl.bitArray,c=this.field.prototype.exponent+7&-8;a=new sjcl.ecc.point(this,this.field.fromBits(b.bitSlice(a,0,c)),this.field.fromBits(b.bitSlice(a,c,2*c)));if(!a.isValid())throw new sjcl.exception.corrupt("not on the curve!");return a};
 sjcl.ecc.curves={c192:new sjcl.ecc.curve(sjcl.bn.prime.p192,"0x662107c8eb94364e4b2dd7ce",-3,"0x64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1","0x188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012","0x07192b95ffc8da78631011ed6b24cdd573f977a11e794811"),c224:new sjcl.ecc.curve(sjcl.bn.prime.p224,"0xe95c1f470fc1ec22d6baa3a3d5c4",-3,"0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4","0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21","0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34"),
 c256:new sjcl.ecc.curve(sjcl.bn.prime.p256,"0x4319055358e8617b0c46353d039cdaae",-3,"0x5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b","0x6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296","0x4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5"),c384:new sjcl.ecc.curve(sjcl.bn.prime.p384,"0x389cb27e0bc8d21fa7e5f24cb74f58851313e696333ad68c",-3,"0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef","0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7",
 "0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f")};
-sjcl.ecc.Q=function(a){sjcl.ecc[a]={publicKey:function(b,c){this.e=b;this.Z=c instanceof Array?b.fromBits(c):c},secretKey:function(b,c){this.e=b;this.S=c},generateKeys:function(b,c){if(typeof b=="number"){b=sjcl.ecc.curves["c"+b];if(b===undefined)throw new sjcl.exception.invalid("no such curve");}c=sjcl.bn.random(b.r,c);var d=b.G.mult(c);return{pub:new sjcl.ecc[a].publicKey(b,d),sec:new sjcl.ecc[a].secretKey(b,c)}}}};sjcl.ecc.Q("elGamal");
+sjcl.ecc.Q=function(a){sjcl.ecc[a]={publicKey:function(b,c){this.e=b;this.Z=c instanceof Array?b.fromBits(c):c},secretKey:function(b,c){this.e=b;this.S=c},generateKeys:function(b,c){if(b===undefined)b=0x100;if(typeof b==="number"){b=sjcl.ecc.curves["c"+b];if(b===undefined)throw new sjcl.exception.invalid("no such curve");}c=sjcl.bn.random(b.r,c);var d=b.G.mult(c);return{pub:new sjcl.ecc[a].publicKey(b,d),sec:new sjcl.ecc[a].secretKey(b,c)}}}};sjcl.ecc.Q("elGamal");
 sjcl.ecc.elGamal.publicKey.prototype={kem:function(a){a=sjcl.bn.random(this.e.r,a);var b=this.e.G.mult(a).toBits();return{key:sjcl.hash.sha256.hash(this.Z.mult(a).toBits()),tag:b}}};sjcl.ecc.elGamal.secretKey.prototype={unkem:function(a){return sjcl.hash.sha256.hash(this.e.fromBits(a).mult(this.S).toBits())}};sjcl.ecc.Q("ecdsa");
-sjcl.ecc.ecdsa.secretKey.prototype={sign:function(a,b){var c=this.e.r,d=c.bitLength();b=this.e.G.mult(kkkk=sjcl.bn.random(c.sub(1),b).add(1)).x.mod(c);a=sjcl.bn.fromBits(a).add(b.mul(this.S)).inverseMod(c).mul(kkkk).mod(c);return sjcl.bitArray.concat(b.toBits(d),a.toBits(d))}};
-sjcl.ecc.ecdsa.publicKey.prototype={verify:function(a,b){var c=sjcl.bitArray,d=this.e.r,e=d.bitLength(),f=sjcl.bn.fromBits(c.bitSlice(b,0,e));b=sjcl.bn.fromBits(c.bitSlice(b,e,2*e));a=sjcl.bn.fromBits(a).mul(b).mod(d);c=f.mul(b).mod(d);a=this.e.G.mult2(a,c,this.Z).x;c=sjcl.exception.corrupt;if(f.equals(0)||b.equals(0)||f.greaterEquals(d)||b.greaterEquals(d)||!a.equals(f))throw new c("signature didn't check out");return true}};
+sjcl.ecc.ecdsa.secretKey.prototype={sign:function(a,b){var c=this.e.r,d=c.bitLength(),e=sjcl.bn.random(c.sub(1),b).add(1);b=this.e.G.mult(e).x.mod(c);a=sjcl.bn.fromBits(a).add(b.mul(this.S)).inverseMod(c).mul(e).mod(c);return sjcl.bitArray.concat(b.toBits(d),a.toBits(d))}};
+sjcl.ecc.ecdsa.publicKey.prototype={verify:function(a,b){var c=sjcl.bitArray,d=this.e.r,e=d.bitLength(),f=sjcl.bn.fromBits(c.bitSlice(b,0,e));b=sjcl.bn.fromBits(c.bitSlice(b,e,2*e));a=sjcl.bn.fromBits(a).mul(b).mod(d);c=f.mul(b).mod(d);a=this.e.G.mult2(a,c,this.Z).x;if(f.equals(0)||b.equals(0)||f.greaterEquals(d)||b.greaterEquals(d)||!a.equals(f))throw new sjcl.exception.corrupt("signature didn't check out");return true}};
diff --git a/test/ecdh_test.js b/test/ecdh_test.js
index 681b3f9..8bcf874 100644
--- a/test/ecdh_test.js
+++ b/test/ecdh_test.js
@@ -5,11 +5,14 @@ new sjcl.test.TestCase("ECDH test", function (cb) {
     return;
   }
   
-  var keys = sjcl.ecc.elGamal.generateKeys(192,0),
-      keyTag = keys.pub.kem(0),
-      key2 = keys.sec.unkem(keyTag.tag);
-      
-  this.require(sjcl.bitArray.equal(keyTag.key, key2));
-  
+  try {  
+    var keys = sjcl.ecc.elGamal.generateKeys(192,0),
+        keyTag = keys.pub.kem(0),
+        key2 = keys.sec.unkem(keyTag.tag);
+        
+    this.require(sjcl.bitArray.equal(keyTag.key, key2));
+  } catch(e) {
+    this.fail(e);
+  }
   cb && cb();
 });