diff --git a/index.html b/index.html
index bb8e49a..3baaa5a 100644
--- a/index.html
+++ b/index.html
@@ -25,10 +25,8 @@
-
-
diff --git a/js/coin.js b/js/coin.js
index 3427ed2..1d713cf 100644
--- a/js/coin.js
+++ b/js/coin.js
@@ -640,7 +640,6 @@
var hash = Crypto.util.hexToBytes(this.transactionHash(index));
if(hash){
- var rng = new SecureRandom();
var curve = EllipticCurve.getSECCurveByName("secp256k1");
var key = coinjs.wif2privkey(wif);
var priv = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(key['privkey']));
diff --git a/js/securerandom.js b/js/securerandom.js
deleted file mode 100644
index 91f1991..0000000
--- a/js/securerandom.js
+++ /dev/null
@@ -1,186 +0,0 @@
-/*!
-* Random number generator with ArcFour PRNG
-*
-* NOTE: For best results, put code like
-*
-* in your main HTML document.
-*
-* Copyright Tom Wu, bitaddress.org BSD License.
-* http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-*/
-(function () {
-
- // Constructor function of Global SecureRandom object
- var sr = window.SecureRandom = function () { };
-
- // Properties
- sr.state;
- sr.pool;
- sr.pptr;
- sr.poolCopyOnInit;
-
- // Pool size must be a multiple of 4 and greater than 32.
- // An array of bytes the size of the pool will be passed to init()
- sr.poolSize = 256;
-
- // --- object methods ---
-
- // public method
- // ba: byte array
- sr.prototype.nextBytes = function (ba) {
- var i;
- if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
- try {
- var rvBytes = new Uint8Array(ba.length);
- window.crypto.getRandomValues(rvBytes);
- for (i = 0; i < ba.length; ++i)
- ba[i] = sr.getByte() ^ rvBytes[i];
- return;
- } catch (e) {
- alert(e);
- }
- }
- for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
- };
-
-
- // --- static methods ---
-
- // Mix in the current time (w/milliseconds) into the pool
- // NOTE: this method should be called from body click/keypress event handlers to increase entropy
- sr.seedTime = function () {
- sr.seedInt(new Date().getTime());
- }
-
- sr.getByte = function () {
- if (sr.state == null) {
- sr.seedTime();
- sr.state = sr.ArcFour(); // Plug in your RNG constructor here
- sr.state.init(sr.pool);
- sr.poolCopyOnInit = [];
- for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
- sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
- sr.pptr = 0;
- }
- // TODO: allow reseeding after first request
- return sr.state.next();
- }
-
- // Mix in a 32-bit integer into the pool
- sr.seedInt = function (x) {
- sr.seedInt8(x);
- sr.seedInt8((x >> 8));
- sr.seedInt8((x >> 16));
- sr.seedInt8((x >> 24));
- }
-
- // Mix in a 16-bit integer into the pool
- sr.seedInt16 = function (x) {
- sr.seedInt8(x);
- sr.seedInt8((x >> 8));
- }
-
- // Mix in a 8-bit integer into the pool
- sr.seedInt8 = function (x) {
- sr.pool[sr.pptr++] ^= x & 255;
- if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
- }
-
- // Arcfour is a PRNG
- sr.ArcFour = function () {
- function Arcfour() {
- this.i = 0;
- this.j = 0;
- this.S = new Array();
- }
-
- // Initialize arcfour context from key, an array of ints, each from [0..255]
- function ARC4init(key) {
- var i, j, t;
- for (i = 0; i < 256; ++i)
- this.S[i] = i;
- j = 0;
- for (i = 0; i < 256; ++i) {
- j = (j + this.S[i] + key[i % key.length]) & 255;
- t = this.S[i];
- this.S[i] = this.S[j];
- this.S[j] = t;
- }
- this.i = 0;
- this.j = 0;
- }
-
- function ARC4next() {
- var t;
- this.i = (this.i + 1) & 255;
- this.j = (this.j + this.S[this.i]) & 255;
- t = this.S[this.i];
- this.S[this.i] = this.S[this.j];
- this.S[this.j] = t;
- return this.S[(t + this.S[this.i]) & 255];
- }
-
- Arcfour.prototype.init = ARC4init;
- Arcfour.prototype.next = ARC4next;
-
- return new Arcfour();
- };
-
-
- // Initialize the pool with junk if needed.
- if (sr.pool == null) {
- sr.pool = new Array();
- sr.pptr = 0;
- var t;
- if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
- try {
- // Use webcrypto if available
- var ua = new Uint8Array(sr.poolSize);
- window.crypto.getRandomValues(ua);
- for (t = 0; t < sr.poolSize; ++t)
- sr.pool[sr.pptr++] = ua[t];
- } catch (e) { alert(e); }
- }
- while (sr.pptr < sr.poolSize) { // extract some randomness from Math.random()
- t = Math.floor(65536 * Math.random());
- sr.pool[sr.pptr++] = t >>> 8;
- sr.pool[sr.pptr++] = t & 255;
- }
- sr.pptr = Math.floor(sr.poolSize * Math.random());
- sr.seedTime();
- // entropy
- var entropyStr = "";
- // screen size and color depth: ~4.8 to ~5.4 bits
- entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
- entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
- // time zone offset: ~4 bits
- var dateObj = new Date();
- var timeZoneOffset = dateObj.getTimezoneOffset();
- entropyStr += timeZoneOffset;
- // user agent: ~8.3 to ~11.6 bits
- entropyStr += navigator.userAgent;
- // browser plugin details: ~16.2 to ~21.8 bits
- var pluginsStr = "";
- for (var i = 0; i < navigator.plugins.length; i++) {
- pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
- }
- var mimeTypesStr = "";
- for (var i = 0; i < navigator.mimeTypes.length; i++) {
- mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
- }
- entropyStr += pluginsStr + mimeTypesStr;
- // cookies and storage: 1 bit
- entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
- // language: ~7 bit
- entropyStr += navigator.language;
- // history: ~2 bit
- entropyStr += window.history.length;
- // location
- entropyStr += window.location;
-
- var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
- for (var i = 0 ; i < entropyBytes.length ; i++) {
- sr.seedInt8(entropyBytes[i]);
- }
- }
-})();
\ No newline at end of file