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ultraviolet
GitHub Repository: ultraviolet/bitaddress.org
 Path: blob/master/src/ninja.seeder.js
248 views
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ninja.seeder = {

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	init: (function () {

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		document.getElementById("generatekeyinput").value = "";

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	})(),

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	// number of mouse movements to wait for

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	seedLimit: (function () {

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		var num = Crypto.util.randomBytes(12)[11];

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		return 200 + Math.floor(num);

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	})(),

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	seedCount: 0, // counter

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	lastInputTime: new Date().getTime(),

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	seedPoints: [],

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	isStillSeeding: true,

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	seederDependentWallets: ["singlewallet", "paperwallet", "bulkwallet", "vanitywallet", "splitwallet"],

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	// seed function exists to wait for mouse movement to add more entropy before generating an address

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	seed: function (evt) {

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		if (!evt) var evt = window.event;

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		var timeStamp = new Date().getTime();

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		// seeding is over now we generate and display the address

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		if (ninja.seeder.seedCount == ninja.seeder.seedLimit) {

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			ninja.seeder.seedCount++;

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			ninja.seeder.seedingOver();

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		}

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			// seed mouse position X and Y when mouse movements are greater than 40ms apart.

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		else if ((ninja.seeder.seedCount < ninja.seeder.seedLimit) && evt && (timeStamp - ninja.seeder.lastInputTime) > 40) {

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			SecureRandom.seedTime();

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			SecureRandom.seedInt16((evt.clientX * evt.clientY));

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			ninja.seeder.showPoint(evt.clientX, evt.clientY);

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			ninja.seeder.seedCount++;

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			ninja.seeder.lastInputTime = new Date().getTime();

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			ninja.seeder.showPool();

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		}

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	},

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	// seed function exists to wait for mouse movement to add more entropy before generating an address

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	seedKeyPress: function (evt) {

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		if (!evt) var evt = window.event;

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		// seeding is over now we generate and display the address

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		if (ninja.seeder.seedCount == ninja.seeder.seedLimit) {

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			ninja.seeder.seedCount++;

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			ninja.seeder.seedingOver();

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		}

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			// seed key press character

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		else if ((ninja.seeder.seedCount < ninja.seeder.seedLimit) && evt.which) {

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			var timeStamp = new Date().getTime();

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			// seed a bunch (minimum seedLimit) of times

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			SecureRandom.seedTime();

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			SecureRandom.seedInt8(evt.which);

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			var keyPressTimeDiff = timeStamp - ninja.seeder.lastInputTime;

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			SecureRandom.seedInt8(keyPressTimeDiff);

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			ninja.seeder.seedCount++;

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			ninja.seeder.lastInputTime = new Date().getTime();

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			ninja.seeder.showPool();

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		}

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	},

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	showPool: function () {

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		var poolHex;

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		if (SecureRandom.poolCopyOnInit != null) {

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			poolHex = Crypto.util.bytesToHex(SecureRandom.poolCopyOnInit);

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			document.getElementById("seedpool").innerHTML = poolHex;

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			document.getElementById("seedpooldisplay").innerHTML = poolHex;

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		}

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		else {

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			poolHex = Crypto.util.bytesToHex(SecureRandom.pool);

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			document.getElementById("seedpool").innerHTML = poolHex;

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			document.getElementById("seedpooldisplay").innerHTML = poolHex;

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		}

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		var percentSeeded = Math.round((ninja.seeder.seedCount / ninja.seeder.seedLimit) * 100) + "%";

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		document.getElementById("mousemovelimit").innerHTML = percentSeeded;

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		for (var wIndex in ninja.seeder.seederDependentWallets) {

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			document.getElementById(ninja.seeder.seederDependentWallets[wIndex]).innerHTML = percentSeeded;

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		}

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	},

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	showPoint: function (x, y) {

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		var div = document.createElement("div");

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		div.setAttribute("class", "seedpoint");

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		div.style.top = y + "px";

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		div.style.left = x + "px";

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		document.body.appendChild(div);

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		ninja.seeder.seedPoints.push(div);

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	},

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	removePoints: function () {

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		for (var i = 0; i < ninja.seeder.seedPoints.length; i++) {

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			document.body.removeChild(ninja.seeder.seedPoints[i]);

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		}

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		ninja.seeder.seedPoints = [];

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	},

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	seedingOver: function () {

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		ninja.seeder.isStillSeeding = false;

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		// run sync unit tests

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		ninja.status.unitTests();

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		// open selected tab

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		var walletType = ninja.tab.whichIsOpen();

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		if (walletType == null) {

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			ninja.tab.select("singlewallet");

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		} else {

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			ninja.tab.select(walletType)

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		}

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		document.getElementById("generate").style.display = "none";

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		// update labels for dependent wallets

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		var culture = (ninja.getQueryString()["culture"] == null ? "en" : ninja.getQueryString()["culture"]);

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		ninja.translator.translate(culture);

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		ninja.seeder.removePoints();

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	}

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};

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