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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>CryptoPass</title>
<meta name="author" content="Dmitry Chestnykh">
<script type="text/javascript">
/*
* Crypto-JS v2.0.0
* http://code.google.com/p/crypto-js/
* Copyright (c) 2009, Jeff Mott. All rights reserved.
* http://code.google.com/p/crypto-js/wiki/License
*/
/* Crypto */
if (typeof Crypto == "undefined" || ! Crypto.util)
{
(function(){
var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
// Global Crypto object
var Crypto = window.Crypto = {};
// Crypto utilities
var util = Crypto.util = {
// Bit-wise rotate left
rotl: function (n, b) {
return (n << b) | (n >>> (32 - b));
},
// Bit-wise rotate right
rotr: function (n, b) {
return (n << (32 - b)) | (n >>> b);
},
// Swap big-endian to little-endian and vice versa
endian: function (n) {
// If number given, swap endian
if (n.constructor == Number) {
return util.rotl(n, 8) & 0x00FF00FF |
util.rotl(n, 24) & 0xFF00FF00;
}
// Else, assume array and swap all items
for (var i = 0; i < n.length; i++)
n[i] = util.endian(n[i]);
return n;
},
// Generate an array of any length of random bytes
randomBytes: function (n) {
for (var bytes = []; n > 0; n--)
bytes.push(Math.floor(Math.random() * 256));
return bytes;
},
// Convert a byte array to big-endian 32-bit words
bytesToWords: function (bytes) {
for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
words[b >>> 5] |= bytes[i] << (24 - b % 32);
return words;
},
// Convert big-endian 32-bit words to a byte array
wordsToBytes: function (words) {
for (var bytes = [], b = 0; b < words.length * 32; b += 8)
bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
return bytes;
},
// Convert a byte array to a hex string
bytesToHex: function (bytes) {
for (var hex = [], i = 0; i < bytes.length; i++) {
hex.push((bytes[i] >>> 4).toString(16));
hex.push((bytes[i] & 0xF).toString(16));
}
return hex.join("");
},
// Convert a hex string to a byte array
hexToBytes: function (hex) {
for (var bytes = [], c = 0; c < hex.length; c += 2)
bytes.push(parseInt(hex.substr(c, 2), 16));
return bytes;
},
// Convert a byte array to a base-64 string
bytesToBase64: function (bytes) {
// Use browser-native function if it exists
if (typeof btoa == "function") return btoa(Binary.bytesToString(bytes));
for(var base64 = [], i = 0; i < bytes.length; i += 3) {
var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
for (var j = 0; j < 4; j++) {
if (i * 8 + j * 6 <= bytes.length * 8)
base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
else base64.push("=");
}
}
return base64.join("");
},
// Convert a base-64 string to a byte array
base64ToBytes: function (base64) {
// Use browser-native function if it exists
if (typeof atob == "function") return Binary.stringToBytes(atob(base64));
// Remove non-base-64 characters
base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
if (imod4 == 0) continue;
bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
(base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
}
return bytes;
}
};
// Crypto mode namespace
Crypto.mode = {};
// Crypto character encodings
var charenc = Crypto.charenc = {};
// UTF-8 encoding
var UTF8 = charenc.UTF8 = {
// Convert a string to a byte array
stringToBytes: function (str) {
return Binary.stringToBytes(unescape(encodeURIComponent(str)));
},
// Convert a byte array to a string
bytesToString: function (bytes) {
return decodeURIComponent(escape(Binary.bytesToString(bytes)));
}
};
// Binary encoding
var Binary = charenc.Binary = {
// Convert a string to a byte array
stringToBytes: function (str) {
for (var bytes = [], i = 0; i < str.length; i++)
bytes.push(str.charCodeAt(i));
return bytes;
},
// Convert a byte array to a string
bytesToString: function (bytes) {
for (var str = [], i = 0; i < bytes.length; i++)
str.push(String.fromCharCode(bytes[i]));
return str.join("");
}
};
})();
}
/* SHA-256 */
(function(){
// Shortcuts
var C = Crypto,
util = C.util,
charenc = C.charenc,
UTF8 = charenc.UTF8,
Binary = charenc.Binary;
// Constants
var K = [ 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2 ];
// Public API
var SHA256 = C.SHA256 = function (message, options) {
var digestbytes = util.wordsToBytes(SHA256._sha256(message));
return options && options.asBytes ? digestbytes :
options && options.asString ? Binary.bytesToString(digestbytes) :
util.bytesToHex(digestbytes);
};
// The core
SHA256._sha256 = function (message) {
// Convert to byte array
if (message.constructor == String) message = UTF8.stringToBytes(message);
/* else, assume byte array already */
var m = util.bytesToWords(message),
l = message.length * 8,
H = [ 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 ],
w = [],
a, b, c, d, e, f, g, h, i, j,
t1, t2;
// Padding
m[l >> 5] |= 0x80 << (24 - l % 32);
m[((l + 64 >> 9) << 4) + 15] = l;
for (var i = 0; i < m.length; i += 16) {
a = H[0];
b = H[1];
c = H[2];
d = H[3];
e = H[4];
f = H[5];
g = H[6];
h = H[7];
for (var j = 0; j < 64; j++) {
if (j < 16) w[j] = m[j + i];
else {
var gamma0x = w[j - 15],
gamma1x = w[j - 2],
gamma0 = ((gamma0x << 25) | (gamma0x >>> 7)) ^
((gamma0x << 14) | (gamma0x >>> 18)) ^
(gamma0x >>> 3),
gamma1 = ((gamma1x << 15) | (gamma1x >>> 17)) ^
((gamma1x << 13) | (gamma1x >>> 19)) ^
(gamma1x >>> 10);
w[j] = gamma0 + (w[j - 7] >>> 0) +
gamma1 + (w[j - 16] >>> 0);
}
var ch = e & f ^ ~e & g,
maj = a & b ^ a & c ^ b & c,
sigma0 = ((a << 30) | (a >>> 2)) ^
((a << 19) | (a >>> 13)) ^
((a << 10) | (a >>> 22)),
sigma1 = ((e << 26) | (e >>> 6)) ^
((e << 21) | (e >>> 11)) ^
((e << 7) | (e >>> 25));
t1 = (h >>> 0) + sigma1 + ch + (K[j]) + (w[j] >>> 0);
t2 = sigma0 + maj;
h = g;
g = f;
f = e;
e = d + t1;
d = c;
c = b;
b = a;
a = t1 + t2;
}
H[0] += a;
H[1] += b;
H[2] += c;
H[3] += d;
H[4] += e;
H[5] += f;
H[6] += g;
H[7] += h;
}
return H;
};
// Package private blocksize
SHA256._blocksize = 16;
})();
/* HMAC */
(function(){
// Shortcuts
var C = Crypto,
util = C.util,
charenc = C.charenc,
UTF8 = charenc.UTF8,
Binary = charenc.Binary;
C.HMAC = function (hasher, message, key, options) {
// Convert to byte arrays
if (message.constructor == String) message = UTF8.stringToBytes(message);
if (key.constructor == String) key = UTF8.stringToBytes(key);
/* else, assume byte arrays already */
// Allow arbitrary length keys
if (key.length > hasher._blocksize * 4)
key = hasher(key, { asBytes: true });
// XOR keys with pad constants
var okey = key.slice(0),
ikey = key.slice(0);
for (var i = 0; i < hasher._blocksize * 4; i++) {
okey[i] ^= 0x5C;
ikey[i] ^= 0x36;
}
var hmacbytes = hasher(okey.concat(hasher(ikey.concat(message), { asBytes: true })), { asBytes: true });
return options && options.asBytes ? hmacbytes :
options && options.asString ? Binary.bytesToString(hmacbytes) :
util.bytesToHex(hmacbytes);
};
})();
/* PBKDF2 with SHA-256 */
(function(){
// Shortcuts
var C = Crypto,
util = C.util,
charenc = C.charenc,
UTF8 = charenc.UTF8,
Binary = charenc.Binary;
C.PBKDF2 = function (password, salt, keylen, options) {
// Convert to byte arrays
if (password.constructor == String) password = UTF8.stringToBytes(password);
if (salt.constructor == String) salt = UTF8.stringToBytes(salt);
/* else, assume byte arrays already */
// Defaults
var hasher = options && options.hasher || C.SHA256,
iterations = options && options.iterations || 1;
// Pseudo-random function
function PRF(password, salt) {
return C.HMAC(hasher, salt, password, { asBytes: true });
}
// Generate key
var derivedKeyBytes = [],
blockindex = 1;
while (derivedKeyBytes.length < keylen) {
var block = PRF(password, salt.concat(util.wordsToBytes([blockindex])));
for (var u = block, i = 1; i < iterations; i++) {
u = PRF(password, u);
for (var j = 0; j < block.length; j++) block[j] ^= u[j];
}
derivedKeyBytes = derivedKeyBytes.concat(block);
blockindex++;
}
// Truncate excess bytes
derivedKeyBytes.length = keylen;
return options && options.asBytes ? derivedKeyBytes :
options && options.asString ? Binary.bytesToString(derivedKeyBytes) :
util.bytesToHex(derivedKeyBytes);
};
})();
// **** Password generation ****
function makePassword() {
var secret = document.getElementById('secret').value;
var username = document.getElementById('username').value;
var url = document.getElementById('url').value;
var length = document.getElementById('length').value;
var salt = username + '@' + url;
if (secret.length < 16)
showDiv('warning');
else
hideDiv('warning');
return Crypto.util.bytesToBase64(Crypto.PBKDF2(secret, salt, 32, { iterations: 5000, asBytes: true })).substring(0,length);
}
function generatePassword()
{
var result_field = document.getElementById('result');
result_field.value = makePassword();
showDiv('result-box');
result_field.select();
return false; // don't reload page
}
function toggleDiv(id)
{
var infoStyle = document.getElementById(id).style;
if (infoStyle.display == "block")
infoStyle.display = "none";
else
infoStyle.display = "block";
}
function showDiv(id)
{
var infoStyle = document.getElementById(id).style;
infoStyle.display = "block";
}
function hideDiv(id)
{
var infoStyle = document.getElementById(id).style;
infoStyle.display = "none";
}
function getHostname(str) {
var re = new RegExp('^(?:f|ht)tp(?:s)?\://(?:www.)?([^/]+)', 'im');
return str.match(re)[1].toString();
}
function fillPassword() {
var username = document.getElementById('username').value || "";
chrome.tabs.executeScript(null,
{code:"var els = document.getElementsByTagName('input'); \
for (var i=0; i < els.length; i++) { \
if (els[i].type.toLowerCase() == 'password') { \
els[i].value = '" + makePassword() + "'; \
} else { \
var name = els[i].name.toLowerCase(); \
if (name.match(/login|username|email/)) { \
els[i].value = '" + username + "'; \
} \
} \
}"});
window.close();
}
</script>
<style type="text/css">
body {
font: 10pt Helvetica, Arial, sans-serif;
width: 350px;
}
.label {
text-align: right;
padding-right: 5px;
}
#secret, #url, #username, #result {
width: 100%;
}
.length, #length {
font-size: 8pt;
color: #666;
}
.centered {
text-align: center;
}
td.input {
width: 265px
}
#result-box {
display: none
}
#warning {
display: none;
font-size: 10px;
color: red
}
button {
background: #f4f4f4 -webkit-gradient(linear,left top,left bottom,
color-stop(0, #fafafa),color-stop(1, #ccc));
border: 1px solid #aaa;
border-radius: 5px;
padding: 3px 10px;
margin-top: 3px;
text-shadow: 0 1px #f4f4f4;
}
button:active {
background: #f4f4f4 -webkit-gradient(linear,left top,left bottom,
color-stop(1, #ddd),color-stop(0, #bbb))
}
</style>
</head>
<body>
<form onsubmit="return fillPassword()">
<table>
<tr>
<td class="label">Secret</td>
<td class="input"><input type="password" id="secret" value=""></td>
</tr>
<tr>
<td class="label">Username</td>
<td class="input"><input type="text" spellcheck="false" id="username" value=""></td>
</tr>
<tr>
<td class="label">URL</td>
<td class="input"><input type="text" spellcheck="false" id="url" value=""></td>
</tr>
<tr class="length">
<td class="label">Max Length</td>
<td class="input"><input type="text" id="length" value="25" size="2"> characters
<div style="float: right; margin-right: -5px">
<button onclick="return generatePassword()"><b>Show</b></button>
<button onclick="fillPassword()"> Fill </button>
</div>
</td></tr>
</table>
</form>
<div id="result-box">
<p class="centered">Your password <span style="color:#666">(copy and paste it)</span>:
<br>
<input type="text" spellcheck="false" class="centered" id="result" value=""></p>
<div id="warning">
<p><b>Warning:</b> Your secret should contain at least 16 chars
for better security.</p>
</div>
</div>
<script>
(function () {
chrome.tabs.getSelected(null, function(tab) {
document.getElementById('url').value = getHostname(tab.url);
});
document.getElementById('secret').focus();
})();
</script>
</body>
</html>