/**
## /utils/bcrypt
The bcrypt utility module exports methods to hash and compare password stored in the ACL.
The script has been taken from the built distribution of https://github.com/dcodeIO/bcrypt.js
@license bcrypt.js (c) 2013 Daniel Wirtz <dcode@dcode.io>
Released under the Apache License, Version 2.0
@module /utils/bcrypt
*/
/*
Copyright (c) 2012 Nevins Bartolomeo <nevins.bartolomeo@gmail.com>
Copyright (c) 2012 Shane Girish <shaneGirish@gmail.com>
Copyright (c) 2014 Daniel Wirtz <dcode@dcode.io>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
(function(global, factory) {
/* AMD */ if (typeof define === 'function' && define['amd'])
define([], factory);
/* CommonJS */ else if (typeof require === 'function' && typeof module === 'object' && module && module['exports'])
module['exports'] = factory();
/* Global */ else
(global['dcodeIO'] = global['dcodeIO'] || {})['bcrypt'] = factory();
}(this, function() {
'use strict';
/**
* bcrypt namespace.
* @type {Object.<string,*>}
*/
var bcrypt = {};
/**
* The random implementation to use as a fallback.
* @type {?function(number):!Array.<number>}
* @inner
*/
var randomFallback = null;
/**
* Generates cryptographically secure random bytes.
* @function
* @param {number} len Bytes length
* @returns {!Array.<number>} Random bytes
* @throws {Error} If no random implementation is available
* @inner
*/
function random(len) {
/* node */ if (typeof module !== 'undefined' && module && module['exports'])
try {
return require('crypto')['randomBytes'](len);
} catch (e) {}
/* WCA */ try {
var a; (self['crypto']||self['msCrypto'])['getRandomValues'](a = new Uint32Array(len));
return Array.prototype.slice.call(a);
} catch (e) {}
/* fallback */ if (!randomFallback)
throw Error('Neither WebCryptoAPI nor a crypto module is available. Use bcrypt.setRandomFallback to set an alternative');
return randomFallback(len);
}
// Test if any secure randomness source is available
var randomAvailable = false;
try {
random(1);
randomAvailable = true;
} catch (e) {}
// Default fallback, if any
randomFallback = null;
/**
* Sets the pseudo random number generator to use as a fallback if neither node's `crypto` module nor the Web Crypto
* API is available. Please note: It is highly important that the PRNG used is cryptographically secure and that it
* is seeded properly!
* @param {?function(number):!Array.<number>} random Function taking the number of bytes to generate as its
* sole argument, returning the corresponding array of cryptographically secure random byte values.
* @see http://nodejs.org/api/crypto.html
* @see http://www.w3.org/TR/WebCryptoAPI/
*/
bcrypt.setRandomFallback = function(random) {
randomFallback = random;
};
/**
* Synchronously generates a salt.
* @param {number=} rounds Number of rounds to use, defaults to 10 if omitted
* @param {number=} seed_length Not supported.
* @returns {string} Resulting salt
* @throws {Error} If a random fallback is required but not set
*/
bcrypt.genSaltSync = function(rounds, seed_length) {
rounds = rounds || GENSALT_DEFAULT_LOG2_ROUNDS;
if (typeof rounds !== 'number')
throw Error('Illegal arguments: '+(typeof rounds)+', '+(typeof seed_length));
if (rounds < 4)
rounds = 4;
else if (rounds > 31)
rounds = 31;
var salt = [];
salt.push('$2a$');
if (rounds < 10)
salt.push('0');
salt.push(rounds.toString());
salt.push('$');
salt.push(base64_encode(random(BCRYPT_SALT_LEN), BCRYPT_SALT_LEN)); // May throw
return salt.join('');
};
/**
* Asynchronously generates a salt.
* @param {(number|function(Error, string=))=} rounds Number of rounds to use, defaults to 10 if omitted
* @param {(number|function(Error, string=))=} seed_length Not supported.
* @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting salt
* @returns {!Promise} If `callback` has been omitted
* @throws {Error} If `callback` is present but not a function
*/
bcrypt.genSalt = function(rounds, seed_length, callback) {
if (typeof seed_length === 'function')
callback = seed_length,
seed_length = undefined; // Not supported.
if (typeof rounds === 'function')
callback = rounds,
rounds = undefined;
if (typeof rounds === 'undefined')
rounds = GENSALT_DEFAULT_LOG2_ROUNDS;
else if (typeof rounds !== 'number')
throw Error('illegal arguments: '+(typeof rounds));
function _async(callback) {
nextTick(function() { // Pretty thin, but salting is fast enough
try {
callback(null, bcrypt.genSaltSync(rounds));
} catch (err) {
callback(err);
}
});
}
if (callback) {
if (typeof callback !== 'function')
throw Error('Illegal callback: '+typeof(callback));
_async(callback);
} else
return new Promise(function(resolve, reject) {
_async(function(err, res) {
if (err) {
reject(err);
return;
}
resolve(res);
});
});
};
/**
* Synchronously generates a hash for the given string.
* @function hashSync
* @param {string} s String to hash
* @param {(number|string)=} salt Salt length to generate or salt to use, default to 10
* @returns {string} Resulting hash
*/
bcrypt.hashSync = function(s, salt) {
if (typeof salt === 'undefined')
salt = GENSALT_DEFAULT_LOG2_ROUNDS;
if (typeof salt === 'number')
salt = bcrypt.genSaltSync(salt);
if (typeof s !== 'string' || typeof salt !== 'string')
throw Error('Illegal arguments: '+(typeof s)+', '+(typeof salt));
return _hash(s, salt);
};
/**
* Asynchronously generates a hash for the given string.
* @param {string} s String to hash
* @param {number|string} salt Salt length to generate or salt to use
* @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting hash
* @param {function(number)=} progressCallback Callback successively called with the percentage of rounds completed
* (0.0 - 1.0), maximally once per `MAX_EXECUTION_TIME = 100` ms.
* @returns {!Promise} If `callback` has been omitted
* @throws {Error} If `callback` is present but not a function
*/
bcrypt.hash = function(s, salt, callback, progressCallback) {
function _async(callback) {
if (typeof s === 'string' && typeof salt === 'number')
bcrypt.genSalt(salt, function(err, salt) {
_hash(s, salt, callback, progressCallback);
});
else if (typeof s === 'string' && typeof salt === 'string')
_hash(s, salt, callback, progressCallback);
else
nextTick(callback.bind(this, Error('Illegal arguments: '+(typeof s)+', '+(typeof salt))));
}
if (callback) {
if (typeof callback !== 'function')
throw Error('Illegal callback: '+typeof(callback));
_async(callback);
} else
return new Promise(function(resolve, reject) {
_async(function(err, res) {
if (err) {
reject(err);
return;
}
resolve(res);
});
});
};
/**
* Compares two strings of the same length in constant time.
* @param {string} known Must be of the correct length
* @param {string} unknown Must be the same length as `known`
* @returns {boolean}
* @inner
*/
function safeStringCompare(known, unknown) {
var diff = known.length ^ unknown.length;
for (var i = 0; i < known.length; ++i) {
diff |= known.charCodeAt(i) ^ unknown.charCodeAt(i);
}
return diff === 0;
}
/**
* Synchronously tests a string against a hash.
* @function compareSync
* @param {string} s String to compare
* @param {string} hash Hash to test against
* @returns {boolean} true if matching, otherwise false
* @throws {Error} If an argument is illegal
*/
bcrypt.compareSync = function(s, hash) {
if (typeof s !== 'string' || typeof hash !== 'string')
throw Error('Illegal arguments: '+(typeof s)+', '+(typeof hash));
if (hash.length !== 60)
return false;
return safeStringCompare(bcrypt.hashSync(s, hash.substr(0, hash.length-31)), hash);
};
/**
* Asynchronously compares the given data against the given hash.
* @param {string} s Data to compare
* @param {string} hash Data to be compared to
* @param {function(Error, boolean)=} callback Callback receiving the error, if any, otherwise the result
* @param {function(number)=} progressCallback Callback successively called with the percentage of rounds completed
* (0.0 - 1.0), maximally once per `MAX_EXECUTION_TIME = 100` ms.
* @returns {!Promise} If `callback` has been omitted
* @throws {Error} If `callback` is present but not a function
*/
bcrypt.compare = function(s, hash, callback, progressCallback) {
function _async(callback) {
if (typeof s !== 'string' || typeof hash !== 'string') {
nextTick(callback.bind(this, Error('Illegal arguments: '+(typeof s)+', '+(typeof hash))));
return;
}
if (hash.length !== 60) {
nextTick(callback.bind(this, null, false));
return;
}
bcrypt.hash(s, hash.substr(0, 29), function(err, comp) {
if (err)
callback(err);
else
callback(null, safeStringCompare(comp, hash));
}, progressCallback);
}
if (callback) {
if (typeof callback !== 'function')
throw Error('Illegal callback: '+typeof(callback));
_async(callback);
} else
return new Promise(function(resolve, reject) {
_async(function(err, res) {
if (err) {
reject(err);
return;
}
resolve(res);
});
});
};
/**
* Gets the number of rounds used to encrypt the specified hash.
* @param {string} hash Hash to extract the used number of rounds from
* @returns {number} Number of rounds used
* @throws {Error} If `hash` is not a string
*/
bcrypt.getRounds = function(hash) {
if (typeof hash !== 'string')
throw Error('Illegal arguments: '+(typeof hash));
return parseInt(hash.split('$')[2], 10);
};
/**
* Gets the salt portion from a hash. Does not validate the hash.
* @param {string} hash Hash to extract the salt from
* @returns {string} Extracted salt part
* @throws {Error} If `hash` is not a string or otherwise invalid
*/
bcrypt.getSalt = function(hash) {
if (typeof hash !== 'string')
throw Error('Illegal arguments: '+(typeof hash));
if (hash.length !== 60)
throw Error('Illegal hash length: '+hash.length+' != 60');
return hash.substring(0, 29);
};
/**
* Continues with the callback on the next tick.
* @function
* @param {function(...[*])} callback Callback to execute
* @inner
*/
// eslint-disable-next-line no-nested-ternary
var nextTick = typeof process !== 'undefined' && process && typeof process.nextTick === 'function'
? (typeof setImmediate === 'function' ? setImmediate : process.nextTick)
: setTimeout;
/** Calculates the byte length of a string encoded as UTF8. */
function utf8Length(string) {
var len = 0,
c = 0;
for (var i = 0; i < string.length; ++i) {
c = string.charCodeAt(i);
if (c < 128)
len += 1;
else if (c < 2048)
len += 2;
else if (
(c & 0xFC00) === 0xD800 &&
(string.charCodeAt(i + 1) & 0xFC00) === 0xDC00
) {
++i;
len += 4;
} else
len += 3;
}
return len;
}
/** Converts a string to an array of UTF8 bytes. */
function utf8Array(string) {
var offset = 0,
c1, c2;
var buffer = new Array(utf8Length(string));
for (var i = 0, k = string.length; i < k; ++i) {
c1 = string.charCodeAt(i);
if (c1 < 128) {
buffer[offset++] = c1;
} else if (c1 < 2048) {
buffer[offset++] = c1 >> 6 | 192;
buffer[offset++] = c1 & 63 | 128;
} else if (
( c1 & 0xFC00) === 0xD800 &&
((c2 = string.charCodeAt(i + 1)) & 0xFC00) === 0xDC00
) {
c1 = 0x10000 + ((c1 & 0x03FF) << 10) + (c2 & 0x03FF);
++i;
buffer[offset++] = c1 >> 18 | 240;
buffer[offset++] = c1 >> 12 & 63 | 128;
buffer[offset++] = c1 >> 6 & 63 | 128;
buffer[offset++] = c1 & 63 | 128;
} else {
buffer[offset++] = c1 >> 12 | 224;
buffer[offset++] = c1 >> 6 & 63 | 128;
buffer[offset++] = c1 & 63 | 128;
}
}
return buffer;
}
/**
* Converts a JavaScript string to UTF8 bytes.
* @function
* @param {string} str String
* @returns {!Array.<number>} UTF8 bytes
* @inner
*/
var stringToBytes = utf8Array;
// A base64 implementation for the bcrypt algorithm. This is partly non-standard.
/**
* bcrypt's own non-standard base64 dictionary.
* @type {!Array.<string>}
* @const
* @inner
**/
var BASE64_CODE = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'.split('');
/**
* @type {!Array.<number>}
* @const
* @inner
**/
var BASE64_INDEX = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0,
1, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, -1, -1, -1, -1, -1, -1,
-1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, -1, -1, -1, -1, -1, -1, 28, 29, 30,
31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, -1, -1, -1, -1, -1];
/**
* @type {!function(...number):string}
* @inner
*/
var stringFromCharCode = String.fromCharCode;
/**
* Encodes a byte array to base64 with up to len bytes of input.
* @param {!Array.<number>} b Byte array
* @param {number} len Maximum input length
* @returns {string}
* @inner
*/
function base64_encode(b, len) {
var off = 0,
rs = [],
c1, c2;
if (len <= 0 || len > b.length)
throw Error('Illegal len: '+len);
while (off < len) {
c1 = b[off++] & 0xff;
rs.push(BASE64_CODE[(c1 >> 2) & 0x3f]);
c1 = (c1 & 0x03) << 4;
if (off >= len) {
rs.push(BASE64_CODE[c1 & 0x3f]);
break;
}
c2 = b[off++] & 0xff;
c1 |= (c2 >> 4) & 0x0f;
rs.push(BASE64_CODE[c1 & 0x3f]);
c1 = (c2 & 0x0f) << 2;
if (off >= len) {
rs.push(BASE64_CODE[c1 & 0x3f]);
break;
}
c2 = b[off++] & 0xff;
c1 |= (c2 >> 6) & 0x03;
rs.push(BASE64_CODE[c1 & 0x3f]);
rs.push(BASE64_CODE[c2 & 0x3f]);
}
return rs.join('');
}
/**
* Decodes a base64 encoded string to up to len bytes of output.
* @param {string} s String to decode
* @param {number} len Maximum output length
* @returns {!Array.<number>}
* @inner
*/
function base64_decode(s, len) {
var off = 0,
slen = s.length,
olen = 0,
rs = [],
c1, c2, c3, c4, o, code;
if (len <= 0)
throw Error('Illegal len: '+len);
while (off < slen - 1 && olen < len) {
code = s.charCodeAt(off++);
c1 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;
code = s.charCodeAt(off++);
c2 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;
if (c1 == -1 || c2 == -1)
break;
o = (c1 << 2) >>> 0;
o |= (c2 & 0x30) >> 4;
rs.push(stringFromCharCode(o));
if (++olen >= len || off >= slen)
break;
code = s.charCodeAt(off++);
c3 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;
if (c3 == -1)
break;
o = ((c2 & 0x0f) << 4) >>> 0;
o |= (c3 & 0x3c) >> 2;
rs.push(stringFromCharCode(o));
if (++olen >= len || off >= slen)
break;
code = s.charCodeAt(off++);
c4 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;
o = ((c3 & 0x03) << 6) >>> 0;
o |= c4;
rs.push(stringFromCharCode(o));
++olen;
}
var res = [];
for (off = 0; off<olen; off++)
res.push(rs[off].charCodeAt(0));
return res;
}
Date.now = Date.now || function() { return +new Date; };
/**
* @type {number}
* @const
* @inner
*/
var BCRYPT_SALT_LEN = 16;
/**
* @type {number}
* @const
* @inner
*/
var GENSALT_DEFAULT_LOG2_ROUNDS = 10;
/**
* @type {number}
* @const
* @inner
*/
var BLOWFISH_NUM_ROUNDS = 16;
/**
* @type {number}
* @const
* @inner
*/
var MAX_EXECUTION_TIME = 100;
/**
* @type {Array.<number>}
* @const
* @inner
*/
var P_ORIG = [
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822,
0x299f31d0, 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377,
0xbe5466cf, 0x34e90c6c, 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5,
0xb5470917, 0x9216d5d9, 0x8979fb1b
];
/**
* @type {Array.<number>}
* @const
* @inner
*/
var S_ORIG = [
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed,
0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7,
0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3,
0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 0xc5d1b023,
0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e,
0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda,
0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af,
0x7c72e993, 0xb3ee1411, 0x636fbc2a, 0x2ba9c55d, 0x741831f6,
0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381,
0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d,
0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5,
0x0f6d6ff3, 0x83f44239, 0x2e0b4482, 0xa4842004, 0x69c8f04a,
0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c,
0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176,
0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3,
0x3b8b5ebe, 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 0x37d0d724,
0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b,
0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, 0x976ce0bd,
0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f,
0x9b30952c, 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd,
0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39,
0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 0x3c7516df,
0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,
0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e,
0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98,
0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 0x9a53e479, 0xb6f84565,
0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341,
0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0,
0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64,
0x8888b812, 0x900df01c, 0x4fad5ea0, 0x688fc31c, 0xd1cff191,
0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0,
0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705,
0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5,
0xfb9d35cf, 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 0x2464369b,
0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f,
0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, 0x11c81968,
0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5,
0x571be91f, 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6,
0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799,
0x6e85076a, 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 0xecaa8c71,
0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29,
0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65, 0x6b8fe4d6,
0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f,
0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286,
0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec,
0x5716f2b8, 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 0xd19113f9,
0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,
0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e,
0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290,
0x24977c79, 0x5679b072, 0xbcaf89af, 0xde9a771f, 0xd9930810,
0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6,
0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847,
0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451,
0x50940002, 0x133ae4dd, 0x71dff89e, 0x10314e55, 0x81ac77d6,
0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570,
0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,
0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978,
0x9c10b36a, 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 0x5223a708,
0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883,
0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5, 0x65582185,
0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830,
0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239,
0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab,
0xb2f3846e, 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 0x9b540b19,
0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,
0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1,
0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef,
0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 0x5d4a14d9, 0xe864b7e3,
0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15,
0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2,
0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492,
0x47848a0b, 0x5692b285, 0x095bbf00, 0xad19489d, 0x1462b174,
0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759,
0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e,
0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc,
0x800bcadc, 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 0xc5c43465,
0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a,
0xe6e39f2b, 0xdb83adf7, 0xe93d5a68, 0x948140f7, 0xf64c261c,
0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e,
0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af,
0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0,
0x31cb8504, 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 0x68dc1462,
0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c,
0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec, 0xce78a399,
0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74,
0xdd5b4332, 0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397,
0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7,
0xd096954b, 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 0xfdf8e802,
0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22,
0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4,
0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2,
0x02e1329e, 0xaf664fd1, 0xcad18115, 0x6b2395e0, 0x333e92e1,
0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c,
0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341,
0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8,
0x991be14c, 0xdb6e6b0d, 0xc67b5510, 0x6d672c37, 0x2765d43b,
0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88,
0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979,
0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc,
0x782ef11c, 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 0x44421659,
0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f,
0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086, 0x60787bf8,
0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be,
0xbde8ae24, 0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2,
0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255,
0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 0xb90bace1,
0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09,
0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025,
0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01,
0xa70683fa, 0xa002b5c4, 0x0de6d027, 0x9af88c27, 0x773f8641,
0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa,
0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409,
0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9,
0x1ac15bb4, 0xd39eb8fc, 0xed545578, 0x08fca5b5, 0xd83d7cd3,
0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234,
0x92638212, 0x670efa8e, 0x406000e0, 0x3a39ce37, 0xd3faf5cf,
0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740,
0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f,
0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d,
0xd5730a1d, 0x4cd04dc6, 0x2939bbdb, 0xa9ba4650, 0xac9526e8,
0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba,
0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1,
0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69,
0x77fa0a59, 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a,
0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b,
0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6, 0x47b0acfd,
0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4,
0x88f46dba, 0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2,
0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb,
0x26dcf319, 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 0x4de81751,
0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,
0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369,
0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd,
0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 0xdda26a7e, 0x3a59ff45,
0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae,
0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08,
0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d,
0x06b89fb4, 0xce6ea048, 0x6f3f3b82, 0x3520ab82, 0x011a1d4b,
0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e,
0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a,
0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c,
0xe0b12b4f, 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 0xfae59361,
0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c,
0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be,
0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d,
0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891,
0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5,
0xf6fb2299, 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 0xde966292,
0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a,
0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2,
0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c,
0xf746ce76, 0x77afa1c5, 0x20756060, 0x85cbfe4e, 0x8ae88dd8,
0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4,
0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
];
/**
* @type {Array.<number>}
* @const
* @inner
*/
var C_ORIG = [
0x4f727068, 0x65616e42, 0x65686f6c, 0x64657253, 0x63727944,
0x6f756274
];
/**
* @param {Array.<number>} lr
* @param {number} off
* @param {Array.<number>} P
* @param {Array.<number>} S
* @returns {Array.<number>}
* @inner
*/
function _encipher(lr, off, P, S) { // This is our bottleneck: 1714/1905 ticks / 90% - see profile.txt
var n,
l = lr[off],
r = lr[off + 1];
l ^= P[0];
/*
for (var i=0, k=BLOWFISH_NUM_ROUNDS-2; i<=k;)
// Feistel substitution on left word
n = S[l >>> 24],
n += S[0x100 | ((l >> 16) & 0xff)],
n ^= S[0x200 | ((l >> 8) & 0xff)],
n += S[0x300 | (l & 0xff)],
r ^= n ^ P[++i],
// Feistel substitution on right word
n = S[r >>> 24],
n += S[0x100 | ((r >> 16) & 0xff)],
n ^= S[0x200 | ((r >> 8) & 0xff)],
n += S[0x300 | (r & 0xff)],
l ^= n ^ P[++i];
*/
//The following is an unrolled version of the above loop.
//Iteration 0
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[1];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[2];
//Iteration 1
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[3];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[4];
//Iteration 2
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[5];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[6];
//Iteration 3
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[7];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[8];
//Iteration 4
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[9];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[10];
//Iteration 5
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[11];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[12];
//Iteration 6
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[13];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[14];
//Iteration 7
n = S[l >>> 24];
n += S[0x100 | ((l >> 16) & 0xff)];
n ^= S[0x200 | ((l >> 8) & 0xff)];
n += S[0x300 | (l & 0xff)];
r ^= n ^ P[15];
n = S[r >>> 24];
n += S[0x100 | ((r >> 16) & 0xff)];
n ^= S[0x200 | ((r >> 8) & 0xff)];
n += S[0x300 | (r & 0xff)];
l ^= n ^ P[16];
lr[off] = r ^ P[BLOWFISH_NUM_ROUNDS + 1];
lr[off + 1] = l;
return lr;
}
/**
* @param {Array.<number>} data
* @param {number} offp
* @returns {{key: number, offp: number}}
* @inner
*/
function _streamtoword(data, offp) {
for (var i = 0, word = 0; i < 4; ++i)
word = (word << 8) | (data[offp] & 0xff),
offp = (offp + 1) % data.length;
return { key: word, offp: offp };
}
/**
* @param {Array.<number>} key
* @param {Array.<number>} P
* @param {Array.<number>} S
* @inner
*/
function _key(key, P, S) {
var offset = 0,
lr = [0, 0],
plen = P.length,
slen = S.length,
sw;
for (var i = 0; i < plen; i++)
sw = _streamtoword(key, offset),
offset = sw.offp,
P[i] = P[i] ^ sw.key;
for (i = 0; i < plen; i += 2)
lr = _encipher(lr, 0, P, S),
P[i] = lr[0],
P[i + 1] = lr[1];
for (i = 0; i < slen; i += 2)
lr = _encipher(lr, 0, P, S),
S[i] = lr[0],
S[i + 1] = lr[1];
}
/**
* Expensive key schedule Blowfish.
* @param {Array.<number>} data
* @param {Array.<number>} key
* @param {Array.<number>} P
* @param {Array.<number>} S
* @inner
*/
function _ekskey(data, key, P, S) {
var offp = 0,
lr = [0, 0],
plen = P.length,
slen = S.length,
sw;
for (var i = 0; i < plen; i++)
sw = _streamtoword(key, offp),
offp = sw.offp,
P[i] = P[i] ^ sw.key;
offp = 0;
for (i = 0; i < plen; i += 2)
sw = _streamtoword(data, offp),
offp = sw.offp,
lr[0] ^= sw.key,
sw = _streamtoword(data, offp),
offp = sw.offp,
lr[1] ^= sw.key,
lr = _encipher(lr, 0, P, S),
P[i] = lr[0],
P[i + 1] = lr[1];
for (i = 0; i < slen; i += 2)
sw = _streamtoword(data, offp),
offp = sw.offp,
lr[0] ^= sw.key,
sw = _streamtoword(data, offp),
offp = sw.offp,
lr[1] ^= sw.key,
lr = _encipher(lr, 0, P, S),
S[i] = lr[0],
S[i + 1] = lr[1];
}
/**
* Internaly crypts a string.
* @param {Array.<number>} b Bytes to crypt
* @param {Array.<number>} salt Salt bytes to use
* @param {number} rounds Number of rounds
* @param {function(Error, Array.<number>=)=} callback Callback receiving the error, if any, and the resulting bytes. If
* omitted, the operation will be performed synchronously.
* @param {function(number)=} progressCallback Callback called with the current progress
* @returns {!Array.<number>|undefined} Resulting bytes if callback has been omitted, otherwise `undefined`
* @inner
*/
function _crypt(b, salt, rounds, callback, progressCallback) {
var cdata = C_ORIG.slice(),
clen = cdata.length,
err;
// Validate
if (rounds < 4 || rounds > 31) {
err = Error('Illegal number of rounds (4-31): '+rounds);
if (callback) {
nextTick(callback.bind(this, err));
return;
} else
throw err;
}
if (salt.length !== BCRYPT_SALT_LEN) {
err =Error('Illegal salt length: '+salt.length+' != '+BCRYPT_SALT_LEN);
if (callback) {
nextTick(callback.bind(this, err));
return;
} else
throw err;
}
rounds = (1 << rounds) >>> 0;
var P, S, i = 0, j;
//Use typed arrays when available - huge speedup!
if (Int32Array) {
P = new Int32Array(P_ORIG);
S = new Int32Array(S_ORIG);
} else {
P = P_ORIG.slice();
S = S_ORIG.slice();
}
_ekskey(salt, b, P, S);
/**
* Calcualtes the next round.
* @returns {Array.<number>|undefined} Resulting array if callback has been omitted, otherwise `undefined`
* @inner
*/
function next() {
if (progressCallback)
progressCallback(i / rounds);
if (i < rounds) {
var start = Date.now();
for (; i < rounds;) {
i = i + 1;
_key(b, P, S);
_key(salt, P, S);
if (Date.now() - start > MAX_EXECUTION_TIME)
break;
}
} else {
for (i = 0; i < 64; i++)
for (j = 0; j < (clen >> 1); j++)
_encipher(cdata, j << 1, P, S);
var ret = [];
for (i = 0; i < clen; i++)
ret.push(((cdata[i] >> 24) & 0xff) >>> 0),
ret.push(((cdata[i] >> 16) & 0xff) >>> 0),
ret.push(((cdata[i] >> 8) & 0xff) >>> 0),
ret.push((cdata[i] & 0xff) >>> 0);
if (callback) {
callback(null, ret);
return;
} else
return ret;
}
if (callback)
nextTick(next);
}
// Async
if (typeof callback !== 'undefined') {
next();
// Sync
} else {
var res;
while (true)
if (typeof(res = next()) !== 'undefined')
return res || [];
}
}
/**
* Internally hashes a string.
* @param {string} s String to hash
* @param {?string} salt Salt to use, actually never null
* @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting hash. If omitted,
* hashing is perormed synchronously.
* @param {function(number)=} progressCallback Callback called with the current progress
* @returns {string|undefined} Resulting hash if callback has been omitted, otherwise `undefined`
* @inner
*/
function _hash(s, salt, callback, progressCallback) {
var err;
if (typeof s !== 'string' || typeof salt !== 'string') {
err = Error('Invalid string / salt: Not a string');
if (callback) {
nextTick(callback.bind(this, err));
return;
}
else
throw err;
}
// Validate the salt
var minor, offset;
if (salt.charAt(0) !== '$' || salt.charAt(1) !== '2') {
err = Error('Invalid salt version: '+salt.substring(0,2));
if (callback) {
nextTick(callback.bind(this, err));
return;
}
else
throw err;
}
if (salt.charAt(2) === '$')
minor = String.fromCharCode(0),
offset = 3;
else {
minor = salt.charAt(2);
if ((minor !== 'a' && minor !== 'b' && minor !== 'y') || salt.charAt(3) !== '$') {
err = Error('Invalid salt revision: '+salt.substring(2,4));
if (callback) {
nextTick(callback.bind(this, err));
return;
} else
throw err;
}
offset = 4;
}
// Extract number of rounds
if (salt.charAt(offset + 2) > '$') {
err = Error('Missing salt rounds');
if (callback) {
nextTick(callback.bind(this, err));
return;
} else
throw err;
}
var r1 = parseInt(salt.substring(offset, offset + 1), 10) * 10,
r2 = parseInt(salt.substring(offset + 1, offset + 2), 10),
rounds = r1 + r2,
real_salt = salt.substring(offset + 3, offset + 25);
s += minor >= 'a' ? '\x00' : '';
var passwordb = stringToBytes(s),
saltb = base64_decode(real_salt, BCRYPT_SALT_LEN);
/**
* Finishes hashing.
* @param {Array.<number>} bytes Byte array
* @returns {string}
* @inner
*/
function finish(bytes) {
var res = [];
res.push('$2');
if (minor >= 'a')
res.push(minor);
res.push('$');
if (rounds < 10)
res.push('0');
res.push(rounds.toString());
res.push('$');
res.push(base64_encode(saltb, saltb.length));
res.push(base64_encode(bytes, C_ORIG.length * 4 - 1));
return res.join('');
}
// Sync
if (typeof callback == 'undefined')
return finish(_crypt(passwordb, saltb, rounds));
// Async
else {
_crypt(passwordb, saltb, rounds, function(err, bytes) {
if (err)
callback(err, null);
else
callback(null, finish(bytes));
}, progressCallback);
}
}
/**
* Encodes a byte array to base64 with up to len bytes of input, using the custom bcrypt alphabet.
* @function
* @param {!Array.<number>} b Byte array
* @param {number} len Maximum input length
* @returns {string}
*/
bcrypt.encodeBase64 = base64_encode;
/**
* Decodes a base64 encoded string to up to len bytes of output, using the custom bcrypt alphabet.
* @function
* @param {string} s String to decode
* @param {number} len Maximum output length
* @returns {!Array.<number>}
*/
bcrypt.decodeBase64 = base64_decode;
return bcrypt;
}));