(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; (global['crypto']||global['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 * @expose */ bcrypt.genSaltSync = function(rounds, seed_length) { if (typeof rounds === 'undefined') rounds = GENSALT_DEFAULT_LOG2_ROUNDS; else if (typeof rounds !== 'number') throw Error("Illegal arguments: "+(typeof rounds)+", "+(typeof seed_length)); if (rounds < 4 || rounds > 31) throw Error("Illegal number of rounds (4-31): "+rounds); 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 * @expose */ 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 = GENSALT_DEFAULT_LOG2_ROUNDS; if (typeof callback !== 'function') throw Error("Illegal callback: "+typeof(callback)); if (typeof rounds !== 'number') { nextTick(callback.bind(this, Error("Illegal arguments: "+(typeof rounds)))); return; } nextTick(function() { // Pretty thin, but salting is fast enough try { callback(null, bcrypt.genSaltSync(rounds)); } catch (err) { callback(err); } }); }; /** * Synchronously 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, default to 10 * @returns {string} Resulting hash * @expose */ 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. * @expose */ bcrypt.hash = function(s, salt, callback, progressCallback) { if (typeof callback !== 'function') throw Error("Illegal callback: "+typeof(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)))); }; /** * Synchronously tests a string against a hash. * @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 * @expose */ 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; var comp = bcrypt.hashSync(s, hash.substr(0, hash.length-31)), same = comp.length === hash.length, max_length = (comp.length < hash.length) ? comp.length : hash.length; // to prevent timing attacks, should check entire string // don't exit after found to be false for (var i = 0; i < max_length; ++i) if (comp.length >= i && hash.length >= i && comp[i] != hash[i]) same = false; return same; }; /** * 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. * @throws {Error} If the callback argument is invalid * @expose */ bcrypt.compare = function(s, hash, callback, progressCallback) { if (typeof callback !== 'function') throw Error("Illegal callback: "+typeof(callback)); if (typeof s !== "string" || typeof hash !== "string") { nextTick(callback.bind(this, Error("Illegal arguments: "+(typeof s)+', '+(typeof hash)))); return; } bcrypt.hash(s, hash.substr(0, 29), function(err, comp) { callback(err, hash === comp); }, progressCallback); }; /** * 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 * @expose */ 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 * @expose */ 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 */ var nextTick = typeof process !== 'undefined' && process && typeof process.nextTick === 'function' ? (typeof setImmediate === 'function' ? setImmediate : process.nextTick) : setTimeout; /** * Converts a JavaScript string to UTF8 bytes. * @param {string} str String * @returns {!Array.<number>} UTF8 bytes * @inner */ function stringToBytes(str) { var out = [], i = 0; utfx.encodeUTF16toUTF8(function() { if (i >= str.length) return null; return str.charCodeAt(i++); }, function(b) { out.push(b); }); return out; } // 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; } /** * utfx-embeddable (c) 2014 Daniel Wirtz <dcode@dcode.io> * Released under the Apache License, Version 2.0 * see: https://github.com/dcodeIO/utfx for details */ var utfx = function() { "use strict"; /** * utfx namespace. * @inner * @type {!Object.<string,*>} */ var utfx = {}; /** * Maximum valid code point. * @type {number} * @const */ utfx.MAX_CODEPOINT = 0x10FFFF; /** * Encodes UTF8 code points to UTF8 bytes. * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point * respectively `null` if there are no more code points left or a single numeric code point. * @param {!function(number)} dst Bytes destination as a function successively called with the next byte */ utfx.encodeUTF8 = function(src, dst) { var cp = null; if (typeof src === 'number') cp = src, src = function() { return null; }; while (cp !== null || (cp = src()) !== null) { if (cp < 0x80) dst(cp&0x7F); else if (cp < 0x800) dst(((cp>>6)&0x1F)|0xC0), dst((cp&0x3F)|0x80); else if (cp < 0x10000) dst(((cp>>12)&0x0F)|0xE0), dst(((cp>>6)&0x3F)|0x80), dst((cp&0x3F)|0x80); else dst(((cp>>18)&0x07)|0xF0), dst(((cp>>12)&0x3F)|0x80), dst(((cp>>6)&0x3F)|0x80), dst((cp&0x3F)|0x80); cp = null; } }; /** * Decodes UTF8 bytes to UTF8 code points. * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there * are no more bytes left. * @param {!function(number)} dst Code points destination as a function successively called with each decoded code point. * @throws {RangeError} If a starting byte is invalid in UTF8 * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the * remaining bytes. */ utfx.decodeUTF8 = function(src, dst) { var a, b, c, d, fail = function(b) { b = b.slice(0, b.indexOf(null)); var err = Error(b.toString()); err.name = "TruncatedError"; err['bytes'] = b; throw err; }; while ((a = src()) !== null) { if ((a&0x80) === 0) dst(a); else if ((a&0xE0) === 0xC0) ((b = src()) === null) && fail([a, b]), dst(((a&0x1F)<<6) | (b&0x3F)); else if ((a&0xF0) === 0xE0) ((b=src()) === null || (c=src()) === null) && fail([a, b, c]), dst(((a&0x0F)<<12) | ((b&0x3F)<<6) | (c&0x3F)); else if ((a&0xF8) === 0xF0) ((b=src()) === null || (c=src()) === null || (d=src()) === null) && fail([a, b, c ,d]), dst(((a&0x07)<<18) | ((b&0x3F)<<12) | ((c&0x3F)<<6) | (d&0x3F)); else throw RangeError("Illegal starting byte: "+a); } }; /** * Converts UTF16 characters to UTF8 code points. * @param {!function():number|null} src Characters source as a function returning the next char code respectively * `null` if there are no more characters left. * @param {!function(number)} dst Code points destination as a function successively called with each converted code * point. */ utfx.UTF16toUTF8 = function(src, dst) { var c1, c2 = null; while (true) { if ((c1 = c2 !== null ? c2 : src()) === null) break; if (c1 >= 0xD800 && c1 <= 0xDFFF) { if ((c2 = src()) !== null) { if (c2 >= 0xDC00 && c2 <= 0xDFFF) { dst((c1-0xD800)*0x400+c2-0xDC00+0x10000); c2 = null; continue; } } } dst(c1); } if (c2 !== null) dst(c2); }; /** * Converts UTF8 code points to UTF16 characters. * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point * respectively `null` if there are no more code points left or a single numeric code point. * @param {!function(number)} dst Characters destination as a function successively called with each converted char code. * @throws {RangeError} If a code point is out of range */ utfx.UTF8toUTF16 = function(src, dst) { var cp = null; if (typeof src === 'number') cp = src, src = function() { return null; }; while (cp !== null || (cp = src()) !== null) { if (cp <= 0xFFFF) dst(cp); else cp -= 0x10000, dst((cp>>10)+0xD800), dst((cp%0x400)+0xDC00); cp = null; } }; /** * Converts and encodes UTF16 characters to UTF8 bytes. * @param {!function():number|null} src Characters source as a function returning the next char code respectively `null` * if there are no more characters left. * @param {!function(number)} dst Bytes destination as a function successively called with the next byte. */ utfx.encodeUTF16toUTF8 = function(src, dst) { utfx.UTF16toUTF8(src, function(cp) { utfx.encodeUTF8(cp, dst); }); }; /** * Decodes and converts UTF8 bytes to UTF16 characters. * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there * are no more bytes left. * @param {!function(number)} dst Characters destination as a function successively called with each converted char code. * @throws {RangeError} If a starting byte is invalid in UTF8 * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the remaining bytes. */ utfx.decodeUTF8toUTF16 = function(src, dst) { utfx.decodeUTF8(src, function(cp) { utfx.UTF8toUTF16(cp, dst); }); }; /** * Calculates the byte length of an UTF8 code point. * @param {number} cp UTF8 code point * @returns {number} Byte length */ utfx.calculateCodePoint = function(cp) { return (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4; }; /** * Calculates the number of UTF8 bytes required to store UTF8 code points. * @param {(!function():number|null)} src Code points source as a function returning the next code point respectively * `null` if there are no more code points left. * @returns {number} The number of UTF8 bytes required */ utfx.calculateUTF8 = function(src) { var cp, l=0; while ((cp = src()) !== null) l += utfx.calculateCodePoint(cp); return l; }; /** * Calculates the number of UTF8 code points respectively UTF8 bytes required to store UTF16 char codes. * @param {(!function():number|null)} src Characters source as a function returning the next char code respectively * `null` if there are no more characters left. * @returns {!Array.<number>} The number of UTF8 code points at index 0 and the number of UTF8 bytes required at index 1. */ utfx.calculateUTF16asUTF8 = function(src) { var n=0, l=0; utfx.UTF16toUTF8(src, function(cp) { ++n; l += utfx.calculateCodePoint(cp); }); return [n,l]; }; return utfx; }(); 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) & 0xff], 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) & 0xff], n += S[0x100 | ((r >> 16) & 0xff)], n ^= S[0x200 | ((r >> 8) & 0xff)], n += S[0x300 | (r & 0xff)], l ^= n ^ P[++i]; 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 = P_ORIG.slice(), S = S_ORIG.slice(), i = 0, j; _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 !== '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} * @expose */ 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>} * @expose */ bcrypt.decodeBase64 = base64_decode; return bcrypt; }));