mirror of
https://github.com/luzhisheng/js_reverse.git
synced 2025-04-19 21:09:52 +08:00
164 lines
7.8 KiB
JavaScript
164 lines
7.8 KiB
JavaScript
var utils = {
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extend: function() {
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var i, name, options, copy, target = arguments[0] || {}, len = arguments.length;
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for (i = 1; i < len; i++)
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if (null !== (options = arguments[i]))
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for (name in options)
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void 0 !== (copy = options[name]) && (target[name] = copy);
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return target
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},
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inArray: function(item, ary) {
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for (var i = 0; i < ary.length; i++)
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if (ary[i] === item)
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return i;
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return -1
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},
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isString: function(o) {
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return "string" == typeof o
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},
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isFunction: function(o) {
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return "function" == typeof o
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},
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isBool: function(o) {
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return "boolean" == typeof o
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},
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bind: function(func, context) {
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return function() {
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func.apply(context, arguments)
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}
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},
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trim: function(str) {
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return this.isString(str) ? str.replace(/^\s+/, "").replace(/\s+$/, "") : str
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},
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param: function(o) {
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var ary = [];
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for (var key in o)
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ary.push(key + "=" + o[key]);
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return ary.join("&")
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},
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url: function(u, o) {
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return u += (/\?/.test(u) ? "&" : "?") + this.param(o)
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},
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md5: function(args) {
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function hex_md5(s) {
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return binl2hex(core_md5(str2binl(s), s.length * chrsz))
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}
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function core_md5(x, len) {
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x[len >> 5] |= 128 << len % 32,
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x[14 + (len + 64 >>> 9 << 4)] = len;
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for (var a = 1732584193, b = -271733879, c = -1732584194, d = 271733878, i = 0; i < x.length; i += 16) {
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var olda = a
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, oldb = b
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, oldc = c
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, oldd = d;
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a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936),
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d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586),
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c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819),
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b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330),
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a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897),
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d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426),
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c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341),
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b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983),
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a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416),
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d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417),
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c = md5_ff(c, d, a, b, x[i + 10], 17, -42063),
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b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162),
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a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682),
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d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101),
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c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290),
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b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329),
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a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510),
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d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632),
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c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713),
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b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302),
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a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691),
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d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083),
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c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335),
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b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848),
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a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438),
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d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690),
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c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961),
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b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501),
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a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467),
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d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784),
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c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473),
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b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734),
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a = md5_hh(a, b, c, d, x[i + 5], 4, -378558),
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d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463),
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c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562),
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b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556),
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a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060),
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d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353),
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c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632),
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b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640),
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a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174),
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d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222),
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c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979),
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b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189),
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a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487),
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d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835),
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c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520),
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b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651),
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a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844),
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d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415),
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c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905),
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b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055),
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a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571),
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d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606),
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c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523),
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b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799),
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a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359),
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d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744),
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c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380),
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b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649),
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a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070),
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d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379),
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c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259),
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b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551),
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a = safe_add(a, olda),
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b = safe_add(b, oldb),
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c = safe_add(c, oldc),
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d = safe_add(d, oldd)
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}
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return Array(a, b, c, d)
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}
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function md5_cmn(q, a, b, x, s, t) {
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return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
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}
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function md5_ff(a, b, c, d, x, s, t) {
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return md5_cmn(b & c | ~b & d, a, b, x, s, t)
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}
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function md5_gg(a, b, c, d, x, s, t) {
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return md5_cmn(b & d | c & ~d, a, b, x, s, t)
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}
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function md5_hh(a, b, c, d, x, s, t) {
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return md5_cmn(b ^ c ^ d, a, b, x, s, t)
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}
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function md5_ii(a, b, c, d, x, s, t) {
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return md5_cmn(c ^ (b | ~d), a, b, x, s, t)
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}
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function safe_add(x, y) {
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var lsw = (65535 & x) + (65535 & y);
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return (x >> 16) + (y >> 16) + (lsw >> 16) << 16 | 65535 & lsw
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}
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function bit_rol(num, cnt) {
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return num << cnt | num >>> 32 - cnt
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}
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function str2binl(str) {
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for (var bin = Array(), mask = (1 << chrsz) - 1, i = 0; i < str.length * chrsz; i += chrsz)
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bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << i % 32;
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return bin
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}
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function binl2hex(binarray) {
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for (var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef", str = "", i = 0; i < 4 * binarray.length; i++)
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str += hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 + 4 & 15) + hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 & 15);
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return str
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}
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var hexcase = 0
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, chrsz = 8;
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return hex_md5(args)
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}
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};
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console.log(utils.md5("123456"));
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