yyq_wxapp/util/crypto.js

// Global Crypto object
var Crypto = {};

/*
 * Crypto-JS v1.1.0
 * http://code.google.com/p/crypto-js/
 * Copyright (c) 2009, Jeff Mott. All rights reserved.
 * http://code.google.com/p/crypto-js/wiki/License
 */
(function () { var b = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var a = Crypto.util = { rotl: function (d, c) { return (d << c) | (d >>> (32 - c)) }, rotr: function (d, c) { return (d << (32 - c)) | (d >>> c) }, endian: function (d) { if (d.constructor == Number) { return a.rotl(d, 8) & 16711935 | a.rotl(d, 24) & 4278255360 } for (var c = 0; c < d.length; c++) { d[c] = a.endian(d[c]) } return d }, randomBytes: function (d) { for (var c = []; d > 0; d--) { c.push(Math.floor(Math.random() * 256)) } return c }, stringToBytes: function (e) { var c = []; for (var d = 0; d < e.length; d++) { c.push(e.charCodeAt(d)) } return c }, bytesToString: function (c) { var e = []; for (var d = 0; d < c.length; d++) { e.push(String.fromCharCode(c[d])) } return e.join("") }, stringToWords: function (f) { var e = []; for (var g = 0, d = 0; g < f.length; g++ , d += 8) { e[d >>> 5] |= f.charCodeAt(g) << (24 - d % 32) } return e }, bytesToWords: function (d) { var f = []; for (var e = 0, c = 0; e < d.length; e++ , c += 8) { f[c >>> 5] |= d[e] << (24 - c % 32) } return f }, wordsToBytes: function (e) { var d = []; for (var c = 0; c < e.length * 32; c += 8) { d.push((e[c >>> 5] >>> (24 - c % 32)) & 255) } return d }, bytesToHex: function (c) { var e = []; for (var d = 0; d < c.length; d++) { e.push((c[d] >>> 4).toString(16)); e.push((c[d] & 15).toString(16)) } return e.join("") }, hexToBytes: function (e) { var d = []; for (var f = 0; f < e.length; f += 2) { d.push(parseInt(e.substr(f, 2), 16)) } return d }, bytesToBase64: function (d) { if (typeof btoa == "function") { return btoa(a.bytesToString(d)) } var c = [], f; for (var e = 0; e < d.length; e++) { switch (e % 3) { case 0: c.push(b.charAt(d[e] >>> 2)); f = (d[e] & 3) << 4; break; case 1: c.push(b.charAt(f | (d[e] >>> 4))); f = (d[e] & 15) << 2; break; case 2: c.push(b.charAt(f | (d[e] >>> 6))); c.push(b.charAt(d[e] & 63)); f = -1 } } if (f != undefined && f != -1) { c.push(b.charAt(f)) } while (c.length % 4 != 0) { c.push("=") } return c.join("") }, base64ToBytes: function (d) { if (typeof atob == "function") { return a.stringToBytes(atob(d)) } d = d.replace(/[^A-Z0-9+\/]/ig, ""); var c = []; for (var e = 0; e < d.length; e++) { switch (e % 4) { case 1: c.push((b.indexOf(d.charAt(e - 1)) << 2) | (b.indexOf(d.charAt(e)) >>> 4)); break; case 2: c.push(((b.indexOf(d.charAt(e - 1)) & 15) << 4) | (b.indexOf(d.charAt(e)) >>> 2)); break; case 3: c.push(((b.indexOf(d.charAt(e - 1)) & 3) << 6) | (b.indexOf(d.charAt(e)))); break } } return c } }; Crypto.mode = {} })(); (function () { var a = Crypto.util; var b = Crypto.SHA1 = function (e, c) { var d = a.wordsToBytes(b._sha1(e)); return c && c.asBytes ? d : c && c.asString ? a.bytesToString(d) : a.bytesToHex(d) }; b._sha1 = function (k) { var u = a.stringToWords(k), v = k.length * 8, o = [], q = 1732584193, p = -271733879, h = -1732584194, g = 271733878, f = -1009589776; u[v >> 5] |= 128 << (24 - v % 32); u[((v + 64 >>> 9) << 4) + 15] = v; for (var y = 0; y < u.length; y += 16) { var D = q, C = p, B = h, A = g, z = f; for (var x = 0; x < 80; x++) { if (x < 16) { o[x] = u[y + x] } else { var s = o[x - 3] ^ o[x - 8] ^ o[x - 14] ^ o[x - 16]; o[x] = (s << 1) | (s >>> 31) } var r = ((q << 5) | (q >>> 27)) + f + (o[x] >>> 0) + (x < 20 ? (p & h | ~p & g) + 1518500249 : x < 40 ? (p ^ h ^ g) + 1859775393 : x < 60 ? (p & h | p & g | h & g) - 1894007588 : (p ^ h ^ g) - 899497514); f = g; g = h; h = (p << 30) | (p >>> 2); p = q; q = r } q += D; p += C; h += B; g += A; f += z } return [q, p, h, g, f] }; b._blocksize = 16 })();


(function () {

  // Shortcut
  var util = Crypto.util;

  Crypto.HMAC = function (hasher, message, key, options) {

    // Allow arbitrary length keys
    key = key.length > hasher._blocksize * 4 ?
      hasher(key, { asBytes: true }) :
      util.stringToBytes(key);

    // XOR keys with pad constants
    var okey = key,
      ikey = key.slice(0);
    for (var i = 0; i < hasher._blocksize * 4; i++) {
      okey[i] ^= 0x5C;
      ikey[i] ^= 0x36;
    }

    var hmacbytes = hasher(util.bytesToString(okey) +
      hasher(util.bytesToString(ikey) + message, { asString: true }),
      { asBytes: true });
    return options && options.asBytes ? hmacbytes :
      options && options.asString ? util.bytesToString(hmacbytes) :
        util.bytesToHex(hmacbytes);

  };

})();

module.exports = Crypto;