AEC_js的加解密

后台传出来，前端就需要转出，前台传入，后台也需要转出

这是前端加解密

/*
CryptoJS v3.1.2
*/
var CryptoJS = CryptoJS || function(u, p) {
  var d = {},
    l = d.lib = {},
    s = function() {},
    t = l.Base = {
      extend: function(a) {
        s.prototype = this;
        var c = new s;
        a && c.mixIn(a);
        c.hasOwnProperty("init") || (c.init = function() {
          c.$super.init.apply(this, arguments)
        });
        c.init.prototype = c;
        c.$super = this;
        return c
      },
      create: function() {
        var a = this.extend();
        a.init.apply(a, arguments);
        return a
      },
      init: function() {},
      mixIn: function(a) {
        for (var c in a) a.hasOwnProperty(c) && (this[c] = a[c]);
        a.hasOwnProperty("toString") && (this.toString = a.toString)
      },
      clone: function() {
        return this.init.prototype.extend(this)
      }
    },
    r = l.WordArray = t.extend({
      init: function(a, c) {
        a = this.words = a || [];
        this.sigBytes = c != p ? c : 4 * a.length
      },
      toString: function(a) {
        return (a || v).stringify(this)
      },
      concat: function(a) {
        var c = this.words,
          e = a.words,
          j = this.sigBytes;
        a = a.sigBytes;
        this.clamp();
        if (j % 4)
          for (var k = 0; k < a; k++) c[j + k >>> 2] |= (e[k >>> 2] >>> 24 - 8 * (k % 4) & 255) << 24 - 8 * ((j + k) % 4);
        else if (65535 < e.length)
          for (k = 0; k < a; k += 4) c[j + k >>> 2] = e[k >>> 2];
        else c.push.apply(c, e);
        this.sigBytes += a;
        return this
      },
      clamp: function() {
        var a = this.words,
          c = this.sigBytes;
        a[c >>> 2] &= 4294967295 <<
          32 - 8 * (c % 4);
        a.length = u.ceil(c / 4)
      },
      clone: function() {
        var a = t.clone.call(this);
        a.words = this.words.slice(0);
        return a
      },
      random: function(a) {
        for (var c = [], e = 0; e < a; e += 4) c.push(4294967296 * u.random() | 0);
        return new r.init(c, a)
      }
    }),
    w = d.enc = {},
    v = w.Hex = {
      stringify: function(a) {
        var c = a.words;
        a = a.sigBytes;
        for (var e = [], j = 0; j < a; j++) {
          var k = c[j >>> 2] >>> 24 - 8 * (j % 4) & 255;
          e.push((k >>> 4).toString(16));
          e.push((k & 15).toString(16))
        }
        return e.join("")
      },
      parse: function(a) {
        for (var c = a.length, e = [], j = 0; j < c; j += 2) e[j >>> 3] |= parseInt(a.substr(j,
          2), 16) << 24 - 4 * (j % 8);
        return new r.init(e, c / 2)
      }
    },
    b = w.Latin1 = {
      stringify: function(a) {
        var c = a.words;
        a = a.sigBytes;
        for (var e = [], j = 0; j < a; j++) e.push(String.fromCharCode(c[j >>> 2] >>> 24 - 8 * (j % 4) & 255));
        return e.join("")
      },
      parse: function(a) {
        for (var c = a.length, e = [], j = 0; j < c; j++) e[j >>> 2] |= (a.charCodeAt(j) & 255) << 24 - 8 * (j % 4);
        return new r.init(e, c)
      }
    },
    x = w.Utf8 = {
      stringify: function(a) {
        try {
          return decodeURIComponent(escape(b.stringify(a)))
        } catch (c) {
          throw Error("Malformed UTF-8 data");
        }
      },
      parse: function(a) {
        return b.parse(unescape(encodeURIComponent(a)))
      }
    },
    q = l.BufferedBlockAlgorithm = t.extend({
      reset: function() {
        this._data = new r.init;
        this._nDataBytes = 0
      },
      _append: function(a) {
        "string" == typeof a && (a = x.parse(a));
        this._data.concat(a);
        this._nDataBytes += a.sigBytes
      },
      _process: function(a) {
        var c = this._data,
          e = c.words,
          j = c.sigBytes,
          k = this.blockSize,
          b = j / (4 * k),
          b = a ? u.ceil(b) : u.max((b | 0) - this._minBufferSize, 0);
        a = b * k;
        j = u.min(4 * a, j);
        if (a) {
          for (var q = 0; q < a; q += k) this._doProcessBlock(e, q);
          q = e.splice(0, a);
          c.sigBytes -= j
        }
        return new r.init(q, j)
      },
      clone: function() {
        var a = t.clone.call(this);
        a._data = this._data.clone();
        return a
      },
      _minBufferSize: 0
    });
  l.Hasher = q.extend({
    cfg: t.extend(),
    init: function(a) {
      this.cfg = this.cfg.extend(a);
      this.reset()
    },
    reset: function() {
      q.reset.call(this);
      this._doReset()
    },
    update: function(a) {
      this._append(a);
      this._process();
      return this
    },
    finalize: function(a) {
      a && this._append(a);
      return this._doFinalize()
    },
    blockSize: 16,
    _createHelper: function(a) {
      return function(b, e) {
        return (new a.init(e)).finalize(b)
      }
    },
    _createHmacHelper: function(a) {
      return function(b, e) {
        return (new n.HMAC.init(a,
          e)).finalize(b)
      }
    }
  });
  var n = d.algo = {};
  return d
}(Math);
(function() {
  var u = CryptoJS,
    p = u.lib.WordArray;
  u.enc.Base64 = {
    stringify: function(d) {
      var l = d.words,
        p = d.sigBytes,
        t = this._map;
      d.clamp();
      d = [];
      for (var r = 0; r < p; r += 3)
        for (var w = (l[r >>> 2] >>> 24 - 8 * (r % 4) & 255) << 16 | (l[r + 1 >>> 2] >>> 24 - 8 * ((r + 1) % 4) & 255) << 8 | l[r + 2 >>> 2] >>> 24 - 8 * ((r + 2) % 4) & 255, v = 0; 4 > v && r + 0.75 * v < p; v++) d.push(t.charAt(w >>> 6 * (3 - v) & 63));
      if (l = t.charAt(64))
        for (; d.length % 4;) d.push(l);
      return d.join("")
    },
    parse: function(d) {
      var l = d.length,
        s = this._map,
        t = s.charAt(64);
      t && (t = d.indexOf(t), -1 != t && (l = t));
      for (var t = [], r = 0, w = 0; w <
        l; w++)
        if (w % 4) {
          var v = s.indexOf(d.charAt(w - 1)) << 2 * (w % 4),
            b = s.indexOf(d.charAt(w)) >>> 6 - 2 * (w % 4);
          t[r >>> 2] |= (v | b) << 24 - 8 * (r % 4);
          r++
        }
      return p.create(t, r)
    },
    _map: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
  }
})();
(function(u) {
  function p(b, n, a, c, e, j, k) {
    b = b + (n & a | ~n & c) + e + k;
    return (b << j | b >>> 32 - j) + n
  }

  function d(b, n, a, c, e, j, k) {
    b = b + (n & c | a & ~c) + e + k;
    return (b << j | b >>> 32 - j) + n
  }

  function l(b, n, a, c, e, j, k) {
    b = b + (n ^ a ^ c) + e + k;
    return (b << j | b >>> 32 - j) + n
  }

  function s(b, n, a, c, e, j, k) {
    b = b + (a ^ (n | ~c)) + e + k;
    return (b << j | b >>> 32 - j) + n
  }
  for (var t = CryptoJS, r = t.lib, w = r.WordArray, v = r.Hasher, r = t.algo, b = [], x = 0; 64 > x; x++) b[x] = 4294967296 * u.abs(u.sin(x + 1)) | 0;
  r = r.MD5 = v.extend({
    _doReset: function() {
      this._hash = new w.init([1732584193, 4023233417, 2562383102, 271733878])
    },
    _doProcessBlock: function(q, n) {
      for (var a = 0; 16 > a; a++) {
        var c = n + a,
          e = q[c];
        q[c] = (e << 8 | e >>> 24) & 16711935 | (e << 24 | e >>> 8) & 4278255360
      }
      var a = this._hash.words,
        c = q[n + 0],
        e = q[n + 1],
        j = q[n + 2],
        k = q[n + 3],
        z = q[n + 4],
        r = q[n + 5],
        t = q[n + 6],
        w = q[n + 7],
        v = q[n + 8],
        A = q[n + 9],
        B = q[n + 10],
        C = q[n + 11],
        u = q[n + 12],
        D = q[n + 13],
        E = q[n + 14],
        x = q[n + 15],
        f = a[0],
        m = a[1],
        g = a[2],
        h = a[3],
        f = p(f, m, g, h, c, 7, b[0]),
        h = p(h, f, m, g, e, 12, b[1]),
        g = p(g, h, f, m, j, 17, b[2]),
        m = p(m, g, h, f, k, 22, b[3]),
        f = p(f, m, g, h, z, 7, b[4]),
        h = p(h, f, m, g, r, 12, b[5]),
        g = p(g, h, f, m, t, 17, b[6]),
        m = p(m, g, h, f, w, 22, b[7]),
        f = p(f, m, g, h, v, 7, b[8]),
        h = p(h, f, m, g, A, 12, b[9]),
        g = p(g, h, f, m, B, 17, b[10]),
        m = p(m, g, h, f, C, 22, b[11]),
        f = p(f, m, g, h, u, 7, b[12]),
        h = p(h, f, m, g, D, 12, b[13]),
        g = p(g, h, f, m, E, 17, b[14]),
        m = p(m, g, h, f, x, 22, b[15]),
        f = d(f, m, g, h, e, 5, b[16]),
        h = d(h, f, m, g, t, 9, b[17]),
        g = d(g, h, f, m, C, 14, b[18]),
        m = d(m, g, h, f, c, 20, b[19]),
        f = d(f, m, g, h, r, 5, b[20]),
        h = d(h, f, m, g, B, 9, b[21]),
        g = d(g, h, f, m, x, 14, b[22]),
        m = d(m, g, h, f, z, 20, b[23]),
        f = d(f, m, g, h, A, 5, b[24]),
        h = d(h, f, m, g, E, 9, b[25]),
        g = d(g, h, f, m, k, 14, b[26]),
        m = d(m, g, h, f, v, 20, b[27]),
        f = d(f, m, g, h, D, 5, b[28]),
        h = d(h, f,
          m, g, j, 9, b[29]),
        g = d(g, h, f, m, w, 14, b[30]),
        m = d(m, g, h, f, u, 20, b[31]),
        f = l(f, m, g, h, r, 4, b[32]),
        h = l(h, f, m, g, v, 11, b[33]),
        g = l(g, h, f, m, C, 16, b[34]),
        m = l(m, g, h, f, E, 23, b[35]),
        f = l(f, m, g, h, e, 4, b[36]),
        h = l(h, f, m, g, z, 11, b[37]),
        g = l(g, h, f, m, w, 16, b[38]),
        m = l(m, g, h, f, B, 23, b[39]),
        f = l(f, m, g, h, D, 4, b[40]),
        h = l(h, f, m, g, c, 11, b[41]),
        g = l(g, h, f, m, k, 16, b[42]),
        m = l(m, g, h, f, t, 23, b[43]),
        f = l(f, m, g, h, A, 4, b[44]),
        h = l(h, f, m, g, u, 11, b[45]),
        g = l(g, h, f, m, x, 16, b[46]),
        m = l(m, g, h, f, j, 23, b[47]),
        f = s(f, m, g, h, c, 6, b[48]),
        h = s(h, f, m, g, w, 10, b[49]),
        g = s(g, h, f, m,
          E, 15, b[50]),
        m = s(m, g, h, f, r, 21, b[51]),
        f = s(f, m, g, h, u, 6, b[52]),
        h = s(h, f, m, g, k, 10, b[53]),
        g = s(g, h, f, m, B, 15, b[54]),
        m = s(m, g, h, f, e, 21, b[55]),
        f = s(f, m, g, h, v, 6, b[56]),
        h = s(h, f, m, g, x, 10, b[57]),
        g = s(g, h, f, m, t, 15, b[58]),
        m = s(m, g, h, f, D, 21, b[59]),
        f = s(f, m, g, h, z, 6, b[60]),
        h = s(h, f, m, g, C, 10, b[61]),
        g = s(g, h, f, m, j, 15, b[62]),
        m = s(m, g, h, f, A, 21, b[63]);
      a[0] = a[0] + f | 0;
      a[1] = a[1] + m | 0;
      a[2] = a[2] + g | 0;
      a[3] = a[3] + h | 0
    },
    _doFinalize: function() {
      var b = this._data,
        n = b.words,
        a = 8 * this._nDataBytes,
        c = 8 * b.sigBytes;
      n[c >>> 5] |= 128 << 24 - c % 32;
      var e = u.floor(a /
        4294967296);
      n[(c + 64 >>> 9 << 4) + 15] = (e << 8 | e >>> 24) & 16711935 | (e << 24 | e >>> 8) & 4278255360;
      n[(c + 64 >>> 9 << 4) + 14] = (a << 8 | a >>> 24) & 16711935 | (a << 24 | a >>> 8) & 4278255360;
      b.sigBytes = 4 * (n.length + 1);
      this._process();
      b = this._hash;
      n = b.words;
      for (a = 0; 4 > a; a++) c = n[a], n[a] = (c << 8 | c >>> 24) & 16711935 | (c << 24 | c >>> 8) & 4278255360;
      return b
    },
    clone: function() {
      var b = v.clone.call(this);
      b._hash = this._hash.clone();
      return b
    }
  });
  t.MD5 = v._createHelper(r);
  t.HmacMD5 = v._createHmacHelper(r)
})(Math);
(function() {
  var u = CryptoJS,
    p = u.lib,
    d = p.Base,
    l = p.WordArray,
    p = u.algo,
    s = p.EvpKDF = d.extend({
      cfg: d.extend({
        keySize: 4,
        hasher: p.MD5,
        iterations: 1
      }),
      init: function(d) {
        this.cfg = this.cfg.extend(d)
      },
      compute: function(d, r) {
        for (var p = this.cfg, s = p.hasher.create(), b = l.create(), u = b.words, q = p.keySize, p = p.iterations; u.length < q;) {
          n && s.update(n);
          var n = s.update(d).finalize(r);
          s.reset();
          for (var a = 1; a < p; a++) n = s.finalize(n), s.reset();
          b.concat(n)
        }
        b.sigBytes = 4 * q;
        return b
      }
    });
  u.EvpKDF = function(d, l, p) {
    return s.create(p).compute(d,
      l)
  }
})();
CryptoJS.lib.Cipher || function(u) {
  var p = CryptoJS,
    d = p.lib,
    l = d.Base,
    s = d.WordArray,
    t = d.BufferedBlockAlgorithm,
    r = p.enc.Base64,
    w = p.algo.EvpKDF,
    v = d.Cipher = t.extend({
      cfg: l.extend(),
      createEncryptor: function(e, a) {
        return this.create(this._ENC_XFORM_MODE, e, a)
      },
      createDecryptor: function(e, a) {
        return this.create(this._DEC_XFORM_MODE, e, a)
      },
      init: function(e, a, b) {
        this.cfg = this.cfg.extend(b);
        this._xformMode = e;
        this._key = a;
        this.reset()
      },
      reset: function() {
        t.reset.call(this);
        this._doReset()
      },
      process: function(e) {
        this._append(e);
        return this._process()
      },
      finalize: function(e) {
        e && this._append(e);
        return this._doFinalize()
      },
      keySize: 4,
      ivSize: 4,
      _ENC_XFORM_MODE: 1,
      _DEC_XFORM_MODE: 2,
      _createHelper: function(e) {
        return {
          encrypt: function(b, k, d) {
            return ("string" == typeof k ? c : a).encrypt(e, b, k, d)
          },
          decrypt: function(b, k, d) {
            return ("string" == typeof k ? c : a).decrypt(e, b, k, d)
          }
        }
      }
    });
  d.StreamCipher = v.extend({
    _doFinalize: function() {
      return this._process(!0)
    },
    blockSize: 1
  });
  var b = p.mode = {},
    x = function(e, a, b) {
      var c = this._iv;
      c ? this._iv = u : c = this._prevBlock;
      for (var d = 0; d < b; d++) e[a + d] ^=
        c[d]
    },
    q = (d.BlockCipherMode = l.extend({
      createEncryptor: function(e, a) {
        return this.Encryptor.create(e, a)
      },
      createDecryptor: function(e, a) {
        return this.Decryptor.create(e, a)
      },
      init: function(e, a) {
        this._cipher = e;
        this._iv = a
      }
    })).extend();
  q.Encryptor = q.extend({
    processBlock: function(e, a) {
      var b = this._cipher,
        c = b.blockSize;
      x.call(this, e, a, c);
      b.encryptBlock(e, a);
      this._prevBlock = e.slice(a, a + c)
    }
  });
  q.Decryptor = q.extend({
    processBlock: function(e, a) {
      var b = this._cipher,
        c = b.blockSize,
        d = e.slice(a, a + c);
      b.decryptBlock(e, a);
      x.call(this,
        e, a, c);
      this._prevBlock = d
    }
  });
  b = b.CBC = q;
  q = (p.pad = {}).Pkcs7 = {
    pad: function(a, b) {
      for (var c = 4 * b, c = c - a.sigBytes % c, d = c << 24 | c << 16 | c << 8 | c, l = [], n = 0; n < c; n += 4) l.push(d);
      c = s.create(l, c);
      a.concat(c)
    },
    unpad: function(a) {
      a.sigBytes -= a.words[a.sigBytes - 1 >>> 2] & 255
    }
  };
  d.BlockCipher = v.extend({
    cfg: v.cfg.extend({
      mode: b,
      padding: q
    }),
    reset: function() {
      v.reset.call(this);
      var a = this.cfg,
        b = a.iv,
        a = a.mode;
      if (this._xformMode == this._ENC_XFORM_MODE) var c = a.createEncryptor;
      else c = a.createDecryptor, this._minBufferSize = 1;
      this._mode = c.call(a,
        this, b && b.words)
    },
    _doProcessBlock: function(a, b) {
      this._mode.processBlock(a, b)
    },
    _doFinalize: function() {
      var a = this.cfg.padding;
      if (this._xformMode == this._ENC_XFORM_MODE) {
        a.pad(this._data, this.blockSize);
        var b = this._process(!0)
      } else b = this._process(!0), a.unpad(b);
      return b
    },
    blockSize: 4
  });
  var n = d.CipherParams = l.extend({
      init: function(a) {
        this.mixIn(a)
      },
      toString: function(a) {
        return (a || this.formatter).stringify(this)
      }
    }),
    b = (p.format = {}).OpenSSL = {
      stringify: function(a) {
        var b = a.ciphertext;
        a = a.salt;
        return (a ? s.create([1398893684,
          1701076831
        ]).concat(a).concat(b) : b).toString(r)
      },
      parse: function(a) {
        a = r.parse(a);
        var b = a.words;
        if (1398893684 == b[0] && 1701076831 == b[1]) {
          var c = s.create(b.slice(2, 4));
          b.splice(0, 4);
          a.sigBytes -= 16
        }
        return n.create({
          ciphertext: a,
          salt: c
        })
      }
    },
    a = d.SerializableCipher = l.extend({
      cfg: l.extend({
        format: b
      }),
      encrypt: function(a, b, c, d) {
        d = this.cfg.extend(d);
        var l = a.createEncryptor(c, d);
        b = l.finalize(b);
        l = l.cfg;
        return n.create({
          ciphertext: b,
          key: c,
          iv: l.iv,
          algorithm: a,
          mode: l.mode,
          padding: l.padding,
          blockSize: a.blockSize,
          formatter: d.format
        })
      },
      decrypt: function(a, b, c, d) {
        d = this.cfg.extend(d);
        b = this._parse(b, d.format);
        return a.createDecryptor(c, d).finalize(b.ciphertext)
      },
      _parse: function(a, b) {
        return "string" == typeof a ? b.parse(a, this) : a
      }
    }),
    p = (p.kdf = {}).OpenSSL = {
      execute: function(a, b, c, d) {
        d || (d = s.random(8));
        a = w.create({
          keySize: b + c
        }).compute(a, d);
        c = s.create(a.words.slice(b), 4 * c);
        a.sigBytes = 4 * b;
        return n.create({
          key: a,
          iv: c,
          salt: d
        })
      }
    },
    c = d.PasswordBasedCipher = a.extend({
      cfg: a.cfg.extend({
        kdf: p
      }),
      encrypt: function(b, c, d, l) {
        l = this.cfg.extend(l);
        d = l.kdf.execute(d,
          b.keySize, b.ivSize);
        l.iv = d.iv;
        b = a.encrypt.call(this, b, c, d.key, l);
        b.mixIn(d);
        return b
      },
      decrypt: function(b, c, d, l) {
        l = this.cfg.extend(l);
        c = this._parse(c, l.format);
        d = l.kdf.execute(d, b.keySize, b.ivSize, c.salt);
        l.iv = d.iv;
        return a.decrypt.call(this, b, c, d.key, l)
      }
    })
}();
(function() {
  for (var u = CryptoJS, p = u.lib.BlockCipher, d = u.algo, l = [], s = [], t = [], r = [], w = [], v = [], b = [], x = [], q = [], n = [], a = [], c = 0; 256 > c; c++) a[c] = 128 > c ? c << 1 : c << 1 ^ 283;
  for (var e = 0, j = 0, c = 0; 256 > c; c++) {
    var k = j ^ j << 1 ^ j << 2 ^ j << 3 ^ j << 4,
      k = k >>> 8 ^ k & 255 ^ 99;
    l[e] = k;
    s[k] = e;
    var z = a[e],
      F = a[z],
      G = a[F],
      y = 257 * a[k] ^ 16843008 * k;
    t[e] = y << 24 | y >>> 8;
    r[e] = y << 16 | y >>> 16;
    w[e] = y << 8 | y >>> 24;
    v[e] = y;
    y = 16843009 * G ^ 65537 * F ^ 257 * z ^ 16843008 * e;
    b[k] = y << 24 | y >>> 8;
    x[k] = y << 16 | y >>> 16;
    q[k] = y << 8 | y >>> 24;
    n[k] = y;
    e ? (e = z ^ a[a[a[G ^ z]]], j ^= a[a[j]]) : e = j = 1
  }
  var H = [0, 1, 2, 4, 8,
      16, 32, 64, 128, 27, 54
    ],
    d = d.AES = p.extend({
      _doReset: function() {
        for (var a = this._key, c = a.words, d = a.sigBytes / 4, a = 4 * ((this._nRounds = d + 6) + 1), e = this._keySchedule = [], j = 0; j < a; j++)
          if (j < d) e[j] = c[j];
          else {
            var k = e[j - 1];
            j % d ? 6 < d && 4 == j % d && (k = l[k >>> 24] << 24 | l[k >>> 16 & 255] << 16 | l[k >>> 8 & 255] << 8 | l[k & 255]) : (k = k << 8 | k >>> 24, k = l[k >>> 24] << 24 | l[k >>> 16 & 255] << 16 | l[k >>> 8 & 255] << 8 | l[k & 255], k ^= H[j / d | 0] << 24);
            e[j] = e[j - d] ^ k
          }
        c = this._invKeySchedule = [];
        for (d = 0; d < a; d++) j = a - d, k = d % 4 ? e[j] : e[j - 4], c[d] = 4 > d || 4 >= j ? k : b[l[k >>> 24]] ^ x[l[k >>> 16 & 255]] ^ q[l[k >>>
          8 & 255]] ^ n[l[k & 255]]
      },
      encryptBlock: function(a, b) {
        this._doCryptBlock(a, b, this._keySchedule, t, r, w, v, l)
      },
      decryptBlock: function(a, c) {
        var d = a[c + 1];
        a[c + 1] = a[c + 3];
        a[c + 3] = d;
        this._doCryptBlock(a, c, this._invKeySchedule, b, x, q, n, s);
        d = a[c + 1];
        a[c + 1] = a[c + 3];
        a[c + 3] = d
      },
      _doCryptBlock: function(a, b, c, d, e, j, l, f) {
        for (var m = this._nRounds, g = a[b] ^ c[0], h = a[b + 1] ^ c[1], k = a[b + 2] ^ c[2], n = a[b + 3] ^ c[3], p = 4, r = 1; r < m; r++) var q = d[g >>> 24] ^ e[h >>> 16 & 255] ^ j[k >>> 8 & 255] ^ l[n & 255] ^ c[p++],
          s = d[h >>> 24] ^ e[k >>> 16 & 255] ^ j[n >>> 8 & 255] ^ l[g & 255] ^ c[p++],
          t =
          d[k >>> 24] ^ e[n >>> 16 & 255] ^ j[g >>> 8 & 255] ^ l[h & 255] ^ c[p++],
          n = d[n >>> 24] ^ e[g >>> 16 & 255] ^ j[h >>> 8 & 255] ^ l[k & 255] ^ c[p++],
          g = q,
          h = s,
          k = t;
        q = (f[g >>> 24] << 24 | f[h >>> 16 & 255] << 16 | f[k >>> 8 & 255] << 8 | f[n & 255]) ^ c[p++];
        s = (f[h >>> 24] << 24 | f[k >>> 16 & 255] << 16 | f[n >>> 8 & 255] << 8 | f[g & 255]) ^ c[p++];
        t = (f[k >>> 24] << 24 | f[n >>> 16 & 255] << 16 | f[g >>> 8 & 255] << 8 | f[h & 255]) ^ c[p++];
        n = (f[n >>> 24] << 24 | f[g >>> 16 & 255] << 16 | f[h >>> 8 & 255] << 8 | f[k & 255]) ^ c[p++];
        a[b] = q;
        a[b + 1] = s;
        a[b + 2] = t;
        a[b + 3] = n
      },
      keySize: 8
    });
  u.AES = p._createHelper(d)
})();

var key = ''; //对应后台的Key
var iv = ""; //对应后台的AEC_IV
/*AES加密*/
function encryptByAES(message) {
    var keyHex = CryptoJS.enc.Utf8.parse(key);
    var ivHex = CryptoJS.enc.Utf8.parse(iv);
    var msg = CryptoJS.enc.Utf8.parse(message);
    var encrypted = CryptoJS.AES.encrypt(msg, keyHex, {
        iv: ivHex,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    return encrypted.ciphertext.toString();
}
/*AES  ECB模式解密*/
function decryptByDESModeAES(ciphertext) {
    var keyHex = CryptoJS.enc.Utf8.parse(key);
    var ivHex = CryptoJS.enc.Utf8.parse(iv);
    var encryptedHexStr = CryptoJS.enc.Hex.parse(ciphertext);
    var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
    var decrypted = CryptoJS.AES.decrypt(srcs, keyHex, {
        iv: ivHex,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    return decrypted.toString(CryptoJS.enc.Utf8);
}

对应后台链接https://www.cnblogs.com/loushengjie/p/11102396.html