aes前端加密

最近在开发微信小程序,由于是国企项目,上线前都需要做好几次安全漏洞扫描,所以数据接口都需要二次封装并进行加解密的操作来确保安全性,最后和后端同事商议,使用aes进行加密,原理是前端请求的后端接口,除统一域名前缀部分外,后面接口部分全部使用公共参数 例如common 进行替换,然后将接口名称,接口所需参数等信息,通过 aes 加密后传输给后端,后端拿到加密后的字符串,通过解密算法得到接口名称及参数,来调用对用的接口,然后将返回值同样经过加密后返回给前端,前端拿到加密串后解密,得到JSON对象,转换后得到接口数据进行页面渲染。

具体操作如下:

  1. 将加解密方法操作封装在 public.js 和 aes.js 两个文件中
<!-- public.js -->

var CryptoJS = require('./aes.js'); //引用AES源码js
var key = CryptoJS.enc.Utf8.parse("richeninfo202121"); //十六位十六进制数作为秘钥
var iv = CryptoJS.enc.Utf8.parse('richeninfo202121');//十六位十六进制数作为秘钥偏移量
//解密方法
function Decrypt(word) {
    var encryptedHexStr = CryptoJS.enc.Hex.parse(word);
    var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
    var decrypt = CryptoJS.AES.decrypt(srcs, key, {
        iv: iv,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    var decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
    return decryptedStr.toString();
}
//加密方法
function Encrypt(word) {
    var srcs = CryptoJS.enc.Utf8.parse(word);
    var encrypted = CryptoJS.AES.encrypt(srcs, key, {
        iv: iv,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    return encrypted.ciphertext.toString().toUpperCase();
}
 
//暴露接口
module.exports.Decrypt = Decrypt;
module.exports.Encrypt = Encrypt;
<!-- aes.js -->
/**
 * [description] CryptoJS v3.1.2 
 * [description] zhuangzhudada sort out 
 */
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 <<
- 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,
              ]).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)
})();

module.exports = CryptoJS
  1. 需要使用加密操作的接口文件中,引入已经封装加解密方法进行接口的加解密操作
<!-- 引入方法 -->
const CryptoJS = require('./utils/public');

<!-- 拼接需要调用的接口名称和所需的参数信息 -->
var data = '{"url": "/login/sendSMS", "openid": "'+ wx.getStorageSync('openid') +'", "userName": "'+ this.data.oaName +'", "userMobile": "'+ this.data.tel +'"}';
<!-- 使用CryptoJS.Encryp将拼接的信息进行加密,得到密文字符串 -->
      var encrypt = CryptoJS.Encrypt(data)
<!-- 此处微信小程序为例,请求调用 -->
      request({ 
<!-- url处填写和后端协商好的固定接口地址,接口的二次封装 -->
        url: 'http://localhost:8080/miniprogram-union/common',
<!-- data处传拼接和加密好的接口名称和参数信息 -->
        data: encrypt,
        method: "POST", 
        }).then(result => {
<!--  通过CryptoJS.Decrypt解密方法解密后端传过来的返回值-->
        var res = CryptoJS.Decrypt(result.data);
<!-- 解密得到的值一般为 JSON 对象形式,需要转为js对象 -->
        var smsInfo = JSON.parse(res)
<!-- 微信小程序中将得到的数据放到data中并在页面渲染 -->
        this.setData({
            smsInfoList: smsInfo.data
        })
      })