php版

核心代码

<?php
/**
 * Sm4加密解密类
 * Class SM4
 * @package common\helpers
 */
class SM4
{
    const SM4_CK = [
        0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,
        0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,
        0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
        0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,
        0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,
        0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
        0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,
        0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279
    ];

    const SM4_SBOX = [
        0xd6,0x90,0xe9,0xfe,0xcc,0xe1,0x3d,0xb7,0x16,0xb6,0x14,0xc2,0x28,0xfb,0x2c,0x05,
        0x2b,0x67,0x9a,0x76,0x2a,0xbe,0x04,0xc3,0xaa,0x44,0x13,0x26,0x49,0x86,0x06,0x99,
        0x9c,0x42,0x50,0xf4,0x91,0xef,0x98,0x7a,0x33,0x54,0x0b,0x43,0xed,0xcf,0xac,0x62,
        0xe4,0xb3,0x1c,0xa9,0xc9,0x08,0xe8,0x95,0x80,0xdf,0x94,0xfa,0x75,0x8f,0x3f,0xa6,
        0x47,0x07,0xa7,0xfc,0xf3,0x73,0x17,0xba,0x83,0x59,0x3c,0x19,0xe6,0x85,0x4f,0xa8,
        0x68,0x6b,0x81,0xb2,0x71,0x64,0xda,0x8b,0xf8,0xeb,0x0f,0x4b,0x70,0x56,0x9d,0x35,
        0x1e,0x24,0x0e,0x5e,0x63,0x58,0xd1,0xa2,0x25,0x22,0x7c,0x3b,0x01,0x21,0x78,0x87,
        0xd4,0x00,0x46,0x57,0x9f,0xd3,0x27,0x52,0x4c,0x36,0x02,0xe7,0xa0,0xc4,0xc8,0x9e,
        0xea,0xbf,0x8a,0xd2,0x40,0xc7,0x38,0xb5,0xa3,0xf7,0xf2,0xce,0xf9,0x61,0x15,0xa1,
        0xe0,0xae,0x5d,0xa4,0x9b,0x34,0x1a,0x55,0xad,0x93,0x32,0x30,0xf5,0x8c,0xb1,0xe3,
        0x1d,0xf6,0xe2,0x2e,0x82,0x66,0xca,0x60,0xc0,0x29,0x23,0xab,0x0d,0x53,0x4e,0x6f,
        0xd5,0xdb,0x37,0x45,0xde,0xfd,0x8e,0x2f,0x03,0xff,0x6a,0x72,0x6d,0x6c,0x5b,0x51,
        0x8d,0x1b,0xaf,0x92,0xbb,0xdd,0xbc,0x7f,0x11,0xd9,0x5c,0x41,0x1f,0x10,0x5a,0xd8,
        0x0a,0xc1,0x31,0x88,0xa5,0xcd,0x7b,0xbd,0x2d,0x74,0xd0,0x12,0xb8,0xe5,0xb4,0xb0,
        0x89,0x69,0x97,0x4a,0x0c,0x96,0x77,0x7e,0x65,0xb9,0xf1,0x09,0xc5,0x6e,0xc6,0x84,
        0x18,0xf0,0x7d,0xec,0x3a,0xdc,0x4d,0x20,0x79,0xee,0x5f,0x3e,0xd7,0xcb,0x39,0x48
    ];

    const SM4_FK = [0xA3B1BAC6, 0x56AA3350, 0x677D9197, 0xB27022DC];

    public $_rk = [];
    public $_block_size = 16;

    public function __construct()
    {
    }

    /**
     * sm4加密（ecb）
     * @param $key 16位十六进制的字符，比如asw34a5ses5w81wf
     * @param $data 原始数据
     * @return string
     */
    public function encrypt($key, $data)
    {
        $this->sm4KeySchedule($key);

        $bytes = $this->pad($data, $this->_block_size);
        $chunks = array_chunk($bytes, $this->_block_size);

        $ciphertext = "";
        foreach ($chunks as $chunk) {
            $ciphertext .= $this->sm4Encrypt($chunk);
        }

        return base64_encode($ciphertext);
    }

    /**
     * sm4解密
     * @param $key
     * @param $data
     * @return bool|string
     */
    public function decrypt($key, $data)
    {
        $data = base64_decode($data);
        if (strlen($data) < 0 || strlen($data) % $this->_block_size != 0) {
            return false;
        }

        $this->sm4KeySchedule($key);
        $bytes = unpack("C*", $data);
        $chunks = array_chunk($bytes, $this->_block_size);

        $plaintext = "";
        foreach ($chunks as $chunk) {
            $plaintext .= substr($this->sm4Decrypt($chunk), 0, 16);
        }
        $plaintext = $this->unPad($plaintext);

        return $plaintext;
    }

    private function sm4Decrypt($cipherText)
    {
        $x = [];
        for ($j=0; $j<4; $j++) {
            $x[$j]=($cipherText[$j*4]<<24)  |($cipherText[$j*4+1]<<16)| ($cipherText[$j*4+2]<<8)|($cipherText[$j*4+3]);
        }

        for ($i=0; $i<32; $i++) {
            $tmp = $x[$i+1]^$x[$i+2]^$x[$i+3]^$this->_rk[31-$i];
            $buf= (self::SM4_SBOX[($tmp >> 24) & 0xFF]) << 24 |(self::SM4_SBOX[($tmp >> 16) & 0xFF]) << 16 |(self::SM4_SBOX[($tmp >> 8) & 0xFF]) << 8 |(self::SM4_SBOX[$tmp & 0xFF]);
            $x[$i+4]=$x[$i]^($buf^$this->sm4Rotl32(($buf), 2)^ $this->sm4Rotl32(($buf), 10) ^ $this->sm4Rotl32(($buf), 18)^ $this->sm4Rotl32(($buf), 24));
        }

        $plainText = [];
        for ($k=0; $k<4; $k++) {
            $plainText[4*$k]=($x[35-$k]>> 24)& 0xFF;
            $plainText[4*$k+1]=($x[35-$k]>> 16)& 0xFF;
            $plainText[4*$k+2]=($x[35-$k]>> 8)& 0xFF;
            $plainText[4*$k+3]=($x[35-$k])& 0xFF;
        }

        return $this->bytesToString($plainText);
    }

    private function sm4Encrypt($plainText)
    {
        $x = [];
        for ($j=0; $j<4; $j++) {
            $x[$j]=($plainText[$j*4]<<24)  |($plainText[$j*4+1]<<16)| ($plainText[$j*4+2]<<8)|($plainText[$j*4+3]);
        }

        for ($i=0; $i<32; $i++) {
            $tmp = $x[$i+1]^$x[$i+2]^$x[$i+3]^$this->_rk[$i];
            $buf= (self::SM4_SBOX[($tmp >> 24) & 0xFF]) << 24 |(self::SM4_SBOX[($tmp >> 16) & 0xFF]) << 16 |(self::SM4_SBOX[($tmp >> 8) & 0xFF]) << 8 |(self::SM4_SBOX[$tmp & 0xFF]);
            $x[$i+4]=$x[$i]^($buf^$this->sm4Rotl32(($buf), 2)^ $this->sm4Rotl32(($buf), 10) ^ $this->sm4Rotl32(($buf), 18)^ $this->sm4Rotl32(($buf), 24));
        }

        $cipherText = [];
        for ($k=0; $k<4; $k++) {
            $cipherText[4*$k]=($x[35-$k]>> 24)& 0xFF;
            $cipherText[4*$k+1]=($x[35-$k]>> 16)& 0xFF;
            $cipherText[4*$k+2]=($x[35-$k]>> 8)& 0xFF;
            $cipherText[4*$k+3]=($x[35-$k])& 0xFF;
        }

        return $this->bytesToString($cipherText);
    }

    private function stringToBytes($string)
    {
        return unpack('C*', $string);
    }

    private function bytesToString($bytes)
    {
        return vsprintf(str_repeat('%c', count($bytes)), $bytes);
    }

    private function pad($data)
    {
        $bytes = $this->stringToBytes($data);
        $rem = $this->_block_size - count($bytes) % $this->_block_size;
        for ($i = 0; $i < $rem; $i++) {
            array_push($bytes, $rem);
        }
        return $bytes;
    }

    private function unPad($data)
    {
        $bytes = $this->stringToBytes($data);
        $rem = $bytes[count($bytes)];
        $bytes = array_slice($bytes, 0, count($bytes) - $rem);
        return $this->bytesToString($bytes);
    }

    private function sm4Rotl32($buf, $n)
    {
        return (($buf << $n) & 0xffffffff) | ($buf >> (32-$n));
    }

    private function sm4KeySchedule($key)
    {
        $this->_rk = [];
        $key = array_values(unpack("C*", $key));

        $k = [];
        for ($i=0; $i<4; $i++) {
            $k[$i] = self::SM4_FK[$i]^(($key[4*$i]<<24) | ($key[4*$i+1]<<16) |($key[4*$i+2]<<8) | ($key[4*$i+3]));
        }

        for ($j=0; $j<32; $j++) {
            $tmp = $k[$j+1]^$k[$j+2]^$k[$j+3]^ self::SM4_CK[$j];
            $buf = (self::SM4_SBOX[($tmp >> 24) & 0xFF]) << 24 |(self::SM4_SBOX[($tmp >> 16) & 0xFF]) << 16 |(self::SM4_SBOX[($tmp >> 8) & 0xFF]) << 8 |(self::SM4_SBOX[$tmp & 0xFF]);

            $k[$j+4]=$k[$j]^(($buf)^($this->sm4Rotl32(($buf), 13))^($this->sm4Rotl32(($buf), 23)));
            $this->_rk[$j]=$k[$j+4];
        }
    }
}

调用示例

可自行验证是否是你需要的sm4加密算法
密钥：asw34a5ses5w81wf
内容：123456
sm4加密后数据为：
pPtSTSIVIjizeEY05GphVA==

<?php
include 'SM4.php';
$key = "asw34a5ses5w81wf";

$sm4 = new SM4();
$data = '123456';

$enc = $sm4->encrypt($key, $data);
echo "encrypt: $enc\n";

$decdata = $sm4->decrypt($key, $enc);
echo "decrypt: $decdata\n";

JS版

核心代码

!(function (r, e) {
  "object" == typeof exports && "object" == typeof module
    ? (module.exports = e())
    : "function" == typeof define && define.amd
    ? define([], e)
    : "object" == typeof exports
    ? (exports.JSSM4 = e())
    : (r.JSSM4 = e());
})(this, function () {
  return (function (r) {
    var e = {};

    function t(n) {
      if (e[n]) return e[n].exports;
      var o = (e[n] = {
        i: n,
        l: !1,
        exports: {},
      });
      return r[n].call(o.exports, o, o.exports, t), (o.l = !0), o.exports;
    }
    return (
      (t.m = r),
      (t.c = e),
      (t.d = function (r, e, n) {
        t.o(r, e) ||
          Object.defineProperty(r, e, {
            enumerable: !0,
            get: n,
          });
      }),
      (t.r = function (r) {
        "undefined" != typeof Symbol &&
          Symbol.toStringTag &&
          Object.defineProperty(r, Symbol.toStringTag, {
            value: "Module",
          }),
          Object.defineProperty(r, "__esModule", {
            value: !0,
          });
      }),
      (t.t = function (r, e) {
        if ((1 & e && (r = t(r)), 8 & e)) return r;
        if (4 & e && "object" == typeof r && r && r.__esModule) return r;
        var n = Object.create(null);
        if (
          (t.r(n),
          Object.defineProperty(n, "default", {
            enumerable: !0,
            value: r,
          }),
          2 & e && "string" != typeof r)
        )
          for (var o in r)
            t.d(
              n,
              o,
              function (e) {
                return r[e];
              }.bind(null, o)
            );
        return n;
      }),
      (t.n = function (r) {
        var e =
          r && r.__esModule
            ? function () {
                return r.default;
              }
            : function () {
                return r;
              };
        return t.d(e, "a", e), e;
      }),
      (t.o = function (r, e) {
        return Object.prototype.hasOwnProperty.call(r, e);
      }),
      (t.p = ""),
      t((t.s = 1))
    );
  })([
    function (r, e, t) {
      "use strict";
      (e.byteLength = function (r) {
        var e = c(r),
          t = e[0],
          n = e[1];
        return (3 * (t + n)) / 4 - n;
      }),
        (e.toByteArray = function (r) {
          var e,
            t,
            n = c(r),
            i = n[0],
            a = n[1],
            f = new u(
              (function (r, e, t) {
                return (3 * (e + t)) / 4 - t;
              })(0, i, a)
            ),
            l = 0,
            s = a > 0 ? i - 4 : i;
          for (t = 0; t < s; t += 4)
            (e =
              (o[r.charCodeAt(t)] << 18) |
              (o[r.charCodeAt(t + 1)] << 12) |
              (o[r.charCodeAt(t + 2)] << 6) |
              o[r.charCodeAt(t + 3)]),
              (f[l++] = (e >> 16) & 255),
              (f[l++] = (e >> 8) & 255),
              (f[l++] = 255 & e);
          2 === a &&
            ((e = (o[r.charCodeAt(t)] << 2) | (o[r.charCodeAt(t + 1)] >> 4)),
            (f[l++] = 255 & e));
          1 === a &&
            ((e =
              (o[r.charCodeAt(t)] << 10) |
              (o[r.charCodeAt(t + 1)] << 4) |
              (o[r.charCodeAt(t + 2)] >> 2)),
            (f[l++] = (e >> 8) & 255),
            (f[l++] = 255 & e));
          return f;
        }),
        (e.fromByteArray = function (r) {
          for (
            var e, t = r.length, o = t % 3, u = [], i = 0, a = t - o;
            i < a;
            i += 16383
          )
            u.push(l(r, i, i + 16383 > a ? a : i + 16383));
          1 === o
            ? ((e = r[t - 1]), u.push(n[e >> 2] + n[(e << 4) & 63] + "=="))
            : 2 === o &&
              ((e = (r[t - 2] << 8) + r[t - 1]),
              u.push(n[e >> 10] + n[(e >> 4) & 63] + n[(e << 2) & 63] + "="));
          return u.join("");
        });
      for (
        var n = [],
          o = [],
          u = "undefined" != typeof Uint8Array ? Uint8Array : Array,
          i =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
          a = 0,
          f = i.length;
        a < f;
        ++a
      )
        (n[a] = i[a]), (o[i.charCodeAt(a)] = a);

      function c(r) {
        var e = r.length;
        if (e % 4 > 0)
          throw new Error("Invalid string. Length must be a multiple of 4");
        var t = r.indexOf("=");
        return -1 === t && (t = e), [t, t === e ? 0 : 4 - (t % 4)];
      }

      function l(r, e, t) {
        for (var o, u, i = [], a = e; a < t; a += 3)
          (o =
            ((r[a] << 16) & 16711680) +
            ((r[a + 1] << 8) & 65280) +
            (255 & r[a + 2])),
            i.push(
              n[((u = o) >> 18) & 63] +
                n[(u >> 12) & 63] +
                n[(u >> 6) & 63] +
                n[63 & u]
            );
        return i.join("");
      }
      (o["-".charCodeAt(0)] = 62), (o["_".charCodeAt(0)] = 63);
    },
    function (r, e, t) {
      "use strict";
      t.r(e);
      var n = t(0),
        o = t.n(n);

      function u() {
        (this.mode = 1), (this.sk = new Array(32)), (this.isPadding = !0);
      }

      function i(r, e) {
        return (
          ((255 & r[e]) << 24) |
          ((255 & r[e + 1]) << 16) |
          ((255 & r[e + 2]) << 8) |
          (255 & r[e + 3])
        );
      }

      function a(r, e, t) {
        (e[t] = 255 & (r >> 24)),
          (e[t + 1] = 255 & (r >> 16)),
          (e[t + 2] = 255 & (r >> 8)),
          (e[t + 3] = 255 & r);
      }

      function f(r, e, t = 32) {
        return (r << (e %= t)) | (r >>> (t - e));
      }
      var c = [
          214, 144, 233, 254, 204, 225, 61, 183, 22, 182, 20, 194, 40, 251, 44,
          5, 43, 103, 154, 118, 42, 190, 4, 195, 170, 68, 19, 38, 73, 134, 6,
          153, 156, 66, 80, 244, 145, 239, 152, 122, 51, 84, 11, 67, 237, 207,
          172, 98, 228, 179, 28, 169, 201, 8, 232, 149, 128, 223, 148, 250, 117,
          143, 63, 166, 71, 7, 167, 252, 243, 115, 23, 186, 131, 89, 60, 25,
          230, 133, 79, 168, 104, 107, 129, 178, 113, 100, 218, 139, 248, 235,
          15, 75, 112, 86, 157, 53, 30, 36, 14, 94, 99, 88, 209, 162, 37, 34,
          124, 59, 1, 33, 120, 135, 212, 0, 70, 87, 159, 211, 39, 82, 76, 54, 2,
          231, 160, 196, 200, 158, 234, 191, 138, 210, 64, 199, 56, 181, 163,
          247, 242, 206, 249, 97, 21, 161, 224, 174, 93, 164, 155, 52, 26, 85,
          173, 147, 50, 48, 245, 140, 177, 227, 29, 246, 226, 46, 130, 102, 202,
          96, 192, 41, 35, 171, 13, 83, 78, 111, 213, 219, 55, 69, 222, 253,
          142, 47, 3, 255, 106, 114, 109, 108, 91, 81, 141, 27, 175, 146, 187,
          221, 188, 127, 17, 217, 92, 65, 31, 16, 90, 216, 10, 193, 49, 136,
          165, 205, 123, 189, 45, 116, 208, 18, 184, 229, 180, 176, 137, 105,
          151, 74, 12, 150, 119, 126, 101, 185, 241, 9, 197, 110, 198, 132, 24,
          240, 125, 236, 58, 220, 77, 32, 121, 238, 95, 62, 215, 203, 57, 72,
        ],
        l = [
          462357, 472066609, 943670861, 1415275113, 1886879365, 2358483617,
          2830087869, 3301692121, 3773296373, 4228057617, 404694573, 876298825,
          1347903077, 1819507329, 2291111581, 2762715833, 3234320085,
          3705924337, 4177462797, 337322537, 808926789, 1280531041, 1752135293,
          2223739545, 2695343797, 3166948049, 3638552301, 4110090761, 269950501,
          741554753, 1213159005, 1684763257,
        ],
        s = [2746333894, 1453994832, 1736282519, 2993693404];

      function d(r) {
        return c[255 & r];
      }

      function h(r, e, t, n, o) {
        return (
          r ^
          ((u = e ^ t ^ n ^ o),
          (l = new Array(4)),
          (s = new Array(4)),
          a(u, l, 0),
          (s[0] = d(l[0])),
          (s[1] = d(l[1])),
          (s[2] = d(l[2])),
          (s[3] = d(l[3])),
          (c = i(s, 0)) ^ f(c, 2) ^ f(c, 10) ^ f(c, 18) ^ f(c, 24))
        );
        var u, c, l, s;
      }

      function y(r, e) {
        var t,
          n,
          o,
          u,
          c = new Array(4),
          h = new Array(36),
          y = 0;
        for (
          c[0] = i(e, 0),
            c[1] = i(e, 4),
            c[2] = i(e, 8),
            c[3] = i(e, 12),
            h[0] = c[0] ^ s[0],
            h[1] = c[1] ^ s[1],
            h[2] = c[2] ^ s[2],
            h[3] = c[3] ^ s[3];
          y < 32;
          y++
        )
          (h[y + 4] =
            h[y] ^
            ((t = h[y + 1] ^ h[y + 2] ^ h[y + 3] ^ l[y]),
            (n = void 0),
            (o = void 0),
            (u = void 0),
            (o = new Array(4)),
            (u = new Array(4)),
            a(t, o, 0),
            (u[0] = d(o[0])),
            (u[1] = d(o[1])),
            (u[2] = d(o[2])),
            (u[3] = d(o[3])),
            (n = i(u, 0)) ^ f(n, 13) ^ f(n, 23))),
            (r[y] = h[y + 4]);
      }

      function p(r, e, t) {
        var n = 0,
          o = new Array(36);
        for (
          o[0] = i(e, 0), o[1] = i(e, 4), o[2] = i(e, 8), o[3] = i(e, 12);
          n < 32;

        )
          (o[n + 4] = h(o[n], o[n + 1], o[n + 2], o[n + 3], r[n])), n++;
        a(o[35], t, 0), a(o[34], t, 4), a(o[33], t, 8), a(o[32], t, 12);
      }

      function v(r, e) {
        if (null == r) return null;
        var t = [];
        if (((t = t.concat(r)), 1 == e))
          for (var n = 16 - (r.length % 16), o = 0; o < n; o++)
            t[r.length + o] = n;
        else {
          n = r[r.length - 1];
          for (var u = 0; u < n; u++) t.pop();
        }
        return t;
      }

      function g(r, e) {
        (null == e) | ("" == e) && Error("input is null!"),
          r.isPadding && 1 == r.mode && (e = v(e, 1));
        for (var t = e.length, n = [], o = 0; o < t; o += 16) {
          var u = [],
            i = [];
          u.push(
            e[o + 0],
            e[o + 1],
            e[o + 2],
            e[o + 3],
            e[o + 4],
            e[o + 5],
            e[o + 6],
            e[o + 7],
            e[o + 8],
            e[o + 9],
            e[o + 10],
            e[o + 11],
            e[o + 12],
            e[o + 13],
            e[o + 14],
            e[o + 15]
          ),
            p(r.sk, u, i),
            (n = n.concat(i));
        }
        return r.isPadding && 0 == r.mode && (n = v(n, 0)), n;
      }

      function A(r) {
        var e,
          t,
          n = new Array();
        e = r.length;
        for (var o = 0; o < e; o++)
          (t = r.charCodeAt(o)) >= 65536 && t <= 1114111
            ? (n.push(((t >> 18) & 7) | 240),
              n.push(((t >> 12) & 63) | 128),
              n.push(((t >> 6) & 63) | 128),
              n.push((63 & t) | 128))
            : t >= 2048 && t <= 65535
            ? (n.push(((t >> 12) & 15) | 224),
              n.push(((t >> 6) & 63) | 128),
              n.push((63 & t) | 128))
            : t >= 128 && t <= 2047
            ? (n.push(((t >> 6) & 31) | 192), n.push((63 & t) | 128))
            : n.push(255 & t);
        return n;
      }
      e.default = function (r) {
        (this.seckey = r),
          (this.encryptData_ECB = function (r) {
            var e,
              t = new u();
            (t.isPadding = !0), (t.mode = 1);
            try {
              if (null == this.seckey) throw "key 不规范";
              e = A(this.seckey);
            } catch (r) {
              Error(r.message);
            }
            !(function (r, e) {
              null == r && Error("ctx is null!"),
                (null != e && 16 == e.length) || Error("key error!"),
                (r.mode = 1),
                y(r.sk, e);
            })(t, e);
            var n = g(t, A(r)),
              i = o.a.fromByteArray(n);
            null != i &&
              i.trim().length > 0 &&
              i.replace(/(\s*|\t|\r|\n)/g, "");
            return i;
          }),
          (this.decryptData_ECB = function (r) {
            try {
              var e = new u();
              (e.isPadding = !0), (e.mode = 0);
              var t = A(this.seckey);
              return (
                (function (r, e) {
                  null == r && Error("ctx is null!"),
                    (null != e && 16 == e.length) || Error("key error!"),
                    (r.mode = 0),
                    y(r.sk, e),
                    (r.sk = r.sk.reverse());
                })(e, t),
                (function (r) {
                  if ("string" == typeof r) return r;
                  for (var e = "", t = r, n = 0; n < t.length; n++) {
                    var o = t[n].toString(2),
                      u = o.match(/^1+?(?=0)/);
                    if (u && 8 == o.length) {
                      for (
                        var i = u[0].length,
                          a = t[n].toString(2).slice(7 - i),
                          f = 1;
                        f < i;
                        f++
                      )
                        a += t[f + n].toString(2).slice(2);
                      (e += String.fromCharCode(parseInt(a, 2))), (n += i - 1);
                    } else e += String.fromCharCode(t[n]);
                  }
                  return e;
                })(g(e, o.a.toByteArray(r)))
              );
            } catch (r) {
              return Error(r.message), null;
            }
          });
      };
    },
  ]).default;
});

用法示例

var sKey = "JeF38U9wT9wlMfs2";
var sm4 = new JSSM4(sKey);
function SM4_decrypt(text) {
  let dedata = sm4.decryptData_ECB(text);
  return dedata;
}
function SM4_encrypt(text) {
  let endata = sm4.encryptData_ECB(text);
  return endata;
}

let str = "我是一段加密文本";

str = SM4_encrypt(str);
console.log("加密结果", str);

str = SM4_decrypt(str);
console.log("解密结果", str);