国密 sm4 js 加密， java解密

sm4.js

/**
 * base64js
 */
/**
 * base64js
 * base64js.toByteArray(d.input)
 * base64js.fromByteArray(c);
 * @author c.z.s
 * @email [email protected]
 * @company
 * @date 2018-07
 *
 */
(function(r){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=r()}else{if(typeof define===
    "function"&&define.amd){define([],r)}else{var e;if(typeof window!=="undefined"){e=window}else{if(typeof global
    !=="undefined"){e=global}else{if(typeof self!=="undefined"){e=self}else{e=this}}}e.base64js=r()}}})(function(){
    var r,e,t;return function r(e,t,n){function o(i,a){if(!t[i]){if(!e[i]){var u=typeof require=="function"&&require;if(!a&&u){
        return u(i,!0)}if(f){return f(i,!0)}var d=new Error("Cannot find module '"+i+"'");throw d.code="MODULE_NOT_FOUND",d}
        var c=t[i]={exports:{}};e[i][0].call(c.exports,function(r){var t=e[i][1][r];return o(t?t:r)},c,c.exports,r,e,t,n)}return t[i].exports}
        var f=typeof require=="function"&&require;for(var i=0;i<n.length;i++){o(n[i])}return o}({"/":[function(r,e,t){t.byteLength=c;
            t.toByteArray=v;t.fromByteArray=s;var n=[];var o=[];var f=typeof Uint8Array!=="undefined"?Uint8Array:Array;
            var i="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var a=0,u=i.length;a<u;++a){n[a]=i[a];
                o[i.charCodeAt(a)]=a}o["-".charCodeAt(0)]=62;o["_".charCodeAt(0)]=63;function d(r){var e=r.length;if(e%4>0){
                throw new Error("Invalid string. Length must be a multiple of 4")}return r[e-2]==="="?2:r[e-1]==="="?1:0}
            function c(r){return r.length*3/4-d(r)}function v(r){var e,t,n,i,a;var u=r.length;i=d(r);a=new f(u*3/4-i);t=i>0?u-4:u;
                var c=0;for(e=0;e<t;e+=4){n=o[r.charCodeAt(e)]<<18|o[r.charCodeAt(e+1)]<<12|o[r.charCodeAt(e+2)]<<6|o[r.charCodeAt(e+3)];
                    a[c++]=n>>16&255;a[c++]=n>>8&255;a[c++]=n&255}if(i===2){n=o[r.charCodeAt(e)]<<2|o[r.charCodeAt(e+1)]>>4;a[c++]=n&255}
                else{if(i===1){n=o[r.charCodeAt(e)]<<10|o[r.charCodeAt(e+1)]<<4|o[r.charCodeAt(e+2)]>>2;a[c++]=n>>8&255;a[c++]=n&255}}return a}
            function l(r){return n[r>>18&63]+n[r>>12&63]+n[r>>6&63]+n[r&63]}function h(r,e,t){var n;var o=[];for(var f=e;f<t;f+=3){
                n=(r[f]<<16)+(r[f+1]<<8)+r[f+2];o.push(l(n))}return o.join("")}function s(r){var e;var t=r.length;var o=t%3;var f="";var i=[];
                var a=16383;for(var u=0,d=t-o;u<d;u+=a){i.push(h(r,u,u+a>d?d:u+a))}if(o===1){e=r[t-1];f+=n[e>>2];f+=n[e<<4&63];f+="=="}else{if(o===2){
                    e=(r[t-2]<<8)+r[t-1];f+=n[e>>10];f+=n[e>>4&63];f+=n[e<<2&63];f+="="}}i.push(f);return i.join("")}},{}]},{},[])("/")});


/**
 * 国密SM4加密算法
 * @author c.z.s
 * @email [email protected]
 * @company GDT-ZWZX-DEV-PT
 * @date 2018-07
 */
function SM4_Context() {
    this.mode=1;
    this.isPadding = true;
    this.sk = new Array(32);
}

function SM4() {
    this.SM4_ENCRYPT=1;
    this.SM4_DECRYPT = 0;

    var SboxTable = [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];

    var FK = [ 0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc ];

    var 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 ];

    this.GET_ULONG_BE=function(b,i) {
        return (b[i] & 0xff) << 24 | ((b[i + 1] & 0xff) << 16) | ((b[i + 2] & 0xff) << 8) | (b[i + 3] & 0xff) & 0xffffffff;
    }

    this.PUT_ULONG_BE=function( n, b, i){
        var t1=(0xFF & (n >> 24));
        var t2=(0xFF & (n >> 16));
        var t3=(0xFF & (n >> 8));
        var t4=(0xFF & (n));
        b[i] = t1>128?t1-256:t1;
        b[i + 1] = t2>128?t2-256:t2;
        b[i + 2] = t3>128?t3-256:t3;
        b[i + 3] = t4>128?t4-256:t4;
    }

    this.SHL=function(x,n){
        return (x & 0xFFFFFFFF) << n;
    }

    this.ROTL=function( x,  n){
        var s =this.SHL(x, n);
        var ss= x >> (32 - n);
        return this.SHL(x, n) | x >> (32 - n);
    }


    this.sm4Lt=function(ka){
        var bb = 0;
        var c = 0;
        var a = new Array(4);
        var b = new Array(4);
        this.PUT_ULONG_BE(ka, a, 0);
        b[0] = this.sm4Sbox(a[0]);
        b[1] = this.sm4Sbox(a[1]);
        b[2] = this.sm4Sbox(a[2]);
        b[3] = this.sm4Sbox(a[3]);
        bb = this.GET_ULONG_BE(b, 0);
        c = bb ^ this.ROTL(bb, 2) ^ this.ROTL(bb, 10) ^ this.ROTL(bb, 18) ^ this.ROTL(bb, 24);
        return c;
    }

    this.sm4F=function( x0,  x1,  x2,  x3,  rk){
        return x0 ^ this.sm4Lt(x1 ^ x2 ^ x3 ^ rk);
    }

    this.sm4CalciRK=function(ka){
        var bb = 0;
        var rk = 0;
        var a = new Array(4);
        var b = new Array(4);
        this.PUT_ULONG_BE(ka, a, 0);
        b[0] = this.sm4Sbox(a[0]);
        b[1] = this.sm4Sbox(a[1]);
        b[2] = this.sm4Sbox(a[2]);
        b[3] = this.sm4Sbox(a[3]);
        bb = this.GET_ULONG_BE(b, 0);
        rk = bb ^ this.ROTL(bb, 13) ^ this.ROTL(bb, 23);
        return rk;
    }



    this.sm4Sbox=function(inch){
        var i = inch & 0xFF;
        var retVal = SboxTable[i];
        return  retVal>128?retVal-256:retVal;
    }

    this.sm4_setkey_enc = function(ctx, key){
        if (ctx == null) {
            alert("ctx is null!");
            return false;
        }
        if (key == null || key.length != 16){
            alert("key error!");
            return false;
        }
        ctx.mode = this.SM4_ENCRYPT;
        this.sm4_setkey(ctx.sk, key);

    };

    this.sm4_setkey = function(SK, key){
        var MK = new Array(4);
        var k =  new Array(36);
        var i = 0;
        MK[0] = this.GET_ULONG_BE(key, 0);
        MK[1] = this.GET_ULONG_BE(key, 4);
        MK[2] = this.GET_ULONG_BE(key, 8);
        MK[3] = this.GET_ULONG_BE(key, 12);
        k[0] = MK[0] ^  FK[0];
        k[1] = MK[1] ^  FK[1];
        k[2] = MK[2] ^  FK[2];
        k[3] = MK[3] ^  FK[3];
        for (var i=0; i < 32; i++){
            k[(i + 4)] = (k[i] ^ this.sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ CK[i]));
            SK[i] = k[(i + 4)];
        }

    }
    this.padding=function(input,mode){
        if (input == null){
            return null;
        }
        var ret =  null;
        if (mode == this.SM4_ENCRYPT){
            var p = parseInt(16 - input.length % 16);
            ret = input.slice(0);
            for (var i = 0; i < p; i++){
                ret[input.length + i] = p;
            }
        }else{
            var p = input[input.length - 1];
            ret=input.slice(0,input.length - p);
        }
        return ret;
    }
    this.sm4_one_round=function(sk, input, output){
        var  i = 0;
        var ulbuf = new Array(36);
        ulbuf[0] = this.GET_ULONG_BE(input, 0);
        ulbuf[1] = this.GET_ULONG_BE(input, 4);
        ulbuf[2] = this.GET_ULONG_BE(input, 8);
        ulbuf[3] = this.GET_ULONG_BE(input, 12);
        while (i < 32){
            ulbuf[(i + 4)] = this.sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);
            i++;
        }
        this.PUT_ULONG_BE(ulbuf[35], output, 0);
        this.PUT_ULONG_BE(ulbuf[34], output, 4);
        this.PUT_ULONG_BE(ulbuf[33], output, 8);
        this.PUT_ULONG_BE(ulbuf[32], output, 12);

    }



    this.sm4_crypt_ecb=function(ctx,input){
        if (input == null){
            alert("input is null!");
        }
        if ((ctx.isPadding) && (ctx.mode == this.SM4_ENCRYPT)){
            input = this.padding(input, this.SM4_ENCRYPT);
        }

        var i=0;
        var length = input.length;
        var bous = new Array();
        for(; length > 0; length -= 16)
        {
            var out = new Array(16);
            var ins=input.slice(i*16,(16*(i+1)));
            this.sm4_one_round(ctx.sk, ins, out)
            bous=bous.concat(out);
            i++;
        }

        var output = bous;
        if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT)
        {
            output = this.padding(output, this.SM4_DECRYPT);
        }
        for(var i=0;i<output.length;i++){
            if(output[i]<0){
                output[i]=output[i]+256;
            }
        }
        return output;
    }

    this.sm4_crypt_cbc=function(ctx, iv, input){
        if (iv == null || iv.length != 16) {
            alert("iv error!");
        }

        if (input == null){
            alert("input is null!");
        }

        if (ctx.isPadding && ctx.mode == this.SM4_ENCRYPT) {
            input = this.padding(input, this.SM4_ENCRYPT);
        }

        var i = 0;
        var length = input.length;
        var bous =new Array();
        if (ctx.mode == this.SM4_ENCRYPT){
            var k=0;
            for(; length > 0; length -= 16){
                var out = new Array(16);
                var out1 = new Array(16);
                var ins=input.slice(k*16,(16*(k+1)));

                for (i = 0; i < 16; i++)
                {
                    out[i] = (ins[i] ^ iv[i]);
                }
                this.sm4_one_round(ctx.sk, out, out1);
                iv=out1.slice(0,16);
                bous=bous.concat(out1);
                k++;
            }
        }
        else
        {
            var temp = [];
            var k=0;
            for(; length > 0; length -= 16)
            {
                var out = new Array(16);
                var out1 = new Array(16);
                var ins=input.slice(k*16,(16*(k+1)));
                temp=ins.slice(0,16);
                sm4_one_round(ctx.sk, ins, out);
                for (i = 0; i < 16; i++)
                {
                    out1[i] = (out[i] ^ iv[i]);
                }
                iv=temp.slice(0,16);
                bous=bous.concat(out1);
                k++;
            }
        }

        var output = bous;
        if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT)
        {
            output = this.padding(output, this.SM4_DECRYPT);
        }

        for(var i=0;i<output.length;i++){
            if(output[i]<0){
                output[i]=output[i]+256;
            }
        }
        return output;
    }
}


function SM4Util() {
    this.secretKey="11HDESaAhiHHugDz";
    this.iv = "";
    this.hexString = false;

    this.encryptData_ECB=function(plainText){
        try{
            var sm4 = new SM4();
            var ctx = new SM4_Context();
            ctx.isPadding = true;
            ctx.mode = sm4.SM4_ENCRYPT;
            var keyBytes= stringToByte(this.secretKey);
            sm4.sm4_setkey_enc(ctx, keyBytes);
            var encrypted = sm4.sm4_crypt_ecb(ctx, stringToByte(plainText));
            var cipherText = base64js.fromByteArray(encrypted);
            if (cipherText != null && cipherText.trim().length > 0)
            {
                cipherText.replace(/(\s*|\t|\r|\n)/g, "");
            }
            return cipherText;
        }catch (e){
            console.error(e);
            return null;
        }

    }

    this.encryptData_CBC=function(plainText){
        try{
            var sm4 = new SM4();
            var ctx = new SM4_Context();
            ctx.isPadding = true;
            ctx.mode = sm4.SM4_ENCRYPT;

            var keyBytes = stringToByte(this.secretKey) ;
            var ivBytes= stringToByte(this.iv) ;

            sm4.sm4_setkey_enc(ctx, keyBytes);
            var encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, stringToByte(plainText));
            var cipherText = base64js.fromByteArray(encrypted);
            if (cipherText != null && cipherText.trim().length > 0)
            {
                cipherText.replace(/(\s*|\t|\r|\n)/g, "");
            }
            return cipherText;
        }
        catch ( e)
        {
            console.error(e);
            return null;
        }
    }

    stringToByte=function(str) {
        var bytes = new Array();
        var len, c;
        len = str.length;
        for(var i = 0; i < len; i++) {
            c = str.charCodeAt(i);
            if(c >= 0x010000 && c <= 0x10FFFF) {
                bytes.push(((c >> 18) & 0x07) | 0xF0);
                bytes.push(((c >> 12) & 0x3F) | 0x80);
                bytes.push(((c >> 6) & 0x3F) | 0x80);
                bytes.push((c & 0x3F) | 0x80);
            } else if(c >= 0x000800 && c <= 0x00FFFF) {
                bytes.push(((c >> 12) & 0x0F) | 0xE0);
                bytes.push(((c >> 6) & 0x3F) | 0x80);
                bytes.push((c & 0x3F) | 0x80);
            } else if(c >= 0x000080 && c <= 0x0007FF) {
                bytes.push(((c >> 6) & 0x1F) | 0xC0);
                bytes.push((c & 0x3F) | 0x80);
            } else {
                bytes.push(c & 0xFF);
            }
        }
        return bytes;
    }


    byteToString=function(arr) {
        if(typeof arr === 'string') {
            return arr;
        }
        var str = '',
            _arr = arr;
        for(var i = 0; i < _arr.length; i++) {
            var one = _arr[i].toString(2),
                v = one.match(/^1+?(?=0)/);
            if(v && one.length == 8) {
                var bytesLength = v[0].length;
                var store = _arr[i].toString(2).slice(7 - bytesLength);
                for(var st = 1; st < bytesLength; st++) {
                    store += _arr[st + i].toString(2).slice(2);
                }
                str += String.fromCharCode(parseInt(store, 2));
                i += bytesLength - 1;
            } else {
                str += String.fromCharCode(_arr[i]);
            }
        }
        return str;
    }
};

　　SM4.java

package com.ruoyi.common.utils;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

public class SM4
{
	public static final int SM4_ENCRYPT = 1;

	public static final int SM4_DECRYPT = 0;

	private int GET_ULONG_BE(byte[] b, int i)
	{
		int n = (int)(b[i] & 0xff) << 24 | (int)((b[i + 1] & 0xff) << 16) | (int)((b[i + 2] & 0xff) << 8) | (int)(b[i + 3] & 0xff) & 0xffffffff;
		return n;
	}

	private void PUT_ULONG_BE(int n, byte[] b, int i)
	{
		b[i] = (byte)(int)(0xFF & n >> 24);
		b[i + 1] = (byte)(int)(0xFF & n >> 16);
		b[i + 2] = (byte)(int)(0xFF & n >> 8);
		b[i + 3] = (byte)(int)(0xFF & n);
	}

	private int SHL(int x, int n)
	{
		return (x & 0xFFFFFFFF) << n;
	}

	private int ROTL(int x, int n)
	{
		return SHL(x, n) | x >> (32 - n);
	}

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

	public static final int[] FK = { 0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc };

	public static final int[] 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 };

	private byte sm4Sbox(byte inch)
	{
		int i = inch & 0xFF;
		byte retVal = SboxTable[i];
		return retVal;
	}

	private int sm4Lt(int ka)
	{
		int bb = 0;
		int c = 0;
		byte[] a = new byte[4];
		byte[] b = new byte[4];
		PUT_ULONG_BE(ka, a, 0);
		b[0] = sm4Sbox(a[0]);
		b[1] = sm4Sbox(a[1]);
		b[2] = sm4Sbox(a[2]);
		b[3] = sm4Sbox(a[3]);
		bb = GET_ULONG_BE(b, 0);
		c = bb ^ ROTL(bb, 2) ^ ROTL(bb, 10) ^ ROTL(bb, 18) ^ ROTL(bb, 24);
		return c;
	}

	private int sm4F(int x0, int x1, int x2, int x3, int rk)
	{
		return x0 ^ sm4Lt(x1 ^ x2 ^ x3 ^ rk);
	}

	private int sm4CalciRK(int ka)
	{
		int bb = 0;
		int rk = 0;
		byte[] a = new byte[4];
		byte[] b = new byte[4];
		PUT_ULONG_BE(ka, a, 0);
		b[0] = sm4Sbox(a[0]);
		b[1] = sm4Sbox(a[1]);
		b[2] = sm4Sbox(a[2]);
		b[3] = sm4Sbox(a[3]);
		bb = GET_ULONG_BE(b, 0);
		rk = bb ^ ROTL(bb, 13) ^ ROTL(bb, 23);
		return rk;
	}

	private void sm4_setkey(int[] SK, byte[] key)
	{
		int[] MK = new int[4];
		int[] k = new int[36];
		int i = 0;
		MK[0] = GET_ULONG_BE(key, 0);
		MK[1] = GET_ULONG_BE(key, 4);
		MK[2] = GET_ULONG_BE(key, 8);
		MK[3] = GET_ULONG_BE(key, 12);
		k[0] = MK[0] ^ (int) FK[0];
		k[1] = MK[1] ^ (int) FK[1];
		k[2] = MK[2] ^ (int) FK[2];
		k[3] = MK[3] ^ (int) FK[3];
		for (; i < 32; i++)
		{
			k[(i + 4)] = (k[i] ^ sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ (int) CK[i]));
			SK[i] = k[(i + 4)];
		}
	}

	private void sm4_one_round(int[] sk, byte[] input, byte[] output)
	{
		int i = 0;
		int[] ulbuf = new int[36];
		ulbuf[0] = GET_ULONG_BE(input, 0);
		ulbuf[1] = GET_ULONG_BE(input, 4);
		ulbuf[2] = GET_ULONG_BE(input, 8);
		ulbuf[3] = GET_ULONG_BE(input, 12);
		while (i < 32)
		{
			ulbuf[(i + 4)] = sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);
			i++;
		}
		PUT_ULONG_BE(ulbuf[35], output, 0);
		PUT_ULONG_BE(ulbuf[34], output, 4);
		PUT_ULONG_BE(ulbuf[33], output, 8);
		PUT_ULONG_BE(ulbuf[32], output, 12);
	}

	private byte[] padding(byte[] input, int mode)
	{
		if (input == null)
		{
			return null;
		}

		byte[] ret = (byte[]) null;
		if (mode == SM4_ENCRYPT)
		{
			int p = 16 - input.length % 16;
			ret = new byte[input.length + p];
			System.arraycopy(input, 0, ret, 0, input.length);
			for (int i = 0; i < p; i++)
			{
				ret[input.length + i] = (byte) p;
			}
		}
		else
		{
			int p = input[input.length - 1];
			ret = new byte[input.length - p];
			System.arraycopy(input, 0, ret, 0, input.length - p);
		}
		return ret;
	}

	public void sm4_setkey_enc(SM4_Context ctx, byte[] key) throws Exception
	{
		if (ctx == null)
		{
			throw new Exception("ctx is null!");
		}

		if (key == null || key.length != 16)
		{
			throw new Exception("key error!");
		}

		ctx.mode = SM4_ENCRYPT;
		sm4_setkey(ctx.sk, key);
	}


	public byte[] sm4_crypt_ecb(SM4_Context ctx, byte[] input) throws Exception
	{
		if (input == null)
		{
			throw new Exception("input is null!");
		}

		if ((ctx.isPadding) && (ctx.mode == SM4_ENCRYPT))
		{
			input = padding(input, SM4_ENCRYPT);
		}

		int length = input.length;
		ByteArrayInputStream bins = new ByteArrayInputStream(input);
		ByteArrayOutputStream bous = new ByteArrayOutputStream();
		for(; length > 0; length -= 16)
		{
			byte[] in = new byte[16];
			byte[] out = new byte[16];
			bins.read(in);
			sm4_one_round(ctx.sk, in, out);
			bous.write(out);
		}

		byte[] output = bous.toByteArray();
		if (ctx.isPadding && ctx.mode == SM4_DECRYPT)
		{
			output = padding(output, SM4_DECRYPT);
		}
		bins.close();
		bous.close();
		return output;
	}


	public void sm4_setkey_dec(SM4_Context ctx, byte[] key) throws Exception
	{
		if (ctx == null)
		{
			throw new Exception("ctx is null!");
		}

		if (key == null || key.length != 16)
		{
			throw new Exception("key error!");
		}

		int i = 0;
		ctx.mode = SM4_DECRYPT;
		sm4_setkey(ctx.sk, key);
		for (i = 0; i < 16; i++)
		{
			SWAP(ctx.sk, i);
		}
	}



	private void SWAP(int[] sk, int i)
	{
		int t = sk[i];
		sk[i] = sk[(31 - i)];
		sk[(31 - i)] = t;
	}




	public byte[] sm4_crypt_cbc(SM4_Context ctx, byte[] iv, byte[] input) throws Exception
	{
		if (iv == null || iv.length != 16)
		{
			throw new Exception("iv error!");
		}

		if (input == null)
		{
			throw new Exception("input is null!");
		}

		if (ctx.isPadding && ctx.mode == SM4_ENCRYPT)
		{
			input = padding(input, SM4_ENCRYPT);
		}

		int i = 0;
		int length = input.length;
		ByteArrayInputStream bins = new ByteArrayInputStream(input);
		ByteArrayOutputStream bous = new ByteArrayOutputStream();
		if (ctx.mode == SM4_ENCRYPT)
		{
			for(; length > 0; length -= 16)
			{
				byte[] in = new byte[16];
				byte[] out = new byte[16];
				byte[] out1 = new byte[16];

				bins.read(in);
				for (i = 0; i < 16; i++)
				{
					out[i] = ((byte) (in[i] ^ iv[i]));
				}
				sm4_one_round(ctx.sk, out, out1);
				System.arraycopy(out1, 0, iv, 0, 16);
				bous.write(out1);
			}
		}
		else
		{
			byte[] temp = new byte[16];
			for(; length > 0; length -= 16)
			{
				byte[] in = new byte[16];
				byte[] out = new byte[16];
				byte[] out1 = new byte[16];

				bins.read(in);
				System.arraycopy(in, 0, temp, 0, 16);
				sm4_one_round(ctx.sk, in, out);
				for (i = 0; i < 16; i++)
				{
					out1[i] = ((byte) (out[i] ^ iv[i]));
				}
				System.arraycopy(temp, 0, iv, 0, 16);
				bous.write(out1);
			}
		}

		byte[] output = bous.toByteArray();
		if (ctx.isPadding && ctx.mode == SM4_DECRYPT)
		{
			output = padding(output, SM4_DECRYPT);
		}
		bins.close();
		bous.close();
		return output;
	}



}

　　

SM4_Context.java

package com.ruoyi.common.utils;

public class SM4_Context
{
	public int mode;

	public int[] sk;

	public boolean isPadding;

	public SM4_Context()
	{
		this.mode = 1;
		this.isPadding = true;
		this.sk = new int[32];
	}
}

　　

SM4Utils.java

package com.ruoyi.common.utils;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SM4Utils
{
	private String secretKey = "";
	private String iv = "";
	private boolean hexString = false;

	public SM4Utils()
	{
	}

	public String encryptData_ECB(String plainText)
	{
		try
		{
			SM4_Context ctx = new SM4_Context();
			ctx.isPadding = true;
			ctx.mode = SM4.SM4_ENCRYPT;

			byte[] keyBytes;
			keyBytes = secretKey.getBytes();
			SM4 sm4 = new SM4();
			sm4.sm4_setkey_enc(ctx, keyBytes);
			byte[] encrypted = sm4.sm4_crypt_ecb(ctx, plainText.getBytes("UTF-8"));
			String cipherText = new BASE64Encoder().encode(encrypted);
			if (cipherText != null && cipherText.trim().length() > 0)
			{
				Pattern p = Pattern.compile("\\s*|\t|\r|\n");
				Matcher m = p.matcher(cipherText);
				cipherText = m.replaceAll("");
			}
			return cipherText;
		}
		catch (Exception e)
		{
			e.printStackTrace();
			return null;
		}
	}

	public String decryptData_ECB(String cipherText)
	{
		try
		{
			SM4_Context ctx = new SM4_Context();
			ctx.isPadding = true;
			ctx.mode = SM4.SM4_DECRYPT;

			byte[] keyBytes;
			keyBytes = secretKey.getBytes();
			SM4 sm4 = new SM4();
			sm4.sm4_setkey_dec(ctx, keyBytes);
			byte[] decrypted = sm4.sm4_crypt_ecb(ctx, new BASE64Decoder().decodeBuffer(cipherText));
			return new String(decrypted, "UTF-8");
		}
		catch (Exception e)
		{
			e.printStackTrace();
			return null;
		}
	}

	public String encryptData_CBC(String plainText){
		try{
			SM4_Context ctx = new SM4_Context();
			ctx.isPadding = true;
			ctx.mode = SM4.SM4_ENCRYPT;

			byte[] keyBytes;
			byte[] ivBytes;

			keyBytes = secretKey.getBytes();
			ivBytes = iv.getBytes();

			SM4 sm4 = new SM4();
			sm4.sm4_setkey_enc(ctx, keyBytes);
			byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, plainText.getBytes("UTF-8"));
			String cipherText = new BASE64Encoder().encode(encrypted);
			if (cipherText != null && cipherText.trim().length() > 0)
			{
				Pattern p = Pattern.compile("\\s*|\t|\r|\n");
				Matcher m = p.matcher(cipherText);
				cipherText = m.replaceAll("");
			}
			return cipherText;
		}
		catch (Exception e)
		{
			e.printStackTrace();
			return null;
		}
	}

	public String decryptData_CBC(String cipherText)
	{
		try
		{
			SM4_Context ctx = new SM4_Context();
			ctx.isPadding = true;
			ctx.mode = SM4.SM4_DECRYPT;

			byte[] keyBytes;
			byte[] ivBytes;
			if (hexString)
			{
				keyBytes = Util.hexStringToBytes(secretKey);
				ivBytes = Util.hexStringToBytes(iv);
			}
			else
			{
				keyBytes = secretKey.getBytes();
				ivBytes = iv.getBytes();
			}

			SM4 sm4 = new SM4();
			sm4.sm4_setkey_dec(ctx, keyBytes);
			byte[] decrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, new BASE64Decoder().decodeBuffer(cipherText));
			return new String(decrypted, "UTF-8");
		}
		catch (Exception e)
		{
			e.printStackTrace();
			return null;
		}
	}

	public String getSecretKey() {
		return secretKey;
	}

	public void setSecretKey(String secretKey) {
		this.secretKey = secretKey;
	}

	public String getIv() {
		return iv;
	}

	public void setIv(String iv) {
		this.iv = iv;
	}

	public static void main(String[] args) throws UnsupportedEncodingException {
		String plainText ="ssda撒了ii&$$^##)*&6223';.,[]";
		SM4Utils sm4 = new SM4Utils();
		sm4.secretKey = "11HDESaAhiHHugDz";
		sm4.iv = "";
		plainText.getBytes("UTF-8");
		System.out.println("ECB模式");
		String cipherText = sm4.encryptData_ECB(plainText);
		System.out.println("密文: " + cipherText);
		System.out.println("");

		plainText = sm4.decryptData_ECB(cipherText);
		System.out.println("明文: " + plainText);
		System.out.println("");

		System.out.println("CBC模式");
		sm4.iv = "UISwD9fW6cFh9SNS";
		cipherText = sm4.encryptData_CBC(plainText);
		System.out.println("密文: " + cipherText);
		System.out.println("");

		plainText = sm4.decryptData_CBC(cipherText);
		System.out.println("明文: " + plainText);


	}

}