SM4 VUE + springboot 前后端传输加密 解决了中文乱码
vue使用了base64js,sm4jshttps://github.com/beatgammit/base64-js(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&de
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vue使用了base64js,sm4js
https://github.com/beatgammit/base64-js
(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){var b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");var c=a.indexOf("=");-1===c&&(c=b);var d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){var b,c,f=d(a),g=f[0],h=f[1],j=new m(e(a,g,h)),k=0,n=0<h?g-4:g;for(c=0;c<n;c+=4)b=l[a.charCodeAt(c)]<<18|l[a.charCodeAt(c+1)]<<12|l[a.charCodeAt(c+2)]<<6|l[a.charCodeAt(c+3)],j[k++]=255&b>>16,j[k++]=255&b>>8,j[k++]=255&b;return 2===h&&(b=l[a.charCodeAt(c)]<<2|l[a.charCodeAt(c+1)]>>4,j[k++]=255&b),1===h&&(b=l[a.charCodeAt(c)]<<10|l[a.charCodeAt(c+1)]<<4|l[a.charCodeAt(c+2)]>>2,j[k++]=255&b>>8,j[k++]=255&b),j}function g(a){return k[63&a>>18]+k[63&a>>12]+k[63&a>>6]+k[63&a]}function h(a,b,c){for(var d,e=[],f=b;f<c;f+=3)d=(16711680&a[f]<<16)+(65280&a[f+1]<<8)+(255&a[f+2]),e.push(g(d));return e.join("")}function j(a){for(var b,c=a.length,d=c%3,e=[],f=16383,g=0,j=c-d;g<j;g+=f)e.push(h(a,g,g+f>j?j:g+f));return 1===d?(b=a[c-1],e.push(k[b>>2]+k[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(k[b>>10]+k[63&b>>4]+k[63&b<<2]+"=")),e.join("")}c.byteLength=function(a){var b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=f,c.fromByteArray=j;for(var k=[],l=[],m="undefined"==typeof Uint8Array?Array:Uint8Array,n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,p=n.length;o<p;++o)k[o]=n[o],l[n.charCodeAt(o)]=o;l[45]=62,l[95]=63},{}]},{},[])("/")});从网上copy了别人的sm4加密代码,对ECB模式转码部分进行了修改
参考链接
https://blog.csdn.net/qq_36410795/article/details/107330709
sm4js
(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("") } }, {}] }, {}, [])("/") });
// const base64js = require('base64-js').Base64
/**
* 国密SM4加密算法
*/
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);
};
//生成解密密钥
this.sm4_setkey_dec = function (ctx, key) {
if (ctx == null) {
Error("ctx is null!");
}
if (key == null || key.length != 16) {
Error("key error!");
}
ctx.mode = this.SM4_DECRYPT;
this.sm4_setkey(ctx.sk, key);
ctx.sk = ctx.sk.reverse();
}
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 = "UISwD9fW6cFh9SNS";
this.iv = "";
//this.hexString = false;
//加密_ECB
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;
}
}
//解密_ECB
this.decryptData_ECB = function (cipherText) {
try {
var sm4 = new SM4();
var ctx = new SM4_Context();
ctx.isPadding = true;
ctx.mode = sm4.SM4_DECRYPT;
var keyBytes = stringToByte(this.secretKey);
sm4.sm4_setkey_dec(ctx, keyBytes);
var decrypted = sm4.sm4_crypt_ecb(ctx, base64js.toByteArray(cipherText));
return utf8ByteToUnicodeStr(decrypted);
} catch (e) {
console.log(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;
}
}
var 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);
}
}
console.log('bytes: '+bytes)
return bytes;
}
var 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;
}
function utf8ByteToUnicodeStr(utf8Bytes){
var unicodeStr ="";
for (var pos = 0; pos < utf8Bytes.length;){
var flag= utf8Bytes[pos];
var unicode = 0 ;
if ((flag >>>7) === 0 ) {
unicodeStr+= String.fromCharCode(utf8Bytes[pos]);
pos += 1;
} else if ((flag &0xFC) === 0xFC ){
unicode = (utf8Bytes[pos] & 0x3) << 30;
unicode |= (utf8Bytes[pos+1] & 0x3F) << 24;
unicode |= (utf8Bytes[pos+2] & 0x3F) << 18;
unicode |= (utf8Bytes[pos+3] & 0x3F) << 12;
unicode |= (utf8Bytes[pos+4] & 0x3F) << 6;
unicode |= (utf8Bytes[pos+5] & 0x3F);
unicodeStr+= String.fromCharCode(unicode) ;
pos += 6;
}else if ((flag &0xF8) === 0xF8 ){
unicode = (utf8Bytes[pos] & 0x7) << 24;
unicode |= (utf8Bytes[pos+1] & 0x3F) << 18;
unicode |= (utf8Bytes[pos+2] & 0x3F) << 12;
unicode |= (utf8Bytes[pos+3] & 0x3F) << 6;
unicode |= (utf8Bytes[pos+4] & 0x3F);
unicodeStr+= String.fromCharCode(unicode) ;
pos += 5;
} else if ((flag &0xF0) === 0xF0 ){
unicode = (utf8Bytes[pos] & 0xF) << 18;
unicode |= (utf8Bytes[pos+1] & 0x3F) << 12;
unicode |= (utf8Bytes[pos+2] & 0x3F) << 6;
unicode |= (utf8Bytes[pos+3] & 0x3F);
unicodeStr+= String.fromCharCode(unicode) ;
pos += 4;
} else if ((flag &0xE0) === 0xE0 ){
unicode = (utf8Bytes[pos] & 0x1F) << 12;;
unicode |= (utf8Bytes[pos+1] & 0x3F) << 6;
unicode |= (utf8Bytes[pos+2] & 0x3F);
unicodeStr+= String.fromCharCode(unicode) ;
pos += 3;
} else if ((flag &0xC0) === 0xC0 ){ //110
unicode = (utf8Bytes[pos] & 0x3F) << 6;
unicode |= (utf8Bytes[pos+1] & 0x3F);
unicodeStr+= String.fromCharCode(unicode) ;
pos += 2;
} else{
unicodeStr+= String.fromCharCode(utf8Bytes[pos]);
pos += 1;
}
}
return unicodeStr;
}
};
var s4 = new SM4Util();
s4.encryptData_ECB("中文")
springboot 工具类 由于javascript没有long类型，所有long类型改成了int
package ***.***.common.util;
public class SM4_Web_Context {
public int mode;
public int[] sk;
public boolean isPadding;
public SM4_Web_Context()
{
this.mode = 1;
this.isPadding = true;
this.sk = new int[32];
}
}
ECB模式的编码改为使用UTF-8
package ***.***.common.util;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class SM4WebUtils {
private String secretKey = "";
private String iv = "";
private boolean hexString = false;
public SM4WebUtils()
{
}
public SM4WebUtils(String secretKey, String iv, boolean hexString) {
this.secretKey = secretKey;
this.iv = iv;
this.hexString = hexString;
}
public String encryptData_ECB(String plainText)
{
try
{
SM4_Web_Context ctx = new SM4_Web_Context();
ctx.isPadding = true;
ctx.mode = Sm4WebBase.SM4_ENCRYPT;
byte[] keyBytes;
if (hexString)
{
keyBytes = Util.hexStringToBytes(secretKey);
}
else
{
keyBytes = secretKey.getBytes();
}
Sm4WebBase sm4 = new Sm4WebBase();
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_Web_Context ctx = new SM4_Web_Context();
ctx.isPadding = true;
ctx.mode = Sm4WebBase.SM4_DECRYPT;
byte[] keyBytes;
if (hexString)
{
keyBytes = Util.hexStringToBytes(secretKey);
}
else
{
keyBytes = secretKey.getBytes();
}
Sm4WebBase sm4 = new Sm4WebBase();
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_Web_Context ctx = new SM4_Web_Context();
ctx.isPadding = true;
ctx.mode = Sm4WebBase.SM4_ENCRYPT;
byte[] keyBytes;
byte[] ivBytes;
if (hexString)
{
keyBytes = Util.hexStringToBytes(secretKey);
ivBytes = Util.hexStringToBytes(iv);
}
else
{
keyBytes = secretKey.getBytes();
ivBytes = iv.getBytes();
}
Sm4WebBase sm4 = new Sm4WebBase();
sm4.sm4_setkey_enc(ctx, keyBytes);
byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, plainText.getBytes("GBK"));
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_Web_Context ctx = new SM4_Web_Context();
ctx.isPadding = true;
ctx.mode = Sm4WebBase.SM4_DECRYPT;
byte[] keyBytes;
byte[] ivBytes;
if (hexString)
{
keyBytes = Util.hexStringToBytes(secretKey);
ivBytes = Util.hexStringToBytes(iv);
}
else
{
keyBytes = secretKey.getBytes();
ivBytes = iv.getBytes();
}
Sm4WebBase sm4 = new Sm4WebBase();
sm4.sm4_setkey_dec(ctx, keyBytes);
byte[] decrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, new BASE64Decoder().decodeBuffer(cipherText));
return new String(decrypted, "GBK");
}
catch (Exception e)
{
e.printStackTrace();
return null;
}
}
public static void main(String[] args) throws IOException
{
String plainText = "中文";
SM4WebUtils sm4 = new SM4WebUtils();
sm4.secretKey = "11HDESAAHIHHUGDZ";
sm4.hexString = false;
System.out.println("ECB模式");
String cipherText = sm4.encryptData_ECB(plainText);
System.out.println("密文: " + cipherText);
System.out.println("解密密文: " + sm4.decryptData_ECB(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);
}
}
加密算法主类 long改成了int
public class Sm4WebBase {
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) & 0xffffffffL;
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);
}
private void SWAP(int[] sk, int i) {
int t = sk[i];
sk[i] = sk[(31 - i)];
sk[(31 - i)] = t;
}
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_Web_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 void sm4_setkey_dec(SM4_Web_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);
}
}
public byte[] sm4_crypt_ecb(SM4_Web_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 byte[] sm4_crypt_cbc(SM4_Web_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;
}
}然后验证前后加解密结果一致后就可以按需使用了
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