签名算法（SM3），对称加密算法（AES），非对称加密算法（RSA）

余倩倩 • 2022年8月16日下午3:57 • 前端大牛 • 阅读 1240

npm install crypto-js –save

npm i jsencrypt –save

npm install –save sm-crypto

import CryptoJS from “crypto-js”

import RSA from ‘jsencrypt/bin/jsencrypt’

import sm3 from “sm-crypto/src/sm3”

function generateMixed(n:any) {

var jschars = [‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’, ‘A’, ‘B’, ‘C’, ‘D’, ‘E’, ‘F’, ‘G’, ‘H’, ‘I’, ‘J’, ‘K’, ‘L’, ‘M’, ‘N’, ‘O’, ‘P’, ‘Q’, ‘R’, ‘S’, ‘T’, ‘U’, ‘V’, ‘W’, ‘X’, ‘Y’, ‘Z’, ‘q’, ‘w’, ‘e’, ‘r’, ‘t’, ‘y’, ‘u’, ‘i’, ‘o’, ‘p’, ‘a’, ‘s’, ‘d’, ‘f’, ‘g’, ‘h’, ‘j’, ‘k’, ‘l’, ‘z’, ‘x’, ‘c’, ‘v’, ‘b’, ‘n’, ‘m’];

var res = “”;

for (var i = 0; i < n; i++) {

var id = Math.ceil(Math.random() * 61);

res += jschars[id];

}

return res;

}

let key=generateMixed(16)

let key2=””

// AES加密

function Encrypt(word:any) {

key2=key

var srcs = CryptoJS.enc.Utf8.parse(word),

key1 = CryptoJS.enc.Utf8.parse(key);

var encrypted = CryptoJS.AES.encrypt(srcs, key1, {

mode: CryptoJS.mode.ECB,

padding: CryptoJS.pad.Pkcs7

});

return encrypted.ciphertext.toString(CryptoJS.enc.Base64);

}

// AES解密

export function Decrypt(word:any) {

var encryptedHexStr = CryptoJS.enc.Hex.parse(word);

var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);

var key1 = CryptoJS.enc.Utf8.parse(key2);

var decrypt = CryptoJS.AES.decrypt(word, key1, {

mode: CryptoJS.mode.ECB,

padding: CryptoJS.pad.Pkcs7

});

var decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);

return decryptedStr.toString();

}

// rsa加密

function RSAEncrypt() {

var publicKey_pkcs1 =’MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsxxINczpneVLYbpbVCREy2o0IQKOPVk8676DcwDtH4bmewKxaTk013yC4QCJ4nzsoPrCirVQ0bTr/CMzZnN2+CaGBOxtSYiMkeyPTmapIj74QGohMiaeqa5f2d6DlGkJ9lTcjUQzt/ljuXqgFlPBna/ZRIl7639ZdcyCXNnqflQybW7RZJEI7Kg304KMvvO/x1cugn/sISa/1EAvYswSZV19dgbroBIKX4unRQmmcZbPNWqXYk4nwPZe5XQ4M95iqXJ4J0MZ9Lu+ZOFTfqgYz4vXrJKKvXcEdKq6p6Vt/oqmhU2D1ec3xBuzYconpX8kRqmPfpDcq+rHn17ZhyOzYQIDAQAB’ ; //rsa公钥

var encrypt_rsa = new RSA();

encrypt_rsa.setPublicKey(publicKey_pkcs1);

var encStr = encrypt_rsa.encrypt(key)

return encStr;

}

//请求加密

export function setInto(data:any) {

var obj = new Object();

obj[“sign”] = sm3(JSON.stringify(data)) //MD5.hexMD5(data); //对应换成SM3

obj[“encryptData”] = Encrypt(data); //aes加密data后的值

obj[“encryptKey”] = RSAEncrypt(); //rsa非对称加密

return obj;