前端RSA加密解密

安装依赖  

cnpm install jsencrypt --save-dev

页面引入

import JSEncrypt from 'jsencrypt'

//加密

//str 未加密字符串
export function getEncryCode(str) {
    //实例化JSEncrypt
    let jse = new JSEncrypt();
    //加密公钥（由服务端生成）
    let pubKey = `-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuJEc8NP
4IVWZUqpJpmNvl90rUrNE8PfqvjQ8NOzEGh7OlFlxtsSzDVhPEKW
6aOs/+elMol96SbCzD8l7HFOha0mQ07UCgx8Gb
-----END PUBLIC KEY-----`

    jse.setPublicKey(pubKey);
    let data = jse.encrypt(str.toString()); // 进行加密
    return data;
}

//解密

//params 待解密字符串
export function sendEncryCode(params) {
    //实例化JSEncrypt
    let jse = new JSEncrypt();
    //使用前端私钥解密（私钥由服务端生成）
    let privKey = `-----BEGIN PRIVATE KEY-----MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAK4kRzw0/ghV
KzCoClilgqx0MfTfLU113n1eQmiiJTGvHIjqvzD533o/WFMEvPv3M2pyCz/IMkSavKwCVAh2/TBjJM0ECQQDz3uyxyWS3Xj3o9XDi
UpWy/JwE9PyMj5dSxiNbpBatfMrrHkMpfqsVWAQgsuRkj12ROsYo2x5tAGjZvGvV94eHAkEAts2H4nEwVfVpDESPhOdPZD/fqR6
UO/ThwCK2vOj1ShcIZSvuCSlFZDqq39Qk/PZQdAmUHril+nVf4Ohs3/QvMQJAeM9Mjl5oaHZlUQyV2Wh0BHEjkUkT+0X+/uBtD6
7gFR2nIIajWuEHO9GYaeJ1RmPHRHTLSd4S2ojDaGnxOdQf7QJBAIFOhW5CDqTfQX1yCetDC7+oBvfEL6rxn7afV4/tYYUVIdU
e6/QDA5jQfwpxL/DX8zUBiYrppk6yNC4NeuY3/iECQE0BBsDeCJRbrJPl3F8xX8+dam6rclzPrT5A6Ux0dPABtr2qHKSl/M6fkMrR2r
P3YOmfsXmQW/VmUb5Q6OTYOwo=
    -----END PRIVATE KEY-----`

    jse.setPrivateKey(privKey);
    let data = jse.decrypt(params); //解密

    return data;
}　

//使用方法

 let ddata = getEncryCode(
 JSON.stringify({
    keyword: "lalala",
    userId: "111111111",
    versionnum: "333",
     devicetype: "3"
 })
      );
console.log(ddata);
let dds = JSON.parse(sendEncryCode(ddata));
console.log(dds);