import bcryptjs from 'bcryptjs'//不可逆加密 bcryptjs 

/**
 * 不可逆加密 ，一旦加密不可解密，只可比對(duì)
 * @param {String} txt 加密、比對(duì)的文本
 * @param {String} hash 加密的哈希
 * @param {String} type default:jia, [jia 加密 ,bi 比對(duì)密碼] 操作類型
 * @returns {[String|Boolear]} 返回值
 */
const cyj = (txt, hash, type = 'jia') => {
    let res = null

    // 比對(duì)
    if (type === 'bi') {
        if (!txt || !hash) {
            throw '解密參數(shù)錯(cuò)誤或缺少參數(shù)'
        }
        res = bcryptjs.compareSync(txt, hash)
    } else {
        if (!txt) {
            throw '加密請(qǐng)傳入明文'
        }
        // 加密
        res = bcryptjs.hashSync(txt)
    }

    return res
}

export default cyj

import cyj from './utils/bcrypt.js '

const pwd = '728637263我是隱私信息'

//加密
const jia = cyj(pwd)

console.log(jia)//$2a$10$BsXXaevfIG8Og7mKSF5qFu0vSugvJbYWyr3apz9BElCV254.SoIYe
console.log(cyj(pwd, jia, 'bi'))//true
console.log(cyj(pwd, '我是老6', 'bi'))//false

import CryptoJS from 'crypto-js'// aes加解密

/**
 * AES加密 
 * @param {String} originText 原始文本
 * @param {String} key 密鑰
 * @returns 
 */
const encryptAES = (originText, key) => {
    if (originText) {
        const encrypt = CryptoJS.AES.encrypt(originText, key)
        return encrypt.toString()
    }
    return null
}


/**
 * AES解密 
 * @param {String} ciphertext 加密文本
 * @param {String} key 密鑰
 * @returns 
 */
const decryptAES = (ciphertext, key) => {
    if (ciphertext) {
        const decrypted = CryptoJS.AES.decrypt(ciphertext, key).toString(CryptoJS.enc.Utf8)

        return decrypted
    }
    return null
}

/**
 * 創(chuàng)建AES密鑰
 * @param {Number}  num defalut:10 生成幾位數(shù)的key
 * @returns {String} 返回密鑰
 */
const createAESKey = (num = 10) => {
    const library = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*+-./~=()[]{};:'?><,`";
    let key = ""
    for (var i = 0; i < num; i++) {
        let randomPoz = Math.floor(Math.random() * library.length);
        key += library.substring(randomPoz, randomPoz + 1);
    }
    return key
}


export {
    decryptAES,
    encryptAES,
    createAESKey
}

import {
    decryptAES,
    encryptAES,
    createAESKey
} from './CryptoJS.js'

//獲取key
const 鑰匙 = createAESKey()
const 賬號(hào) = '我是老6'

const 加密 = encryptAES(賬號(hào), 鑰匙)
const 比對(duì) = decryptAES(加密, 鑰匙)

console.log(加密)
console.log(比對(duì))

import JSEncrypt from 'jsencrypt'  // 引入jsencrypt庫(kù)  RSA 加、解密

/**
 * RSA 加、解密
 * @param {String,default:'getkey',value:'encrypt 加密|decrypt 解密 | getkey 獲取公私鑰'} type 加解密類型 
 * @param {String} txt 加解密字符
 * @param {String} key 密鑰
 * @returns {String} 返回加解密字符
 */
const rsa = (type = 'getkey', txt, key) => {
    const jsencrypt = new JSEncrypt()
    let resData = null

    // 加密
    if (type === 'encrypt') {
        jsencrypt.setPublicKey(key)
        resData = jsencrypt.encrypt(txt)
        // 獲取公私key
    } else if (type === 'getkey') {

        const prikey = jsencrypt.getPrivateKey()
        const pubkey = jsencrypt.getPublicKey()
        resData = {
            prikey,
            pubkey
        }

        // 解密
    } else {
        jsencrypt.setPrivateKey(key)
        resData = jsencrypt.decrypt(txt)
    }

    return resData
}

export default rsa 

import rsa from '. jsencrypt.js'

// 公、私鑰
const { prikey, pubkey } = rsa()

const 密碼 = '我是老6'
const 加密 = rsa('encrypt', 密碼, pubkey)
const 解密 = rsa('decrypt', 加密, prikey)

console.log(加密)
console.log(解密)

import NodeRSA from "node-rsa"

/**
 * 后端node獲取公、私鑰
 * keySize {Number} 生成私鑰、密鑰大小，與jsencrypt保持一致，默認(rèn)1024
 * @returns {Object} { pubkey,prikey} pubkey 公鑰 | prikey私鑰
 */

const nodeGetKey = (keySize = 1024) => {
    const nodeKey = new NodeRSA({ b: keySize  })
    const pubkey = nodeKey.exportKey('public')
    const prikey = nodeKey.exportKey('private')

    return {
        pubkey,
        prikey
    }
}

/**
 * 后端node加密
 * @param {String} txt 加密的文本
 * @param {String} pubkey 公鑰
 * @returns {String} 返回加密的文本
 */
const nodeEncrypt = (txt, pubkey) => {
    const nodeKey = new NodeRSA(pubkey)
    nodeKey.setOptions({ encryptionScheme: 'pkcs1' })// 因?yàn)閖sencrypt自身使用的是pkcs1加密方案, nodejs需要修改成pkcs1。
    const encrypted = nodeKey.encrypt(txt, 'base64')

    return encrypted
}

/**
 * 后端node解密
 * @param {String} hash 加密的文本
 * @param {String} prikey 私鑰
 * @returns 
 */
const nodeDecrypt = (hash, prikey) => {
    const nodeKey = new NodeRSA(prikey)
    nodeKey.setOptions({ encryptionScheme: 'pkcs1' }) // 因?yàn)閖sencrypt自身使用的是pkcs1加密方案, nodejs需要修改成pkcs1。
    const decrypted = nodeKey.decrypt(hash, 'utf8')

    return decrypted

}

export {
    nodeDecrypt,
    nodeGetKey,
    nodeEncrypt
}