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前端歌谣-第伍拾叁课-node之http模块之crypto模块


前言

我是歌谣 微信公众号关注前端小歌谣一起学习前端知识 今天继续给大家讲解node中crypto模块的讲解

案例

const crypto=require("crypto")

const hash=crypto.createHash("md5")

hash.update("hello geyao")

console.log(hash.digest("hex"))

运算结果

前端歌谣-第伍拾叁课-node之http模块之crypto模块_网络协议

案例1

const crypto=require("crypto")

function encrypt(key,iv,data){
    let dep=crypto.createCipheriv("aes-128-cbc",key,iv)
    return dep.update(data,'binary','hex')+dep.final("hex")
}

let key="abcdef1234567890"
let iv="txlbvc1234567890"
let data="geyao"
let cryted=encrypt(key,iv,data)
console.log(cryted)

运行结果

前端歌谣-第伍拾叁课-node之http模块之crypto模块_前端_02

解密

const crypto=require("crypto")

function encrypt(key,iv,data){
    let dep=crypto.createCipheriv("aes-128-cbc",key,iv)
    return dep.update(data,'binary','hex')+dep.final("hex")
}

function decrypt(key,iv,crypted){
    crypted=Buffer.from(crypted,"hex").toString("binary")
    let dep=crypto.createDecipheriv("aes-128-cbc",key,iv)
    return dep.update(crypted,"binary","utf8")+dep.final("utf8")

}

let key="abcdef1234567890"
let iv="txlbvc1234567890"
let data="geyao"
let cryted=encrypt(key,iv,data)
console.log(cryted)

let decrypted=decrypt(key,iv,cryted)
console.log(decrypted)

运行结果

前端歌谣-第伍拾叁课-node之http模块之crypto模块_前端知识_03


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