JavaScript加密算法_常见加密方法

const str = "Hello, world!";

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const encoded = btoa(str); // 编码

const decoded = atob(encoded); // 解码

console.log(encoded); // SGVsbG8sIHdvcmxkIQ==

import md5 from 'crypto-js/md5';

const hash = md5("message");

console.log(hash.toString()); // 78e731027d8fd50ed642340b7c9a63b3

import sha256 from 'crypto-js/sha256';

const hash = sha256("hello");

console.log(hash.toString());

async function sha256Message(message) {

  const msgUint8 = new TextEncoder().encode(message);

  const hashBuffer = await crypto.subtle.digest('SHA-256', msgUint8);

  const hashArray = Array.from(new Uint8Array(hashBuffer));

  return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');

}

sha256Message("hello").then(console.log);

import AES from 'crypto-js/aes';

const encrypted = AES.encrypt('My secret message', 'my-key'); // 密钥为字符串

const decrypted = AES.decrypt(encrypted, 'my-key');

console.log(decrypted.toString(CryptoJS.enc.Utf8)); // 输出原文

import { JSEncrypt } from 'jsencrypt';

const encryptor = new JSEncrypt();

encryptor.setPublicKey(`-----BEGIN PUBLIC KEY-----...`);

const encrypted = encryptor.encrypt("secret data");

crypto.subtle.generateKey(

  { name: "AES-GCM", length: 256 },

  true,

  ["encrypt", "decrypt"]

)