nodejs和java加解密
阿新 • • 發佈：2019-08-18
一、首先安裝node.js
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mac 安裝完
mode -v 檢視安裝是否成功 touch hello-word.js 找個目錄建立js vi hello-word.js 開啟js 按i編輯js1.hello-word.js內容
const http = require('http'); const hostname = '127.0.0.1'; const port = 3000; const server = http.createServer((req, res) => { cipher.write('some clear text data'); cipher.end(); res.statusCode = 200; res.setHeader('Content-Type', 'text/plain'); res.end('Hello, World!\n'); }); server.listen(port, hostname, () => { console.log(`伺服器執行在 http://${hostname}:${port}/`); }); //1.----------------sha256---------------- // const crypto = require('crypto'); // const secret = 'ndE2jdZNFixH9G6Aidsfyf7lYT3PxW'; // const hash = crypto.createHmac('sha256', secret) // .update('I love 額外若翁') // .digest('hex'); // console.log(hash); //2.----------------aes192---------------- const crypto = require('crypto'); /** * aes加密 * @param data * @param secretKey */ function aesEncrypt(data, key) { const cipher = crypto.createCipher('aes-128-ecb', key); var crypted = cipher.update(data, 'utf8', 'hex'); crypted += cipher.final('hex'); return crypted; } /** * aes解密 * @param data * @param secretKey * @returns {*} */ function aesDecrypt(encrypted, key) { const decipher = crypto.createDecipher('aes-128-ecb', key); var decrypted = decipher.update(encrypted, 'hex', 'utf8'); decrypted += decipher.final('utf8'); return decrypted; } var data = 'Hello, this is a secret message!'; var key = 'Password!'; var encrypted = aesEncrypt(data, key); var decrypted = aesDecrypt(encrypted, key); console.log('Plain text: ' + data); console.log('Encrypted text: ' + encrypted); console.log('Decrypted text: ' + decrypted); //--------------------------------按esc 按: wq; 儲存退出 node hello-word.js 執行js檔案列印ip埠可加解密資料成功 -
java
package com.util; /** * description: sha256_HMAC * QQ: 905845006 */ import javax.crypto.Mac; import javax.crypto.spec.SecretKeySpec; public class HMACSHA256 { // SECRET KEY private final static String secret_key = "ndE2jdZNFixH9G6Aidsfyf7lYT3PxW"; /** * 將加密後的位元組陣列轉換成字串 * * @param b 位元組陣列 * @return 字串 */ private static String byteArrayToHexString(byte[] b) { StringBuilder hs = new StringBuilder(); String stmp; for (int n = 0; b!=null && n < b.length; n++) { stmp = Integer.toHexString(b[n] & 0XFF); if (stmp.length() == 1) hs.append('0'); hs.append(stmp); } return hs.toString().toLowerCase(); } /** * sha256_HMAC加密 * @param message 訊息 * @param secret 祕鑰 * @return 加密後字串 */ private static String sha256_HMAC(String message, String secret) { String hash = ""; try { Mac sha256_HMAC = Mac.getInstance("HmacSHA256"); SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(), "HmacSHA256"); sha256_HMAC.init(secret_key); byte[] bytes = sha256_HMAC.doFinal(message.getBytes()); hash = byteArrayToHexString(bytes); System.out.println(hash); } catch (Exception e) { System.out.println("Error HmacSHA256 ===========" + e.getMessage()); } return hash; } public static void main(String[] args) { String message ="I love 額外若翁"; sha256_HMAC(message, secret_key); } }package com.springboot.util; /** * description: AES * * QQ: 905845006 */ import java.security.MessageDigest; import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; /** * AES加密，與Nodejs 保持一致 * @author lmiky * @date 2014-2-25 */ public class AESForNodejs { public static final String DEFAULT_CODING = "utf-8"; /** * 解密 * @author lmiky * @date 2014-2-25 * @param encrypted * @param seed * @return * @throws Exception */ private static String decrypt(String encrypted, String seed) throws Exception { byte[] keyb = seed.getBytes(DEFAULT_CODING); MessageDigest md = MessageDigest.getInstance("MD5"); byte[] thedigest = md.digest(keyb); SecretKeySpec skey = new SecretKeySpec(thedigest, "AES"); Cipher dcipher = Cipher.getInstance("AES"); dcipher.init(Cipher.DECRYPT_MODE, skey); byte[] clearbyte = dcipher.doFinal(toByte(encrypted)); return new String(clearbyte); } /** * 加密 * @author lmiky * @date 2014-2-25 * @param content * @param key * @return * @throws Exception */ public static String encrypt(String content, String key) throws Exception { byte[] input = content.getBytes(DEFAULT_CODING); MessageDigest md = MessageDigest.getInstance("MD5"); byte[] thedigest = md.digest(key.getBytes(DEFAULT_CODING)); SecretKeySpec skc = new SecretKeySpec(thedigest, "AES"); // 演算法/模式/補碼方式 Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, skc); byte[] cipherText = new byte[cipher.getOutputSize(input.length)]; int ctLength = cipher.update(input, 0, input.length, cipherText, 0); ctLength += cipher.doFinal(cipherText, ctLength); return parseByte2HexStr(cipherText); } /** * 字串轉位元組陣列 * @author lmiky * @date 2014-2-25 * @param hexString * @return */ private static byte[] toByte(String hexString) { int len = hexString.length() / 2; byte[] result = new byte[len]; for (int i = 0; i < len; i++) { result[i] = Integer.valueOf(hexString.substring(2 * i, 2 * i + 2), 16).byteValue(); } return result; } /** * 位元組轉16進位制陣列 * @author lmiky * @date 2014-2-25 * @param buf * @return */ private static String parseByte2HexStr(byte buf[]) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < buf.length; i++) { String hex = Integer.toHexString(buf[i] & 0xFF); if (hex.length() == 1) { hex = '0' + hex; } sb.append(hex); } return sb.toString(); } public static void main(String[] args) throws Exception { System.out.println(AESForNodejs.encrypt("Hello, this is a secret message!", "Password!")); System.out.println(AESForNodejs.decrypt("f4a829a62a6e9e22a195bd3daeef2e00a87a6051dd32315b1bf912c58ca5fbbb9c2b4aa4d3fd2d319ea0f032a3b478b5", "Password!")); } }