first commit

services/EncryptDecryptService.js

@@ -0,0 +1,15 @@
+const crypto = require('crypto');
+
+module.exports = {
+  iv: crypto.randomBytes(16).toString('hex').slice(0, 16),
+  encrypt: function (message, secret) {
+    const encrypter = crypto.createCipheriv('aes-256-cbc', secret, this.iv);
+    let encryptMessage = encrypter.update(message, 'utf-8', 'hex');
+    return (encryptMessage += encrypter.final('hex'));
+  },
+  decrypt: function (encryptMessage, secret) {
+    const decrypter = crypto.createDecipheriv('aes-256-cbc', secret, this.iv);
+    let decryptedMessage = decrypter.update(encryptMessage, 'hex', 'utf8');
+    return (decryptedMessage += decrypter.final('utf8'));
+  },
+};