Enhance performance with MD5

Author: canmingir

package-lock.json

@@ -20,7 +20,9 @@
     "eslint": "^8.12.0",
     "eslint-config-prettier": "^8.5.0",
     "mocha": "^9.2.2",
-    "prettier": "^2.6.2",
+    "prettier": "^2.6.2"
+  },
+  "dependencies": {
     "uuid": "^9.0.0"
   }
 }

package.json

@@ -2,14 +2,14 @@ const crypto = require("crypto");
 const options = require("../options");
 
 function decrypt(key, hash) {
-  const { salt, algorithm } = options();
-  const buffer = crypto.scryptSync(key, salt, 32);
+  const { algorithm } = options();
   const parts = hash.split(":");
   const iv = Buffer.from(parts.shift(), "hex");
   const en = Buffer.from(parts.join(":"), "hex");
+
   const decipher = crypto.createDecipheriv(
     algorithm,
-    Buffer.from(buffer, "hex"),
+    crypto.createHash("md5").update(key).digest("hex"),
     iv
   );
 

src/libs/decrypt.js

@@ -2,13 +2,12 @@ const crypto = require("crypto");
 const options = require("../options");
 
 function encrypt(key, data) {
-  const { salt, algorithm } = options();
-  const buffer = crypto.scryptSync(key, salt, 32);
-
+  const { algorithm } = options();
   const iv = crypto.randomBytes(16);
+
   const cipher = crypto.createCipheriv(
     algorithm,
-    Buffer.from(buffer, "hex"),
+    crypto.createHash("md5").update(key).digest("hex"),
     iv
   );
 

src/libs/encrypt.js

@@ -2,8 +2,7 @@ const uuid = require("uuid").v4;
 const home = require("os").homedir();
 
 let _options = {
-  key: "0c3Yc2KDj0rQWq9aJEnOGNzsNb4IrHPq",
-  salt: "UqD4yJPYL5gkbJZsahPJItNiQYNoiN20",
+  key: "EOsDDQ1zovGCl0iTZUxRmrks1GM86jRX",
   algorithm: "aes-256-ctr",
 };