diff --git a/zefie_wtvp_minisrv/includes/classes/WTVSec.js b/zefie_wtvp_minisrv/includes/classes/WTVSec.js
index 265bcfed..75be545d 100644
--- a/zefie_wtvp_minisrv/includes/classes/WTVSec.js
+++ b/zefie_wtvp_minisrv/includes/classes/WTVSec.js
@@ -1,5 +1,6 @@
 const CryptoJS = require('crypto-js');
 const endianness = require('endianness');
+var RC4 = require('rc4-crypto');
 var crypto = require('crypto');
 
 /**
@@ -296,7 +297,7 @@ class WTVSec {
 
     /**
      * Starts an encryption session
-     * @param {Number} rc4session Session Type (0 = enc k1, 1 = dec k1, 3 = enc k2, 4 = dec k2, default: all)
+     * @param {Number} rc4session Session Type (0 = enc k1, 1 = dec k1, 2 = enc k2, 3 = dec k2, default: all)
      * 
      */
     SecureOn(rc4session = null) {
@@ -310,22 +311,22 @@ class WTVSec {
         var key2 = this.wordArrayToBuffer(this.hRC4_Key2);
         switch (rc4session) {
             case 0:
-                this.RC4Session[0] = crypto.createCipheriv('rc4', key1,'');
+                this.RC4Session[0] = new RC4.RC4(key1);
                 break;
             case 1:
-                this.RC4Session[1] = crypto.createDecipheriv('rc4', key1,'');
+                this.RC4Session[1] = new RC4.RC4(key1);
                 break;
             case 2:
-                this.RC4Session[2] = crypto.createCipheriv('rc4', key2,'');
+                this.RC4Session[2] = new RC4.RC4(key2);
                 break;
             case 3:
-                this.RC4Session[3] = crypto.createDecipheriv('rc4', key2,'');
+                this.RC4Session[3] = new RC4.RC4(key2);
                 break;
             default:
-                this.RC4Session[0] = crypto.createCipheriv('rc4', key1, '');
-                this.RC4Session[1] = crypto.createDecipheriv('rc4', key1, '');
-                this.RC4Session[2] = crypto.createCipheriv('rc4', key2, '');
-                this.RC4Session[3] = crypto.createDecipheriv('rc4', key2, '');
+                this.RC4Session[0] = new RC4.RC4(key1);
+                this.RC4Session[1] = new RC4.RC4(key1);
+                this.RC4Session[2] = new RC4.RC4(key2);
+                this.RC4Session[3] = new RC4.RC4(key2);
                 break;
         }
     }
@@ -355,10 +356,10 @@ class WTVSec {
         }
         if (data.words) {
             data = this.wordArrayToBuffer(data);
-        } else if (data.constructor === ArrayBuffer) {
+        } else if (data.constructor === ArrayBuffer || typeof data == 'string') {
             data = new Buffer.from(data);
         }
-        return this.RC4Session[session_id].update(data);
+        return this.RC4Session[session_id].updateFromBuffer(data);
     }
 
     /**
@@ -386,10 +387,10 @@ class WTVSec {
         }
         if (data.words) {
             data = this.wordArrayToBuffer(data);
-        } else if (data.constructor === ArrayBuffer) {
+        } else if (data.constructor === ArrayBuffer || typeof data == 'string') {
             data = new Buffer.from(data);
         }
-        return this.RC4Session[session_id].update(data);
+        return this.RC4Session[session_id].updateFromBuffer(data);
     }
 }
 
diff --git a/zefie_wtvp_minisrv/package-lock.json b/zefie_wtvp_minisrv/package-lock.json
index 1e3f4794..822dbd57 100644
--- a/zefie_wtvp_minisrv/package-lock.json
+++ b/zefie_wtvp_minisrv/package-lock.json
@@ -22,6 +22,7 @@
         "newsie": "^1.2.1",
         "nntp-server-zefie": "^3.1.0",
         "proxy-agent": "^6.3.0",
+        "rc4-crypto": "^1.5.0",
         "sanitize-html": "^2.11.0",
         "socks-proxy-agent": "^8.0.1",
         "strftime": "^0.10.2",
@@ -1155,6 +1156,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/rc4-crypto": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/rc4-crypto/-/rc4-crypto-1.5.0.tgz",
+      "integrity": "sha512-0auP5EfZ21/RP437NgmH+eCTgwDGA611KYCU/2ywk1aIUhR1rHToI4z3ZtQ9BRZYw44M9htklIZK5khkBJerAw=="
+    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
diff --git a/zefie_wtvp_minisrv/package.json b/zefie_wtvp_minisrv/package.json
index 3910763a..f37b660c 100644
--- a/zefie_wtvp_minisrv/package.json
+++ b/zefie_wtvp_minisrv/package.json
@@ -6,8 +6,7 @@
   "homepage": "https://github.com/zefie/zefie_wtvp_minisrv",
   "license": "GPL3",
   "scripts": {
-    "start": "node --openssl-legacy-provider app.js",
-    "start16": "node app.js",
+    "start": "node app.js",
     "test": "node test.js"
   },
   "author": {
@@ -40,6 +39,7 @@
     "newsie": "^1.2.1",
     "nntp-server-zefie": "^3.1.0",
     "proxy-agent": "^6.3.0",
+    "rc4-crypto": "^1.5.0",
     "sanitize-html": "^2.11.0",
     "socks-proxy-agent": "^8.0.1",
     "strftime": "^0.10.2",