fix port binding

prudplite/src/crypto/insecure.rs

@@ -0,0 +1,14 @@
+use rnex_core::PID;
+
+use crate::crypto::Crypto;
+
+pub struct Insecure;
+
+impl Crypto for Insecure {
+    fn new_connection(&self, data: &[u8]) -> Option<(PID, Vec<u8>)> {
+        Some((100, vec![]))
+    }
+    fn new() -> Self {
+        Self
+    }
+}

prudplite/src/crypto/mod.rs

@@ -0,0 +1,9 @@
+use rnex_core::PID;
+
+pub mod insecure;
+pub mod secure;
+
+pub trait Crypto: 'static + Send + Sync {
+    fn new_connection(&self, data: &[u8]) -> Option<(PID, Vec<u8>)>;
+    fn new() -> Self;
+}

prudplite/src/crypto/secure.rs

@@ -0,0 +1,27 @@
+use rnex_core::{
+    PID, executables::common::SECURE_SERVER_ACCOUNT, nex::account::Account,
+    prudp::ticket::read_secure_connection_data, rmc::structures::RmcSerialize,
+};
+
+use crate::crypto::Crypto;
+
+pub struct Secure(&'static Account);
+
+impl Crypto for Secure {
+    fn new_connection(&self, data: &[u8]) -> Option<(PID, Vec<u8>)> {
+        let (_, pid, check_value) = read_secure_connection_data(data, &self.0)?;
+
+        let check_value_response = check_value + 1;
+
+        let data = bytemuck::bytes_of(&check_value_response);
+
+        let mut response = Vec::new();
+
+        data.serialize(&mut response).ok()?;
+
+        Some((pid, response))
+    }
+    fn new() -> Self {
+        Self(&SECURE_SERVER_ACCOUNT)
+    }
+}